static const char INTERP_NEAREST_STR[]= "nearest";
static const char INTERP_LINEAR_STR[]= "linear";
static const char INTERP_BSPLINE_STR[]= "bspline";
static const char INTERP_NEAREST_STR[]= "nearest";
static const char INTERP_LINEAR_STR[]= "linear";
static const char INTERP_BSPLINE_STR[]= "bspline";