[5897] | 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | |
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| 4 | import unittest |
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| 5 | from math import sqrt, pi |
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| 6 | import tempfile, os |
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| 7 | from os import access, F_OK,sep, removedirs,remove,mkdir,getcwd |
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| 8 | |
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| 9 | from anuga.abstract_2d_finite_volumes.util import * |
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| 10 | from anuga.config import epsilon |
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[7735] | 11 | from anuga.config import netcdf_mode_r, netcdf_mode_w, netcdf_mode_a |
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[7776] | 12 | from anuga.file_conversion.file_conversion import timefile2netcdf |
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[7735] | 13 | from anuga.utilities.file_utils import del_dir |
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[5897] | 14 | |
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| 15 | from anuga.utilities.numerical_tools import NAN |
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| 16 | |
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| 17 | from sys import platform |
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| 18 | |
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| 19 | from anuga.pmesh.mesh import Mesh |
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[7780] | 20 | import time |
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| 21 | from mesh_factory import rectangular |
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| 22 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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[7778] | 23 | from anuga.shallow_water.shallow_water_domain import Domain |
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[7780] | 24 | from generic_boundary_conditions import \ |
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| 25 | Transmissive_boundary, Dirichlet_boundary |
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[7776] | 26 | from anuga.file.sww import SWW_file |
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[5897] | 27 | from csv import reader,writer |
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| 28 | import time |
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| 29 | import string |
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| 30 | |
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[7276] | 31 | import numpy as num |
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[6145] | 32 | |
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| 33 | |
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[5897] | 34 | def test_function(x, y): |
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| 35 | return x+y |
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| 36 | |
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| 37 | class Test_Util(unittest.TestCase): |
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| 38 | def setUp(self): |
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| 39 | pass |
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| 40 | |
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| 41 | def tearDown(self): |
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| 42 | pass |
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| 43 | |
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| 44 | |
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| 45 | |
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| 46 | |
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| 47 | #Geometric |
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| 48 | #def test_distance(self): |
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| 49 | # from anuga.abstract_2d_finite_volumes.util import distance# |
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| 50 | # |
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| 51 | # self.failUnless( distance([4,2],[7,6]) == 5.0, |
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| 52 | # 'Distance is wrong!') |
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| 53 | # self.failUnless( allclose(distance([7,6],[9,8]), 2.82842712475), |
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| 54 | # 'distance is wrong!') |
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| 55 | # self.failUnless( allclose(distance([9,8],[4,2]), 7.81024967591), |
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| 56 | # 'distance is wrong!') |
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| 57 | # |
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| 58 | # self.failUnless( distance([9,8],[4,2]) == distance([4,2],[9,8]), |
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| 59 | # 'distance is wrong!') |
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| 60 | |
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| 61 | |
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| 62 | def test_file_function_time1(self): |
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| 63 | """Test that File function interpolates correctly |
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| 64 | between given times. No x,y dependency here. |
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| 65 | """ |
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| 66 | |
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| 67 | #Write file |
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| 68 | import os, time |
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| 69 | from anuga.config import time_format |
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| 70 | from math import sin, pi |
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| 71 | |
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| 72 | #Typical ASCII file |
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| 73 | finaltime = 1200 |
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| 74 | filename = 'test_file_function' |
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| 75 | fid = open(filename + '.txt', 'w') |
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| 76 | start = time.mktime(time.strptime('2000', '%Y')) |
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| 77 | dt = 60 #One minute intervals |
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| 78 | t = 0.0 |
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| 79 | while t <= finaltime: |
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| 80 | t_string = time.strftime(time_format, time.gmtime(t+start)) |
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| 81 | fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600))) |
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| 82 | t += dt |
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| 83 | |
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| 84 | fid.close() |
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| 85 | |
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| 86 | #Convert ASCII file to NetCDF (Which is what we really like!) |
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| 87 | timefile2netcdf(filename) |
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| 88 | |
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| 89 | |
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| 90 | #Create file function from time series |
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| 91 | F = file_function(filename + '.tms', |
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| 92 | quantities = ['Attribute0', |
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| 93 | 'Attribute1', |
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| 94 | 'Attribute2']) |
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| 95 | |
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| 96 | #Now try interpolation |
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| 97 | for i in range(20): |
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| 98 | t = i*10 |
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| 99 | q = F(t) |
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| 100 | |
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| 101 | #Exact linear intpolation |
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[6145] | 102 | assert num.allclose(q[0], 2*t) |
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[5897] | 103 | if i%6 == 0: |
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[6145] | 104 | assert num.allclose(q[1], t**2) |
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| 105 | assert num.allclose(q[2], sin(t*pi/600)) |
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[5897] | 106 | |
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| 107 | #Check non-exact |
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| 108 | |
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| 109 | t = 90 #Halfway between 60 and 120 |
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| 110 | q = F(t) |
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[6145] | 111 | assert num.allclose( (120**2 + 60**2)/2, q[1] ) |
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| 112 | assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] ) |
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[5897] | 113 | |
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| 114 | |
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| 115 | t = 100 #Two thirds of the way between between 60 and 120 |
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| 116 | q = F(t) |
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[6145] | 117 | assert num.allclose( 2*120**2/3 + 60**2/3, q[1] ) |
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| 118 | assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] ) |
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[5897] | 119 | |
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| 120 | os.remove(filename + '.txt') |
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| 121 | os.remove(filename + '.tms') |
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| 122 | |
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| 123 | |
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| 124 | |
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| 125 | def test_spatio_temporal_file_function_basic(self): |
