1 | #!/usr/bin/env python |
---|
2 | |
---|
3 | import unittest |
---|
4 | from math import sqrt, pi |
---|
5 | import tempfile |
---|
6 | |
---|
7 | from quantity import * |
---|
8 | from anuga.config import epsilon |
---|
9 | from Numeric import allclose, array, ones, Float |
---|
10 | |
---|
11 | from anuga.fit_interpolate.fit import fit_to_mesh |
---|
12 | #from anuga.pyvolution.least_squares import fit_to_mesh |
---|
13 | from domain import Domain |
---|
14 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
---|
15 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
---|
16 | from anuga.utilities.polygon import * |
---|
17 | |
---|
18 | #Aux for fit_interpolate.fit example |
---|
19 | def linear_function(point): |
---|
20 | point = array(point) |
---|
21 | return point[:,0]+point[:,1] |
---|
22 | |
---|
23 | |
---|
24 | class Test_Quantity(unittest.TestCase): |
---|
25 | def setUp(self): |
---|
26 | from domain import Domain |
---|
27 | |
---|
28 | a = [0.0, 0.0] |
---|
29 | b = [0.0, 2.0] |
---|
30 | c = [2.0, 0.0] |
---|
31 | d = [0.0, 4.0] |
---|
32 | e = [2.0, 2.0] |
---|
33 | f = [4.0, 0.0] |
---|
34 | |
---|
35 | points = [a, b, c, d, e, f] |
---|
36 | |
---|
37 | #bac, bce, ecf, dbe |
---|
38 | elements = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
39 | |
---|
40 | self.mesh1 = Domain(points[:3], [elements[0]]) |
---|
41 | self.mesh1.check_integrity() |
---|
42 | |
---|
43 | self.mesh4 = Domain(points, elements) |
---|
44 | self.mesh4.check_integrity() |
---|
45 | |
---|
46 | # UTM round Onslow |
---|
47 | a = [240000, 7620000] |
---|
48 | b = [240000, 7680000] |
---|
49 | c = [300000, 7620000] |
---|
50 | |
---|
51 | points = [a, b, c] |
---|
52 | elements = [[0,2,1]] |
---|
53 | |
---|
54 | self.mesh_onslow = Domain(points, elements) |
---|
55 | self.mesh_onslow.check_integrity() |
---|
56 | |
---|
57 | def tearDown(self): |
---|
58 | pass |
---|
59 | #print " Tearing down" |
---|
60 | |
---|
61 | |
---|
62 | def test_creation(self): |
---|
63 | |
---|
64 | quantity = Quantity(self.mesh1, [[1,2,3]]) |
---|
65 | assert allclose(quantity.vertex_values, [[1.,2.,3.]]) |
---|
66 | |
---|
67 | try: |
---|
68 | quantity = Quantity() |
---|
69 | except: |
---|
70 | pass |
---|
71 | else: |
---|
72 | raise 'Should have raised empty quantity exception' |
---|
73 | |
---|
74 | |
---|
75 | try: |
---|
76 | quantity = Quantity([1,2,3]) |
---|
77 | except AssertionError: |
---|
78 | pass |
---|
79 | except: |
---|
80 | raise 'Should have raised "mising mesh object" error' |
---|
81 | |
---|
82 | |
---|
83 | def test_creation_zeros(self): |
---|
84 | |
---|
85 | quantity = Quantity(self.mesh1) |
---|
86 | assert allclose(quantity.vertex_values, [[0.,0.,0.]]) |
---|
87 | |
---|
88 | |
---|
89 | quantity = Quantity(self.mesh4) |
---|
90 | assert allclose(quantity.vertex_values, [[0.,0.,0.], [0.,0.,0.], |
---|
91 | [0.,0.,0.], [0.,0.,0.]]) |
---|
92 | |
---|
93 | |
---|
94 | def test_interpolation(self): |
---|
95 | quantity = Quantity(self.mesh1, [[1,2,3]]) |
---|
96 | assert allclose(quantity.centroid_values, [2.0]) #Centroid |
---|
97 | |
---|
98 | assert allclose(quantity.edge_values, [[2.5, 2.0, 1.5]]) |
---|
99 | |
---|
100 | |
---|
101 | def test_interpolation2(self): |
---|
102 | quantity = Quantity(self.mesh4, |
---|
103 | [[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
104 | assert allclose(quantity.centroid_values, [2., 5., 3., 0.]) #Centroid |
---|
105 | |
---|
106 | |
---|
107 | quantity.extrapolate_second_order() |
---|
108 | |
---|
109 | #print quantity.vertex_values |
---|
110 | assert allclose(quantity.vertex_values, [[3.5, -1.0, 3.5], |
---|
111 | [3.+2./3, 6.+2./3, 4.+2./3], |
---|
112 | [4.6, 3.4, 1.], |
---|
113 | [-5.0, 1.0, 4.0]]) |
---|
114 | |
---|
115 | #print quantity.edge_values |
---|
116 | assert allclose(quantity.edge_values, [[1.25, 3.5, 1.25], |
---|
117 | [5. + 2/3.0, 4.0 + 1.0/6, 5.0 + 1.0/6], |
---|
118 | [2.2, 2.8, 4.0], |
---|
119 | [2.5, -0.5, -2.0]]) |
---|
120 | |
---|
121 | |
---|
122 | #assert allclose(quantity.edge_values, [[2.5, 2.0, 1.5], |
---|
123 | # [5., 5., 5.], |
---|
124 | # [4.5, 4.5, 0.], |
---|
125 | # [3.0, -1.5, -1.5]]) |
---|
126 | |
---|
127 | def test_get_extrema_1(self): |
---|
128 | quantity = Quantity(self.mesh4, |
---|
129 | [[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
130 | assert allclose(quantity.centroid_values, [2., 5., 3., 0.]) #Centroids |
---|
131 | |
---|
132 | v = quantity.get_maximum_value() |
---|
133 | assert v == 5 |
---|
134 | |
---|
135 | v = quantity.get_minimum_value() |
---|
136 | assert v == 0 |
---|
137 | |
---|
138 | i = quantity.get_maximum_index() |
---|
139 | assert i == 1 |
---|
140 | |
---|
141 | i = quantity.get_minimum_index() |
---|
142 | assert i == 3 |
---|
143 | |
---|
144 | x,y = quantity.get_maximum_location() |
---|
145 | xref, yref = 4.0/3, 4.0/3 |
---|
146 | assert x == xref |
---|
147 | assert y == yref |
---|
148 | |
---|
149 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
150 | assert allclose(v, 5) |
---|
151 | |
---|
152 | |
---|
153 | x,y = quantity.get_minimum_location() |
---|
154 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
155 | assert allclose(v, 0) |
---|
156 | |
---|
157 | |
---|
158 | def test_get_maximum_2(self): |
---|
159 | |
---|
160 | a = [0.0, 0.0] |
---|
161 | b = [0.0, 2.0] |
---|
162 | c = [2.0,0.0] |
---|
163 | d = [0.0, 4.0] |
---|
164 | e = [2.0, 2.0] |
---|
165 | f = [4.0,0.0] |
---|
166 | |
---|
167 | points = [a, b, c, d, e, f] |
---|
168 | #bac, bce, ecf, dbe |
---|
169 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
170 | |
---|
171 | domain = Domain(points, vertices) |
---|
172 | |
---|
173 | quantity = Quantity(domain) |
---|
174 | quantity.set_values(lambda x, y: x+2*y) #2 4 4 6 |
---|
175 | |
---|
176 | v = quantity.get_maximum_value() |
---|
177 | assert v == 6 |
---|
178 | |
---|
179 | v = quantity.get_minimum_value() |
---|
180 | assert v == 2 |
---|
181 | |
---|
182 | i = quantity.get_maximum_index() |
---|
183 | assert i == 3 |
---|
184 | |
---|
185 | i = quantity.get_minimum_index() |
---|
186 | assert i == 0 |
---|
187 | |
---|
188 | x,y = quantity.get_maximum_location() |
---|
189 | xref, yref = 2.0/3, 8.0/3 |
---|
190 | assert x == xref |
---|
191 | assert y == yref |
---|
192 | |
---|
193 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
194 | assert allclose(v, 6) |
---|
195 | |
---|
196 | x,y = quantity.get_minimum_location() |
---|
197 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
198 | assert allclose(v, 2) |
---|
199 | |
---|
200 | #Multiple locations for maximum - |
---|
201 | #Test that the algorithm picks the first occurrence |
---|
202 | v = quantity.get_maximum_value(indices=[0,1,2]) |
---|
203 | assert allclose(v, 4) |
---|
204 | |
---|
205 | i = quantity.get_maximum_index(indices=[0,1,2]) |
---|
206 | assert i == 1 |
---|
207 | |
---|
208 | x,y = quantity.get_maximum_location(indices=[0,1,2]) |
---|
209 | xref, yref = 4.0/3, 4.0/3 |
---|
210 | assert x == xref |
---|
211 | assert y == yref |
---|
212 | |
---|
213 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
214 | assert allclose(v, 4) |
---|
215 | |
---|
216 | # More test of indices...... |
---|
217 | v = quantity.get_maximum_value(indices=[2,3]) |
---|
218 | assert allclose(v, 6) |
---|
219 | |
---|
220 | i = quantity.get_maximum_index(indices=[2,3]) |
---|
221 | assert i == 3 |
---|
222 | |
---|
223 | x,y = quantity.get_maximum_location(indices=[2,3]) |
---|
224 | xref, yref = 2.0/3, 8.0/3 |
---|
225 | assert x == xref |
---|
226 | assert y == yref |
---|
227 | |
---|
228 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
229 | assert allclose(v, 6) |
---|
230 | |
---|
231 | |
---|
232 | |
---|
233 | def test_boundary_allocation(self): |
---|
234 | quantity = Quantity(self.mesh4, |
---|
235 | [[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
236 | |
---|
237 | assert quantity.boundary_values.shape[0] == len(self.mesh4.boundary) |
---|
238 | |
---|
239 | |
---|
240 | def test_set_values(self): |
---|
241 | quantity = Quantity(self.mesh4) |
---|
242 | |
---|
243 | |
---|
244 | quantity.set_values([[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]], |
---|
245 | location = 'vertices') |
---|
246 | assert allclose(quantity.vertex_values, |
---|
247 | [[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
248 | assert allclose(quantity.centroid_values, [2., 5., 3., 0.]) #Centroid |
---|
249 | assert allclose(quantity.edge_values, [[2.5, 2.0, 1.5], |
---|
250 | [5., 5., 5.], |
---|
251 | [4.5, 4.5, 0.], |
---|
252 | [3.0, -1.5, -1.5]]) |
---|
253 | |
---|
254 | |
---|
255 | # Test default |
---|
256 | quantity.set_values([[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
257 | assert allclose(quantity.vertex_values, |
---|
258 | [[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]]) |
---|
259 | assert allclose(quantity.centroid_values, [2., 5., 3., 0.]) #Centroid |
---|
260 | assert allclose(quantity.edge_values, [[2.5, 2.0, 1.5], |
---|
261 | [5., 5., 5.], |
---|
262 | [4.5, 4.5, 0.], |
---|
263 | [3.0, -1.5, -1.5]]) |
---|
264 | |
---|
265 | # Test centroids |
---|
266 | quantity.set_values([1,2,3,4], location = 'centroids') |
---|
267 | assert allclose(quantity.centroid_values, [1., 2., 3., 4.]) #Centroid |
---|
268 | |
---|
269 | # Test exceptions |
---|
270 | try: |
---|
271 | quantity.set_values([[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]], |
---|
272 | location = 'bas kamel tuba') |
---|
273 | except: |
---|
274 | pass |
---|
275 | |
---|
276 | |
---|
277 | try: |
---|
278 | quantity.set_values([[1,2,3], [0,0,9]]) |
---|
279 | except AssertionError: |
---|
280 | pass |
---|
281 | except: |
---|
282 | raise 'should have raised Assertionerror' |
---|
283 | |
---|
284 | |
---|
285 | |
---|
286 | def test_set_values_const(self): |
---|
287 | quantity = Quantity(self.mesh4) |
---|
288 | |
---|
289 | quantity.set_values(1.0, location = 'vertices') |
---|
290 | assert allclose(quantity.vertex_values, |
---|
291 | [[1,1,1], [1,1,1], [1,1,1], [1, 1, 1]]) |
---|
292 | |
---|
293 | assert allclose(quantity.centroid_values, [1, 1, 1, 1]) #Centroid |
---|
294 | assert allclose(quantity.edge_values, [[1, 1, 1], |
---|
295 | [1, 1, 1], |
---|
296 | [1, 1, 1], |
---|
297 | [1, 1, 1]]) |
---|
298 | |
---|
299 | |
---|
300 | quantity.set_values(2.0, location = 'centroids') |
---|
301 | assert allclose(quantity.centroid_values, [2, 2, 2, 2]) |
---|
302 | |
---|
303 | |
---|
304 | def test_set_values_func(self): |
---|
305 | quantity = Quantity(self.mesh4) |
---|
306 | |
---|
307 | def f(x, y): |
---|
308 | return x+y |
---|
309 | |
---|
310 | quantity.set_values(f, location = 'vertices') |
---|
311 | #print "quantity.vertex_values",quantity.vertex_values |
---|
312 | assert allclose(quantity.vertex_values, |
---|
313 | [[2,0,2], [2,2,4], [4,2,4], [4,2,4]]) |
---|
314 | assert allclose(quantity.centroid_values, |
---|
315 | [4.0/3, 8.0/3, 10.0/3, 10.0/3]) |
---|
316 | assert allclose(quantity.edge_values, |
---|
317 | [[1,2,1], [3,3,2], [3,4,3], [3,4,3]]) |
---|
318 | |
---|
319 | |
---|
320 | quantity.set_values(f, location = 'centroids') |
---|
321 | assert allclose(quantity.centroid_values, |
---|
322 | [4.0/3, 8.0/3, 10.0/3, 10.0/3]) |
---|
323 | |
---|
324 | |
---|
325 | def test_integral(self): |
---|
326 | quantity = Quantity(self.mesh4) |
---|
327 | |
---|
328 | #Try constants first |
---|
329 | const = 5 |
---|
330 | quantity.set_values(const, location = 'vertices') |
---|
331 | #print 'Q', quantity.get_integral() |
---|
332 | |
---|
333 | assert allclose(quantity.get_integral(), self.mesh4.get_area() * const) |
---|
334 | |
---|
335 | #Try with a linear function |
---|
336 | def f(x, y): |
---|
337 | return x+y |
---|
338 | |
---|
339 | quantity.set_values(f, location = 'vertices') |
