/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/classgen.py

Diff of /branches/WIP-pyshapelib-bramz/Thuban/Model/classgen.py

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-revision 1524 by jonathan,
Wed Jul 16 13:21:59 2003 UTC
+revision 1525 by jonathan,
Wed Jul 30 15:42:56 2003 UTC
 Line 377 
 def calculate_quantiles(_list, percents,
  class CustomRamp:
      def __init__(self, prop1, prop2):
+         """Create a ramp between prop1 and prop2."""
          self.prop1 = prop1
          self.prop2 = prop2
      def GetRamp(self):
+         """Return this ramp."""
          return self
      def GetProperties(self, index):
-Line 410 
 class CustomRamp:
+Line 412 
 class CustomRamp:
          return newProps
      def __SetProperty(self, color1, color2, index, setf):
+         """Use setf to set the appropriate property for the point
+         index percent between color1 and color2. setf is a function
+         to call that accepts a Color object or Transparent.
+         """
          if color1 is Transparent and color2 is Transparent:
              setf(Transparent)
-Line 430 
 class CustomRamp:
+Line 436 
 class CustomRamp:
                  (color2.blue  - color1.blue)  * index + color1.blue))
  class MonochromaticRamp(CustomRamp):
+     """Helper class to make ramps between two colors."""
      def __init__(self, start, end):
+         """Create a Monochromatic Ramp.
+         start -- starting Color
+         end -- ending Color
+         """
          sp = ClassGroupProperties()
          sp.SetLineColor(start)
          sp.SetFill(start)
-Line 441 
 class MonochromaticRamp(CustomRamp):
+Line 455 
 class MonochromaticRamp(CustomRamp):
          CustomRamp.__init__(self, sp, ep)
- GreyRamp       = MonochromaticRamp(Color(1, 1, 1),  Color(0, 0, 0))
+ grey_ramp         = MonochromaticRamp(Color(1, 1, 1),  Color(0, 0, 0))
- RedRamp        = MonochromaticRamp(Color(1, 1, 1),  Color(.8, 0, 0))
+ red_ramp          = MonochromaticRamp(Color(1, 1, 1),  Color(.8, 0, 0))
- GreenRamp      = MonochromaticRamp(Color(1, 1, 1),  Color(0, .8, 0))
+ green_ramp        = MonochromaticRamp(Color(1, 1, 1),  Color(0, .8, 0))
- BlueRamp       = MonochromaticRamp(Color(1, 1, 1),  Color(0, 0, .8))
+ blue_ramp         = MonochromaticRamp(Color(1, 1, 1),  Color(0, 0, .8))
- GreenToRedRamp = MonochromaticRamp(Color(0, .8, 0), Color(1, 0, 0))
+ green_to_red_ramp = MonochromaticRamp(Color(0, .8, 0), Color(1, 0, 0))
  class HotToColdRamp:
+     """A ramp that generates properties with colors ranging from
+     'hot' colors (e.g. red, orange) to 'cold' colors (e.g. green, blue)
+     """
      def GetRamp(self):
+         """Return this ramp."""
          return self
      def GetProperties(self, index):
-Line 498 
 class FixedRamp:
+Line 516 
 class FixedRamp:
          self.ramp = ramp
      def GetRamp(self):
+         """Return this ramp."""
          return self
      def GetProperties(self, index):
+         """Return a ClassGroupProperties object whose properties
+         represent a point at 'index' between the properties in
+         the ramp that initialized this FixedRamp.
+         index -- a value such that 0 <= index <= 1
+         """
          props = self.ramp.GetProperties(index)
          if self.fixes[0] is not None: props.SetLineColor(self.fixes[0])
          if self.fixes[1] is not None: props.SetLineWidth(self.fixes[1])

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