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| 126 | """Test that spatio temporal file function performs the correct |
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| 127 | interpolations in both time and space |
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| 128 | NetCDF version (x,y,t dependency) |
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| 129 | """ |
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| 130 | import time |
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| 131 | |
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| 132 | #Create sww file of simple propagation from left to right |
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| 133 | #through rectangular domain |
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| 134 | |
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| 135 | #Create basic mesh and shallow water domain |
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| 136 | points, vertices, boundary = rectangular(3, 3) |
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| 137 | domain1 = Domain(points, vertices, boundary) |
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| 138 | |
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| 139 | from anuga.utilities.numerical_tools import mean |
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| 140 | domain1.reduction = mean |
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| 141 | domain1.smooth = True #NOTE: Mimic sww output where each vertex has |
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| 142 | # only one value. |
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| 143 | |
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| 144 | domain1.default_order = 2 |
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| 145 | domain1.store = True |
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| 146 | domain1.set_datadir('.') |
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[7562] | 147 | sww_file = 'spatio_temporal_boundary_source_%d' %(id(self)) |
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| 148 | domain1.set_name(sww_file) |
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[5897] | 149 | |
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| 150 | #Bed-slope, friction and IC at vertices (and interpolated elsewhere) |
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| 151 | domain1.set_quantity('elevation', 0) |
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| 152 | domain1.set_quantity('friction', 0) |
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| 153 | domain1.set_quantity('stage', 0) |
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| 154 | |
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| 155 | # Boundary conditions |
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| 156 | B0 = Dirichlet_boundary([0,0,0]) |
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| 157 | B6 = Dirichlet_boundary([0.6,0,0]) |
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| 158 | domain1.set_boundary({'left': B6, 'top': B6, 'right': B0, 'bottom': B0}) |
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| 159 | domain1.check_integrity() |
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| 160 | |
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| 161 | finaltime = 8 |
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| 162 | #Evolution |
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| 163 | t0 = -1 |
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| 164 | for t in domain1.evolve(yieldstep = 0.1, finaltime = finaltime): |
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| 165 | #print 'Timesteps: %.16f, %.16f' %(t0, t) |
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| 166 | #if t == t0: |
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| 167 | # msg = 'Duplicate timestep found: %f, %f' %(t0, t) |
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| 168 | # raise msg |
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| 169 | t0 = t |
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| 170 | |
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| 171 | #domain1.write_time() |
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| 172 | |
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| 173 | |
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| 174 | #Now read data from sww and check |
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| 175 | from Scientific.IO.NetCDF import NetCDFFile |
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[7340] | 176 | filename = domain1.get_name() + '.sww' |
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[5897] | 177 | fid = NetCDFFile(filename) |
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| 178 | |
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| 179 | x = fid.variables['x'][:] |
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| 180 | y = fid.variables['y'][:] |
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| 181 | stage = fid.variables['stage'][:] |
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| 182 | xmomentum = fid.variables['xmomentum'][:] |
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| 183 | ymomentum = fid.variables['ymomentum'][:] |
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| 184 | time = fid.variables['time'][:] |
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| 185 | |
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| 186 | #Take stage vertex values at last timestep on diagonal |
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| 187 | #Diagonal is identified by vertices: 0, 5, 10, 15 |
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| 188 | |
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| 189 | last_time_index = len(time)-1 #Last last_time_index |
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[7276] | 190 | d_stage = num.reshape(num.take(stage[last_time_index, :], |
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| 191 | [0,5,10,15], |
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| 192 | axis=0), |
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| 193 | (4,1)) |
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| 194 | d_uh = num.reshape(num.take(xmomentum[last_time_index, :], |
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| 195 | [0,5,10,15], |
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| 196 | axis=0), |
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| 197 | (4,1)) |
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| 198 | d_vh = num.reshape(num.take(ymomentum[last_time_index, :], |
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| 199 | [0,5,10,15], |
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| 200 | axis=0), |
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| 201 | (4,1)) |
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[6171] | 202 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 203 | |
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| 204 | #Reference interpolated values at midpoints on diagonal at |
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| 205 | #this timestep are |
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| 206 | r0 = (D[0] + D[1])/2 |
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| 207 | r1 = (D[1] + D[2])/2 |
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| 208 | r2 = (D[2] + D[3])/2 |
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| 209 | |
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| 210 | #And the midpoints are found now |
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[7276] | 211 | Dx = num.take(num.reshape(x, (16,1)), [0,5,10,15], axis=0) |
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| 212 | Dy = num.take(num.reshape(y, (16,1)), [0,5,10,15], axis=0) |
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[5897] | 213 | |
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[6145] | 214 | diag = num.concatenate( (Dx, Dy), axis=1) |
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[5897] | 215 | d_midpoints = (diag[1:] + diag[:-1])/2 |
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| 216 | |
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| 217 | #Let us see if the file function can find the correct |
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| 218 | #values at the midpoints at the last timestep: |
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| 219 | f = file_function(filename, domain1, |
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| 220 | interpolation_points = d_midpoints) |
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| 221 | |
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| 222 | T = f.get_time() |
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| 223 | msg = 'duplicate timesteps: %.16f and %.16f' %(T[-1], T[-2]) |
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| 224 | assert not T[-1] == T[-2], msg |
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| 225 | t = time[last_time_index] |
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[6145] | 226 | q = f(t, point_id=0); assert num.allclose(r0, q) |
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| 227 | q = f(t, point_id=1); assert num.allclose(r1, q) |
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| 228 | q = f(t, point_id=2); assert num.allclose(r2, q) |
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[5897] | 229 | |
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| 230 | |
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| 231 | ################## |
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| 232 | #Now do the same for the first timestep |
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| 233 | |
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| 234 | timestep = 0 #First timestep |
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[7276] | 235 | d_stage = num.reshape(num.take(stage[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 236 | d_uh = num.reshape(num.take(xmomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 237 | d_vh = num.reshape(num.take(ymomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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[6171] | 238 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 239 | |
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| 240 | #Reference interpolated values at midpoints on diagonal at |
