Parameters

"string viewchannel"

Is one of:

Nn - x,y,z mapped to rgb. <0,0,0> is middle grey.

Vn - x,y,z mapped to rgb. <0,0,0> is middle grey.

VLen - scalar mapped to intensity.

Tn - x,y,z mapped to rgb. <0,0,0> is middle grey.

ST - s mapped to red, t to green.

UV - u mapped to red, v to green.

InsideOutside - The dot product of V and N is used to determine whether a surface is outside or inside. Outside is mapped to green inside is mapped to red.

P - x,y,z mapped to rgb. <0,0,0> is middle grey.

dPdu - x,y,z mapped to rgb. <0,0,0> is middle grey.

dPdv - x,y,z mapped to rgb. <0,0,0> is middle grey.

and defaults to Nn.