---|
340 | |
---|
341 | |
---|
342 | ref_integral = (4.0/3 + 8.0/3 + 10.0/3 + 10.0/3) * 2 |
---|
343 | |
---|
344 | assert allclose (quantity.get_integral(), ref_integral) |
---|
345 | |
---|
346 | |
---|
347 | |
---|
348 | def test_set_vertex_values(self): |
---|
349 | quantity = Quantity(self.mesh4) |
---|
350 | quantity.set_vertex_values([0,1,2,3,4,5]) |
---|
351 | |
---|
352 | assert allclose(quantity.vertex_values, |
---|
353 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
354 | assert allclose(quantity.centroid_values, |
---|
355 | [1., 7./3, 11./3, 8./3]) #Centroid |
---|
356 | assert allclose(quantity.edge_values, [[1., 1.5, 0.5], |
---|
357 | [3., 2.5, 1.5], |
---|
358 | [3.5, 4.5, 3.], |
---|
359 | [2.5, 3.5, 2]]) |
---|
360 | |
---|
361 | |
---|
362 | def test_set_vertex_values_subset(self): |
---|
363 | quantity = Quantity(self.mesh4) |
---|
364 | quantity.set_vertex_values([0,1,2,3,4,5]) |
---|
365 | quantity.set_vertex_values([0,20,30,50], indices = [0,2,3,5]) |
---|
366 | |
---|
367 | assert allclose(quantity.vertex_values, |
---|
368 | [[1,0,20], [1,20,4], [4,20,50], [30,1,4]]) |
---|
369 | |
---|
370 | |
---|
371 | def test_set_vertex_values_using_general_interface(self): |
---|
372 | quantity = Quantity(self.mesh4) |
---|
373 | |
---|
374 | |
---|
375 | quantity.set_values([0,1,2,3,4,5]) |
---|
376 | |
---|
377 | |
---|
378 | assert allclose(quantity.vertex_values, |
---|
379 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
380 | |
---|
381 | #Centroid |
---|
382 | assert allclose(quantity.centroid_values, [1., 7./3, 11./3, 8./3]) |
---|
383 | |
---|
384 | assert allclose(quantity.edge_values, [[1., 1.5, 0.5], |
---|
385 | [3., 2.5, 1.5], |
---|
386 | [3.5, 4.5, 3.], |
---|
387 | [2.5, 3.5, 2]]) |
---|
388 | |
---|
389 | |
---|
390 | |
---|
391 | def test_set_vertex_values_using_general_interface_with_subset(self): |
---|
392 | """test_set_vertex_values_using_general_interface_with_subset(self): |
---|
393 | |
---|
394 | Test that indices and polygon works (for constants values) |
---|
395 | """ |
---|
396 | |
---|
397 | quantity = Quantity(self.mesh4) |
---|
398 | |
---|
399 | |
---|
400 | quantity.set_values([0,2,3,5], indices=[0,2,3,5]) |
---|
401 | assert allclose(quantity.vertex_values, |
---|
402 | [[0,0,2], [0,2,0], [0,2,5], [3,0,0]]) |
---|
403 | |
---|
404 | |
---|
405 | # Constant |
---|
406 | quantity.set_values(0.0) |
---|
407 | quantity.set_values(3.14, indices=[0,2], location='vertices') |
---|
408 | |
---|
409 | # Indices refer to triangle numbers |
---|
410 | assert allclose(quantity.vertex_values, |
---|
411 | [[3.14,3.14,3.14], [0,0,0], |
---|
412 | [3.14,3.14,3.14], [0,0,0]]) |
---|
413 | |
---|
414 | |
---|
415 | |
---|
416 | # Now try with polygon (pick points where y>2) |
---|
417 | polygon = [[0,2.1], [4,2.1], [4,7], [0,7]] |
---|
418 | quantity.set_values(0.0) |
---|
419 | quantity.set_values(3.14, polygon=polygon) |
---|
420 | |
---|
421 | assert allclose(quantity.vertex_values, |
---|
422 | [[0,0,0], [0,0,0], [0,0,0], |
---|
423 | [3.14,3.14,3.14]]) |
---|
424 | |
---|
425 | |
---|
426 | # Another polygon (pick triangle 1 and 2 (rightmost triangles) |
---|
427 | # using centroids |
---|
428 | polygon = [[2.1, 0.0], [3.5,0.1], [2,2.2], [0.2,2]] |
---|
429 | quantity.set_values(0.0) |
---|
430 | quantity.set_values(3.14, location='centroids', polygon=polygon) |
---|
431 | assert allclose(quantity.vertex_values, |
---|
432 | [[0,0,0], |
---|
433 | [3.14,3.14,3.14], |
---|
434 | [3.14,3.14,3.14], |
---|
435 | [0,0,0]]) |
---|
436 | |
---|
437 | |
---|
438 | # Same polygon now use vertices (default) |
---|
439 | polygon = [[2.1, 0.0], [3.5,0.1], [2,2.2], [0.2,2]] |
---|
440 | quantity.set_values(0.0) |
---|
441 | #print 'Here 2' |
---|
442 | quantity.set_values(3.14, polygon=polygon) |
---|
443 | assert allclose(quantity.vertex_values, |
---|
444 | [[0,0,0], |
---|
445 | [3.14,3.14,3.14], |
---|
446 | [3.14,3.14,3.14], |
---|
447 | [0,0,0]]) |
---|
448 | |
---|
449 | |
---|
450 | # Test input checking |
---|
451 | try: |
---|
452 | quantity.set_values(3.14, polygon=polygon, indices = [0,2]) |
---|
453 | except: |
---|
454 | pass |
---|
455 | else: |
---|
456 | msg = 'Should have caught this' |
---|
457 | raise msg |
---|
458 | |
---|
459 | |
---|
460 | |
---|
461 | |
---|
462 | |
---|
463 | def test_set_vertex_values_using_general_interface_subset_and_geo(self): |
---|
464 | """test_set_vertex_values_using_general_interface_with_subset(self): |
---|
465 | Test that indices and polygon works using georeferencing |
---|
466 | """ |
---|
467 | |
---|
468 | quantity = Quantity(self.mesh4) |
---|
469 | G = Geo_reference(56, 10, 100) |
---|
470 | quantity.domain.geo_reference = G |
---|
471 | |
---|
472 | #print quantity.domain.get_nodes(absolute=True) |
---|
473 | |
---|
474 | |
---|
475 | # Constant |
---|
476 | quantity.set_values(0.0) |
---|
477 | quantity.set_values(3.14, indices=[0,2], location='vertices') |
---|
478 | |
---|
479 | # Indices refer to triangle numbers here - not vertices (why?) |
---|
480 | assert allclose(quantity.vertex_values, |
---|
481 | [[3.14,3.14,3.14], [0,0,0], |
---|
482 | [3.14,3.14,3.14], [0,0,0]]) |
---|
483 | |
---|
484 | |
---|
485 | |
---|
486 | # Now try with polygon (pick points where y>2) |
---|
487 | polygon = array([[0,2.1], [4,2.1], [4,7], [0,7]]) |
---|
488 | polygon += [G.xllcorner, G.yllcorner] |
---|
489 | |
---|
490 | quantity.set_values(0.0) |
---|
491 | quantity.set_values(3.14, polygon=polygon, location='centroids') |
---|
492 | |
---|
493 | assert allclose(quantity.vertex_values, |
---|
494 | [[0,0,0], [0,0,0], [0,0,0], |
---|
495 | [3.14,3.14,3.14]]) |
---|
496 | |
---|
497 | |
---|
498 | # Another polygon (pick triangle 1 and 2 (rightmost triangles) |
---|
499 | polygon = array([[2.1, 0.0], [3.5,0.1], [2,2.2], [0.2,2]]) |
---|
500 | polygon += [G.xllcorner, G.yllcorner] |
---|
501 | |
---|
502 | quantity.set_values(0.0) |
---|
503 | quantity.set_values(3.14, polygon=polygon) |
---|
504 | |
---|
505 | assert allclose(quantity.vertex_values, |
---|
506 | [[0,0,0], |
---|
507 | [3.14,3.14,3.14], |
---|
508 | [3.14,3.14,3.14], |
---|
509 | [0,0,0]]) |
---|
510 | |
---|
511 | |
---|
512 | |
---|
513 | def test_set_values_using_fit(self): |
---|
514 | |
---|
515 | |
---|
516 | quantity = Quantity(self.mesh4) |
---|
517 | |
---|
518 | #Get (enough) datapoints |
---|
519 | data_points = [[ 0.66666667, 0.66666667], |
---|
520 | [ 1.33333333, 1.33333333], |
---|
521 | [ 2.66666667, 0.66666667], |
---|
522 | [ 0.66666667, 2.66666667], |
---|
523 | [ 0.0, 1.0], |
---|
524 | [ 0.0, 3.0], |
---|
525 | [ 1.0, 0.0], |
---|
526 | [ 1.0, 1.0], |
---|
527 | [ 1.0, 2.0], |
---|
528 | [ 1.0, 3.0], |
---|
529 | [ 2.0, 1.0], |
---|
530 | [ 3.0, 0.0], |
---|
531 | [ 3.0, 1.0]] |
---|
532 | |
---|
533 | z = linear_function(data_points) |
---|
534 | |
---|
535 | #Use built-in fit_interpolate.fit |
---|
536 | quantity.set_values( Geospatial_data(data_points, z), alpha = 0 ) |
---|
537 | #quantity.set_values(points = data_points, values = z, alpha = 0) |
---|
538 | |
---|
539 | |
---|
540 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
541 | #print quantity.vertex_values, answer |
---|
542 | assert allclose(quantity.vertex_values.flat, answer) |
---|
543 | |
---|
544 | |
---|
545 | #Now try by setting the same values directly |
---|
546 | vertex_attributes = fit_to_mesh(data_points, |
---|
547 | quantity.domain.get_nodes(), |
---|
548 | quantity.domain.triangles, #FIXME |
---|
549 | point_attributes=z, |
---|
550 | alpha = 0, |
---|
551 | verbose=False) |
---|
552 | |
---|
553 | #print vertex_attributes |
---|
554 | quantity.set_values(vertex_attributes) |
---|
555 | assert allclose(quantity.vertex_values.flat, answer) |
---|
556 | |
---|
557 | |
---|
558 | |
---|
559 | |
---|
560 | |
---|
561 | def test_test_set_values_using_fit_w_geo(self): |
---|
562 | |
---|
563 | |
---|
564 | #Mesh |
---|
565 | vertex_coordinates = [[0.76, 0.76], |
---|
566 | [0.76, 5.76], |
---|
567 | [5.76, 0.76]] |
---|
568 | triangles = [[0,2,1]] |
---|
569 | |
---|
570 | mesh_georef = Geo_reference(56,-0.76,-0.76) |
---|
571 | mesh1 = Domain(vertex_coordinates, triangles, |
---|
572 | geo_reference = mesh_georef) |
---|
573 | mesh1.check_integrity() |
---|
574 | |
---|
575 | #Quantity |
---|
576 | quantity = Quantity(mesh1) |
---|
577 | |
---|
578 | #Data |
---|
579 | data_points = [[ 201.0, 401.0], |
---|
580 | [ 201.0, 403.0], |
---|
581 | [ 203.0, 401.0]] |
---|
582 | |
---|
583 | z = [2, 4, 4] |
---|
584 | |
---|
585 | data_georef = Geo_reference(56,-200,-400) |
---|
586 | |
---|
587 | |
---|
588 | #Reference |
---|
589 | ref = fit_to_mesh(data_points, vertex_coordinates, triangles, |
---|
590 | point_attributes=z, |
---|
591 | data_origin = data_georef.get_origin(), |
---|
592 | mesh_origin = mesh_georef.get_origin(), |
---|
593 | alpha = 0) |
---|
594 | |
---|
595 | assert allclose( ref, [0,5,5] ) |
---|
596 | |
---|
597 | |
---|
598 | #Test set_values |
---|
599 | |
---|
600 | quantity.set_values( Geospatial_data(data_points, z, data_georef), alpha = 0 ) |
---|
601 | |
---|
602 | #quantity.set_values(points = data_points, |
---|
603 | # values = z, |
---|
604 | # data_georef = data_georef, |
---|
605 | # alpha = 0) |
---|
606 | |
---|
607 | |
---|
608 | #quantity.set_values(points = data_points, |
---|
609 | # values = z, |
---|
610 | # data_georef = data_georef, |
---|
611 | # alpha = 0) |
---|
612 | assert allclose(quantity.vertex_values.flat, ref) |
---|
613 | |
---|
614 | |
---|
615 | |
---|
616 | #Test set_values using geospatial data object |
---|
617 | quantity.vertex_values[:] = 0.0 |
---|
618 | |
---|
619 | geo = Geospatial_data(data_points, z, data_georef) |
---|
620 | |
---|
621 | |
---|
622 | quantity.set_values(geospatial_data = geo, alpha = 0) |
---|
623 | assert allclose(quantity.vertex_values.flat, ref) |
---|
624 | |
---|
625 | |
---|
626 | |
---|
627 | def test_set_values_from_file1(self): |
---|
628 | quantity = Quantity(self.mesh4) |
---|
629 | |
---|
630 | #Get (enough) datapoints |
---|
631 | data_points = [[ 0.66666667, 0.66666667], |
---|
632 | [ 1.33333333, 1.33333333], |
---|
633 | [ 2.66666667, 0.66666667], |
---|
634 | [ 0.66666667, 2.66666667], |
---|
635 | [ 0.0, 1.0], |
---|
636 | [ 0.0, 3.0], |
---|
637 | [ 1.0, 0.0], |
---|
638 | [ 1.0, 1.0], |
---|
639 | [ 1.0, 2.0], |
---|
640 | [ 1.0, 3.0], |
---|
641 | [ 2.0, 1.0], |
---|
642 | [ 3.0, 0.0], |
---|
643 | [ 3.0, 1.0]] |
---|
644 | |
---|
645 | data_geo_spatial = Geospatial_data(data_points, |
---|
646 | geo_reference = Geo_reference(56, 0, 0)) |
---|
647 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
648 | attributes = linear_function(data_points_absolute) |
---|
649 | att = 'spam_and_eggs' |
---|
650 | |
---|
651 | #Create .txt file |
---|
652 | ptsfile = tempfile.mktemp(".txt") |
---|
653 | file = open(ptsfile,"w") |
---|
654 | file.write(" x,y," + att + " \n") |
---|
655 | for data_point, attribute in map(None, data_points_absolute |
---|
656 | ,attributes): |
---|
657 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
658 | + ',' + str(attribute) |
---|
659 | file.write(row + "\n") |
---|
660 | file.close() |
---|
661 | |
---|
662 | |
---|
663 | #Check that values can be set from file |
---|
664 | quantity.set_values(filename = ptsfile, |
---|
665 | attribute_name = att, alpha = 0) |
---|
666 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
667 | |
---|
668 | #print quantity.vertex_values.flat |
---|
669 | #print answer |
---|
670 | |
---|
671 | |
---|
672 | assert allclose(quantity.vertex_values.flat, answer) |
---|
673 | |
---|
674 | |
---|
675 | #Check that values can be set from file using default attribute |
---|
676 | quantity.set_values(filename = ptsfile, alpha = 0) |
---|
677 | assert allclose(quantity.vertex_values.flat, answer) |