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| 241 | #this timestep are |
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| 242 | r0 = (D[0] + D[1])/2 |
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| 243 | r1 = (D[1] + D[2])/2 |
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| 244 | r2 = (D[2] + D[3])/2 |
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| 245 | |
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| 246 | #Let us see if the file function can find the correct |
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| 247 | #values |
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[6145] | 248 | q = f(0, point_id=0); assert num.allclose(r0, q) |
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| 249 | q = f(0, point_id=1); assert num.allclose(r1, q) |
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| 250 | q = f(0, point_id=2); assert num.allclose(r2, q) |
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[5897] | 251 | |
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| 252 | |
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| 253 | ################## |
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| 254 | #Now do it again for a timestep in the middle |
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| 255 | |
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| 256 | timestep = 33 |
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[7276] | 257 | d_stage = num.reshape(num.take(stage[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 258 | d_uh = num.reshape(num.take(xmomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 259 | d_vh = num.reshape(num.take(ymomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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[6171] | 260 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 261 | |
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| 262 | #Reference interpolated values at midpoints on diagonal at |
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| 263 | #this timestep are |
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| 264 | r0 = (D[0] + D[1])/2 |
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| 265 | r1 = (D[1] + D[2])/2 |
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| 266 | r2 = (D[2] + D[3])/2 |
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| 267 | |
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[6145] | 268 | q = f(timestep/10., point_id=0); assert num.allclose(r0, q) |
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| 269 | q = f(timestep/10., point_id=1); assert num.allclose(r1, q) |
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| 270 | q = f(timestep/10., point_id=2); assert num.allclose(r2, q) |
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[5897] | 271 | |
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| 272 | |
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| 273 | ################## |
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| 274 | #Now check temporal interpolation |
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| 275 | #Halfway between timestep 15 and 16 |
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| 276 | |
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| 277 | timestep = 15 |
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[7276] | 278 | d_stage = num.reshape(num.take(stage[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 279 | d_uh = num.reshape(num.take(xmomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 280 | d_vh = num.reshape(num.take(ymomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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[6171] | 281 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 282 | |
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| 283 | #Reference interpolated values at midpoints on diagonal at |
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| 284 | #this timestep are |
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| 285 | r0_0 = (D[0] + D[1])/2 |
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| 286 | r1_0 = (D[1] + D[2])/2 |
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| 287 | r2_0 = (D[2] + D[3])/2 |
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| 288 | |
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| 289 | # |
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| 290 | timestep = 16 |
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[7276] | 291 | d_stage = num.reshape(num.take(stage[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 292 | d_uh = num.reshape(num.take(xmomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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| 293 | d_vh = num.reshape(num.take(ymomentum[timestep, :], [0,5,10,15], axis=0), (4,1)) |
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[6171] | 294 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 295 | |
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| 296 | #Reference interpolated values at midpoints on diagonal at |
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| 297 | #this timestep are |
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| 298 | r0_1 = (D[0] + D[1])/2 |
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| 299 | r1_1 = (D[1] + D[2])/2 |
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| 300 | r2_1 = (D[2] + D[3])/2 |
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| 301 | |
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| 302 | # The reference values are |
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| 303 | r0 = (r0_0 + r0_1)/2 |
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| 304 | r1 = (r1_0 + r1_1)/2 |
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| 305 | r2 = (r2_0 + r2_1)/2 |
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| 306 | |
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[6145] | 307 | q = f((timestep - 0.5)/10., point_id=0); assert num.allclose(r0, q) |
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| 308 | q = f((timestep - 0.5)/10., point_id=1); assert num.allclose(r1, q) |
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| 309 | q = f((timestep - 0.5)/10., point_id=2); assert num.allclose(r2, q) |
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[5897] | 310 | |
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| 311 | ################## |
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| 312 | #Finally check interpolation 2 thirds of the way |
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| 313 | #between timestep 15 and 16 |
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| 314 | |
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| 315 | # The reference values are |
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| 316 | r0 = (r0_0 + 2*r0_1)/3 |
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| 317 | r1 = (r1_0 + 2*r1_1)/3 |
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| 318 | r2 = (r2_0 + 2*r2_1)/3 |
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| 319 | |
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| 320 | #And the file function gives |
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[6145] | 321 | q = f((timestep - 1.0/3)/10., point_id=0); assert num.allclose(r0, q) |
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| 322 | q = f((timestep - 1.0/3)/10., point_id=1); assert num.allclose(r1, q) |
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| 323 | q = f((timestep - 1.0/3)/10., point_id=2); assert num.allclose(r2, q) |
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[5897] | 324 | |
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| 325 | fid.close() |
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| 326 | import os |
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| 327 | os.remove(filename) |
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| 328 | |
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| 329 | |
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| 330 | |
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| 331 | def test_spatio_temporal_file_function_different_origin(self): |
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| 332 | """Test that spatio temporal file function performs the correct |
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| 333 | interpolations in both time and space where space is offset by |
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| 334 | xllcorner and yllcorner |
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| 335 | NetCDF version (x,y,t dependency) |
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| 336 | """ |
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| 337 | xllcorner = 2048 |
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| 338 | yllcorner = 11000 |
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| 339 | zone = 2 |
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| 340 | |
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| 341 | #Create basic mesh and shallow water domain |
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| 342 | points, vertices, boundary = rectangular(3, 3) |
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| 343 | domain1 = Domain(points, vertices, boundary, |
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| 344 | geo_reference = Geo_reference(xllcorner = xllcorner, |
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| 345 | yllcorner = yllcorner)) |
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| 346 | |
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| 347 | |
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| 348 | from anuga.utilities.numerical_tools import mean |
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| 349 | domain1.reduction = mean |
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| 350 | domain1.smooth = True #NOTE: Mimic sww output where each vertex has |
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| 351 | # only one value. |
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| 352 | |
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| 353 | domain1.default_order = 2 |
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| 354 | domain1.store = True |
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| 355 | domain1.set_datadir('.') |
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| 356 | domain1.set_name('spatio_temporal_boundary_source_%d' %(id(self))) |
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| 357 | |
