added the clamping of values to the 1D lut/rmap domain, prior to index generation.  This is part of the sementics of the functions.
added the clamping of values to the 1D lut/rmap domain, prior to index generation.  This is part of the sementics of the functions.


git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@670 3d70eeeb-363e-0410-a505-8a46323a89f2

BRAINSia/teem,Slicer/teem,BRAINSia/teem,BRAINSia/teem,BRAINSia/teem,Slicer/teem,Slicer/teem,Slicer/teem,Slicer/teem,BRAINSia/teem