---|
678 | |
---|
679 | #Cleanup |
---|
680 | import os |
---|
681 | os.remove(ptsfile) |
---|
682 | |
---|
683 | |
---|
684 | |
---|
685 | def Xtest_set_values_from_file_using_polygon(self): |
---|
686 | """test_set_values_from_file_using_polygon(self): |
---|
687 | |
---|
688 | Test that polygon restriction works for general points data |
---|
689 | """ |
---|
690 | |
---|
691 | quantity = Quantity(self.mesh4) |
---|
692 | |
---|
693 | #Get (enough) datapoints |
---|
694 | data_points = [[ 0.66666667, 0.66666667], |
---|
695 | [ 1.33333333, 1.33333333], |
---|
696 | [ 2.66666667, 0.66666667], |
---|
697 | [ 0.66666667, 2.66666667], |
---|
698 | [ 0.0, 1.0], |
---|
699 | [ 0.0, 3.0], |
---|
700 | [ 1.0, 0.0], |
---|
701 | [ 1.0, 1.0], |
---|
702 | [ 1.0, 2.0], |
---|
703 | [ 1.0, 3.0], |
---|
704 | [ 2.0, 1.0], |
---|
705 | [ 3.0, 0.0], |
---|
706 | [ 3.0, 1.0]] |
---|
707 | |
---|
708 | data_geo_spatial = Geospatial_data(data_points, |
---|
709 | geo_reference = Geo_reference(56, 0, 0)) |
---|
710 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
711 | attributes = linear_function(data_points_absolute) |
---|
712 | att = 'spam_and_eggs' |
---|
713 | |
---|
714 | #Create .txt file |
---|
715 | ptsfile = tempfile.mktemp(".txt") |
---|
716 | file = open(ptsfile,"w") |
---|
717 | file.write(" x,y," + att + " \n") |
---|
718 | for data_point, attribute in map(None, data_points_absolute |
---|
719 | ,attributes): |
---|
720 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
721 | + ',' + str(attribute) |
---|
722 | file.write(row + "\n") |
---|
723 | file.close() |
---|
724 | |
---|
725 | # Create restricting polygon (containing node #4 (2,2) and |
---|
726 | # centroid of triangle #1 (bce) |
---|
727 | polygon = [[1.0, 1.0], [4.0, 1.0], |
---|
728 | [4.0, 4.0], [1.0, 4.0]] |
---|
729 | |
---|
730 | #print self.mesh4.nodes |
---|
731 | #print inside_polygon(self.mesh4.nodes, polygon) |
---|
732 | assert allclose(inside_polygon(self.mesh4.nodes, polygon), 4) |
---|
733 | |
---|
734 | #print quantity.domain.get_vertex_coordinates() |
---|
735 | #print quantity.domain.get_nodes() |
---|
736 | |
---|
737 | # Check that values can be set from file |
---|
738 | quantity.set_values(filename=ptsfile, |
---|
739 | polygon=polygon, |
---|
740 | location='unique vertices', |
---|
741 | alpha=0) |
---|
742 | |
---|
743 | # Get indices for vertex coordinates in polygon |
---|
744 | indices = inside_polygon(quantity.domain.get_vertex_coordinates(), |
---|
745 | polygon) |
---|
746 | points = take(quantity.domain.get_vertex_coordinates(), indices) |
---|
747 | |
---|
748 | answer = linear_function(points) |
---|
749 | |
---|
750 | #print quantity.vertex_values.flat |
---|
751 | #print answer |
---|
752 | |
---|
753 | # Check vertices in polygon have been set |
---|
754 | assert allclose(take(quantity.vertex_values.flat, indices), |
---|
755 | answer) |
---|
756 | |
---|
757 | # Check vertices outside polygon are zero |
---|
758 | indices = outside_polygon(quantity.domain.get_vertex_coordinates(), |
---|
759 | polygon) |
---|
760 | assert allclose(take(quantity.vertex_values.flat, indices), |
---|
761 | 0.0) |
---|
762 | |
---|
763 | #Cleanup |
---|
764 | import os |
---|
765 | os.remove(ptsfile) |
---|
766 | |
---|
767 | |
---|
768 | |
---|
769 | |
---|
770 | def test_cache_test_set_values_from_file(self): |
---|
771 | # FIXME (Ole): What is this about? |
---|
772 | # I don't think it checks anything new |
---|
773 | quantity = Quantity(self.mesh4) |
---|
774 | |
---|
775 | #Get (enough) datapoints |
---|
776 | data_points = [[ 0.66666667, 0.66666667], |
---|
777 | [ 1.33333333, 1.33333333], |
---|
778 | [ 2.66666667, 0.66666667], |
---|
779 | [ 0.66666667, 2.66666667], |
---|
780 | [ 0.0, 1.0], |
---|
781 | [ 0.0, 3.0], |
---|
782 | [ 1.0, 0.0], |
---|
783 | [ 1.0, 1.0], |
---|
784 | [ 1.0, 2.0], |
---|
785 | [ 1.0, 3.0], |
---|
786 | [ 2.0, 1.0], |
---|
787 | [ 3.0, 0.0], |
---|
788 | [ 3.0, 1.0]] |
---|
789 | |
---|
790 | georef = Geo_reference(56, 0, 0) |
---|
791 | data_geo_spatial = Geospatial_data(data_points, |
---|
792 | geo_reference=georef) |
---|
793 | |
---|
794 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
795 | attributes = linear_function(data_points_absolute) |
---|
796 | att = 'spam_and_eggs' |
---|
797 | |
---|
798 | # Create .txt file |
---|
799 | ptsfile = tempfile.mktemp(".txt") |
---|
800 | file = open(ptsfile,"w") |
---|
801 | file.write(" x,y," + att + " \n") |
---|
802 | for data_point, attribute in map(None, data_points_absolute |
---|
803 | ,attributes): |
---|
804 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
805 | + ',' + str(attribute) |
---|
806 | file.write(row + "\n") |
---|
807 | file.close() |
---|
808 | |
---|
809 | |
---|
810 | # Check that values can be set from file |
---|
811 | quantity.set_values(filename=ptsfile, |
---|
812 | attribute_name=att, |
---|
813 | alpha=0, |
---|
814 | use_cache=True, |
---|
815 | verbose=False) |
---|
816 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
817 | assert allclose(quantity.vertex_values.flat, answer) |
---|
818 | |
---|
819 | |
---|
820 | # Check that values can be set from file using default attribute |
---|
821 | quantity.set_values(filename=ptsfile, |
---|
822 | alpha=0) |
---|
823 | assert allclose(quantity.vertex_values.flat, answer) |
---|
824 | |
---|
825 | # Check cache |
---|
826 | quantity.set_values(filename=ptsfile, |
---|
827 | attribute_name=att, |
---|
828 | alpha=0, |
---|
829 | use_cache=True, |
---|
830 | verbose=False) |
---|
831 | |
---|
832 | |
---|
833 | #Cleanup |
---|
834 | import os |
---|
835 | os.remove(ptsfile) |
---|
836 | |
---|
837 | def test_set_values_from_lat_long(self): |
---|
838 | quantity = Quantity(self.mesh_onslow) |
---|
839 | |
---|
840 | #Get (enough) datapoints |
---|
841 | data_points = [[-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
842 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6]] |
---|
843 | |
---|
844 | data_geo_spatial = Geospatial_data(data_points, |
---|
845 | points_are_lats_longs=True) |
---|
846 | points_UTM = data_geo_spatial.get_data_points(absolute=True) |
---|
847 | attributes = linear_function(points_UTM) |
---|
848 | att = 'elevation' |
---|
849 | |
---|
850 | #Create .txt file |
---|
851 | txt_file = tempfile.mktemp(".txt") |
---|
852 | file = open(txt_file,"w") |
---|
853 | file.write(" lat,long," + att + " \n") |
---|
854 | for data_point, attribute in map(None, data_points, attributes): |
---|
855 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
856 | + ',' + str(attribute) |
---|
857 | #print "row", row |
---|
858 | file.write(row + "\n") |
---|
859 | file.close() |
---|
860 | |
---|
861 | |
---|
862 | #Check that values can be set from file |
---|
863 | quantity.set_values(filename=txt_file, |
---|
864 | attribute_name=att, |
---|
865 | alpha=0) |
---|
866 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
867 | |
---|
868 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
869 | #print "answer",answer |
---|
870 | |
---|
871 | assert allclose(quantity.vertex_values.flat, answer) |
---|
872 | |
---|
873 | |
---|
874 | #Check that values can be set from file using default attribute |
---|
875 | quantity.set_values(filename=txt_file, alpha=0) |
---|
876 | assert allclose(quantity.vertex_values.flat, answer) |
---|
877 | |
---|
878 | #Cleanup |
---|
879 | import os |
---|
880 | os.remove(txt_file) |
---|
881 | |
---|
882 | def test_set_values_from_lat_long(self): |
---|
883 | quantity = Quantity(self.mesh_onslow) |
---|
884 | |
---|
885 | #Get (enough) datapoints |
---|
886 | data_points = [[-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
887 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6]] |
---|
888 | |
---|
889 | data_geo_spatial = Geospatial_data(data_points, |
---|
890 | points_are_lats_longs=True) |
---|
891 | points_UTM = data_geo_spatial.get_data_points(absolute=True) |
---|
892 | attributes = linear_function(points_UTM) |
---|
893 | att = 'elevation' |
---|
894 | |
---|
895 | #Create .txt file |
---|
896 | txt_file = tempfile.mktemp(".txt") |
---|
897 | file = open(txt_file,"w") |
---|
898 | file.write(" lat,long," + att + " \n") |
---|
899 | for data_point, attribute in map(None, data_points, attributes): |
---|
900 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
901 | + ',' + str(attribute) |
---|
902 | #print "row", row |
---|
903 | file.write(row + "\n") |
---|
904 | file.close() |
---|
905 | |
---|
906 | |
---|
907 | #Check that values can be set from file |
---|
908 | quantity.set_values(filename=txt_file, |
---|
909 | attribute_name=att, alpha=0) |
---|
910 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
911 | |
---|
912 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
913 | #print "answer",answer |
---|
914 | |
---|
915 | assert allclose(quantity.vertex_values.flat, answer) |
---|
916 | |
---|
917 | |
---|
918 | #Check that values can be set from file using default attribute |
---|
919 | quantity.set_values(filename=txt_file, alpha=0) |
---|
920 | assert allclose(quantity.vertex_values.flat, answer) |
---|
921 | |
---|
922 | #Cleanup |
---|
923 | import os |
---|
924 | os.remove(txt_file) |
---|
925 | |
---|
926 | def test_set_values_from_UTM_pts(self): |
---|
927 | quantity = Quantity(self.mesh_onslow) |
---|
928 | |
---|
929 | #Get (enough) datapoints |
---|
930 | data_points = [[-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
931 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6]] |
---|
932 | |
---|
933 | data_geo_spatial = Geospatial_data(data_points, |
---|
934 | points_are_lats_longs=True) |
---|
935 | points_UTM = data_geo_spatial.get_data_points(absolute=True) |
---|
936 | attributes = linear_function(points_UTM) |
---|
937 | att = 'elevation' |
---|
938 | |
---|
939 | #Create .txt file |
---|
940 | txt_file = tempfile.mktemp(".txt") |
---|
941 | file = open(txt_file,"w") |
---|
942 | file.write(" x,y," + att + " \n") |
---|
943 | for data_point, attribute in map(None, points_UTM, attributes): |
---|
944 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
945 | + ',' + str(attribute) |
---|
946 | #print "row", row |
---|
947 | file.write(row + "\n") |
---|
948 | file.close() |
---|
949 | |
---|
950 | |
---|
951 | pts_file = tempfile.mktemp(".pts") |
---|
952 | convert = Geospatial_data(txt_file) |
---|
953 | convert.export_points_file(pts_file) |
---|
954 | |
---|
955 | #Check that values can be set from file |
---|
956 | quantity.set_values_from_file(pts_file, att, 0, |
---|
957 | 'vertices', None) |
---|
958 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
959 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
960 | #print "answer",answer |
---|
961 | assert allclose(quantity.vertex_values.flat, answer) |
---|
962 | |
---|
963 | #Check that values can be set from file |
---|
964 | quantity.set_values(filename=pts_file, |
---|
965 | attribute_name=att, alpha=0) |
---|
966 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
967 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
968 | #print "answer",answer |
---|
969 | assert allclose(quantity.vertex_values.flat, answer) |
---|
970 | |
---|
971 | |
---|
972 | #Check that values can be set from file using default attribute |
---|
973 | quantity.set_values(filename=txt_file, alpha=0) |
---|
974 | assert allclose(quantity.vertex_values.flat, answer) |
---|
975 | |
---|
976 | #Cleanup |
---|
977 | import os |
---|
978 | os.remove(txt_file) |
---|
979 | os.remove(pts_file) |
---|
980 | |
---|
981 | def verbose_test_set_values_from_UTM_pts(self): |
---|
982 | quantity = Quantity(self.mesh_onslow) |
---|
983 | |
---|
984 | #Get (enough) datapoints |
---|
985 | data_points = [[-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