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| 358 | #Bed-slope, friction and IC at vertices (and interpolated elsewhere) |
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| 359 | domain1.set_quantity('elevation', 0) |
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| 360 | domain1.set_quantity('friction', 0) |
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| 361 | domain1.set_quantity('stage', 0) |
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| 362 | |
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| 363 | # Boundary conditions |
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| 364 | B0 = Dirichlet_boundary([0,0,0]) |
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| 365 | B6 = Dirichlet_boundary([0.6,0,0]) |
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| 366 | domain1.set_boundary({'left': B6, 'top': B6, 'right': B0, 'bottom': B0}) |
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| 367 | domain1.check_integrity() |
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| 368 | |
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| 369 | finaltime = 8 |
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| 370 | #Evolution |
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| 371 | for t in domain1.evolve(yieldstep = 0.1, finaltime = finaltime): |
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| 372 | pass |
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| 373 | #domain1.write_time() |
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| 374 | |
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| 375 | |
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| 376 | #Now read data from sww and check |
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| 377 | from Scientific.IO.NetCDF import NetCDFFile |
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[7340] | 378 | filename = domain1.get_name() + '.sww' |
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[5897] | 379 | fid = NetCDFFile(filename) |
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| 380 | |
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| 381 | x = fid.variables['x'][:] |
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| 382 | y = fid.variables['y'][:] |
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[7276] | 383 | # we 'cast' to 64 bit floats to pass this test |
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| 384 | # SWW file quantities are stored as 32 bits |
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| 385 | x = num.array(x, num.float) |
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| 386 | y = num.array(y, num.float) |
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| 387 | |
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[5897] | 388 | stage = fid.variables['stage'][:] |
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| 389 | xmomentum = fid.variables['xmomentum'][:] |
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| 390 | ymomentum = fid.variables['ymomentum'][:] |
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| 391 | time = fid.variables['time'][:] |
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| 392 | |
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| 393 | #Take stage vertex values at last timestep on diagonal |
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| 394 | #Diagonal is identified by vertices: 0, 5, 10, 15 |
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| 395 | |
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| 396 | last_time_index = len(time)-1 #Last last_time_index |
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[7276] | 397 | d_stage = num.reshape(num.take(stage[last_time_index, :], |
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| 398 | [0,5,10,15], |
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| 399 | axis=0), |
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| 400 | (4,1)) |
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| 401 | d_uh = num.reshape(num.take(xmomentum[last_time_index, :], |
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| 402 | [0,5,10,15], |
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| 403 | axis=0), |
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| 404 | (4,1)) |
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| 405 | d_vh = num.reshape(num.take(ymomentum[last_time_index, :], |
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| 406 | [0,5,10,15], |
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| 407 | axis=0), |
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| 408 | (4,1)) |
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[6171] | 409 | D = num.concatenate((d_stage, d_uh, d_vh), axis=1) |
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[5897] | 410 | |
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| 411 | #Reference interpolated values at midpoints on diagonal at |
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| 412 | #this timestep are |
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| 413 | r0 = (D[0] + D[1])/2 |
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| 414 | r1 = (D[1] + D[2])/2 |
---|
| 415 | r2 = (D[2] + D[3])/2 |
---|
| 416 | |
---|
| 417 | #And the midpoints are found now |
---|
[7276] | 418 | Dx = num.take(num.reshape(x, (16,1)), [0,5,10,15], axis=0) |
---|
| 419 | Dy = num.take(num.reshape(y, (16,1)), [0,5,10,15], axis=0) |
---|
[5897] | 420 | |
---|
[7276] | 421 | diag = num.concatenate((Dx, Dy), axis=1) |
---|
[5897] | 422 | d_midpoints = (diag[1:] + diag[:-1])/2 |
---|
| 423 | |
---|
| 424 | |
---|
| 425 | #Adjust for georef - make interpolation points absolute |
---|
| 426 | d_midpoints[:,0] += xllcorner |
---|
| 427 | d_midpoints[:,1] += yllcorner |
---|
| 428 | |
---|
| 429 | #Let us see if the file function can find the correct |
---|
| 430 | #values at the midpoints at the last timestep: |
---|
| 431 | f = file_function(filename, domain1, |
---|
| 432 | interpolation_points = d_midpoints) |
---|
| 433 | |
---|
| 434 | t = time[last_time_index] |
---|
| 435 | |
---|
[7276] | 436 | q = f(t, point_id=0) |
---|
| 437 | msg = '\nr0=%s\nq=%s' % (str(r0), str(q)) |
---|
| 438 | assert num.allclose(r0, q), msg |
---|
[5897] | 439 | |
---|
[7276] | 440 | q = f(t, point_id=1) |
---|
| 441 | msg = '\nr1=%s\nq=%s' % (str(r1), str(q)) |
---|
| 442 | assert num.allclose(r1, q), msg |
---|
| 443 | |
---|
| 444 | q = f(t, point_id=2) |
---|
| 445 | msg = '\nr2=%s\nq=%s' % (str(r2), str(q)) |
---|
| 446 | assert num.allclose(r2, q), msg |
---|
| 447 | |
---|
| 448 | |
---|
[5897] | 449 | ################## |
---|
| 450 | #Now do the same for the first timestep |
---|
| 451 | |
---|
| 452 | timestep = 0 #First timestep |
---|
[7276] | 453 | d_stage = num.reshape(num.take(stage[timestep, :], |
---|
| 454 | [0,5,10,15], |
---|
| 455 | axis=0), |
---|
| 456 | (4,1)) |
---|
| 457 | d_uh = num.reshape(num.take(xmomentum[timestep, :], |
---|
| 458 | [0,5,10,15], |
---|
| 459 | axis=0), |
---|
| 460 | (4,1)) |
---|
| 461 | d_vh = num.reshape(num.take(ymomentum[timestep, :], |
---|
| 462 | [0,5,10,15], |
---|
| 463 | axis=0), |
---|
| 464 | (4,1)) |
---|
[6145] | 465 | D = num.concatenate( (d_stage, d_uh, d_vh), axis=1) |
---|
[5897] | 466 | |
---|
| 467 | #Reference interpolated values at midpoints on diagonal at |
---|
| 468 | #this timestep are |
---|
| 469 | r0 = (D[0] + D[1])/2 |
---|
| 470 | r1 = (D[1] + D[2])/2 |
---|
| 471 | r2 = (D[2] + D[3])/2 |
---|
| 472 | |
---|
| 473 | #Let us see if the file function can find the correct |
---|
| 474 | #values |
---|
[6145] | 475 | q = f(0, point_id=0); assert num.allclose(r0, q) |
---|
| 476 | q = f(0, point_id=1); assert num.allclose(r1, q) |
---|
| 477 | q = f(0, point_id=2); assert num.allclose(r2, q) |
---|
[5897] | 478 | |
---|
| 479 | |
---|
| 480 | ################## |
---|
| 481 | #Now do it again for a timestep in the middle |
---|
| 482 | |
---|
| 483 | timestep = 33 |
---|
[7276] | 484 | d_stage = num.reshape(num.take(stage[timestep, :], |
---|
| 485 | [0,5,10,15], |
---|
| 486 | axis=0), |
---|
| 487 | (4,1)) |
---|
| 488 | d_uh = num.reshape(num.take(xmomentum[timestep, :], |
---|
| 489 | [0,5,10,15], |
---|
| 490 | axis=0), |
---|
| 491 | (4,1)) |
---|
| 492 | d_vh = num.reshape(num.take(ymomentum[timestep, :], |
---|
| 493 | [0,5,10,15], |
---|
| 494 | axis=0), |
---|
| 495 | (4,1)) |
---|
[6145] | 496 | D = num.concatenate( (d_stage, d_uh, d_vh), axis=1) |
---|
[5897] | 497 | |
---|
| 498 | #Reference interpolated values at midpoints on diagonal at |
---|
| 499 | #this timestep are |
---|
| 500 | r0 = (D[0] + D[1])/2 |
---|
| 501 | r1 = (D[1] + D[2])/2 |
---|
| 502 | r2 = (D[2] + D[3])/2 |
---|
| 503 | |
---|
[6145] | 504 | q = f(timestep/10., point_id=0); assert num.allclose(r0, q) |
---|
| 505 | q = f(timestep/10., point_id=1); assert num.allclose(r1, q) |
---|
| 506 | q = f(timestep/10., point_id=2); assert num.allclose(r2, q) |
---|
[5897] | 507 | |
---|
| 508 | |
---|
| 509 | ################## |
---|
| 510 | #Now check temporal interpolation |
---|
| 511 | #Halfway between timestep 15 and 16 |
---|
| 512 | |
---|
| 513 | timestep = 15 |
---|
[7276] | 514 | d_stage = num.reshape(num.take(stage[timestep, :], |
---|
| 515 | [0,5,10,15], |
---|
| 516 | axis=0), |
---|
| 517 | (4,1)) |
---|
| 518 | d_uh = num.reshape(num.take(xmomentum[timestep, :], |
---|
| 519 | [0,5,10,15], |
---|
| 520 | axis=0), |
---|
| 521 | (4,1)) |
---|
| 522 | d_vh = num.reshape(num.take(ymomentum[timestep, :], |
---|
| 523 | [0,5,10,15], |
---|
| 524 | axis=0), |
---|
| 525 | (4,1)) |
---|
[6145] | 526 | D = num.concatenate( (d_stage, d_uh, d_vh), axis=1) |
---|
[5897] | 527 | |
---|
| 528 | #Reference interpolated values at midpoints on diagonal at |
---|
| 529 | #this timestep are |
---|
| 530 | r0_0 = (D[0] + D[1])/2 |
---|
| 531 | r1_0 = (D[1] + D[2])/2 |
---|
| 532 | r2_0 = (D[2] + D[3])/2 |
---|
| 533 | |
---|
| 534 | # |
---|
| 535 | timestep = 16 |
---|
[7276] | 536 | d_stage = num.reshape(num.take(stage[timestep, :], |
---|
| 537 | [0,5,10,15], |
---|
| 538 | axis=0), |
---|
| 539 | (4,1)) |
---|
| 540 | d_uh = num.reshape(num.take(xmomentum[timestep, :], |
---|
| 541 | [0,5,10,15], |
---|
| 542 | axis=0), |
---|
| 543 | (4,1)) |
---|
| 544 | d_vh = num.reshape(num.take(ymomentum[timestep, :], |
---|
| 545 | [0,5,10,15], |
---|
| 546 | axis=0), |
---|
| 547 | (4,1)) |
---|
[6145] | 548 | D = num.concatenate( (d_stage, d_uh, d_vh), axis=1) |
---|
[5897] | 549 | |
---|
| 550 | #Reference interpolated values at midpoints on diagonal at |
---|
| 551 | #this timestep are |
---|
