text: // Copyright 2013 Velodyne Acoustics, Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkGridSource.cxx
  
    Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
    All rights reserved.
    See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
  
    This software is distributed WITHOUT ANY WARRANTY; without even
    the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    PURPOSE.  See the above copyright notice for more information.
  
  =========================================================================*/
  // .NAME vtkGridSource - generates a vtkPolyData measurement grid plane
  // .Section Description
  //
  
  #ifndef _vtkGridSource_h
  #define _vtkGridSource_h
  
  #include <vtkPolyDataAlgorithm.h>
  #include <vtkSmartPointer.h>
  
  class VTK_EXPORT vtkGridSource : public vtkPolyDataAlgorithm
  {
  public:
    static vtkGridSource* New();
    vtkTypeMacro(vtkGridSource, vtkPolyDataAlgorithm)
    void PrintSelf(ostream& os, vtkIndent indent);
  
    vtkSetMacro(GridNbTicks, int);
    vtkGetMacro(GridNbTicks, int);
  
    vtkSetMacro(Scale, double);
    vtkGetMacro(Scale, double);
  
    vtkSetMacro(LineWidth, int);
    vtkGetMacro(LineWidth, int);
  
    vtkSetMacro(DistanceResolutionM, double);
    vtkGetMacro(DistanceResolutionM, double);
  
    vtkSetVector3Macro(Origin, double);
    vtkGetVector3Macro(Origin, double);
  
    vtkSetVector3Macro(Normal, double);
    vtkGetVector3Macro(Normal, double);
  
    vtkSetVector3Macro(Color, double);
    vtkGetVector3Macro(Color, double);
  
    static vtkSmartPointer<vtkPolyData> CreateGrid(
      int gridNbTicks, double scale, double origin[3], double normal[3]);
  
  protected:
    vtkGridSource();
    ~vtkGridSource();
  
    int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
  
    // width of the grid in number of square
    int GridNbTicks;
    double Scale;
    double DistanceResolutionM;
    int LineWidth;
    double Origin[3];
    double Normal[3];
    double Color[3];
  
  private:
    vtkGridSource(const vtkGridSource&);
    void operator=(const vtkGridSource&);
  };
  #endif
  