986 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
987 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
988 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
989 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
990 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
991 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
992 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
993 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
994 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
995 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
996 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
997 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
998 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
999 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1000 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1001 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1002 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1003 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1004 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1005 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1006 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1007 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1008 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1009 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1010 | [-21.5, 114.5],[-21.4, 114.6],[-21.45,114.65], |
---|
1011 | [-21.35, 114.65],[-21.45, 114.55],[-21.45,114.6], |
---|
1012 | ] |
---|
1013 | |
---|
1014 | data_geo_spatial = Geospatial_data(data_points, |
---|
1015 | points_are_lats_longs=True) |
---|
1016 | points_UTM = data_geo_spatial.get_data_points(absolute=True) |
---|
1017 | attributes = linear_function(points_UTM) |
---|
1018 | att = 'elevation' |
---|
1019 | |
---|
1020 | #Create .txt file |
---|
1021 | txt_file = tempfile.mktemp(".txt") |
---|
1022 | file = open(txt_file,"w") |
---|
1023 | file.write(" x,y," + att + " \n") |
---|
1024 | for data_point, attribute in map(None, points_UTM, attributes): |
---|
1025 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
1026 | + ',' + str(attribute) |
---|
1027 | #print "row", row |
---|
1028 | file.write(row + "\n") |
---|
1029 | file.close() |
---|
1030 | |
---|
1031 | |
---|
1032 | pts_file = tempfile.mktemp(".pts") |
---|
1033 | convert = Geospatial_data(txt_file) |
---|
1034 | convert.export_points_file(pts_file) |
---|
1035 | |
---|
1036 | #Check that values can be set from file |
---|
1037 | quantity.set_values_from_file(pts_file, att, 0, |
---|
1038 | 'vertices', None, verbose = True, |
---|
1039 | max_read_lines=2) |
---|
1040 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
1041 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
1042 | #print "answer",answer |
---|
1043 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1044 | |
---|
1045 | #Check that values can be set from file |
---|
1046 | quantity.set_values(filename=pts_file, |
---|
1047 | attribute_name=att, alpha=0) |
---|
1048 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
1049 | #print "quantity.vertex_values.flat", quantity.vertex_values.flat |
---|
1050 | #print "answer",answer |
---|
1051 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1052 | |
---|
1053 | |
---|
1054 | #Check that values can be set from file using default attribute |
---|
1055 | quantity.set_values(filename=txt_file, alpha=0) |
---|
1056 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1057 | |
---|
1058 | #Cleanup |
---|
1059 | import os |
---|
1060 | os.remove(txt_file) |
---|
1061 | os.remove(pts_file) |
---|
1062 | |
---|
1063 | def test_set_values_from_file_with_georef1(self): |
---|
1064 | |
---|
1065 | #Mesh in zone 56 (absolute coords) |
---|
1066 | |
---|
1067 | x0 = 314036.58727982 |
---|
1068 | y0 = 6224951.2960092 |
---|
1069 | |
---|
1070 | a = [x0+0.0, y0+0.0] |
---|
1071 | b = [x0+0.0, y0+2.0] |
---|
1072 | c = [x0+2.0, y0+0.0] |
---|
1073 | d = [x0+0.0, y0+4.0] |
---|
1074 | e = [x0+2.0, y0+2.0] |
---|
1075 | f = [x0+4.0, y0+0.0] |
---|
1076 | |
---|
1077 | points = [a, b, c, d, e, f] |
---|
1078 | |
---|
1079 | #bac, bce, ecf, dbe |
---|
1080 | elements = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
1081 | |
---|
1082 | #absolute going in .. |
---|
1083 | mesh4 = Domain(points, elements, |
---|
1084 | geo_reference = Geo_reference(56, 0, 0)) |
---|
1085 | mesh4.check_integrity() |
---|
1086 | quantity = Quantity(mesh4) |
---|
1087 | |
---|
1088 | #Get (enough) datapoints (relative to georef) |
---|
1089 | data_points_rel = [[ 0.66666667, 0.66666667], |
---|
1090 | [ 1.33333333, 1.33333333], |
---|
1091 | [ 2.66666667, 0.66666667], |
---|
1092 | [ 0.66666667, 2.66666667], |
---|
1093 | [ 0.0, 1.0], |
---|
1094 | [ 0.0, 3.0], |
---|
1095 | [ 1.0, 0.0], |
---|
1096 | [ 1.0, 1.0], |
---|
1097 | [ 1.0, 2.0], |
---|
1098 | [ 1.0, 3.0], |
---|
1099 | [ 2.0, 1.0], |
---|
1100 | [ 3.0, 0.0], |
---|
1101 | [ 3.0, 1.0]] |
---|
1102 | |
---|
1103 | data_geo_spatial = Geospatial_data(data_points_rel, |
---|
1104 | geo_reference = Geo_reference(56, x0, y0)) |
---|
1105 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
1106 | attributes = linear_function(data_points_absolute) |
---|
1107 | att = 'spam_and_eggs' |
---|
1108 | |
---|
1109 | #Create .txt file |
---|
1110 | ptsfile = tempfile.mktemp(".txt") |
---|
1111 | file = open(ptsfile,"w") |
---|
1112 | file.write(" x,y," + att + " \n") |
---|
1113 | for data_point, attribute in map(None, data_points_absolute |
---|
1114 | ,attributes): |
---|
1115 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
1116 | + ',' + str(attribute) |
---|
1117 | file.write(row + "\n") |
---|
1118 | file.close() |
---|
1119 | |
---|
1120 | #file = open(ptsfile, 'r') |
---|
1121 | #lines = file.readlines() |
---|
1122 | #file.close() |
---|
1123 | |
---|
1124 | |
---|
1125 | #Check that values can be set from file |
---|
1126 | quantity.set_values(filename=ptsfile, |
---|
1127 | attribute_name=att, alpha=0) |
---|
1128 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
1129 | |
---|
1130 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1131 | |
---|
1132 | |
---|
1133 | #Check that values can be set from file using default attribute |
---|
1134 | quantity.set_values(filename=ptsfile, alpha=0) |
---|
1135 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1136 | |
---|
1137 | #Cleanup |
---|
1138 | import os |
---|
1139 | os.remove(ptsfile) |
---|
1140 | |
---|
1141 | |
---|
1142 | def test_set_values_from_file_with_georef2(self): |
---|
1143 | |
---|
1144 | #Mesh in zone 56 (relative coords) |
---|
1145 | |
---|
1146 | x0 = 314036.58727982 |
---|
1147 | y0 = 6224951.2960092 |
---|
1148 | #x0 = 0.0 |
---|
1149 | #y0 = 0.0 |
---|
1150 | |
---|
1151 | a = [0.0, 0.0] |
---|
1152 | b = [0.0, 2.0] |
---|
1153 | c = [2.0, 0.0] |
---|
1154 | d = [0.0, 4.0] |
---|
1155 | e = [2.0, 2.0] |
---|
1156 | f = [4.0, 0.0] |
---|
1157 | |
---|
1158 | points = [a, b, c, d, e, f] |
---|
1159 | |
---|
1160 | #bac, bce, ecf, dbe |
---|
1161 | elements = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
1162 | |
---|
1163 | mesh4 = Domain(points, elements, |
---|
1164 | geo_reference = Geo_reference(56, x0, y0)) |
---|
1165 | mesh4.check_integrity() |
---|
1166 | quantity = Quantity(mesh4) |
---|
1167 | |
---|
1168 | #Get (enough) datapoints |
---|
1169 | data_points = [[ x0+0.66666667, y0+0.66666667], |
---|
1170 | [ x0+1.33333333, y0+1.33333333], |
---|
1171 | [ x0+2.66666667, y0+0.66666667], |
---|
1172 | [ x0+0.66666667, y0+2.66666667], |
---|
1173 | [ x0+0.0, y0+1.0], |
---|
1174 | [ x0+0.0, y0+3.0], |
---|
1175 | [ x0+1.0, y0+0.0], |
---|
1176 | [ x0+1.0, y0+1.0], |
---|
1177 | [ x0+1.0, y0+2.0], |
---|
1178 | [ x0+1.0, y0+3.0], |
---|
1179 | [ x0+2.0, y0+1.0], |
---|
1180 | [ x0+3.0, y0+0.0], |
---|
1181 | [ x0+3.0, y0+1.0]] |
---|
1182 | |
---|
1183 | |
---|
1184 | data_geo_spatial = Geospatial_data(data_points, |
---|
1185 | geo_reference = Geo_reference(56, 0, 0)) |
---|
1186 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
1187 | attributes = linear_function(data_points_absolute) |
---|
1188 | att = 'spam_and_eggs' |
---|
1189 | |
---|
1190 | #Create .txt file |
---|
1191 | ptsfile = tempfile.mktemp(".txt") |
---|
1192 | file = open(ptsfile,"w") |
---|
1193 | file.write(" x,y," + att + " \n") |
---|
1194 | for data_point, attribute in map(None, data_points_absolute |
---|
1195 | ,attributes): |
---|
1196 | row = str(data_point[0]) + ',' + str(data_point[1]) \ |
---|
1197 | + ',' + str(attribute) |
---|
1198 | file.write(row + "\n") |
---|
1199 | file.close() |
---|
1200 | |
---|
1201 | |
---|
1202 | #Check that values can be set from file |
---|
1203 | quantity.set_values(filename=ptsfile, |
---|
1204 | attribute_name=att, alpha=0) |
---|
1205 | answer = linear_function(quantity.domain. \ |
---|
1206 | get_vertex_coordinates(absolute=True)) |
---|
1207 | |
---|
1208 | |
---|
1209 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1210 | |
---|
1211 | |
---|
1212 | #Check that values can be set from file using default attribute |
---|
1213 | quantity.set_values(filename=ptsfile, alpha=0) |
---|
1214 | assert allclose(quantity.vertex_values.flat, answer) |
---|
1215 | |
---|
1216 | #Cleanup |
---|
1217 | import os |
---|
1218 | os.remove(ptsfile) |
---|
1219 | |
---|
1220 | |
---|
1221 | |
---|
1222 | |
---|
1223 | def test_set_values_from_quantity(self): |
---|
1224 | |
---|
1225 | quantity1 = Quantity(self.mesh4) |
---|
1226 | quantity1.set_vertex_values([0,1,2,3,4,5]) |
---|
1227 | |
---|
1228 | assert allclose(quantity1.vertex_values, |
---|
1229 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
1230 | |
---|
1231 | |
---|
1232 | quantity2 = Quantity(self.mesh4) |
---|
1233 | quantity2.set_values(quantity=quantity1) |
---|
1234 | assert allclose(quantity2.vertex_values, |
---|
1235 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
1236 | |
---|
1237 | quantity2.set_values(quantity = 2*quantity1) |
---|
1238 | assert allclose(quantity2.vertex_values, |
---|
1239 | [[2,0,4], [2,4,8], [8,4,10], [6,2,8]]) |
---|
1240 | |
---|
1241 | quantity2.set_values(quantity = 2*quantity1 + 3) |
---|
1242 | assert allclose(quantity2.vertex_values, |
---|
1243 | [[5,3,7], [5,7,11], [11,7,13], [9,5,11]]) |
---|
1244 | |
---|
1245 | |
---|
1246 | #Check detection of quantity as first orgument |
---|
1247 | quantity2.set_values(2*quantity1 + 3) |
---|
1248 | assert allclose(quantity2.vertex_values, |
---|
1249 | [[5,3,7], [5,7,11], [11,7,13], [9,5,11]]) |
---|
1250 | |
---|
1251 | |
---|
1252 | |
---|
1253 | def Xtest_set_values_from_quantity_using_polygon(self): |
---|
1254 | """test_set_values_from_quantity_using_polygon(self): |
---|
1255 | |
---|
1256 | Check that polygon can be used to restrict set_values when |
---|
1257 | using another quantity as argument. |
---|
1258 | """ |
---|
1259 | |
---|
1260 | # Create restricting polygon (containing node #4 (2,2) and |
---|
1261 | # centroid of triangle #1 (bce) |
---|
1262 | polygon = [[1.0, 1.0], [4.0, 1.0], |
---|
1263 | [4.0, 4.0], [1.0, 4.0]] |
---|
1264 | assert allclose(inside_polygon(self.mesh4.nodes, polygon), 4) |
---|
1265 | |
---|
1266 | quantity1 = Quantity(self.mesh4) |
---|
1267 | quantity1.set_vertex_values([0,1,2,3,4,5]) |
---|
1268 | |
---|
1269 | assert allclose(quantity1.vertex_values, |
---|
1270 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
1271 | |
---|
1272 | |
---|
1273 | quantity2 = Quantity(self.mesh4) |
---|
1274 | quantity2.set_values(quantity=quantity1, |
---|
1275 | polygon=polygon) |
---|
1276 | |
---|
1277 | msg = 'Only node #4(e) at (2,2) should have values applied ' |
---|
1278 | assert allclose(quantity2.vertex_values, |
---|
1279 | [[0,0,0], [0,0,4], [4,0,0], [0,0,4]]), msg |
---|
1280 | #bac, bce, ecf, dbe |
---|
1281 | |