| 552 | r0_1 = (D[0] + D[1])/2 |
---|
| 553 | r1_1 = (D[1] + D[2])/2 |
---|
| 554 | r2_1 = (D[2] + D[3])/2 |
---|
| 555 | |
---|
| 556 | # The reference values are |
---|
| 557 | r0 = (r0_0 + r0_1)/2 |
---|
| 558 | r1 = (r1_0 + r1_1)/2 |
---|
| 559 | r2 = (r2_0 + r2_1)/2 |
---|
| 560 | |
---|
[6145] | 561 | q = f((timestep - 0.5)/10., point_id=0); assert num.allclose(r0, q) |
---|
| 562 | q = f((timestep - 0.5)/10., point_id=1); assert num.allclose(r1, q) |
---|
| 563 | q = f((timestep - 0.5)/10., point_id=2); assert num.allclose(r2, q) |
---|
[5897] | 564 | |
---|
| 565 | ################## |
---|
| 566 | #Finally check interpolation 2 thirds of the way |
---|
| 567 | #between timestep 15 and 16 |
---|
| 568 | |
---|
| 569 | # The reference values are |
---|
| 570 | r0 = (r0_0 + 2*r0_1)/3 |
---|
| 571 | r1 = (r1_0 + 2*r1_1)/3 |
---|
| 572 | r2 = (r2_0 + 2*r2_1)/3 |
---|
| 573 | |
---|
| 574 | #And the file function gives |
---|
[6145] | 575 | q = f((timestep - 1.0/3)/10., point_id=0); assert num.allclose(r0, q) |
---|
| 576 | q = f((timestep - 1.0/3)/10., point_id=1); assert num.allclose(r1, q) |
---|
| 577 | q = f((timestep - 1.0/3)/10., point_id=2); assert num.allclose(r2, q) |
---|
[5897] | 578 | |
---|
| 579 | fid.close() |
---|
| 580 | import os |
---|
| 581 | os.remove(filename) |
---|
| 582 | |
---|
| 583 | |
---|
| 584 | |
---|
| 585 | |
---|
| 586 | def test_spatio_temporal_file_function_time(self): |
---|
| 587 | """Test that File function interpolates correctly |
---|
| 588 | between given times. |
---|
| 589 | NetCDF version (x,y,t dependency) |
---|
| 590 | """ |
---|
| 591 | |
---|
| 592 | #Create NetCDF (sww) file to be read |
---|
| 593 | # x: 0, 5, 10, 15 |
---|
| 594 | # y: -20, -10, 0, 10 |
---|
| 595 | # t: 0, 60, 120, ...., 1200 |
---|
| 596 | # |
---|
| 597 | # test quantities (arbitrary but non-trivial expressions): |
---|
| 598 | # |
---|
| 599 | # stage = 3*x - y**2 + 2*t |
---|
| 600 | # xmomentum = exp( -((x-7)**2 + (y+5)**2)/20 ) * t**2 |
---|
| 601 | # ymomentum = x**2 + y**2 * sin(t*pi/600) |
---|
| 602 | |
---|
| 603 | #NOTE: Nice test that may render some of the others redundant. |
---|
| 604 | |
---|
| 605 | import os, time |
---|
| 606 | from anuga.config import time_format |
---|
| 607 | from mesh_factory import rectangular |
---|
[7780] | 608 | from anuga.shallow_water.shallow_water_domain import Domain |
---|
[5897] | 609 | |
---|
| 610 | finaltime = 1200 |
---|
| 611 | filename = 'test_file_function' |
---|
| 612 | |
---|
| 613 | #Create a domain to hold test grid |
---|
| 614 | #(0:15, -20:10) |
---|
| 615 | points, vertices, boundary =\ |
---|
| 616 | rectangular(4, 4, 15, 30, origin = (0, -20)) |
---|
| 617 | #print "points", points |
---|
| 618 | |
---|
| 619 | #print 'Number of elements', len(vertices) |
---|
| 620 | domain = Domain(points, vertices, boundary) |
---|
| 621 | domain.smooth = False |
---|
| 622 | domain.default_order = 2 |
---|
| 623 | domain.set_datadir('.') |
---|
| 624 | domain.set_name(filename) |
---|
| 625 | domain.store = True |
---|
| 626 | |
---|
| 627 | #print points |
---|
| 628 | start = time.mktime(time.strptime('2000', '%Y')) |
---|
| 629 | domain.starttime = start |
---|
| 630 | |
---|
| 631 | |
---|
| 632 | #Store structure |
---|
| 633 | domain.initialise_storage() |
---|
| 634 | |
---|
| 635 | #Compute artificial time steps and store |
---|
| 636 | dt = 60 #One minute intervals |
---|
| 637 | t = 0.0 |
---|
| 638 | while t <= finaltime: |
---|
| 639 | #Compute quantities |
---|
| 640 | f1 = lambda x,y: 3*x - y**2 + 2*t + 4 |
---|
| 641 | domain.set_quantity('stage', f1) |
---|
| 642 | |
---|
| 643 | f2 = lambda x,y: x+y+t**2 |
---|
| 644 | domain.set_quantity('xmomentum', f2) |
---|
| 645 | |
---|
[6145] | 646 | f3 = lambda x,y: x**2 + y**2 * num.sin(t*num.pi/600) |
---|
[5897] | 647 | domain.set_quantity('ymomentum', f3) |
---|
| 648 | |
---|
| 649 | #Store and advance time |
---|
| 650 | domain.time = t |
---|
[7340] | 651 | domain.store_timestep() |
---|
[5897] | 652 | t += dt |
---|
| 653 | |
---|
| 654 | |
---|
| 655 | interpolation_points = [[0,-20], [1,0], [0,1], [1.1, 3.14], [10,-12.5]] |
---|
| 656 | |
---|
| 657 | #Deliberately set domain.starttime to too early |
---|
| 658 | domain.starttime = start - 1 |
---|
| 659 | |
---|
| 660 | #Create file function |
---|
| 661 | F = file_function(filename + '.sww', domain, |
---|
| 662 | quantities = domain.conserved_quantities, |
---|
| 663 | interpolation_points = interpolation_points) |
---|
| 664 | |
---|
| 665 | #Check that FF updates fixes domain starttime |
---|
[6145] | 666 | assert num.allclose(domain.starttime, start) |
---|
[5897] | 667 | |
---|
| 668 | #Check that domain.starttime isn't updated if later |
---|
| 669 | domain.starttime = start + 1 |
---|
| 670 | F = file_function(filename + '.sww', domain, |
---|
| 671 | quantities = domain.conserved_quantities, |
---|
| 672 | interpolation_points = interpolation_points) |
---|
[6145] | 673 | assert num.allclose(domain.starttime, start+1) |
---|
[5897] | 674 | domain.starttime = start |
---|
| 675 | |
---|
| 676 | |
---|
| 677 | #Check linear interpolation in time |
---|
| 678 | F = file_function(filename + '.sww', domain, |
---|
| 679 | quantities = domain.conserved_quantities, |
---|
| 680 | interpolation_points = interpolation_points) |
---|
| 681 | for id in range(len(interpolation_points)): |
---|
| 682 | x = interpolation_points[id][0] |
---|
| 683 | y = interpolation_points[id][1] |
---|
| 684 | |
---|
| 685 | for i in range(20): |
---|
| 686 | t = i*10 |
---|
| 687 | k = i%6 |
---|
| 688 | |
---|
| 689 | if k == 0: |
---|
| 690 | q0 = F(t, point_id=id) |
---|
| 691 | q1 = F(t+60, point_id=id) |
---|
| 692 | |
---|
[7276] | 693 | if num.alltrue(q0 == NAN): |
---|
[5897] | 694 | actual = q0 |
---|
| 695 | else: |
---|
| 696 | actual = (k*q1 + (6-k)*q0)/6 |
---|
| 697 | q = F(t, point_id=id) |
---|
| 698 | #print i, k, t, q |
---|
| 699 | #print ' ', q0 |
---|
| 700 | #print ' ', q1 |
---|
| 701 | #print "q",q |
---|
| 702 | #print "actual", actual |
---|
| 703 | #print |
---|
[7276] | 704 | if num.alltrue(q0 == NAN): |
---|
| 705 | self.failUnless(num.alltrue(q == actual), 'Fail!') |
---|
[5897] | 706 | else: |
---|
[6145] | 707 | assert num.allclose(q, actual) |
---|
[5897] | 708 | |
---|
| 709 | |
---|
| 710 | #Another check of linear interpolation in time |
---|
| 711 | for id in range(len(interpolation_points)): |
---|
| 712 | q60 = F(60, point_id=id) |
---|
| 713 | q120 = F(120, point_id=id) |
---|
| 714 | |
---|
| 715 | t = 90 #Halfway between 60 and 120 |
---|
| 716 | q = F(t, point_id=id) |
---|
[6145] | 717 | assert num.allclose( (q120+q60)/2, q ) |
---|
[5897] | 718 | |
---|
| 719 | t = 100 #Two thirds of the way between between 60 and 120 |
---|
| 720 | q = F(t, point_id=id) |
---|
[6145] | 721 | assert num.allclose(q60/3 + 2*q120/3, q) |
---|
[5897] | 722 | |
---|
| 723 | |
---|
| 724 | |
---|
| 725 | #Check that domain.starttime isn't updated if later than file starttime but earlier |
---|
| 726 | #than file end time |
---|
| 727 | delta = 23 |
---|
| 728 | domain.starttime = start + delta |
---|
| 729 | F = file_function(filename + '.sww', domain, |
---|
| 730 | quantities = domain.conserved_quantities, |
---|
| 731 | interpolation_points = interpolation_points) |
---|
[6145] | 732 | assert num.allclose(domain.starttime, start+delta) |
---|
[5897] | 733 | |
---|
| 734 | |
---|
| 735 | |
---|
| 736 | |
---|
| 737 | #Now try interpolation with delta offset |
---|
| 738 | for id in range(len(interpolation_points)): |
---|
| 739 | x = interpolation_points[id][0] |
---|
| 740 | y = interpolation_points[id][1] |
---|
| 741 | |
---|
| 742 | for i in range(20): |
---|
| 743 | t = i*10 |
---|
| 744 | k = i%6 |
---|
| 745 | |
---|
| 746 | if k == 0: |
---|
| 747 | q0 = F(t-delta, point_id=id) |
---|
| 748 | q1 = F(t+60-delta, point_id=id) |
---|
| 749 | |
---|
| 750 | q = F(t-delta, point_id=id) |
---|
[6145] | 751 | assert num.allclose(q, (k*q1 + (6-k)*q0)/6) |
---|
[5897] | 752 | |
---|
| 753 | |
---|
| 754 | os.remove(filename + '.sww') |
---|
| 755 | |
---|
| 756 | |
---|
| 757 | |
---|
| 758 | def Xtest_spatio_temporal_file_function_time(self): |
---|
| 759 | # FIXME: This passes but needs some TLC |
---|
| 760 | # Test that File function interpolates correctly |
---|
| 761 | # When some points are outside the mesh |
---|
| 762 | |
---|
| 763 | import os, time |
---|
| 764 | from anuga.config import time_format |
---|
| 765 | from mesh_factory import rectangular |
---|
| 766 | from shallow_water import Domain |
---|
| 767 | import anuga.shallow_water.data_manager |
---|
| 768 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
| 769 | finaltime = 1200 |
---|
| 770 | |
---|
| 771 | filename = tempfile.mktemp() |
---|
| 772 | #print "filename",filename |
---|
| 773 | filename = 'test_file_function' |
---|
| 774 | |
---|
| 775 | meshfilename = tempfile.mktemp(".tsh") |
---|
| 776 | |
---|
| 777 | boundary_tags = {'walls':[0,1],'bom':[2]} |
---|
| 778 | |
---|
| 779 | polygon_absolute = [[0,-20],[10,-20],[10,15],[-20,15]] |
---|
| 780 | |
---|
| 781 | create_mesh_from_regions(polygon_absolute, |
---|
| 782 | boundary_tags, |
---|
| 783 | 10000000, |
---|
| 784 | filename=meshfilename) |
---|
| 785 | domain = Domain(mesh_filename=meshfilename) |
---|
| 786 | domain.smooth = False |
---|
| 787 | domain.default_order = 2 |
---|
| 788 | domain.set_datadir('.') |
---|
| 789 | domain.set_name(filename) |
---|
| 790 | domain.store = True |
---|
| 791 | |
---|
| 792 | #print points |
---|
| 793 | start = time.mktime(time.strptime('2000', '%Y')) |
---|
| 794 | domain.starttime = start |
---|
| 795 | |
---|
| 796 | |
---|
| 797 | #Store structure |
---|
| 798 | domain.initialise_storage() |
---|
| 799 | |
---|
| 800 | #Compute artificial time steps and store |
---|
| 801 | dt = 60 #One minute intervals |
---|
| 802 | t = 0.0 |
---|
| 803 | while t <= finaltime: |
---|
| 804 | #Compute quantities |
---|
| 805 | f1 = lambda x,y: 3*x - y**2 + 2*t + 4 |
---|
| 806 | domain.set_quantity('stage', f1) |
---|
| 807 | |
---|
| 808 | f2 = lambda x,y: x+y+t**2 |
---|
| 809 | domain.set_quantity('xmomentum', f2) |
---|
| 810 | |
---|
[6145] | 811 | f3 = lambda x,y: x**2 + y**2 * num.sin(t*num.pi/600) |
---|
[5897] | 812 | domain.set_quantity('ymomentum', f3) |
---|
| 813 | |
---|
| 814 | #Store and advance time |
---|
| 815 | domain.time = t |
---|
[7342] | 816 | domain.store_timestep() |
---|
[5897] | 817 | t += dt |
---|
| 818 | |
---|
| 819 | interpolation_points = [[1,0]] |
---|
| 820 | interpolation_points = [[100,1000]] |
---|
| 821 | |
---|
