- <parameter type="list" name="Channel" default="0" paramlist="0,1,2,3" paramlistdisplay="Red,Green,Blue,Luma">
+ <parameter type="list" name="Channel" default="0.5" paramlist="0.5;0;0.1;0.2;0.3;0.4;0.6;0.71">
+ <paramlistdisplay>RGB,Red,Green,Blue,Alpha,Luma,Hue,Saturation</paramlistdisplay>