00001 def colormap1(data):
00002 data = data * 6000
00003 if data < 1000:
00004 return (0,0,0)
00005 if data < 3000:
00006 x = (data-1000)/2000.
00007 return 0,0,x
00008 if data < 6000:
00009 x = (data-3000)/3000.
00010 return x,0,(1-x)
00011 if data < 10000:
00012 x = (data-6000)/4000.
00013 return 1.0,x,x
00014 return 1.0,1.0,1.0
00015
00016 def colormap2(data):
00017 if data < -1:
00018 return 0,0,1
00019 if data < 0:
00020 x = data+1
00021 return 0,0,1*(1-x)
00022 if data < 1:
00023 x = data
00024 return 1*x,0,0
00025 if data < 3:
00026 x = data-1
00027 return 1,1*x,1*x
00028 return 1,1,1
00029
00030 color = colormap2
00031
00032 def color255(data):
00033 (r,g,b) = color(data)
00034 return (255 * r, 255 * g, 255 * b)