| 822 | interpolation_points = [[0,-20], [1,0], [0,1], [1.1, 3.14], [10,-12.5], |
---|
| 823 | [78787,78787],[7878,3432]] |
---|
| 824 | |
---|
| 825 | #Deliberately set domain.starttime to too early |
---|
| 826 | domain.starttime = start - 1 |
---|
| 827 | |
---|
| 828 | #Create file function |
---|
| 829 | F = file_function(filename + '.sww', domain, |
---|
| 830 | quantities = domain.conserved_quantities, |
---|
| 831 | interpolation_points = interpolation_points) |
---|
| 832 | |
---|
| 833 | #Check that FF updates fixes domain starttime |
---|
[6145] | 834 | assert num.allclose(domain.starttime, start) |
---|
[5897] | 835 | |
---|
| 836 | #Check that domain.starttime isn't updated if later |
---|
| 837 | domain.starttime = start + 1 |
---|
| 838 | F = file_function(filename + '.sww', domain, |
---|
| 839 | quantities = domain.conserved_quantities, |
---|
| 840 | interpolation_points = interpolation_points) |
---|
[6145] | 841 | assert num.allclose(domain.starttime, start+1) |
---|
[5897] | 842 | domain.starttime = start |
---|
| 843 | |
---|
| 844 | |
---|
| 845 | #Check linear interpolation in time |
---|
| 846 | # checking points inside and outside the mesh |
---|
| 847 | F = file_function(filename + '.sww', domain, |
---|
| 848 | quantities = domain.conserved_quantities, |
---|
| 849 | interpolation_points = interpolation_points) |
---|
| 850 | |
---|
| 851 | for id in range(len(interpolation_points)): |
---|
| 852 | x = interpolation_points[id][0] |
---|
| 853 | y = interpolation_points[id][1] |
---|
| 854 | |
---|
| 855 | for i in range(20): |
---|
| 856 | t = i*10 |
---|
| 857 | k = i%6 |
---|
| 858 | |
---|
| 859 | if k == 0: |
---|
| 860 | q0 = F(t, point_id=id) |
---|
| 861 | q1 = F(t+60, point_id=id) |
---|
| 862 | |
---|
| 863 | if q0 == NAN: |
---|
| 864 | actual = q0 |
---|
| 865 | else: |
---|
| 866 | actual = (k*q1 + (6-k)*q0)/6 |
---|
| 867 | q = F(t, point_id=id) |
---|
| 868 | #print i, k, t, q |
---|
| 869 | #print ' ', q0 |
---|
| 870 | #print ' ', q1 |
---|
| 871 | #print "q",q |
---|
| 872 | #print "actual", actual |
---|
| 873 | #print |
---|
| 874 | if q0 == NAN: |
---|
| 875 | self.failUnless( q == actual, 'Fail!') |
---|
| 876 | else: |
---|
[6145] | 877 | assert num.allclose(q, actual) |
---|
[5897] | 878 | |
---|
| 879 | # now lets check points inside the mesh |
---|
| 880 | interpolation_points = [[0,-20], [1,0], [0,1], [1.1, 3.14]] #, [10,-12.5]] - this point doesn't work WHY? |
---|
| 881 | interpolation_points = [[10,-12.5]] |
---|
| 882 | |
---|
| 883 | print "len(interpolation_points)",len(interpolation_points) |
---|
| 884 | F = file_function(filename + '.sww', domain, |
---|
| 885 | quantities = domain.conserved_quantities, |
---|
| 886 | interpolation_points = interpolation_points) |
---|
| 887 | |
---|
| 888 | domain.starttime = start |
---|
| 889 | |
---|
| 890 | |
---|
| 891 | #Check linear interpolation in time |
---|
| 892 | F = file_function(filename + '.sww', domain, |
---|
| 893 | quantities = domain.conserved_quantities, |
---|
| 894 | interpolation_points = interpolation_points) |
---|
| 895 | for id in range(len(interpolation_points)): |
---|
| 896 | x = interpolation_points[id][0] |
---|
| 897 | y = interpolation_points[id][1] |
---|
| 898 | |
---|
| 899 | for i in range(20): |
---|
| 900 | t = i*10 |
---|
| 901 | k = i%6 |
---|
| 902 | |
---|
| 903 | if k == 0: |
---|
| 904 | q0 = F(t, point_id=id) |
---|
| 905 | q1 = F(t+60, point_id=id) |
---|
| 906 | |
---|
| 907 | if q0 == NAN: |
---|
| 908 | actual = q0 |
---|
| 909 | else: |
---|
| 910 | actual = (k*q1 + (6-k)*q0)/6 |
---|
| 911 | q = F(t, point_id=id) |
---|
| 912 | print "############" |
---|
| 913 | print "id, x, y ", id, x, y #k, t, q |
---|
| 914 | print "t", t |
---|
| 915 | #print ' ', q0 |
---|
| 916 | #print ' ', q1 |
---|
| 917 | print "q",q |
---|
| 918 | print "actual", actual |
---|
| 919 | #print |
---|
| 920 | if q0 == NAN: |
---|
| 921 | self.failUnless( q == actual, 'Fail!') |
---|
| 922 | else: |
---|
[6145] | 923 | assert num.allclose(q, actual) |
---|
[5897] | 924 | |
---|
| 925 | |
---|
| 926 | #Another check of linear interpolation in time |
---|
| 927 | for id in range(len(interpolation_points)): |
---|
| 928 | q60 = F(60, point_id=id) |
---|
| 929 | q120 = F(120, point_id=id) |
---|
| 930 | |
---|
| 931 | t = 90 #Halfway between 60 and 120 |
---|
| 932 | q = F(t, point_id=id) |
---|
[6145] | 933 | assert num.allclose( (q120+q60)/2, q ) |
---|
[5897] | 934 | |
---|
| 935 | t = 100 #Two thirds of the way between between 60 and 120 |
---|
| 936 | q = F(t, point_id=id) |
---|
[6145] | 937 | assert num.allclose(q60/3 + 2*q120/3, q) |
---|
[5897] | 938 | |
---|
| 939 | |
---|
| 940 | |
---|
| 941 | #Check that domain.starttime isn't updated if later than file starttime but earlier |
---|
| 942 | #than file end time |
---|
| 943 | delta = 23 |
---|
| 944 | domain.starttime = start + delta |
---|
| 945 | F = file_function(filename + '.sww', domain, |
---|
| 946 | quantities = domain.conserved_quantities, |
---|
| 947 | interpolation_points = interpolation_points) |
---|
[6145] | 948 | assert num.allclose(domain.starttime, start+delta) |
---|
[5897] | 949 | |
---|
| 950 | |
---|
| 951 | |
---|
| 952 | |
---|
| 953 | #Now try interpolation with delta offset |
---|
| 954 | for id in range(len(interpolation_points)): |
---|
| 955 | x = interpolation_points[id][0] |
---|
| 956 | y = interpolation_points[id][1] |
---|
| 957 | |
---|
| 958 | for i in range(20): |
---|
| 959 | t = i*10 |
---|
| 960 | k = i%6 |
---|
| 961 | |
---|
| 962 | if k == 0: |
---|
| 963 | q0 = F(t-delta, point_id=id) |
---|
| 964 | q1 = F(t+60-delta, point_id=id) |
---|
| 965 | |
---|
| 966 | q = F(t-delta, point_id=id) |
---|
[6145] | 967 | assert num.allclose(q, (k*q1 + (6-k)*q0)/6) |
---|
[5897] | 968 | |
---|
| 969 | |
---|
| 970 | os.remove(filename + '.sww') |
---|
| 971 | |
---|
| 972 | def test_file_function_time_with_domain(self): |
---|
| 973 | """Test that File function interpolates correctly |
---|
| 974 | between given times. No x,y dependency here. |
---|
| 975 | Use domain with starttime |
---|
| 976 | """ |
---|
| 977 | |
---|
| 978 | #Write file |
---|
| 979 | import os, time, calendar |
---|
| 980 | from anuga.config import time_format |
---|
| 981 | from math import sin, pi |
---|
| 982 | |
---|
| 983 | finaltime = 1200 |
---|
| 984 | filename = 'test_file_function' |
---|
| 985 | fid = open(filename + '.txt', 'w') |
---|
| 986 | start = time.mktime(time.strptime('2000', '%Y')) |
---|
| 987 | dt = 60 #One minute intervals |
---|
| 988 | t = 0.0 |
---|
| 989 | while t <= finaltime: |
---|
| 990 | t_string = time.strftime(time_format, time.gmtime(t+start)) |
---|
| 991 | fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600))) |
---|
| 992 | t += dt |
---|
| 993 | |
---|
| 994 | fid.close() |
---|
| 995 | |
---|
| 996 | |
---|
| 997 | #Convert ASCII file to NetCDF (Which is what we really like!) |
---|
| 998 | timefile2netcdf(filename) |
---|
| 999 | |
---|
| 1000 | |
---|
| 1001 | |
---|
| 1002 | a = [0.0, 0.0] |
---|
| 1003 | b = [4.0, 0.0] |
---|
| 1004 | c = [0.0, 3.0] |
---|
| 1005 | |
---|
| 1006 | points = [a, b, c] |
---|
| 1007 | vertices = [[0,1,2]] |
---|
| 1008 | domain = Domain(points, vertices) |
---|
| 1009 | |
---|
| 1010 | # Check that domain.starttime is updated if non-existing |
---|
| 1011 | F = file_function(filename + '.tms', |
---|
| 1012 | domain, |
---|
| 1013 | quantities = ['Attribute0', 'Attribute1', 'Attribute2']) |
---|
[6145] | 1014 | assert num.allclose(domain.starttime, start) |
---|
[5897] | 1015 | |
---|
| 1016 | # Check that domain.starttime is updated if too early |
---|
| 1017 | domain.starttime = start - 1 |
---|
| 1018 | F = file_function(filename + '.tms', |
---|
| 1019 | domain, |
---|
| 1020 | quantities = ['Attribute0', 'Attribute1', 'Attribute2']) |
---|
[6145] | 1021 | assert num.allclose(domain.starttime, start) |
---|
[5897] | 1022 | |
---|
| 1023 | # Check that domain.starttime isn't updated if later |
---|
| 1024 | domain.starttime = start + 1 |
---|
| 1025 | F = file_function(filename + '.tms', |
---|
| 1026 | domain, |
---|
| 1027 | quantities = ['Attribute0', 'Attribute1', 'Attribute2']) |
---|
[6145] | 1028 | assert num.allclose(domain.starttime, start+1) |
---|
[5897] | 1029 | |
---|
| 1030 | domain.starttime = start |
---|
| 1031 | F = file_function(filename + '.tms', |
---|
| 1032 | domain, |
---|
| 1033 | quantities = ['Attribute0', 'Attribute1', 'Attribute2'], |
---|
| 1034 | use_cache=True) |
---|
| 1035 | |
---|
| 1036 | |
---|
| 1037 | #print F.precomputed_values |
---|
| 1038 | #print 'F(60)', F(60) |
---|
| 1039 | |
---|
| 1040 | #Now try interpolation |
---|
| 1041 | for i in range(20): |
---|
| 1042 | t = i*10 |
---|
| 1043 | q = F(t) |
---|
| 1044 | |
---|
| 1045 | #Exact linear intpolation |
---|
[6145] | 1046 | assert num.allclose(q[0], 2*t) |
---|
[5897] | 1047 | if i%6 == 0: |
---|
[6145] | 1048 | assert num.allclose(q[1], t**2) |
---|
| 1049 | assert num.allclose(q[2], sin(t*pi/600)) |
---|
[5897] | 1050 | |
---|
| 1051 | #Check non-exact |
---|
| 1052 | |
---|
| 1053 | t = 90 #Halfway between 60 and 120 |
---|
| 1054 | q = F(t) |
---|
[6145] | 1055 | assert num.allclose( (120**2 + 60**2)/2, q[1] ) |
---|
| 1056 | assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] ) |
---|
[5897] | 1057 | |
---|
| 1058 | |
---|
| 1059 | t = 100 #Two thirds of the way between between 60 and 120 |
---|
| 1060 | q = F(t) |
---|
[6145] | 1061 | assert num.allclose( 2*120**2/3 + 60**2/3, q[1] ) |
---|
| 1062 | assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] ) |
---|
[5897] | 1063 | |
---|
| 1064 | os.remove(filename + '.tms') |
---|
| 1065 | os.remove(filename + '.txt') |
---|
| 1066 | |
---|
| 1067 | def test_file_function_time_with_domain_different_start(self): |
---|
| 1068 | """Test that File function interpolates correctly |
---|
| 1069 | between given times. No x,y dependency here. |
---|
| 1070 | Use domain with a starttime later than that of file |
---|
| 1071 | |
---|
| 1072 | ASCII version |
---|
| 1073 | """ |
---|
| 1074 | |
---|
| 1075 | #Write file |
---|
| 1076 | import os, time, calendar |
---|
| 1077 | from anuga.config import time_format |
---|
| 1078 | from math import sin, pi |
---|
| 1079 | |
---|
| 1080 | finaltime = 1200 |
---|
| 1081 | filename = 'test_file_function' |
---|
| 1082 | fid = open(filename + '.txt', 'w') |
---|
| 1083 | start = time.mktime(time.strptime('2000', '%Y')) |
---|
| 1084 | dt = 60 #One minute intervals |
---|
| 1085 | t = 0.0 |
---|
| 1086 | while t <= finaltime: |
---|
