selectEnclosedPoints.C

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/*******************************************************************************
* Promesh                                                                      *
* Copyright (C) 2022, IllinoisRocstar LLC. All rights reserved.                *
*                                                                              *
* Promesh is the property of IllinoisRocstar LLC.                              *
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* IllinoisRocstar LLC                                                          *
* Champaign, IL                                                                *
* www.illinoisrocstar.com                                                      *
* promesh@illinoisrocstar.com                                                  *
*******************************************************************************/
/*******************************************************************************
* This file is part of Promesh                                                 *
*                                                                              *
* This version of Promesh is free software: you can redistribute it and/or     *
* modify it under the terms of the GNU Lesser General Public License as        *
* published by the Free Software Foundation, either version 3 of the License,  *
* or (at your option) any later version.                                       *
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more *
* details.                                                                     *
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*******************************************************************************/
#include "selectEnclosedPoints.H"

#include <vtkGeometryFilter.h>
#include <vtkPointData.h>
#include <vtkSelectEnclosedPoints.h>

/*
selectEnclosedPoints::selectEnclosedPoints(const meshBase *) {
  vtkSmartPointer<vtkSelectEnclosedPoints> sep =
      vtkSmartPointer<vtkSelectEnclosedPoints>::New();
  vtkSmartPointer<vtkPolyData> pd = vtkSmartPointer<vtkPolyData>::New();
  vtkSmartPointer<vtkDataSet> ds = vtkSmartPointer<vtkDataSet>::New();

  sep->SetInputData(ds);
  sep->SetSurfaceData(pd);

  sep->Update();

  _output = sep->GetOutput();
  _output->GetPointData()->GetScalars("SelectedPoints");
}
*/

vtkDataArray *selectEnclosedPoints::fromDataSet(vtkDataSet *mesh,
                                                vtkDataSet *points) {
  vtkSmartPointer<vtkGeometryFilter> gf =
      vtkSmartPointer<vtkGeometryFilter>::New();
  vtkSmartPointer<vtkSelectEnclosedPoints> sep =
      vtkSmartPointer<vtkSelectEnclosedPoints>::New();

  // Send the input mesh to the Geometry Filter to convert to surface
  gf->SetInputData(mesh);

  // Send input points and surface from Geometry Filter to Select Enclosed
  // Points algorithm
  sep->SetInputData(points);
  sep->SetSurfaceConnection(gf->GetOutputPort());

  // Get the resulting mask.
  return sep->GetOutput()->GetPointData()->GetScalars("SelectedPoints");
}