#include "HxImageRep.h"
Go to the source code of this file.
Functions | |
| HxImageRep L_HXIMAGEREP | HxCross (HxImageRep im1, HxImageRep im2) |
| Cross product. More... | |
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Cross product. The function performs cross product (see Pixels) on all pixels in the input images via a binary pixel operation (see Images). Implementation specifics : The pixel functor : HxBpoCross. The image functor instantiator : HxInstantiatorCross.
00013 {
00014 HxString fname("HxCross");
00015
00016 if (im1.isNull())
00017 {
00018 HxGlobalError::instance()->reportError(fname, im1.name(), "null image", HxGlobalError::HX_GE_INVALID);
00019 return HxImageRep();
00020 }
00021 if (im2.isNull())
00022 {
00023 HxGlobalError::instance()->reportError(fname, im2.name(), "null image", HxGlobalError::HX_GE_INVALID);
00024 return HxImageRep();
00025 }
00026
00027 if (im1.dimensionality() != im2.dimensionality())
00028 {
00029 HxGlobalError::instance()->reportError(fname, "unequal image dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00030 return HxImageRep();
00031 }
00032
00033 if ((im1.pixelDimensionality() != 3) || (im2.pixelDimensionality() != 3))
00034 {
00035 HxGlobalError::instance()->reportError(fname, "Operation is only valid for vec3 images", HxGlobalError::HX_GE_INVALID);
00036 return HxImageRep();
00037 }
00038
00039 if (im1.sizes().x() != im2.sizes().x())
00040 {
00041 HxGlobalError::instance()->reportError(fname, "unequal image widths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00042 return HxImageRep();
00043 }
00044 if (im1.sizes().y() != im2.sizes().y())
00045 {
00046 HxGlobalError::instance()->reportError(fname, "unequal image heights", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00047 return HxImageRep();
00048 }
00049 if (im1.dimensionality() > 2)
00050 {
00051 if (im1.sizes().z() != im2.sizes().z())
00052 {
00053 HxGlobalError::instance()->reportError(fname, "unequal image depths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00054 return HxImageRep();
00055 }
00056 }
00057
00058 return im1.binaryPixOp(im2, "cross");
00059 }
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1.2.12 written by Dimitri van Heesch,
© 1997-2001