[fix] clitools anaglyph should not color black points

clitools/filters/anaglyph.py

@@ -66,9 +66,9 @@ red     = (41,24,24)
 white   = (95,95,95)
 blue    = (0,41,64)
 
-red     = (255,0,0)
-blue    = (0,255,255)
-white   = (255,255,255)
+red     = (127,0,0)
+blue    = (0,128,128)
+white   = (128,128,128)
 def anaglyph( pl ):
 
     debug(name,'--------------- new loop ------------------')
@@ -174,7 +174,6 @@ def anaglyph( pl ):
     debug(name,"whiteList:{}".format(out1))
     debug(name,"blueList:{}".format(out2))
     debug(name,"redList:{}".format(out3))
-    return out3 + out2
     return out1 + out3 + out2
     #return out1 + out2 + out3