Introduced a cast(T) method into the ImageUtils template functor to allow code reading images to handle casting from source data to a form that a user can use more conviently

2013-11-06 09:23:21 +00:00
parent ef3a65b93f
commit 6f6c44446c
6 changed files with 126 additions and 5 deletions
--- a/src/osgVolume/Layer.cpp
+++ b/src/osgVolume/Layer.cpp
@@ -491,7 +491,7 @@ osg::Image* osgVolume::createNormalMapTexture(osg::Image* image_3d)
 //
 // applyTransferFunction
 //
-struct ApplyTransferFunctionOperator
+struct ApplyTransferFunctionOperator : public osg::CastAndScaleToFloatOperation
 {
    ApplyTransferFunctionOperator(osg::TransferFunction1D* tf, unsigned char* data):
        _tf(tf),