21 #ifndef vtkDirectionEncoder_h
22 #define vtkDirectionEncoder_h
25 #include "vtkRenderingVolumeModule.h"
27 VTK_ABI_NAMESPACE_BEGIN
42 virtual int GetEncodedDirection(
float n[3]) = 0;
52 virtual int GetNumberOfEncodedDirections() = 0;
60 virtual float* GetDecodedGradientTable() = 0;
abstract base class for most VTK objects
encode a direction into a one or two byte value
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
a simple class to control print indentation
#define VTK_SIZEHINT(...)