HI,
I use double scaler type from input but work with (Black or white )
threshold setting My code is follow bellow
int apply = 0;
imageThreshold->SetInputConnection(firstColorMapper->GetOutputPort());
imageThreshold->ReplaceInOn();
imageThreshold->SetInValue(255);
imageThreshold->ReplaceOutOn();
imageThreshold->SetOutValue(255);
imageThreshold->SetOutputScalarType(fixedConnector->GetOutput()->GetScalarType());
//double
imageThreshold->ThresholdBetween(VTK_SHORT_MIN, VTK_SHORT_MAX);
imageThreshold->ThresholdBetween( -3495, 2161 );
imageThreshold->SetOutValue(apply ? 0 : 255);
imageThreshold->Update();
double low = (!enableThreshold) ? range[0] : lowThreshold;
double upper = (!enableThreshold) ? range[1] : upperThreshold;
vtkSmartPointer<vtkImageThreshold> imageThreshold2 =
vtkSmartPointer<vtkImageThreshold>::New();
// imageThreshold2->SetInputData(mImage);
imageThreshold2->SetInputConnection(secondColorMapper->GetOutputPort());
imageThreshold2->ReplaceInOn();
imageThreshold2->SetInValue(255);
imageThreshold2->ReplaceOutOn();
imageThreshold2->SetOutValue(255);
imageThreshold2->SetOutputScalarType(fixedConnector->GetOutput()->GetScalarType());
//double
imageThreshold2->ThresholdBetween(VTK_SHORT_MIN, VTK_SHORT_MAX);
imageThreshold2->ThresholdBetween( 160, 6088 );
imageThreshold2->SetOutValue(apply ? 0 : 255);
imageThreshold2->Update();
Thanks
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