---|
1282 | |
---|
1283 | |
---|
1284 | def test_overloading(self): |
---|
1285 | |
---|
1286 | quantity1 = Quantity(self.mesh4) |
---|
1287 | quantity1.set_vertex_values([0,1,2,3,4,5]) |
---|
1288 | |
---|
1289 | assert allclose(quantity1.vertex_values, |
---|
1290 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
1291 | |
---|
1292 | |
---|
1293 | quantity2 = Quantity(self.mesh4) |
---|
1294 | quantity2.set_values([[1,2,3], [5,5,5], [0,0,9], [-6, 3, 3]], |
---|
1295 | location = 'vertices') |
---|
1296 | |
---|
1297 | |
---|
1298 | |
---|
1299 | quantity3 = Quantity(self.mesh4) |
---|
1300 | quantity3.set_values([[2,2,2], [7,8,9], [7,6,3], [3, 8, -8]], |
---|
1301 | location = 'vertices') |
---|
1302 | |
---|
1303 | |
---|
1304 | # Negation |
---|
1305 | Q = -quantity1 |
---|
1306 | assert allclose(Q.vertex_values, -quantity1.vertex_values) |
---|
1307 | assert allclose(Q.centroid_values, -quantity1.centroid_values) |
---|
1308 | assert allclose(Q.edge_values, -quantity1.edge_values) |
---|
1309 | |
---|
1310 | # Addition |
---|
1311 | Q = quantity1 + 7 |
---|
1312 | assert allclose(Q.vertex_values, quantity1.vertex_values + 7) |
---|
1313 | assert allclose(Q.centroid_values, quantity1.centroid_values + 7) |
---|
1314 | assert allclose(Q.edge_values, quantity1.edge_values + 7) |
---|
1315 | |
---|
1316 | Q = 7 + quantity1 |
---|
1317 | assert allclose(Q.vertex_values, quantity1.vertex_values + 7) |
---|
1318 | assert allclose(Q.centroid_values, quantity1.centroid_values + 7) |
---|
1319 | assert allclose(Q.edge_values, quantity1.edge_values + 7) |
---|
1320 | |
---|
1321 | Q = quantity1 + quantity2 |
---|
1322 | assert allclose(Q.vertex_values, |
---|
1323 | quantity1.vertex_values + quantity2.vertex_values) |
---|
1324 | assert allclose(Q.centroid_values, |
---|
1325 | quantity1.centroid_values + quantity2.centroid_values) |
---|
1326 | assert allclose(Q.edge_values, |
---|
1327 | quantity1.edge_values + quantity2.edge_values) |
---|
1328 | |
---|
1329 | |
---|
1330 | Q = quantity1 + quantity2 - 3 |
---|
1331 | assert allclose(Q.vertex_values, |
---|
1332 | quantity1.vertex_values + quantity2.vertex_values - 3) |
---|
1333 | |
---|
1334 | Q = quantity1 - quantity2 |
---|
1335 | assert allclose(Q.vertex_values, |
---|
1336 | quantity1.vertex_values - quantity2.vertex_values) |
---|
1337 | |
---|
1338 | #Scaling |
---|
1339 | Q = quantity1*3 |
---|
1340 | assert allclose(Q.vertex_values, quantity1.vertex_values*3) |
---|
1341 | assert allclose(Q.centroid_values, quantity1.centroid_values*3) |
---|
1342 | assert allclose(Q.edge_values, quantity1.edge_values*3) |
---|
1343 | Q = 3*quantity1 |
---|
1344 | assert allclose(Q.vertex_values, quantity1.vertex_values*3) |
---|
1345 | |
---|
1346 | #Multiplication |
---|
1347 | Q = quantity1 * quantity2 |
---|
1348 | #print Q.vertex_values |
---|
1349 | #print Q.centroid_values |
---|
1350 | #print quantity1.centroid_values |
---|
1351 | #print quantity2.centroid_values |
---|
1352 | |
---|
1353 | assert allclose(Q.vertex_values, |
---|
1354 | quantity1.vertex_values * quantity2.vertex_values) |
---|
1355 | |
---|
1356 | #Linear combinations |
---|
1357 | Q = 4*quantity1 + 2 |
---|
1358 | assert allclose(Q.vertex_values, |
---|
1359 | 4*quantity1.vertex_values + 2) |
---|
1360 | |
---|
1361 | Q = quantity1*quantity2 + 2 |
---|
1362 | assert allclose(Q.vertex_values, |
---|
1363 | quantity1.vertex_values * quantity2.vertex_values + 2) |
---|
1364 | |
---|
1365 | Q = quantity1*quantity2 + quantity3 |
---|
1366 | assert allclose(Q.vertex_values, |
---|
1367 | quantity1.vertex_values * quantity2.vertex_values + |
---|
1368 | quantity3.vertex_values) |
---|
1369 | Q = quantity1*quantity2 + 3*quantity3 |
---|
1370 | assert allclose(Q.vertex_values, |
---|
1371 | quantity1.vertex_values * quantity2.vertex_values + |
---|
1372 | 3*quantity3.vertex_values) |
---|
1373 | Q = quantity1*quantity2 + 3*quantity3 + 5.0 |
---|
1374 | assert allclose(Q.vertex_values, |
---|
1375 | quantity1.vertex_values * quantity2.vertex_values + |
---|
1376 | 3*quantity3.vertex_values + 5) |
---|
1377 | |
---|
1378 | Q = quantity1*quantity2 - quantity3 |
---|
1379 | assert allclose(Q.vertex_values, |
---|
1380 | quantity1.vertex_values * quantity2.vertex_values - |
---|
1381 | quantity3.vertex_values) |
---|
1382 | Q = 1.5*quantity1*quantity2 - 3*quantity3 + 5.0 |
---|
1383 | assert allclose(Q.vertex_values, |
---|
1384 | 1.5*quantity1.vertex_values * quantity2.vertex_values - |
---|
1385 | 3*quantity3.vertex_values + 5) |
---|
1386 | |
---|
1387 | #Try combining quantities and arrays and scalars |
---|
1388 | Q = 1.5*quantity1*quantity2.vertex_values -\ |
---|
1389 | 3*quantity3.vertex_values + 5.0 |
---|
1390 | assert allclose(Q.vertex_values, |
---|
1391 | 1.5*quantity1.vertex_values * quantity2.vertex_values - |
---|
1392 | 3*quantity3.vertex_values + 5) |
---|
1393 | |
---|
1394 | |
---|
1395 | #Powers |
---|
1396 | Q = quantity1**2 |
---|
1397 | assert allclose(Q.vertex_values, quantity1.vertex_values**2) |
---|
1398 | |
---|
1399 | Q = quantity1**2 +quantity2**2 |
---|
1400 | assert allclose(Q.vertex_values, |
---|
1401 | quantity1.vertex_values**2 + \ |
---|
1402 | quantity2.vertex_values**2) |
---|
1403 | |
---|
1404 | Q = (quantity1**2 +quantity2**2)**0.5 |
---|
1405 | assert allclose(Q.vertex_values, |
---|
1406 | (quantity1.vertex_values**2 + \ |
---|
1407 | quantity2.vertex_values**2)**0.5) |
---|
1408 | |
---|
1409 | |
---|
1410 | |
---|
1411 | |
---|
1412 | |
---|
1413 | |
---|
1414 | |
---|
1415 | def test_compute_gradient(self): |
---|
1416 | quantity = Quantity(self.mesh4) |
---|
1417 | |
---|
1418 | #Set up for a gradient of (2,0) at mid triangle |
---|
1419 | quantity.set_values([2.0, 4.0, 6.0, 2.0], |
---|
1420 | location = 'centroids') |
---|
1421 | |
---|
1422 | |
---|
1423 | #Gradients |
---|
1424 | quantity.compute_gradients() |
---|
1425 | |
---|
1426 | a = quantity.x_gradient |
---|
1427 | b = quantity.y_gradient |
---|
1428 | #print self.mesh4.centroid_coordinates |
---|
1429 | #print a, b |
---|
1430 | |
---|
1431 | #The central triangle (1) |
---|
1432 | #(using standard gradient based on neigbours controid values) |
---|
1433 | assert allclose(a[1], 2.0) |
---|
1434 | assert allclose(b[1], 0.0) |
---|
1435 | |
---|
1436 | |
---|
1437 | #Left triangle (0) using two point gradient |
---|
1438 | #q0 = q1 + a*(x0-x1) + b*(y0-y1) <=> |
---|
1439 | #2 = 4 + a*(-2/3) + b*(-2/3) |
---|
1440 | assert allclose(a[0] + b[0], 3) |
---|
1441 | #From orthogonality (a*(y0-y1) + b*(x0-x1) == 0) |
---|
1442 | assert allclose(a[0] - b[0], 0) |
---|
1443 | |
---|
1444 | |
---|
1445 | #Right triangle (2) using two point gradient |
---|
1446 | #q2 = q1 + a*(x2-x1) + b*(y2-y1) <=> |
---|
1447 | #6 = 4 + a*(4/3) + b*(-2/3) |
---|
1448 | assert allclose(2*a[2] - b[2], 3) |
---|
1449 | #From orthogonality (a*(y1-y2) + b*(x2-x1) == 0) |
---|
1450 | assert allclose(a[2] + 2*b[2], 0) |
---|
1451 | |
---|
1452 | |
---|
1453 | #Top triangle (3) using two point gradient |
---|
1454 | #q3 = q1 + a*(x3-x1) + b*(y3-y1) <=> |
---|
1455 | #2 = 4 + a*(-2/3) + b*(4/3) |
---|
1456 | assert allclose(a[3] - 2*b[3], 3) |
---|
1457 | #From orthogonality (a*(y1-y3) + b*(x3-x1) == 0) |
---|
1458 | assert allclose(2*a[3] + b[3], 0) |
---|
1459 | |
---|
1460 | |
---|
1461 | |
---|
1462 | #print a, b |
---|
1463 | quantity.extrapolate_second_order() |
---|
1464 | |
---|
1465 | #Apply q(x,y) = qc + a*(x-xc) + b*(y-yc) |
---|
1466 | assert allclose(quantity.vertex_values[0,:], [3., 0., 3.]) |
---|
1467 | assert allclose(quantity.vertex_values[1,:], [4./3, 16./3, 16./3]) |
---|
1468 | |
---|
1469 | |
---|
1470 | #a = 1.2, b=-0.6 |
---|
1471 | #q(4,0) = 6 + a*(4 - 8/3) + b*(-2/3) |
---|
1472 | assert allclose(quantity.vertex_values[2,2], 8) |
---|
1473 | |
---|
1474 | def test_get_gradients(self): |
---|
1475 | quantity = Quantity(self.mesh4) |
---|
1476 | |
---|
1477 | #Set up for a gradient of (2,0) at mid triangle |
---|
1478 | quantity.set_values([2.0, 4.0, 6.0, 2.0], |
---|
1479 | location = 'centroids') |
---|
1480 | |
---|
1481 | |
---|
1482 | #Gradients |
---|
1483 | quantity.compute_gradients() |
---|
1484 | |
---|
1485 | a, b = quantity.get_gradients() |
---|
1486 | #print self.mesh4.centroid_coordinates |
---|
1487 | #print a, b |
---|
1488 | |
---|
1489 | #The central triangle (1) |
---|
1490 | #(using standard gradient based on neigbours controid values) |
---|
1491 | assert allclose(a[1], 2.0) |
---|
1492 | assert allclose(b[1], 0.0) |
---|
1493 | |
---|
1494 | |
---|
1495 | #Left triangle (0) using two point gradient |
---|
1496 | #q0 = q1 + a*(x0-x1) + b*(y0-y1) <=> |
---|
1497 | #2 = 4 + a*(-2/3) + b*(-2/3) |
---|
1498 | assert allclose(a[0] + b[0], 3) |
---|
1499 | #From orthogonality (a*(y0-y1) + b*(x0-x1) == 0) |
---|
1500 | assert allclose(a[0] - b[0], 0) |
---|
1501 | |
---|
1502 | |
---|
1503 | #Right triangle (2) using two point gradient |
---|
1504 | #q2 = q1 + a*(x2-x1) + b*(y2-y1) <=> |
---|
1505 | #6 = 4 + a*(4/3) + b*(-2/3) |
---|
1506 | assert allclose(2*a[2] - b[2], 3) |
---|
1507 | #From orthogonality (a*(y1-y2) + b*(x2-x1) == 0) |
---|
1508 | assert allclose(a[2] + 2*b[2], 0) |
---|
1509 | |
---|
1510 | |
---|
1511 | #Top triangle (3) using two point gradient |
---|
1512 | #q3 = q1 + a*(x3-x1) + b*(y3-y1) <=> |
---|
1513 | #2 = 4 + a*(-2/3) + b*(4/3) |
---|
1514 | assert allclose(a[3] - 2*b[3], 3) |
---|
1515 | #From orthogonality (a*(y1-y3) + b*(x3-x1) == 0) |
---|
1516 | assert allclose(2*a[3] + b[3], 0) |
---|
1517 | |
---|
1518 | |
---|
1519 | def test_second_order_extrapolation2(self): |
---|
1520 | quantity = Quantity(self.mesh4) |
---|
1521 | |
---|
1522 | #Set up for a gradient of (3,1), f(x) = 3x+y |
---|
1523 | quantity.set_values([2.0+2.0/3, 4.0+4.0/3, 8.0+2.0/3, 2.0+8.0/3], |
---|
1524 | location = 'centroids') |
---|
1525 | |
---|
1526 | #Gradients |
---|
1527 | quantity.compute_gradients() |
---|
1528 | |
---|
1529 | a = quantity.x_gradient |
---|
1530 | b = quantity.y_gradient |
---|
1531 | |
---|
1532 | #print a, b |
---|
1533 | |
---|
1534 | assert allclose(a[1], 3.0) |
---|
1535 | assert allclose(b[1], 1.0) |
---|
1536 | |
---|
1537 | #Work out the others |
---|
1538 | |
---|
1539 | quantity.extrapolate_second_order() |
---|
1540 | |
---|
1541 | #print quantity.vertex_values |
---|
1542 | assert allclose(quantity.vertex_values[1,0], 2.0) |
---|
1543 | assert allclose(quantity.vertex_values[1,1], 6.0) |
---|
1544 | assert allclose(quantity.vertex_values[1,2], 8.0) |
---|
1545 | |
---|
1546 | |
---|
1547 | |
---|
1548 | def test_backup_saxpy_centroid_values(self): |
---|
1549 | quantity = Quantity(self.mesh4) |
---|
1550 | |
---|
1551 | #Set up for a gradient of (3,1), f(x) = 3x+y |
---|
1552 | c_values = array([2.0+2.0/3, 4.0+4.0/3, 8.0+2.0/3, 2.0+8.0/3]) |
---|
1553 | d_values = array([1.0, 2.0, 3.0, 4.0]) |
---|
1554 | quantity.set_values(c_values, location = 'centroids') |
---|
1555 | |
---|
1556 | #Backup |
---|
1557 | quantity.backup_centroid_values() |
---|
1558 | |
---|
1559 | #print quantity.vertex_values |
---|
1560 | assert allclose(quantity.centroid_values, quantity.centroid_backup_values) |
---|
1561 | |
---|
1562 | |
---|
1563 | quantity.set_values(d_values, location = 'centroids') |
---|
1564 | |
---|
1565 | quantity.saxpy_centroid_values(2.0, 3.0) |
---|
1566 | |
---|
1567 | assert(quantity.centroid_values, 2.0*d_values + 3.0*c_values) |
---|
1568 | |
---|
1569 | |
---|
1570 | |
---|
1571 | def test_first_order_extrapolator(self): |
---|
1572 | quantity = Quantity(self.mesh4) |
---|
1573 | |
---|
1574 | #Test centroids |
---|
1575 | quantity.set_values([1.,2.,3.,4.], location = 'centroids') |
---|
1576 | assert allclose(quantity.centroid_values, [1, 2, 3, 4]) #Centroid |
---|
1577 | |
---|
1578 | #Extrapolate |
---|
