[Insight-developers] template over index and point in ImageBase.h

[gang song]

Hi,

I have a question about the prototype of some member function  in ImageBase.h

Is it better to set template over index and point separately, in order
to avoid call index.CastFrom() / point.CastFrom() ? There are a bunch
of such functions.

Example:

change from

  template<class TCoordRep>
  void TransformContinuousIndexToPhysicalPoint(
            const ContinuousIndex<TCoordRep, VImageDimension>& index,
            Point<TCoordRep, VImageDimension>& point        ) const

to

  template<class TCoordRep1, class TTCoordRep2>

  void TransformContinuousIndexToPhysicalPoint(
            const ContinuousIndex<TCoordRep1, VImageDimension>& index,
            Point<TCoordRep2, VImageDimension>& point        ) const


Thanks

-Gang
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