Method ExtractPoint

IO/GeoJSON/vtkGeoJSONFeature.cxx:101–129

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//------------------------------------------------------------------------------
vtkPolyData* vtkGeoJSONFeature::ExtractPoint(
  const Json::Value& coordinates, vtkPolyData* outputData)
{
  // Check if Coordinates corresponds to Single Point
  if (!IsPoint(coordinates))
  {
    vtkErrorMacro(<< "Wrong data format for a point!");
    return nullptr;
  }

  // Obtain point data from Json structure and add to outputData
  double point[3];
  CreatePoint(coordinates, point);

  const int PID_SIZE = 1;
  vtkIdType pid;

  vtkPoints* points = outputData->GetPoints();
  pid = points->InsertNextPoint(point);

  vtkCellArray* verts = outputData->GetVerts();
  verts->InsertNextCell(PID_SIZE, &pid);

  vtkAbstractArray* array = outputData->GetCellData()->GetAbstractArray("feature-id");
  vtkStringArray* ids = vtkArrayDownCast<vtkStringArray>(array);
  ids->InsertNextValue(this->FeatureId);

  return outputData;
}

//------------------------------------------------------------------------------
vtkPolyData* vtkGeoJSONFeature::ExtractMultiPoint(