1579 | quantity.extrapolate_first_order() |
---|
1580 | |
---|
1581 | #Check that gradient is zero |
---|
1582 | a,b = quantity.get_gradients() |
---|
1583 | assert allclose(a, [0,0,0,0]) |
---|
1584 | assert allclose(b, [0,0,0,0]) |
---|
1585 | |
---|
1586 | #Check vertices but not edge values |
---|
1587 | assert allclose(quantity.vertex_values, |
---|
1588 | [[1,1,1], [2,2,2], [3,3,3], [4, 4, 4]]) |
---|
1589 | |
---|
1590 | |
---|
1591 | def test_second_order_extrapolator(self): |
---|
1592 | quantity = Quantity(self.mesh4) |
---|
1593 | |
---|
1594 | #Set up for a gradient of (3,0) at mid triangle |
---|
1595 | quantity.set_values([2.0, 4.0, 8.0, 2.0], |
---|
1596 | location = 'centroids') |
---|
1597 | |
---|
1598 | |
---|
1599 | |
---|
1600 | quantity.extrapolate_second_order() |
---|
1601 | quantity.limit() |
---|
1602 | |
---|
1603 | |
---|
1604 | #Assert that central triangle is limited by neighbours |
---|
1605 | assert quantity.vertex_values[1,0] >= quantity.vertex_values[0,0] |
---|
1606 | assert quantity.vertex_values[1,0] >= quantity.vertex_values[3,1] |
---|
1607 | |
---|
1608 | assert quantity.vertex_values[1,1] <= quantity.vertex_values[2,1] |
---|
1609 | assert quantity.vertex_values[1,1] >= quantity.vertex_values[0,2] |
---|
1610 | |
---|
1611 | assert quantity.vertex_values[1,2] <= quantity.vertex_values[2,0] |
---|
1612 | assert quantity.vertex_values[1,2] >= quantity.vertex_values[3,1] |
---|
1613 | |
---|
1614 | |
---|
1615 | #Assert that quantities are conserved |
---|
1616 | from Numeric import sum |
---|
1617 | for k in range(quantity.centroid_values.shape[0]): |
---|
1618 | assert allclose (quantity.centroid_values[k], |
---|
1619 | sum(quantity.vertex_values[k,:])/3) |
---|
1620 | |
---|
1621 | |
---|
1622 | |
---|
1623 | |
---|
1624 | |
---|
1625 | def test_limit_vertices_by_all_neighbours(self): |
---|
1626 | quantity = Quantity(self.mesh4) |
---|
1627 | |
---|
1628 | #Create a deliberate overshoot (e.g. from gradient computation) |
---|
1629 | quantity.set_values([[3,0,3], [2,2,6], [5,3,8], [8,3,5]]) |
---|
1630 | |
---|
1631 | |
---|
1632 | #Limit |
---|
1633 | quantity.limit_vertices_by_all_neighbours() |
---|
1634 | |
---|
1635 | #Assert that central triangle is limited by neighbours |
---|
1636 | assert quantity.vertex_values[1,0] >= quantity.vertex_values[0,0] |
---|
1637 | assert quantity.vertex_values[1,0] <= quantity.vertex_values[3,1] |
---|
1638 | |
---|
1639 | assert quantity.vertex_values[1,1] <= quantity.vertex_values[2,1] |
---|
1640 | assert quantity.vertex_values[1,1] >= quantity.vertex_values[0,2] |
---|
1641 | |
---|
1642 | assert quantity.vertex_values[1,2] <= quantity.vertex_values[2,0] |
---|
1643 | assert quantity.vertex_values[1,2] <= quantity.vertex_values[3,1] |
---|
1644 | |
---|
1645 | |
---|
1646 | |
---|
1647 | #Assert that quantities are conserved |
---|
1648 | from Numeric import sum |
---|
1649 | for k in range(quantity.centroid_values.shape[0]): |
---|
1650 | assert allclose (quantity.centroid_values[k], |
---|
1651 | sum(quantity.vertex_values[k,:])/3) |
---|
1652 | |
---|
1653 | |
---|
1654 | |
---|
1655 | def test_limit_edges_by_all_neighbours(self): |
---|
1656 | quantity = Quantity(self.mesh4) |
---|
1657 | |
---|
1658 | #Create a deliberate overshoot (e.g. from gradient computation) |
---|
1659 | quantity.set_values([[3,0,3], [2,2,6], [5,3,8], [8,3,5]]) |
---|
1660 | |
---|
1661 | |
---|
1662 | #Limit |
---|
1663 | quantity.limit_edges_by_all_neighbours() |
---|
1664 | |
---|
1665 | #Assert that central triangle is limited by neighbours |
---|
1666 | assert quantity.edge_values[1,0] <= quantity.centroid_values[2] |
---|
1667 | assert quantity.edge_values[1,0] >= quantity.centroid_values[0] |
---|
1668 | |
---|
1669 | assert quantity.edge_values[1,1] <= quantity.centroid_values[2] |
---|
1670 | assert quantity.edge_values[1,1] >= quantity.centroid_values[0] |
---|
1671 | |
---|
1672 | assert quantity.edge_values[1,2] <= quantity.centroid_values[2] |
---|
1673 | assert quantity.edge_values[1,2] >= quantity.centroid_values[0] |
---|
1674 | |
---|
1675 | |
---|
1676 | |
---|
1677 | #Assert that quantities are conserved |
---|
1678 | from Numeric import sum |
---|
1679 | for k in range(quantity.centroid_values.shape[0]): |
---|
1680 | assert allclose (quantity.centroid_values[k], |
---|
1681 | sum(quantity.vertex_values[k,:])/3) |
---|
1682 | |
---|
1683 | |
---|
1684 | def test_limit_edges_by_neighbour(self): |
---|
1685 | quantity = Quantity(self.mesh4) |
---|
1686 | |
---|
1687 | #Create a deliberate overshoot (e.g. from gradient computation) |
---|
1688 | quantity.set_values([[3,0,3], [2,2,6], [5,3,8], [8,3,5]]) |
---|
1689 | |
---|
1690 | |
---|
1691 | #Limit |
---|
1692 | quantity.limit_edges_by_neighbour() |
---|
1693 | |
---|
1694 | #Assert that central triangle is limited by neighbours |
---|
1695 | assert quantity.edge_values[1,0] <= quantity.centroid_values[3] |
---|
1696 | assert quantity.edge_values[1,0] >= quantity.centroid_values[1] |
---|
1697 | |
---|
1698 | assert quantity.edge_values[1,1] <= quantity.centroid_values[2] |
---|
1699 | assert quantity.edge_values[1,1] >= quantity.centroid_values[1] |
---|
1700 | |
---|
1701 | assert quantity.edge_values[1,2] <= quantity.centroid_values[1] |
---|
1702 | assert quantity.edge_values[1,2] >= quantity.centroid_values[0] |
---|
1703 | |
---|
1704 | |
---|
1705 | |
---|
1706 | #Assert that quantities are conserved |
---|
1707 | from Numeric import sum |
---|
1708 | for k in range(quantity.centroid_values.shape[0]): |
---|
1709 | assert allclose (quantity.centroid_values[k], |
---|
1710 | sum(quantity.vertex_values[k,:])/3) |
---|
1711 | |
---|
1712 | def test_limiter2(self): |
---|
1713 | """Taken from test_shallow_water |
---|
1714 | """ |
---|
1715 | quantity = Quantity(self.mesh4) |
---|
1716 | quantity.domain.beta_w = 0.9 |
---|
1717 | |
---|
1718 | #Test centroids |
---|
1719 | quantity.set_values([2.,4.,8.,2.], location = 'centroids') |
---|
1720 | assert allclose(quantity.centroid_values, [2, 4, 8, 2]) #Centroid |
---|
1721 | |
---|
1722 | |
---|
1723 | #Extrapolate |
---|
1724 | quantity.extrapolate_second_order() |
---|
1725 | |
---|
1726 | assert allclose(quantity.vertex_values[1,:], [0.0, 6, 6]) |
---|
1727 | |
---|
1728 | #Limit |
---|
1729 | quantity.limit() |
---|
1730 | |
---|
1731 | # limited value for beta_w = 0.9 |
---|
1732 | |
---|
1733 | assert allclose(quantity.vertex_values[1,:], [2.2, 4.9, 4.9]) |
---|
1734 | # limited values for beta_w = 0.5 |
---|
1735 | #assert allclose(quantity.vertex_values[1,:], [3.0, 4.5, 4.5]) |
---|
1736 | |
---|
1737 | |
---|
1738 | #Assert that quantities are conserved |
---|
1739 | from Numeric import sum |
---|
1740 | for k in range(quantity.centroid_values.shape[0]): |
---|
1741 | assert allclose (quantity.centroid_values[k], |
---|
1742 | sum(quantity.vertex_values[k,:])/3) |
---|
1743 | |
---|
1744 | |
---|
1745 | |
---|
1746 | |
---|
1747 | |
---|
1748 | def test_distribute_first_order(self): |
---|
1749 | quantity = Quantity(self.mesh4) |
---|
1750 | |
---|
1751 | #Test centroids |
---|
1752 | quantity.set_values([1.,2.,3.,4.], location = 'centroids') |
---|
1753 | assert allclose(quantity.centroid_values, [1, 2, 3, 4]) #Centroid |
---|
1754 | |
---|
1755 | |
---|
1756 | #Extrapolate from centroid to vertices and edges |
---|
1757 | quantity.extrapolate_first_order() |
---|
1758 | |
---|
1759 | #Interpolate |
---|
1760 | #quantity.interpolate_from_vertices_to_edges() |
---|
1761 | |
---|
1762 | assert allclose(quantity.vertex_values, |
---|
1763 | [[1,1,1], [2,2,2], [3,3,3], [4, 4, 4]]) |
---|
1764 | assert allclose(quantity.edge_values, [[1,1,1], [2,2,2], |
---|
1765 | [3,3,3], [4, 4, 4]]) |
---|
1766 | |
---|
1767 | |
---|
1768 | def test_interpolate_from_vertices_to_edges(self): |
---|
1769 | quantity = Quantity(self.mesh4) |
---|
1770 | |
---|
1771 | quantity.vertex_values = array([[1,0,2], [1,2,4], [4,2,5], [3,1,4]],Float) |
---|
1772 | |
---|
1773 | quantity.interpolate_from_vertices_to_edges() |
---|
1774 | |
---|
1775 | assert allclose(quantity.edge_values, [[1., 1.5, 0.5], |
---|
1776 | [3., 2.5, 1.5], |
---|
1777 | [3.5, 4.5, 3.], |
---|
1778 | [2.5, 3.5, 2]]) |
---|
1779 | |
---|
1780 | |
---|
1781 | def test_interpolate_from_edges_to_vertices(self): |
---|
1782 | quantity = Quantity(self.mesh4) |
---|
1783 | |
---|
1784 | quantity.edge_values = array([[1., 1.5, 0.5], |
---|
1785 | [3., 2.5, 1.5], |
---|
1786 | [3.5, 4.5, 3.], |
---|
1787 | [2.5, 3.5, 2]],Float) |
---|
1788 | |
---|
1789 | quantity.interpolate_from_edges_to_vertices() |
---|
1790 | |
---|
1791 | assert allclose(quantity.vertex_values, |
---|
1792 | [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]) |
---|
1793 | |
---|
1794 | |
---|
1795 | |
---|
1796 | def test_distribute_second_order(self): |
---|
1797 | quantity = Quantity(self.mesh4) |
---|
1798 | |
---|
1799 | #Test centroids |
---|
1800 | quantity.set_values([2.,4.,8.,2.], location = 'centroids') |
---|
1801 | assert allclose(quantity.centroid_values, [2, 4, 8, 2]) #Centroid |
---|
1802 | |
---|
1803 | |
---|
1804 | #Extrapolate |
---|
1805 | quantity.extrapolate_second_order() |
---|
1806 | |
---|
1807 | assert allclose(quantity.vertex_values[1,:], [0.0, 6, 6]) |
---|
1808 | |
---|
1809 | |
---|
1810 | def test_update_explicit(self): |
---|
1811 | quantity = Quantity(self.mesh4) |
---|
1812 | |
---|
1813 | #Test centroids |
---|
1814 | quantity.set_values([1.,2.,3.,4.], location = 'centroids') |
---|
1815 | assert allclose(quantity.centroid_values, [1, 2, 3, 4]) #Centroid |
---|
1816 | |
---|
1817 | #Set explicit_update |
---|
1818 | quantity.explicit_update = array( [1.,1.,1.,1.] ) |
---|
1819 | |
---|
1820 | #Update with given timestep |
---|
1821 | quantity.update(0.1) |
---|
1822 | |
---|
1823 | x = array([1, 2, 3, 4]) + array( [.1,.1,.1,.1] ) |
---|
1824 | assert allclose( quantity.centroid_values, x) |
---|
1825 | |
---|
1826 | def test_update_semi_implicit(self): |
---|
1827 | quantity = Quantity(self.mesh4) |
---|
1828 | |
---|
1829 | #Test centroids |
---|
1830 | quantity.set_values([1.,2.,3.,4.], location = 'centroids') |
---|
1831 | assert allclose(quantity.centroid_values, [1, 2, 3, 4]) #Centroid |
---|
1832 | |
---|
1833 | #Set semi implicit update |
---|
1834 | quantity.semi_implicit_update = array([1.,1.,1.,1.]) |
---|
1835 | |
---|
1836 | #Update with given timestep |
---|
1837 | timestep = 0.1 |
---|
1838 | quantity.update(timestep) |
---|
1839 | |
---|
1840 | sem = array([1.,1.,1.,1.])/array([1, 2, 3, 4]) |
---|
1841 | denom = ones(4, Float)-timestep*sem |
---|
1842 | |
---|
1843 | x = array([1, 2, 3, 4])/denom |
---|
1844 | assert allclose( quantity.centroid_values, x) |
---|
1845 | |
---|
1846 | |
---|
1847 | def test_both_updates(self): |
---|
1848 | quantity = Quantity(self.mesh4) |
---|
1849 | |
---|
1850 | #Test centroids |
---|
1851 | quantity.set_values([1.,2.,3.,4.], location = 'centroids') |
---|
1852 | assert allclose(quantity.centroid_values, [1, 2, 3, 4]) #Centroid |
---|
1853 | |
---|
1854 | #Set explicit_update |
---|
1855 | quantity.explicit_update = array( [4.,3.,2.,1.] ) |
---|
1856 | |
---|
1857 | #Set semi implicit update |
---|
1858 | quantity.semi_implicit_update = array( [1.,1.,1.,1.] ) |
---|
1859 | |
---|
1860 | #Update with given timestep |
---|
1861 | timestep = 0.1 |
---|
1862 | quantity.update(0.1) |
---|
1863 | |
---|
1864 | sem = array([1.,1.,1.,1.])/array([1, 2, 3, 4]) |
---|
1865 | denom = ones(4, Float)-timestep*sem |
---|
1866 | |
---|
1867 | x = array([1., 2., 3., 4.]) |
---|
1868 | x /= denom |
---|
1869 | x += timestep*array( [4.0, 3.0, 2.0, 1.0] ) |
---|
1870 | |
---|
1871 | assert allclose( quantity.centroid_values, x) |
---|
1872 | |
---|
1873 | |
---|
1874 | |
---|
1875 | |
---|
1876 | #Test smoothing |
---|
