Conversion of RGB to intensity.
The function converts an RGB image to an intensity image
00080 {
00081 HxString fname("HxRGB2Intensity");
00082
00083 if (im.isNull())
00084 {
00085 HxGlobalError::instance()->reportError(fname, im.name(), "null image", HxGlobalError::HX_GE_INVALID);
00086 return HxImageRep();
00087 }
00088 if (im.signature().pixelDimensionality() != 3)
00089 {
00090 HxGlobalError::instance()->reportError(fname, "RGB to intensity conversions are only valid for Vec3 images", HxGlobalError::HX_GE_INVALID);
00091 return HxImageRep();
00092 }
00093
00094 return im.unaryPixOp("RGB2Intensity");
00095 }
