Changeset 3196 for inundation/utilities

Timestamp:

Jun 21, 2006, 4:45:37 PM (19 years ago)

Author:

duncan

Message:

adding tests and comments

File:

• inundation/utilities/test_polygon.py (modified) (1 diff)

inundation/utilities/test_polygon.py

@@ -444 +444 @@
             assert not is_inside_polygon(point, ex_poly1)
             assert not is_inside_polygon(point, ex_poly2)                                
+        
+
+        #Very convoluted polygon
+        polygon = [[0,0], [10,10], [15,5], [20, 10], [25,0], [30,10], [40,-10]]
+        ex_poly = [[-1,-1], [5,0], [5, 5], [-1,5]]
+        points = populate_polygon(polygon, 20, exclude = [ex_poly])
+        
+        assert len(points) == 20
+        for point in points:
+            assert is_inside_polygon(point, polygon)
+            assert not is_inside_polygon(point, ex_poly), '%s' %str(point)                        
+
+
+    def test_populate_polygon_with_exclude2(self):
+        
+
+        min_outer = 0 
+        max_outer = 1000
+        polygon_outer = [[min_outer,min_outer],[max_outer,min_outer],
+                   [max_outer,max_outer],[min_outer,max_outer]]
+
+        delta = 10
+        min_inner1 = min_outer + delta
+        max_inner1 = max_outer - delta
+        inner1_polygon = [[min_inner1,min_inner1],[max_inner1,min_inner1],
+                   [max_inner1,max_inner1],[min_inner1,max_inner1]]
+      
+        
+        density_inner2 = 1000 
+        min_inner2 = min_outer +  2*delta
+        max_inner2 = max_outer -  2*delta
+        inner2_polygon = [[min_inner2,min_inner2],[max_inner2,min_inner2],
+                   [max_inner2,max_inner2],[min_inner2,max_inner2]]      
+        
+        points = populate_polygon(polygon_outer, 20, exclude = [inner1_polygon, inner2_polygon])
+
+        assert len(points) == 20
+        for point in points:
+            assert is_inside_polygon(point, polygon_outer)
+            assert not is_inside_polygon(point, inner1_polygon)
+            assert not is_inside_polygon(point, inner2_polygon)