1877 | def test_smoothing(self): |
---|
1878 | |
---|
1879 | from mesh_factory import rectangular |
---|
1880 | from shallow_water import Domain, Transmissive_boundary |
---|
1881 | from Numeric import zeros, Float |
---|
1882 | from anuga.utilities.numerical_tools import mean |
---|
1883 | |
---|
1884 | #Create basic mesh |
---|
1885 | points, vertices, boundary = rectangular(2, 2) |
---|
1886 | |
---|
1887 | #Create shallow water domain |
---|
1888 | domain = Domain(points, vertices, boundary) |
---|
1889 | domain.default_order=2 |
---|
1890 | domain.reduction = mean |
---|
1891 | |
---|
1892 | |
---|
1893 | #Set some field values |
---|
1894 | domain.set_quantity('elevation', lambda x,y: x) |
---|
1895 | domain.set_quantity('friction', 0.03) |
---|
1896 | |
---|
1897 | |
---|
1898 | ###################### |
---|
1899 | # Boundary conditions |
---|
1900 | B = Transmissive_boundary(domain) |
---|
1901 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1902 | |
---|
1903 | |
---|
1904 | ###################### |
---|
1905 | #Initial condition - with jumps |
---|
1906 | |
---|
1907 | bed = domain.quantities['elevation'].vertex_values |
---|
1908 | stage = zeros(bed.shape, Float) |
---|
1909 | |
---|
1910 | h = 0.03 |
---|
1911 | for i in range(stage.shape[0]): |
---|
1912 | if i % 2 == 0: |
---|
1913 | stage[i,:] = bed[i,:] + h |
---|
1914 | else: |
---|
1915 | stage[i,:] = bed[i,:] |
---|
1916 | |
---|
1917 | domain.set_quantity('stage', stage) |
---|
1918 | |
---|
1919 | stage = domain.quantities['stage'] |
---|
1920 | |
---|
1921 | #Get smoothed stage |
---|
1922 | A, V = stage.get_vertex_values(xy=False, smooth=True) |
---|
1923 | Q = stage.vertex_values |
---|
1924 | |
---|
1925 | |
---|
1926 | assert A.shape[0] == 9 |
---|
1927 | assert V.shape[0] == 8 |
---|
1928 | assert V.shape[1] == 3 |
---|
1929 | |
---|
1930 | #First four points |
---|
1931 | assert allclose(A[0], (Q[0,2] + Q[1,1])/2) |
---|
1932 | assert allclose(A[1], (Q[1,0] + Q[3,1] + Q[2,2])/3) |
---|
1933 | assert allclose(A[2], Q[3,0]) |
---|
1934 | assert allclose(A[3], (Q[0,0] + Q[5,1] + Q[4,2])/3) |
---|
1935 | |
---|
1936 | #Center point |
---|
1937 | assert allclose(A[4], (Q[0,1] + Q[1,2] + Q[2,0] +\ |
---|
1938 | Q[5,0] + Q[6,2] + Q[7,1])/6) |
---|
1939 | |
---|
1940 | |
---|
1941 | #Check V |
---|
1942 | assert allclose(V[0,:], [3,4,0]) |
---|
1943 | assert allclose(V[1,:], [1,0,4]) |
---|
1944 | assert allclose(V[2,:], [4,5,1]) |
---|
1945 | assert allclose(V[3,:], [2,1,5]) |
---|
1946 | assert allclose(V[4,:], [6,7,3]) |
---|
1947 | assert allclose(V[5,:], [4,3,7]) |
---|
1948 | assert allclose(V[6,:], [7,8,4]) |
---|
1949 | assert allclose(V[7,:], [5,4,8]) |
---|
1950 | |
---|
1951 | #Get smoothed stage with XY |
---|
1952 | X, Y, A1, V1 = stage.get_vertex_values(xy=True, smooth=True) |
---|
1953 | |
---|
1954 | assert allclose(A, A1) |
---|
1955 | assert allclose(V, V1) |
---|
1956 | |
---|
1957 | #Check XY |
---|
1958 | assert allclose(X[4], 0.5) |
---|
1959 | assert allclose(Y[4], 0.5) |
---|
1960 | |
---|
1961 | assert allclose(X[7], 1.0) |
---|
1962 | assert allclose(Y[7], 0.5) |
---|
1963 | |
---|
1964 | |
---|
1965 | |
---|
1966 | |
---|
1967 | def test_vertex_values_no_smoothing(self): |
---|
1968 | |
---|
1969 | from mesh_factory import rectangular |
---|
1970 | from shallow_water import Domain, Transmissive_boundary |
---|
1971 | from Numeric import zeros, Float |
---|
1972 | from anuga.utilities.numerical_tools import mean |
---|
1973 | |
---|
1974 | |
---|
1975 | #Create basic mesh |
---|
1976 | points, vertices, boundary = rectangular(2, 2) |
---|
1977 | |
---|
1978 | #Create shallow water domain |
---|
1979 | domain = Domain(points, vertices, boundary) |
---|
1980 | domain.default_order=2 |
---|
1981 | domain.reduction = mean |
---|
1982 | |
---|
1983 | |
---|
1984 | #Set some field values |
---|
1985 | domain.set_quantity('elevation', lambda x,y: x) |
---|
1986 | domain.set_quantity('friction', 0.03) |
---|
1987 | |
---|
1988 | |
---|
1989 | ###################### |
---|
1990 | #Initial condition - with jumps |
---|
1991 | |
---|
1992 | bed = domain.quantities['elevation'].vertex_values |
---|
1993 | stage = zeros(bed.shape, Float) |
---|
1994 | |
---|
1995 | h = 0.03 |
---|
1996 | for i in range(stage.shape[0]): |
---|
1997 | if i % 2 == 0: |
---|
1998 | stage[i,:] = bed[i,:] + h |
---|
1999 | else: |
---|
2000 | stage[i,:] = bed[i,:] |
---|
2001 | |
---|
2002 | domain.set_quantity('stage', stage) |
---|
2003 | |
---|
2004 | #Get stage |
---|
2005 | stage = domain.quantities['stage'] |
---|
2006 | A, V = stage.get_vertex_values(xy=False, smooth=False) |
---|
2007 | Q = stage.vertex_values.flat |
---|
2008 | |
---|
2009 | for k in range(8): |
---|
2010 | assert allclose(A[k], Q[k]) |
---|
2011 | |
---|
2012 | |
---|
2013 | for k in range(8): |
---|
2014 | assert V[k, 0] == 3*k |
---|
2015 | assert V[k, 1] == 3*k+1 |
---|
2016 | assert V[k, 2] == 3*k+2 |
---|
2017 | |
---|
2018 | |
---|
2019 | |
---|
2020 | X, Y, A1, V1 = stage.get_vertex_values(xy=True, smooth=False) |
---|
2021 | |
---|
2022 | |
---|
2023 | assert allclose(A, A1) |
---|
2024 | assert allclose(V, V1) |
---|
2025 | |
---|
2026 | #Check XY |
---|
2027 | assert allclose(X[1], 0.5) |
---|
2028 | assert allclose(Y[1], 0.5) |
---|
2029 | assert allclose(X[4], 0.0) |
---|
2030 | assert allclose(Y[4], 0.0) |
---|
2031 | assert allclose(X[12], 1.0) |
---|
2032 | assert allclose(Y[12], 0.0) |
---|
2033 | |
---|
2034 | |
---|
2035 | |
---|
2036 | def set_array_values_by_index(self): |
---|
2037 | |
---|
2038 | from mesh_factory import rectangular |
---|
2039 | from shallow_water import Domain |
---|
2040 | from Numeric import zeros, Float |
---|
2041 | |
---|
2042 | #Create basic mesh |
---|
2043 | points, vertices, boundary = rectangular(1, 1) |
---|
2044 | |
---|
2045 | #Create shallow water domain |
---|
2046 | domain = Domain(points, vertices, boundary) |
---|
2047 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2048 | quantity = Quantity(domain,[[1,1,1],[2,2,2]]) |
---|
2049 | value = [7] |
---|
2050 | indices = [1] |
---|
2051 | quantity.set_array_values_by_index(value, |
---|
2052 | location = 'centroids', |
---|
2053 | indices = indices) |
---|
2054 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2055 | |
---|
2056 | assert allclose(quantity.centroid_values, [1,7]) |
---|
2057 | |
---|
2058 | quantity.set_array_values([15,20,25], indices = indices) |
---|
2059 | assert allclose(quantity.centroid_values, [1,20]) |
---|
2060 | |
---|
2061 | quantity.set_array_values([15,20,25], indices = indices) |
---|
2062 | assert allclose(quantity.centroid_values, [1,20]) |
---|
2063 | |
---|
2064 | def test_setting_some_vertex_values(self): |
---|
2065 | """ |
---|
2066 | set values based on triangle lists. |
---|
2067 | """ |
---|
2068 | from mesh_factory import rectangular |
---|
2069 | from shallow_water import Domain |
---|
2070 | from Numeric import zeros, Float |
---|
2071 | |
---|
2072 | #Create basic mesh |
---|
2073 | points, vertices, boundary = rectangular(1, 3) |
---|
2074 | #print "vertices",vertices |
---|
2075 | #Create shallow water domain |
---|
2076 | domain = Domain(points, vertices, boundary) |
---|
2077 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2078 | quantity = Quantity(domain,[[1,1,1],[2,2,2],[3,3,3], |
---|
2079 | [4,4,4],[5,5,5],[6,6,6]]) |
---|
2080 | |
---|
2081 | |
---|
2082 | # Check that constants work |
---|
2083 | value = 7 |
---|
2084 | indices = [1] |
---|
2085 | quantity.set_values(value, |
---|
2086 | location = 'centroids', |
---|
2087 | indices = indices) |
---|
2088 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2089 | assert allclose(quantity.centroid_values, [1,7,3,4,5,6]) |
---|
2090 | |
---|
2091 | value = [7] |
---|
2092 | indices = [1] |
---|
2093 | quantity.set_values(value, |
---|
2094 | location = 'centroids', |
---|
2095 | indices = indices) |
---|
2096 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2097 | assert allclose(quantity.centroid_values, [1,7,3,4,5,6]) |
---|
2098 | |
---|
2099 | value = [[15,20,25]] |
---|
2100 | quantity.set_values(value, indices = indices) |
---|
2101 | #print "1 quantity.vertex_values",quantity.vertex_values |
---|
2102 | assert allclose(quantity.vertex_values[1], value[0]) |
---|
2103 | |
---|
2104 | |
---|
2105 | #print "quantity",quantity.vertex_values |
---|
2106 | values = [10,100,50] |
---|
2107 | quantity.set_values(values, indices = [0,1,5], location = 'centroids') |
---|
2108 | #print "2 quantity.vertex_values",quantity.vertex_values |
---|
2109 | assert allclose(quantity.vertex_values[0], [10,10,10]) |
---|
2110 | assert allclose(quantity.vertex_values[5], [50,50,50]) |
---|
2111 | #quantity.interpolate() |
---|
2112 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2113 | assert allclose(quantity.centroid_values, [10,100,3,4,5,50]) |
---|
2114 | |
---|
2115 | |
---|
2116 | quantity = Quantity(domain,[[1,1,1],[2,2,2],[3,3,3], |
---|
2117 | [4,4,4],[5,5,5],[6,6,6]]) |
---|
2118 | values = [10,100,50] |
---|
2119 | #this will be per unique vertex, indexing the vertices |
---|
2120 | #print "quantity.vertex_values",quantity.vertex_values |
---|
2121 | quantity.set_values(values, indices = [0,1,5]) |
---|
2122 | #print "quantity.vertex_values",quantity.vertex_values |
---|
2123 | assert allclose(quantity.vertex_values[0], [1,50,10]) |
---|
2124 | assert allclose(quantity.vertex_values[5], [6,6,6]) |
---|
2125 | assert allclose(quantity.vertex_values[1], [100,10,50]) |
---|
2126 | |
---|
2127 | quantity = Quantity(domain,[[1,1,1],[2,2,2],[3,3,3], |
---|
2128 | [4,4,4],[5,5,5],[6,6,6]]) |
---|
2129 | values = [[31,30,29],[400,400,400],[1000,999,998]] |
---|
2130 | quantity.set_values(values, indices = [3,3,5]) |
---|
2131 | quantity.interpolate() |
---|
2132 | assert allclose(quantity.centroid_values, [1,2,3,400,5,999]) |
---|
2133 | |
---|
2134 | values = [[1,1,1],[2,2,2],[3,3,3], |
---|
2135 | [4,4,4],[5,5,5],[6,6,6]] |
---|
2136 | quantity.set_values(values) |
---|
2137 | |
---|
2138 | # testing the standard set values by vertex |
---|
2139 | # indexed by vertex_id in general_mesh.coordinates |
---|
2140 | values = [0,1,2,3,4,5,6,7] |
---|
2141 | |
---|
2142 | quantity.set_values(values) |
---|
2143 | #print "1 quantity.vertex_values",quantity.vertex_values |
---|
2144 | assert allclose(quantity.vertex_values,[[ 4., 5., 0.], |
---|
2145 | [ 1., 0., 5.], |
---|
2146 | [ 5., 6., 1.], |
---|
2147 | [ 2., 1., 6.], |
---|
2148 | [ 6., 7., 2.], |
---|
2149 | [ 3., 2., 7.]]) |
---|
2150 | |
---|
2151 | def test_setting_unique_vertex_values(self): |
---|
2152 | """ |
---|
2153 | set values based on unique_vertex lists. |
---|
2154 | """ |
---|
2155 | from mesh_factory import rectangular |
---|
2156 | from shallow_water import Domain |
---|
2157 | from Numeric import zeros, Float |
---|
2158 | |
---|
2159 | #Create basic mesh |
---|
2160 | points, vertices, boundary = rectangular(1, 3) |
---|
2161 | #print "vertices",vertices |
---|
2162 | #Create shallow water domain |
---|
2163 | domain = Domain(points, vertices, boundary) |
---|
2164 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2165 | quantity = Quantity(domain,[[0,0,0],[1,1,1],[2,2,2],[3,3,3], |
---|
2166 | [4,4,4],[5,5,5]]) |
---|
2167 | value = 7 |
---|
2168 | indices = [1,5] |
---|
2169 | quantity.set_values(value, |
---|
2170 | location = 'unique vertices', |
---|
2171 | indices = indices) |
---|
2172 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2173 | assert allclose(quantity.vertex_values[0], [0,7,0]) |
---|
2174 | assert allclose(quantity.vertex_values[1], [7,1,7]) |
---|
2175 | assert allclose(quantity.vertex_values[2], [7,2,7]) |
---|
2176 | |
---|
2177 | |
---|
2178 | def test_get_values(self): |
---|
2179 | """ |
---|
2180 | get values based on triangle lists. |
