Changeset 2148 for GTP/trunk/Lib/Vis/Preprocessing/src/Material.cpp

Timestamp:

02/21/07 20:14:45 (17 years ago)

Author:

bittner

Message:

rainbow color maps

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/Material.cpp (modified) (1 diff)

GTP/trunk/Lib/Vis/Preprocessing/src/Material.cpp

@@ -26 +26 @@
 }
 
+
+
+RgbColor
+RainbowColorMapping(const float _value)
+{
+  RgbColor color;
+
+  float value = 1.0f - _value;
+
+#define MAX_COLOR_VALUE 1.0f
+  
+  switch ((int)(value*4.0f)) {
+  case 0:
+        color.r = MAX_COLOR_VALUE;
+        color.g = value*MAX_COLOR_VALUE;
+        color.b = 0.0f;
+        break;
+  case 1:
+        color.r = (1.0f - value)*MAX_COLOR_VALUE;;
+        color.g = MAX_COLOR_VALUE;
+        color.b = 0.0f;
+        break;
+  case 2:
+        color.r = 0.0f;
+        color.g = MAX_COLOR_VALUE;
+        color.b = value*MAX_COLOR_VALUE;
+        break;
+  case 3:
+        color.r = 0.0f;
+        color.g = (1.0f - value)*MAX_COLOR_VALUE;;
+        color.b = MAX_COLOR_VALUE;
+        break;
+  default:
+        color.r = value*MAX_COLOR_VALUE;
+        color.g = 0.0f;
+        color.b = MAX_COLOR_VALUE;
+        break;
+  }
+  return color;
 }
+
+RgbColor
+GreenRedColorMap(const float value)
+{
+  RgbColor color;
+  
+#define MAX_COLOR_VALUE 1.0f
+  
+  color.r = MAX_COLOR_VALUE*value;
+  color.g = MAX_COLOR_VALUE*(1.0f - value);
+  color.b = 0.0f;
+  
+  return color;
+}
+
+
+}