vtkJoiner.cxx

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00001 
00002 #include "vtkJoiner.h"
00003 
00004 vtkJoiner::vtkJoiner(){
00005 }
00006 
00007 vtkJoiner::~vtkJoiner(){
00008 }
00009 
00010 
00011 vtkImageData* vtkJoiner::join(vtkImageData *a, vtkImageData *b){
00012         
00013         int extent[6];
00014         vtkImageData *c = vtkImageData::New();
00015         c->DeepCopy(a);
00016         
00017         unsigned char *ptrA = NULL;
00018         unsigned char *ptrB = NULL;
00019         unsigned char *ptrC = NULL;
00020 
00021         a->GetExtent(extent);
00022         int i, j, k;
00023         for(i=extent[0];i<=extent[1];i++){
00024                 for(j=extent[2];j<=extent[3];j++){
00025                         for(k=extent[4];k<=extent[5];k++){
00026                                 ptrA = (unsigned char *) a->GetScalarPointer(i,j,k);
00027                                 ptrB = (unsigned char *) b->GetScalarPointer(i,j,k);
00028                                 ptrC = (unsigned char *) c->GetScalarPointer(i,j,k);
00029                                 if ((*ptrA != 0) || (*ptrB != 0)){
00030                                         *ptrC=255;
00031                                 }
00032                                 else{
00033                                         *ptrC = 0;
00034                                 }
00035                         }
00036                 }
00037         }
00038 
00039         return c;
00040 }