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Merged
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Mar 25, 2026
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[pull] master from valette:master #69

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34 changes: 23 additions & 11 deletions VolumeProcessing/Examples/VolumeSlice.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@ class MyThreaderHelperClass
double Shift;
bool userdefinedscale;
int Format;
bool charPNG;
double Range[2];
int NumberOfSlices;
int xyzOrientation;
Expand All @@ -66,6 +67,7 @@ class MyThreaderHelperClass
Shift = 0;
Scale = 1;
Format = 1;
charPNG = false;
xyzOrientation = 0;
}

Expand All @@ -78,7 +80,7 @@ VTK_THREAD_RETURN_TYPE ThreadedImageSlice (void *arg) {
MyThreaderHelperClass *Helper = (MyThreaderHelperClass *) Info->UserData;
int MyId = Info->ThreadID;
int NumberOfThreads = Info->NumberOfThreads;

vtkImageData *Image = Helper->Images[MyId];

vtkImageReslice *Slicer = Helper->Slicers[MyId];
Expand Down Expand Up @@ -172,7 +174,7 @@ VTK_THREAD_RETURN_TYPE ThreadedImageSlice (void *arg) {
Suffix << ".png";
PNGSlice = vtkImageData::New();
PNGSlice->SetDimensions(Dimensions);
PNGSlice->AllocateScalars(VTK_UNSIGNED_CHAR, NumComponents);
PNGSlice->AllocateScalars(VTK_UNSIGNED_CHAR, NumComponents);
} else if ( ( Helper->Format == 0 ) && ( Image->GetNumberOfScalarComponents() == 3 ) ) {
Cast->SetOutputScalarTypeToUnsignedChar ();
Writer = vtkPNGWriter::New();
Expand All @@ -182,8 +184,14 @@ VTK_THREAD_RETURN_TYPE ThreadedImageSlice (void *arg) {
PNGSlice->AllocateScalars(VTK_UNSIGNED_CHAR, 3);
} else {
Cast->SetOutputScalarTypeToUnsignedChar ();
Writer = (vtkImageWriter *) vtkJPEGWriter::New();
Suffix << ".jpg";
if ( !Helper->charPNG ) {
Writer = (vtkImageWriter *) vtkJPEGWriter::New();
Suffix << ".jpg";
} else {
Writer = (vtkImageWriter *) vtkPNGWriter::New();
Suffix << ".png";
}

if (!Helper->userdefinedscale) {
Cast->SetShift(-Helper->Range[0]);
Cast->SetScale(255 / (Helper->Range[1] - Helper->Range[0]));
Expand Down Expand Up @@ -267,7 +275,7 @@ int main( int argc, char *argv[] )
cout<<"-orientation : set the axe used for the orientation of the slice (0 : z; 1 : x; 2 : y) default : 0"<<endl;
exit(1);
}

// Load Volume
cout << "load : " << argv[1] << endl;
vtkRobustImageReader *Reader = vtkRobustImageReader::New();
Expand All @@ -276,9 +284,9 @@ int main( int argc, char *argv[] )
vtkImageData *Image = Reader->GetOutput();
Image->GetScalarRange(Helper.Range);
cout << "Range : " << Helper.Range[0] << " " << Helper.Range[1] << endl;

Helper.Image=Image;

bool matrixFound = false;
bool anOrientation = false;
std::string matrixPrefix;
Expand Down Expand Up @@ -331,6 +339,10 @@ int main( int argc, char *argv[] )
Helper.userdefinedscale=true;
}

if (strcmp(argv[ArgumentsIndex], "--png") == 0) {
Helper.charPNG = atoi(argv[ArgumentsIndex + 1]);;
}

if (strcmp(argv[ArgumentsIndex], "-sh") == 0) {
double Shift = atof(argv[ArgumentsIndex + 1]);
cout << "Shift=" << Shift << endl;
Expand All @@ -347,13 +359,13 @@ int main( int argc, char *argv[] )
strcpy (Helper.directory, argv[ArgumentsIndex + 1]);
cout << "Output directory : " << Helper.directory << endl;
}

if (strcmp(argv[ArgumentsIndex], "-orientation")==0) {
int tempVal = atoi(argv[ArgumentsIndex+1]);
if((0 <= tempVal) && (tempVal < 3))
Helper.xyzOrientation = tempVal;
}

if (strcmp(argv[ArgumentsIndex],"-uc") == 0) {
int tempVal = atoi(argv[ArgumentsIndex+1]);
if(tempVal == 1) {
Expand Down Expand Up @@ -386,7 +398,7 @@ int main( int argc, char *argv[] )

int Dimensions[3];
Image->GetDimensions(Dimensions);

cout << "Dimensions : " << Dimensions[0] << " " <<
Dimensions[1] << " " << Dimensions[2] << endl;

Expand Down Expand Up @@ -484,7 +496,7 @@ int main( int argc, char *argv[] )
XMLAnOr->SetCharacterData (Helper.anatomicalOrientation, strlen(Helper.anatomicalOrientation)+1);
Root->AddNestedElement(XMLAnOr);
}

vtkXMLDataElement *Slices = vtkXMLDataElement::New ();
Slices->SetIntAttribute ("orientation", Helper.xyzOrientation);
Slices->SetIntAttribute ("offset", Helper.offset);
Expand Down
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