| 1087 | t_string = time.strftime(time_format, time.gmtime(t+start)) |
---|
| 1088 | fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600))) |
---|
| 1089 | t += dt |
---|
| 1090 | |
---|
| 1091 | fid.close() |
---|
| 1092 | |
---|
| 1093 | #Convert ASCII file to NetCDF (Which is what we really like!) |
---|
| 1094 | timefile2netcdf(filename) |
---|
| 1095 | |
---|
| 1096 | a = [0.0, 0.0] |
---|
| 1097 | b = [4.0, 0.0] |
---|
| 1098 | c = [0.0, 3.0] |
---|
| 1099 | |
---|
| 1100 | points = [a, b, c] |
---|
| 1101 | vertices = [[0,1,2]] |
---|
| 1102 | domain = Domain(points, vertices) |
---|
| 1103 | |
---|
| 1104 | #Check that domain.starttime isn't updated if later than file starttime but earlier |
---|
| 1105 | #than file end time |
---|
| 1106 | delta = 23 |
---|
| 1107 | domain.starttime = start + delta |
---|
| 1108 | F = file_function(filename + '.tms', domain, |
---|
| 1109 | quantities = ['Attribute0', 'Attribute1', 'Attribute2']) |
---|
[6145] | 1110 | assert num.allclose(domain.starttime, start+delta) |
---|
[5897] | 1111 | |
---|
[6173] | 1112 | assert num.allclose(F.get_time(), [-23., 37., 97., 157., 217., |
---|
| 1113 | 277., 337., 397., 457., 517., |
---|
| 1114 | 577., 637., 697., 757., 817., |
---|
| 1115 | 877., 937., 997., 1057., 1117., |
---|
| 1116 | 1177.]) |
---|
[5897] | 1117 | |
---|
| 1118 | |
---|
| 1119 | #Now try interpolation with delta offset |
---|
| 1120 | for i in range(20): |
---|
| 1121 | t = i*10 |
---|
| 1122 | q = F(t-delta) |
---|
| 1123 | |
---|
| 1124 | #Exact linear intpolation |
---|
[6145] | 1125 | assert num.allclose(q[0], 2*t) |
---|
[5897] | 1126 | if i%6 == 0: |
---|
[6145] | 1127 | assert num.allclose(q[1], t**2) |
---|
| 1128 | assert num.allclose(q[2], sin(t*pi/600)) |
---|
[5897] | 1129 | |
---|
| 1130 | #Check non-exact |
---|
| 1131 | |
---|
| 1132 | t = 90 #Halfway between 60 and 120 |
---|
| 1133 | q = F(t-delta) |
---|
[6145] | 1134 | assert num.allclose( (120**2 + 60**2)/2, q[1] ) |
---|
| 1135 | assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] ) |
---|
[5897] | 1136 | |
---|
| 1137 | |
---|
| 1138 | t = 100 #Two thirds of the way between between 60 and 120 |
---|
| 1139 | q = F(t-delta) |
---|
[6145] | 1140 | assert num.allclose( 2*120**2/3 + 60**2/3, q[1] ) |
---|
| 1141 | assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] ) |
---|
[5897] | 1142 | |
---|
| 1143 | |
---|
| 1144 | os.remove(filename + '.tms') |
---|
| 1145 | os.remove(filename + '.txt') |
---|
| 1146 | |
---|
[6173] | 1147 | |
---|
[5897] | 1148 | |
---|
[6173] | 1149 | def test_file_function_time_with_domain_different_start_and_time_limit(self): |
---|
| 1150 | """Test that File function interpolates correctly |
---|
| 1151 | between given times. No x,y dependency here. |
---|
| 1152 | Use domain with a starttime later than that of file |
---|
[5897] | 1153 | |
---|
[6173] | 1154 | ASCII version |
---|
| 1155 | |
---|
| 1156 | This test also tests that time can be truncated. |
---|
| 1157 | """ |
---|
| 1158 | |
---|
| 1159 | # Write file |
---|
| 1160 | import os, time, calendar |
---|
| 1161 | from anuga.config import time_format |
---|
| 1162 | from math import sin, pi |
---|
| 1163 | |
---|
| 1164 | finaltime = 1200 |
---|
| 1165 | filename = 'test_file_function' |
---|
| 1166 | fid = open(filename + '.txt', 'w') |
---|
| 1167 | start = time.mktime(time.strptime('2000', '%Y')) |
---|
| 1168 | dt = 60 #One minute intervals |
---|
| 1169 | t = 0.0 |
---|
| 1170 | while t <= finaltime: |
---|
| 1171 | t_string = time.strftime(time_format, time.gmtime(t+start)) |
---|
| 1172 | fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600))) |
---|
| 1173 | t += dt |
---|
| 1174 | |
---|
| 1175 | fid.close() |
---|
| 1176 | |
---|
| 1177 | # Convert ASCII file to NetCDF (Which is what we really like!) |
---|
| 1178 | timefile2netcdf(filename) |
---|
| 1179 | |
---|
| 1180 | a = [0.0, 0.0] |
---|
| 1181 | b = [4.0, 0.0] |
---|
| 1182 | c = [0.0, 3.0] |
---|
| 1183 | |
---|
| 1184 | points = [a, b, c] |
---|
| 1185 | vertices = [[0,1,2]] |
---|
| 1186 | domain = Domain(points, vertices) |
---|
| 1187 | |
---|
| 1188 | # Check that domain.starttime isn't updated if later than file starttime but earlier |
---|
| 1189 | # than file end time |
---|
| 1190 | delta = 23 |
---|
| 1191 | domain.starttime = start + delta |
---|
[6175] | 1192 | time_limit = domain.starttime + 600 |
---|
[6173] | 1193 | F = file_function(filename + '.tms', domain, |
---|
[6175] | 1194 | time_limit=time_limit, |
---|
[6173] | 1195 | quantities=['Attribute0', 'Attribute1', 'Attribute2']) |
---|
| 1196 | assert num.allclose(domain.starttime, start+delta) |
---|
| 1197 | |
---|
| 1198 | assert num.allclose(F.get_time(), [-23., 37., 97., 157., 217., |
---|
| 1199 | 277., 337., 397., 457., 517., |
---|
| 1200 | 577.]) |
---|
| 1201 | |
---|
| 1202 | |
---|
| 1203 | |
---|
| 1204 | # Now try interpolation with delta offset |
---|
| 1205 | for i in range(20): |
---|
| 1206 | t = i*10 |
---|
| 1207 | q = F(t-delta) |
---|
| 1208 | |
---|
| 1209 | #Exact linear intpolation |
---|
| 1210 | assert num.allclose(q[0], 2*t) |
---|
| 1211 | if i%6 == 0: |
---|
| 1212 | assert num.allclose(q[1], t**2) |
---|
| 1213 | assert num.allclose(q[2], sin(t*pi/600)) |
---|
| 1214 | |
---|
| 1215 | # Check non-exact |
---|
| 1216 | t = 90 #Halfway between 60 and 120 |
---|
| 1217 | q = F(t-delta) |
---|
| 1218 | assert num.allclose( (120**2 + 60**2)/2, q[1] ) |
---|
| 1219 | assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] ) |
---|
| 1220 | |
---|
| 1221 | |
---|
| 1222 | t = 100 # Two thirds of the way between between 60 and 120 |
---|
| 1223 | q = F(t-delta) |
---|
| 1224 | assert num.allclose( 2*120**2/3 + 60**2/3, q[1] ) |
---|
| 1225 | assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] ) |
---|
| 1226 | |
---|
| 1227 | |
---|
| 1228 | os.remove(filename + '.tms') |
---|
| 1229 | os.remove(filename + '.txt') |
---|
| 1230 | |
---|
| 1231 | |
---|
| 1232 | |
---|
| 1233 | |
---|
| 1234 | |
---|
| 1235 | |
---|
[5897] | 1236 | def test_apply_expression_to_dictionary(self): |
---|
| 1237 | |
---|
| 1238 | #FIXME: Division is not expected to work for integers. |
---|
| 1239 | #This must be caught. |
---|
[7276] | 1240 | foo = num.array([[1,2,3], [4,5,6]], num.float) |
---|
[5897] | 1241 | |
---|
[7276] | 1242 | bar = num.array([[-1,0,5], [6,1,1]], num.float) |
---|
[5897] | 1243 | |
---|
| 1244 | D = {'X': foo, 'Y': bar} |
---|
| 1245 | |
---|
| 1246 | Z = apply_expression_to_dictionary('X+Y', D) |
---|
[6145] | 1247 | assert num.allclose(Z, foo+bar) |
---|
[5897] | 1248 | |
---|
| 1249 | Z = apply_expression_to_dictionary('X*Y', D) |
---|
[6145] | 1250 | assert num.allclose(Z, foo*bar) |
---|
[5897] | 1251 | |
---|
| 1252 | Z = apply_expression_to_dictionary('4*X+Y', D) |
---|
[6145] | 1253 | assert num.allclose(Z, 4*foo+bar) |
---|
[5897] | 1254 | |
---|
| 1255 | # test zero division is OK |
---|
| 1256 | Z = apply_expression_to_dictionary('X/Y', D) |
---|
[6145] | 1257 | assert num.allclose(1/Z, 1/(foo/bar)) # can't compare inf to inf |
---|
[5897] | 1258 | |
---|
| 1259 | # make an error for zero on zero |
---|
[7276] | 1260 | # this is really an error in numeric, SciPy core can handle it |
---|
[5897] | 1261 | # Z = apply_expression_to_dictionary('0/Y', D) |
---|
| 1262 | |
---|
| 1263 | #Check exceptions |
---|
| 1264 | try: |
---|
| 1265 | #Wrong name |
---|
| 1266 | Z = apply_expression_to_dictionary('4*X+A', D) |
---|
| 1267 | except NameError: |
---|
| 1268 | pass |
---|
| 1269 | else: |
---|
| 1270 | msg = 'Should have raised a NameError Exception' |
---|
| 1271 | raise msg |
---|
| 1272 | |
---|
| 1273 | |
---|
| 1274 | try: |
---|
| 1275 | #Wrong order |
---|
| 1276 | Z = apply_expression_to_dictionary(D, '4*X+A') |
---|
| 1277 | except AssertionError: |
---|
| 1278 | pass |
---|
| 1279 | else: |
---|
| 1280 | msg = 'Should have raised a AssertionError Exception' |
---|
| 1281 | raise msg |
---|
| 1282 | |
---|
| 1283 | |
---|
| 1284 | def test_multiple_replace(self): |
---|
| 1285 | """Hard test that checks a true word-by-word simultaneous replace |
---|
| 1286 | """ |
---|
| 1287 | |
---|
| 1288 | D = {'x': 'xi', 'y': 'eta', 'xi':'lam'} |
---|
| 1289 | exp = '3*x+y + xi' |
---|
| 1290 | |
---|
| 1291 | new = multiple_replace(exp, D) |
---|
| 1292 | |
---|
| 1293 | assert new == '3*xi+eta + lam' |
---|
| 1294 | |
---|
[7800] | 1295 | |
---|
[5897] | 1296 | def test_get_revision_number(self): |
---|
| 1297 | """test_get_revision_number(self): |
---|
| 1298 | |
---|
| 1299 | Test that revision number can be retrieved. |
---|
| 1300 | """ |
---|
| 1301 | if os.environ.has_key('USER') and os.environ['USER'] == 'dgray': |
---|
| 1302 | # I have a known snv incompatability issue, |
---|
| 1303 | # so I'm skipping this test. |
---|
| 1304 | # FIXME when SVN is upgraded on our clusters |
---|
| 1305 | pass |
---|
| 1306 | else: |
---|
| 1307 | n = get_revision_number() |
---|
| 1308 | assert n>=0 |
---|
| 1309 | |
---|
| 1310 | |
---|
| 1311 | |
---|
| 1312 | def test_add_directories(self): |
---|
| 1313 | |
---|
| 1314 | import tempfile |
---|
| 1315 | root_dir = tempfile.mkdtemp('_test_util', 'test_util_') |
---|
| 1316 | directories = ['ja','ne','ke'] |
---|
| 1317 | kens_dir = add_directories(root_dir, directories) |
---|
| 1318 | assert kens_dir == root_dir + sep + 'ja' + sep + 'ne' + \ |
---|
| 1319 | sep + 'ke' |
---|
| 1320 | assert access(root_dir,F_OK) |
---|
| 1321 | |
---|
| 1322 | add_directories(root_dir, directories) |
---|
| 1323 | assert access(root_dir,F_OK) |
---|
| 1324 | |
---|
| 1325 | #clean up! |
---|
| 1326 | os.rmdir(kens_dir) |
---|
| 1327 | os.rmdir(root_dir + sep + 'ja' + sep + 'ne') |
---|
| 1328 | os.rmdir(root_dir + sep + 'ja') |
---|
| 1329 | os.rmdir(root_dir) |
---|
| 1330 | |
---|
| 1331 | def test_add_directories_bad(self): |
---|
| 1332 | |
---|
| 1333 | import tempfile |
---|
| 1334 | root_dir = tempfile.mkdtemp('_test_util', 'test_util_') |
---|
| 1335 | directories = ['/\/!@#@#$%^%&*((*:*:','ne','ke'] |
---|
| 1336 | |
---|
| 1337 | try: |
---|
| 1338 | kens_dir = add_directories(root_dir, directories) |
---|
| 1339 | except OSError: |
---|
| 1340 | pass |
---|
| 1341 | else: |
---|
| 1342 | msg = 'bad dir name should give OSError' |
---|
| 1343 | raise Exception(msg) |
---|
| 1344 | |
---|
| 1345 | #clean up! |
---|
| 1346 | os.rmdir(root_dir) |
---|
| 1347 | |
---|
| 1348 | def test_check_list(self): |
---|
| 1349 | |
---|
| 1350 | check_list(['stage','xmomentum']) |
---|
| 1351 | |
---|
| 1352 | |
---|
| 1353 | def test_add_directories(self): |
---|
| 1354 | |
---|
| 1355 | import tempfile |
