ttkGaussianPointCloud.cpp

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#include <vtkIdTypeArray.h>
#include <vtkInformation.h>
#include <vtkNew.h>
#include <vtkPolyData.h>
 
#include <ttkGaussianPointCloud.h>
#include <ttkUtils.h>
 
vtkStandardNewMacro(ttkGaussianPointCloud);
 
ttkGaussianPointCloud::ttkGaussianPointCloud() {
  SetNumberOfInputPorts(0);
  SetNumberOfOutputPorts(1);
}
 
int ttkGaussianPointCloud::FillOutputPortInformation(int port,
                                                     vtkInformation *info) {
  if(port == 0) {
    info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkPolyData");
    return 1;
  }
  return 0;
}
 
int ttkGaussianPointCloud::RequestData(
  vtkInformation *ttkNotUsed(request),
  vtkInformationVector **ttkNotUsed(inputVector),
  vtkInformationVector *outputVector) {
 
  auto domain = vtkPolyData::GetData(outputVector);
 
  vtkNew<vtkPoints> points{};
  points->SetNumberOfPoints(NumberOfSamples);
 
  if(points->GetDataType() == VTK_FLOAT) {
    this->generate<float>(
      Dimension, NumberOfSamples, RandomSeed,
      static_cast<float *>(ttkUtils::GetVoidPointer(points)));
  } else if(points->GetDataType() == VTK_DOUBLE) {
    this->generate<double>(
      Dimension, NumberOfSamples, RandomSeed,
      static_cast<double *>(ttkUtils::GetVoidPointer(points)));
  }
 
  ttkUtils::CellVertexFromPoints(domain, points);
 
  return 1;
}