---|
2181 | """ |
---|
2182 | from mesh_factory import rectangular |
---|
2183 | from shallow_water import Domain |
---|
2184 | from Numeric import zeros, Float |
---|
2185 | |
---|
2186 | #Create basic mesh |
---|
2187 | points, vertices, boundary = rectangular(1, 3) |
---|
2188 | |
---|
2189 | #print "points",points |
---|
2190 | #print "vertices",vertices |
---|
2191 | #print "boundary",boundary |
---|
2192 | |
---|
2193 | #Create shallow water domain |
---|
2194 | domain = Domain(points, vertices, boundary) |
---|
2195 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2196 | quantity = Quantity(domain,[[0,0,0],[1,1,1],[2,2,2],[3,3,3], |
---|
2197 | [4,4,4],[5,5,5]]) |
---|
2198 | |
---|
2199 | #print "quantity.get_values(location = 'unique vertices')", \ |
---|
2200 | # quantity.get_values(location = 'unique vertices') |
---|
2201 | |
---|
2202 | #print "quantity.get_values(location = 'unique vertices')", \ |
---|
2203 | # quantity.get_values(indices=[0,1,2,3,4,5,6,7], \ |
---|
2204 | # location = 'unique vertices') |
---|
2205 | |
---|
2206 | answer = [0.5,2,4,5,0,1,3,4.5] |
---|
2207 | assert allclose(answer, |
---|
2208 | quantity.get_values(location = 'unique vertices')) |
---|
2209 | |
---|
2210 | indices = [0,5,3] |
---|
2211 | answer = [0.5,1,5] |
---|
2212 | assert allclose(answer, |
---|
2213 | quantity.get_values(indices=indices, \ |
---|
2214 | location = 'unique vertices')) |
---|
2215 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2216 | #print "quantity.get_values(location = 'centroids') ",\ |
---|
2217 | # quantity.get_values(location = 'centroids') |
---|
2218 | |
---|
2219 | |
---|
2220 | |
---|
2221 | |
---|
2222 | def test_get_values_2(self): |
---|
2223 | """Different mesh (working with domain object) - also check centroids. |
---|
2224 | """ |
---|
2225 | |
---|
2226 | |
---|
2227 | a = [0.0, 0.0] |
---|
2228 | b = [0.0, 2.0] |
---|
2229 | c = [2.0,0.0] |
---|
2230 | d = [0.0, 4.0] |
---|
2231 | e = [2.0, 2.0] |
---|
2232 | f = [4.0,0.0] |
---|
2233 | |
---|
2234 | points = [a, b, c, d, e, f] |
---|
2235 | #bac, bce, ecf, dbe |
---|
2236 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
2237 | |
---|
2238 | domain = Domain(points, vertices) |
---|
2239 | |
---|
2240 | quantity = Quantity(domain) |
---|
2241 | quantity.set_values(lambda x, y: x+2*y) #2 4 4 6 |
---|
2242 | |
---|
2243 | assert allclose(quantity.get_values(location='centroids'), [2,4,4,6]) |
---|
2244 | assert allclose(quantity.get_values(location='centroids', indices=[1,3]), [4,6]) |
---|
2245 | |
---|
2246 | |
---|
2247 | assert allclose(quantity.get_values(location='vertices'), [[4,0,2], |
---|
2248 | [4,2,6], |
---|
2249 | [6,2,4], |
---|
2250 | [8,4,6]]) |
---|
2251 | |
---|
2252 | assert allclose(quantity.get_values(location='vertices', indices=[1,3]), [[4,2,6], |
---|
2253 | [8,4,6]]) |
---|
2254 | |
---|
2255 | |
---|
2256 | assert allclose(quantity.get_values(location='edges'), [[1,3,2], |
---|
2257 | [4,5,3], |
---|
2258 | [3,5,4], |
---|
2259 | [5,7,6]]) |
---|
2260 | assert allclose(quantity.get_values(location='edges', indices=[1,3]), |
---|
2261 | [[4,5,3], |
---|
2262 | [5,7,6]]) |
---|
2263 | |
---|
2264 | # Check averaging over vertices |
---|
2265 | #a: 0 |
---|
2266 | #b: (4+4+4)/3 |
---|
2267 | #c: (2+2+2)/3 |
---|
2268 | #d: 8 |
---|
2269 | #e: (6+6+6)/3 |
---|
2270 | #f: 4 |
---|
2271 | assert(quantity.get_values(location='unique vertices'), [0, 4, 2, 8, 6, 4]) |
---|
2272 | |
---|
2273 | |
---|
2274 | |
---|
2275 | |
---|
2276 | |
---|
2277 | |
---|
2278 | def test_get_interpolated_values(self): |
---|
2279 | |
---|
2280 | from mesh_factory import rectangular |
---|
2281 | from shallow_water import Domain |
---|
2282 | from Numeric import zeros, Float |
---|
2283 | |
---|
2284 | #Create basic mesh |
---|
2285 | points, vertices, boundary = rectangular(1, 3) |
---|
2286 | domain = Domain(points, vertices, boundary) |
---|
2287 | |
---|
2288 | #Constant values |
---|
2289 | quantity = Quantity(domain,[[0,0,0],[1,1,1],[2,2,2],[3,3,3], |
---|
2290 | [4,4,4],[5,5,5]]) |
---|
2291 | |
---|
2292 | |
---|
2293 | |
---|
2294 | # Get interpolated values at centroids |
---|
2295 | interpolation_points = domain.get_centroid_coordinates() |
---|
2296 | answer = quantity.get_values(location='centroids') |
---|
2297 | |
---|
2298 | |
---|
2299 | #print quantity.get_values(points=interpolation_points) |
---|
2300 | assert allclose(answer, quantity.get_values(interpolation_points=interpolation_points)) |
---|
2301 | |
---|
2302 | |
---|
2303 | #Arbitrary values |
---|
2304 | quantity = Quantity(domain,[[0,1,2],[3,1,7],[2,1,2],[3,3,7], |
---|
2305 | [1,4,-9],[2,5,0]]) |
---|
2306 | |
---|
2307 | |
---|
2308 | # Get interpolated values at centroids |
---|
2309 | interpolation_points = domain.get_centroid_coordinates() |
---|
2310 | answer = quantity.get_values(location='centroids') |
---|
2311 | #print answer |
---|
2312 | #print quantity.get_values(points=interpolation_points) |
---|
2313 | assert allclose(answer, quantity.get_values(interpolation_points=interpolation_points)) |
---|
2314 | |
---|
2315 | |
---|
2316 | #FIXME TODO |
---|
2317 | #indices = [0,5,3] |
---|
2318 | #answer = [0.5,1,5] |
---|
2319 | #assert allclose(answer, |
---|
2320 | # quantity.get_values(indices=indices, \ |
---|
2321 | # location = 'unique vertices')) |
---|
2322 | |
---|
2323 | |
---|
2324 | |
---|
2325 | |
---|
2326 | def test_get_interpolated_values_2(self): |
---|
2327 | a = [0.0, 0.0] |
---|
2328 | b = [0.0, 2.0] |
---|
2329 | c = [2.0,0.0] |
---|
2330 | d = [0.0, 4.0] |
---|
2331 | e = [2.0, 2.0] |
---|
2332 | f = [4.0,0.0] |
---|
2333 | |
---|
2334 | points = [a, b, c, d, e, f] |
---|
2335 | #bac, bce, ecf, dbe |
---|
2336 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
2337 | |
---|
2338 | domain = Domain(points, vertices) |
---|
2339 | |
---|
2340 | quantity = Quantity(domain) |
---|
2341 | quantity.set_values(lambda x, y: x+2*y) #2 4 4 6 |
---|
2342 | |
---|
2343 | #First pick one point |
---|
2344 | x, y = 2.0/3, 8.0/3 |
---|
2345 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
2346 | assert allclose(v, 6) |
---|
2347 | |
---|
2348 | # Then another to test that algorithm won't blindly |
---|
2349 | # reuse interpolation matrix |
---|
2350 | x, y = 4.0/3, 4.0/3 |
---|
2351 | v = quantity.get_values(interpolation_points = [[x,y]]) |
---|
2352 | assert allclose(v, 4) |
---|
2353 | |
---|
2354 | |
---|
2355 | |
---|
2356 | |
---|
2357 | def test_getting_some_vertex_values(self): |
---|
2358 | """ |
---|
2359 | get values based on triangle lists. |
---|
2360 | """ |
---|
2361 | from mesh_factory import rectangular |
---|
2362 | from shallow_water import Domain |
---|
2363 | from Numeric import zeros, Float |
---|
2364 | |
---|
2365 | #Create basic mesh |
---|
2366 | points, vertices, boundary = rectangular(1, 3) |
---|
2367 | |
---|
2368 | #print "points",points |
---|
2369 | #print "vertices",vertices |
---|
2370 | #print "boundary",boundary |
---|
2371 | |
---|
2372 | #Create shallow water domain |
---|
2373 | domain = Domain(points, vertices, boundary) |
---|
2374 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2375 | quantity = Quantity(domain,[[1,1,1],[2,2,2],[3,3,3], |
---|
2376 | [4,4,4],[5,5,5],[6,6,6]]) |
---|
2377 | value = [7] |
---|
2378 | indices = [1] |
---|
2379 | quantity.set_values(value, |
---|
2380 | location = 'centroids', |
---|
2381 | indices = indices) |
---|
2382 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2383 | #print "quantity.get_values(location = 'centroids') ",\ |
---|
2384 | # quantity.get_values(location = 'centroids') |
---|
2385 | assert allclose(quantity.centroid_values, |
---|
2386 | quantity.get_values(location = 'centroids')) |
---|
2387 | |
---|
2388 | |
---|
2389 | value = [[15,20,25]] |
---|
2390 | quantity.set_values(value, indices = indices) |
---|
2391 | #print "1 quantity.vertex_values",quantity.vertex_values |
---|
2392 | assert allclose(quantity.vertex_values, quantity.get_values()) |
---|
2393 | |
---|
2394 | assert allclose(quantity.edge_values, |
---|
2395 | quantity.get_values(location = 'edges')) |
---|
2396 | |
---|
2397 | # get a subset of elements |
---|
2398 | subset = quantity.get_values(location='centroids', indices=[0,5]) |
---|
2399 | answer = [quantity.centroid_values[0],quantity.centroid_values[5]] |
---|
2400 | assert allclose(subset, answer) |
---|
2401 | |
---|
2402 | |
---|
2403 | subset = quantity.get_values(location='edges', indices=[0,5]) |
---|
2404 | answer = [quantity.edge_values[0],quantity.edge_values[5]] |
---|
2405 | #print "subset",subset |
---|
2406 | #print "answer",answer |
---|
2407 | assert allclose(subset, answer) |
---|
2408 | |
---|
2409 | subset = quantity.get_values( indices=[1,5]) |
---|
2410 | answer = [quantity.vertex_values[1],quantity.vertex_values[5]] |
---|
2411 | #print "subset",subset |
---|
2412 | #print "answer",answer |
---|
2413 | assert allclose(subset, answer) |
---|
2414 | |
---|
2415 | def test_smooth_vertex_values(self): |
---|
2416 | """ |
---|
2417 | get values based on triangle lists. |
---|
2418 | """ |
---|
2419 | from mesh_factory import rectangular |
---|
2420 | from shallow_water import Domain |
---|
2421 | from Numeric import zeros, Float |
---|
2422 | |
---|
2423 | #Create basic mesh |
---|
2424 | points, vertices, boundary = rectangular(2, 2) |
---|
2425 | |
---|
2426 | #print "points",points |
---|
2427 | #print "vertices",vertices |
---|
2428 | #print "boundary",boundary |
---|
2429 | |
---|
2430 | #Create shallow water domain |
---|
2431 | domain = Domain(points, vertices, boundary) |
---|
2432 | #print "domain.number_of_elements ",domain.number_of_elements |
---|
2433 | quantity = Quantity(domain,[[0,0,0],[1,1,1],[2,2,2],[3,3,3], |
---|
2434 | [4,4,4],[5,5,5],[6,6,6],[7,7,7]]) |
---|
2435 | |
---|
2436 | #print "quantity.get_values(location = 'unique vertices')", \ |
---|
2437 | # quantity.get_values(location = 'unique vertices') |
---|
2438 | |
---|
2439 | #print "quantity.get_values(location = 'unique vertices')", \ |
---|
2440 | # quantity.get_values(indices=[0,1,2,3,4,5,6,7], \ |
---|
2441 | # location = 'unique vertices') |
---|
2442 | |
---|
2443 | #print quantity.get_values(location = 'unique vertices') |
---|
2444 | #print quantity.domain.number_of_triangles_per_node |
---|
2445 | #print quantity.vertex_values |
---|
2446 | |
---|
2447 | #answer = [0.5, 2, 3, 3, 3.5, 4, 4, 5, 6.5] |
---|
2448 | #assert allclose(answer, |
---|
2449 | # quantity.get_values(location = 'unique vertices')) |
---|
2450 | |
---|
2451 | quantity.smooth_vertex_values() |
---|
2452 | |
---|
2453 | #print quantity.vertex_values |
---|
2454 | |
---|
2455 | |
---|
2456 | answer_vertex_values = [[3,3.5,0.5],[2,0.5,3.5],[3.5,4,2],[3,2,4], |
---|
2457 | [4,5,3],[3.5,3,5],[5,6.5,3.5],[4,3.5,6.5]] |
---|
2458 | |
---|
2459 | assert allclose(answer_vertex_values, |
---|
2460 | quantity.vertex_values) |
---|
2461 | #print "quantity.centroid_values",quantity.centroid_values |
---|
2462 | #print "quantity.get_values(location = 'centroids') ",\ |
---|
2463 | # quantity.get_values(location = 'centroids') |
---|
2464 | |
---|
2465 | |
---|
2466 | |
---|
2467 | #------------------------------------------------------------- |
---|
2468 | if __name__ == "__main__": |
---|
2469 | suite = unittest.makeSuite(Test_Quantity, 'test') |
---|
2470 | #suite = unittest.makeSuite(Test_Quantity, 'test_set_values_from_file_using_polygon') |
---|
2471 | |
---|
2472 | #suite = unittest.makeSuite(Test_Quantity, 'test_set_vertex_values_using_general_interface_with_subset') |
---|
2473 | #print "restricted test" |
---|
2474 | #suite = unittest.makeSuite(Test_Quantity,'verbose_test_set_values_from_UTM_pts') |
---|
2475 | runner = unittest.TextTestRunner() |
---|
2476 | runner.run(suite) |
---|