---|
| 1356 | root_dir = tempfile.mkdtemp('_test_util', 'test_util_') |
---|
| 1357 | directories = ['ja','ne','ke'] |
---|
| 1358 | kens_dir = add_directories(root_dir, directories) |
---|
| 1359 | assert kens_dir == root_dir + sep + 'ja' + sep + 'ne' + \ |
---|
| 1360 | sep + 'ke' |
---|
| 1361 | assert access(root_dir,F_OK) |
---|
| 1362 | |
---|
| 1363 | add_directories(root_dir, directories) |
---|
| 1364 | assert access(root_dir,F_OK) |
---|
| 1365 | |
---|
| 1366 | #clean up! |
---|
| 1367 | os.rmdir(kens_dir) |
---|
| 1368 | os.rmdir(root_dir + sep + 'ja' + sep + 'ne') |
---|
| 1369 | os.rmdir(root_dir + sep + 'ja') |
---|
| 1370 | os.rmdir(root_dir) |
---|
| 1371 | |
---|
| 1372 | def test_add_directories_bad(self): |
---|
| 1373 | |
---|
| 1374 | import tempfile |
---|
| 1375 | root_dir = tempfile.mkdtemp('_test_util', 'test_util_') |
---|
| 1376 | directories = ['/\/!@#@#$%^%&*((*:*:','ne','ke'] |
---|
| 1377 | |
---|
| 1378 | try: |
---|
| 1379 | kens_dir = add_directories(root_dir, directories) |
---|
| 1380 | except OSError: |
---|
| 1381 | pass |
---|
| 1382 | else: |
---|
| 1383 | msg = 'bad dir name should give OSError' |
---|
| 1384 | raise Exception(msg) |
---|
| 1385 | |
---|
| 1386 | #clean up! |
---|
| 1387 | os.rmdir(root_dir) |
---|
| 1388 | |
---|
| 1389 | def test_check_list(self): |
---|
| 1390 | |
---|
| 1391 | check_list(['stage','xmomentum']) |
---|
[6070] | 1392 | |
---|
| 1393 | ###### |
---|
| 1394 | # Test the remove_lone_verts() function |
---|
| 1395 | ###### |
---|
[5897] | 1396 | |
---|
[6070] | 1397 | def test_remove_lone_verts_a(self): |
---|
[5897] | 1398 | verts = [[0,0],[1,0],[0,1]] |
---|
| 1399 | tris = [[0,1,2]] |
---|
| 1400 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1401 | self.failUnless(new_verts.tolist() == verts) |
---|
| 1402 | self.failUnless(new_tris.tolist() == tris) |
---|
[5897] | 1403 | |
---|
[6070] | 1404 | def test_remove_lone_verts_b(self): |
---|
[5897] | 1405 | verts = [[0,0],[1,0],[0,1],[99,99]] |
---|
| 1406 | tris = [[0,1,2]] |
---|
| 1407 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1408 | self.failUnless(new_verts.tolist() == verts[0:3]) |
---|
| 1409 | self.failUnless(new_tris.tolist() == tris) |
---|
[5897] | 1410 | |
---|
[6070] | 1411 | def test_remove_lone_verts_c(self): |
---|
[5897] | 1412 | verts = [[99,99],[0,0],[1,0],[99,99],[0,1],[99,99]] |
---|
| 1413 | tris = [[1,2,4]] |
---|
| 1414 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1415 | self.failUnless(new_verts.tolist() == [[0,0],[1,0],[0,1]]) |
---|
| 1416 | self.failUnless(new_tris.tolist() == [[0,1,2]]) |
---|
[5897] | 1417 | |
---|
[6070] | 1418 | def test_remove_lone_verts_d(self): |
---|
[5897] | 1419 | verts = [[0,0],[1,0],[99,99],[0,1]] |
---|
| 1420 | tris = [[0,1,3]] |
---|
| 1421 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1422 | self.failUnless(new_verts.tolist() == [[0,0],[1,0],[0,1]]) |
---|
| 1423 | self.failUnless(new_tris.tolist() == [[0,1,2]]) |
---|
[5897] | 1424 | |
---|
[6070] | 1425 | def test_remove_lone_verts_e(self): |
---|
[5897] | 1426 | verts = [[0,0],[1,0],[0,1],[99,99],[99,99],[99,99]] |
---|
| 1427 | tris = [[0,1,2]] |
---|
| 1428 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1429 | self.failUnless(new_verts.tolist() == verts[0:3]) |
---|
| 1430 | self.failUnless(new_tris.tolist() == tris) |
---|
[5897] | 1431 | |
---|
[6070] | 1432 | def test_remove_lone_verts_f(self): |
---|
| 1433 | verts = [[0,0],[1,0],[99,99],[0,1],[99,99],[1,1],[99,99]] |
---|
| 1434 | tris = [[0,1,3],[0,1,5]] |
---|
[5897] | 1435 | new_verts, new_tris = remove_lone_verts(verts, tris) |
---|
[6070] | 1436 | self.failUnless(new_verts.tolist() == [[0,0],[1,0],[0,1],[1,1]]) |
---|
| 1437 | self.failUnless(new_tris.tolist() == [[0,1,2],[0,1,3]]) |
---|
[5897] | 1438 | |
---|
[6070] | 1439 | ###### |
---|
| 1440 | # |
---|
| 1441 | ###### |
---|
| 1442 | |
---|
[5897] | 1443 | def test_get_min_max_values(self): |
---|
| 1444 | |
---|
| 1445 | list=[8,9,6,1,4] |
---|
| 1446 | min1, max1 = get_min_max_values(list) |
---|
| 1447 | |
---|
| 1448 | assert min1==1 |
---|
| 1449 | assert max1==9 |
---|
| 1450 | |
---|
| 1451 | def test_get_min_max_values1(self): |
---|
| 1452 | |
---|
| 1453 | list=[-8,-9,-6,-1,-4] |
---|
| 1454 | min1, max1 = get_min_max_values(list) |
---|
| 1455 | |
---|
| 1456 | # print 'min1,max1',min1,max1 |
---|
| 1457 | assert min1==-9 |
---|
| 1458 | assert max1==-1 |
---|
| 1459 | |
---|
| 1460 | # def test_get_min_max_values2(self): |
---|
| 1461 | # ''' |
---|
| 1462 | # The min and max supplied are greater than the ones in the |
---|
| 1463 | # list and therefore are the ones returned |
---|
| 1464 | # ''' |
---|
| 1465 | # list=[-8,-9,-6,-1,-4] |
---|
| 1466 | # min1, max1 = get_min_max_values(list,-10,10) |
---|
| 1467 | # |
---|
| 1468 | ## print 'min1,max1',min1,max1 |
---|
| 1469 | # assert min1==-10 |
---|
| 1470 | # assert max1==10 |
---|
| 1471 | |
---|
| 1472 | def test_make_plots_from_csv_files(self): |
---|
| 1473 | |
---|
| 1474 | #if sys.platform == 'win32': #Windows |
---|
| 1475 | try: |
---|
| 1476 | import pylab |
---|
| 1477 | except ImportError: |
---|
| 1478 | #ANUGA don't need pylab to work so the system doesn't |
---|
| 1479 | #rely on pylab being installed |
---|
| 1480 | return |
---|
| 1481 | |
---|
| 1482 | |
---|
| 1483 | current_dir=getcwd()+sep+'abstract_2d_finite_volumes' |
---|
| 1484 | temp_dir = tempfile.mkdtemp('','figures') |
---|
| 1485 | # print 'temp_dir',temp_dir |
---|
| 1486 | fileName = temp_dir+sep+'time_series_3.csv' |
---|
| 1487 | file = open(fileName,"w") |
---|
| 1488 | file.write("time,stage,speed,momentum,elevation\n\ |
---|
| 1489 | 1.0, 0, 0, 0, 10 \n\ |
---|
| 1490 | 2.0, 5, 2, 4, 10 \n\ |
---|
| 1491 | 3.0, 3, 3, 5, 10 \n") |
---|
| 1492 | file.close() |
---|
| 1493 | |
---|
| 1494 | fileName1 = temp_dir+sep+'time_series_4.csv' |
---|
| 1495 | file1 = open(fileName1,"w") |
---|
| 1496 | file1.write("time,stage,speed,momentum,elevation\n\ |
---|
| 1497 | 1.0, 0, 0, 0, 5 \n\ |
---|
| 1498 | 2.0, -5, -2, -4, 5 \n\ |
---|
| 1499 | 3.0, -4, -3, -5, 5 \n") |
---|
| 1500 | file1.close() |
---|
| 1501 | |
---|
| 1502 | fileName2 = temp_dir+sep+'time_series_5.csv' |
---|
| 1503 | file2 = open(fileName2,"w") |
---|
| 1504 | file2.write("time,stage,speed,momentum,elevation\n\ |
---|
| 1505 | 1.0, 0, 0, 0, 7 \n\ |
---|
| 1506 | 2.0, 4, -0.45, 57, 7 \n\ |
---|
| 1507 | 3.0, 6, -0.5, 56, 7 \n") |
---|
| 1508 | file2.close() |
---|
| 1509 | |
---|
| 1510 | dir, name=os.path.split(fileName) |
---|
| 1511 | csv2timeseries_graphs(directories_dic={dir:['gauge', 0, 0]}, |
---|
| 1512 | output_dir=temp_dir, |
---|
| 1513 | base_name='time_series_', |
---|
| 1514 | plot_numbers=['3-5'], |
---|
| 1515 | quantities=['speed','stage','momentum'], |
---|
| 1516 | assess_all_csv_files=True, |
---|
| 1517 | extra_plot_name='test') |
---|
| 1518 | |
---|
| 1519 | #print dir+sep+name[:-4]+'_stage_test.png' |
---|
| 1520 | assert(access(dir+sep+name[:-4]+'_stage_test.png',F_OK)==True) |
---|
| 1521 | assert(access(dir+sep+name[:-4]+'_speed_test.png',F_OK)==True) |
---|
| 1522 | assert(access(dir+sep+name[:-4]+'_momentum_test.png',F_OK)==True) |
---|
| 1523 | |
---|
| 1524 | dir1, name1=os.path.split(fileName1) |
---|
| 1525 | assert(access(dir+sep+name1[:-4]+'_stage_test.png',F_OK)==True) |
---|
| 1526 | assert(access(dir+sep+name1[:-4]+'_speed_test.png',F_OK)==True) |
---|
| 1527 | assert(access(dir+sep+name1[:-4]+'_momentum_test.png',F_OK)==True) |
---|
| 1528 | |
---|
| 1529 | |
---|
| 1530 | dir2, name2=os.path.split(fileName2) |
---|
| 1531 | assert(access(dir+sep+name2[:-4]+'_stage_test.png',F_OK)==True) |
---|
| 1532 | assert(access(dir+sep+name2[:-4]+'_speed_test.png',F_OK)==True) |
---|
| 1533 | assert(access(dir+sep+name2[:-4]+'_momentum_test.png',F_OK)==True) |
---|
| 1534 | |
---|
| 1535 | del_dir(temp_dir) |
---|
| 1536 | |
---|
| 1537 | |
---|
| 1538 | |
---|
| 1539 | def test_greens_law(self): |
---|
| 1540 | |
---|
| 1541 | from math import sqrt |
---|
| 1542 | |
---|
| 1543 | d1 = 80.0 |
---|
| 1544 | d2 = 20.0 |
---|
| 1545 | h1 = 1.0 |
---|
| 1546 | h2 = greens_law(d1,d2,h1) |
---|
| 1547 | |
---|
| 1548 | assert h2==sqrt(2.0) |
---|
| 1549 | |
---|
| 1550 | def test_calc_bearings(self): |
---|
| 1551 | |
---|
| 1552 | from math import atan, degrees |
---|
| 1553 | #Test East |
---|
| 1554 | uh = 1 |
---|
| 1555 | vh = 1.e-15 |
---|
| 1556 | angle = calc_bearing(uh, vh) |
---|
| 1557 | if 89 < angle < 91: v=1 |
---|
| 1558 | assert v==1 |
---|
| 1559 | #Test West |
---|
| 1560 | uh = -1 |
---|
| 1561 | vh = 1.e-15 |
---|
| 1562 | angle = calc_bearing(uh, vh) |
---|
| 1563 | if 269 < angle < 271: v=1 |
---|
| 1564 | assert v==1 |
---|
| 1565 | #Test North |
---|
| 1566 | uh = 1.e-15 |
---|
| 1567 | vh = 1 |
---|
| 1568 | angle = calc_bearing(uh, vh) |
---|
| 1569 | if -1 < angle < 1: v=1 |
---|
| 1570 | assert v==1 |
---|
| 1571 | #Test South |
---|
| 1572 | uh = 1.e-15 |
---|
| 1573 | vh = -1 |
---|
| 1574 | angle = calc_bearing(uh, vh) |
---|
| 1575 | if 179 < angle < 181: v=1 |
---|
| 1576 | assert v==1 |
---|
| 1577 | #Test South-East |
---|
| 1578 | uh = 1 |
---|
| 1579 | vh = -1 |
---|
| 1580 | angle = calc_bearing(uh, vh) |
---|
| 1581 | if 134 < angle < 136: v=1 |
---|
| 1582 | assert v==1 |
---|
| 1583 | #Test North-East |
---|
| 1584 | uh = 1 |
---|
| 1585 | vh = 1 |
---|
| 1586 | angle = calc_bearing(uh, vh) |
---|
| 1587 | if 44 < angle < 46: v=1 |
---|
| 1588 | assert v==1 |
---|
| 1589 | #Test South-West |
---|
| 1590 | uh = -1 |
---|
| 1591 | vh = -1 |
---|
| 1592 | angle = calc_bearing(uh, vh) |
---|
| 1593 | if 224 < angle < 226: v=1 |
---|
| 1594 | assert v==1 |
---|
| 1595 | #Test North-West |
---|
| 1596 | uh = -1 |
---|
| 1597 | vh = 1 |
---|
| 1598 | angle = calc_bearing(uh, vh) |
---|
| 1599 | if 314 < angle < 316: v=1 |
---|
| 1600 | assert v==1 |
---|
| 1601 | |
---|
[7695] | 1602 | def test_calc_bearings_zero_vector(self): |
---|
| 1603 | from math import atan, degrees |
---|
[5897] | 1604 | |
---|
[7695] | 1605 | uh = 0 |
---|
| 1606 | vh = 0 |
---|
| 1607 | angle = calc_bearing(uh, vh) |
---|
| 1608 | |
---|
| 1609 | assert angle == NAN |
---|
| 1610 | |
---|
[5897] | 1611 | #------------------------------------------------------------- |
---|
[7276] | 1612 | |
---|
[5897] | 1613 | if __name__ == "__main__": |
---|
[7276] | 1614 | suite = unittest.makeSuite(Test_Util, 'test') |
---|
[5897] | 1615 | # runner = unittest.TextTestRunner(verbosity=2) |
---|
| 1616 | runner = unittest.TextTestRunner(verbosity=1) |
---|
| 1617 | runner.run(suite) |
---|