/[thuban]/branches/WIP-pyshapelib-bramz/test/test_classgen.py

Diff of /branches/WIP-pyshapelib-bramz/test/test_classgen.py

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-revision 1362 by jonathan,
Wed Jul  2 12:59:34 2003 UTC
+revision 1379 by bh,
Tue Jul  8 13:23:20 2003 UTC
 Line 21 
 from Thuban.Model.classgen import \
      generate_uniform_distribution, \
      generate_quantiles, \
      calculate_quantiles, \
-     GreyRamp
+     GreyRamp, CustomRamp
  from Thuban.Model.range import Range
  from Thuban.Model.color import Color
- from Thuban.Model.classification import ClassGroupRange
+ from Thuban.Model.classification import ClassGroupRange, ClassGroupProperties
  class ClassGenTest(unittest.TestCase):
 Line 299 
 class ClassGenTest(unittest.TestCase):
                      [.12, .24, .36, .50, .62, .76, .88, 1.0], Range("[1;5]"))
          eq(result, (1, 0, 24, [(4, .2), (9, .4), (14, .6), (19, .8), (24, 1.0)]))
+ class TestCustomRamp(unittest.TestCase):
+     def test_color_interpolation(self):
+         """Test CustomRamp color interpolation"""
+         start = ClassGroupProperties()
+         start.SetFill(Color(1, 1, 1))
+         start.SetLineColor(Color(0, 0, 0))
+         end = ClassGroupProperties()
+         end.SetFill(Color(1, 0, 0))
+         end.SetLineColor(Color(0, 1, 0))
+         ramp = CustomRamp(start, end)
+         half = ramp.GetProperties(0.5)
+         self.assertEquals(half.GetFill(), Color(1, 0.5, 0.5))
+         self.assertEquals(half.GetLineColor(), Color(0, 0.5, 0))
  if __name__ == "__main__":
      unittest.main()

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