vtkClipClosedSurface.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkClipClosedSurface.h

  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.

=========================================================================*/
#ifndef vtkClipClosedSurface_h
#define vtkClipClosedSurface_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkPlaneCollection;
class vtkUnsignedCharArray;
class vtkDoubleArray;
class vtkIdTypeArray;
class vtkCellArray;
class vtkPointData;
class vtkCellData;
class vtkPolygon;
class vtkIdList;
class vtkCCSEdgeLocator;

enum {
  VTK_CCS_SCALAR_MODE_NONE = 0,
  VTK_CCS_SCALAR_MODE_COLORS = 1,
  VTK_CCS_SCALAR_MODE_LABELS = 2
};

class VTKFILTERSGENERAL_EXPORT vtkClipClosedSurface : public vtkPolyDataAlgorithm
{
public:
  static vtkClipClosedSurface *New();
  vtkTypeMacro(vtkClipClosedSurface,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetClippingPlanes(vtkPlaneCollection *planes);
  vtkGetObjectMacro(ClippingPlanes,vtkPlaneCollection);


  vtkSetMacro(Tolerance, double);
  vtkGetMacro(Tolerance, double);


  vtkSetMacro(PassPointData, int);
  vtkBooleanMacro(PassPointData, int);
  vtkGetMacro(PassPointData, int);


  vtkSetMacro(GenerateOutline, int);
  vtkBooleanMacro(GenerateOutline, int);
  vtkGetMacro(GenerateOutline, int);


  vtkSetMacro(GenerateFaces, int);
  vtkBooleanMacro(GenerateFaces, int);
  vtkGetMacro(GenerateFaces, int);


  vtkSetClampMacro(ScalarMode, int,
    VTK_CCS_SCALAR_MODE_NONE, VTK_CCS_SCALAR_MODE_LABELS);
  void SetScalarModeToNone() {
    this->SetScalarMode(VTK_CCS_SCALAR_MODE_NONE); };
  void SetScalarModeToColors() {
    this->SetScalarMode(VTK_CCS_SCALAR_MODE_COLORS); };
  void SetScalarModeToLabels() {
    this->SetScalarMode(VTK_CCS_SCALAR_MODE_LABELS); };
  vtkGetMacro(ScalarMode, int);
  const char *GetScalarModeAsString();


  vtkSetVector3Macro(BaseColor, double);
  vtkGetVector3Macro(BaseColor, double);


  vtkSetVector3Macro(ClipColor, double);
  vtkGetVector3Macro(ClipColor, double);


  vtkSetMacro(ActivePlaneId, int);
  vtkGetMacro(ActivePlaneId, int);


  vtkSetVector3Macro(ActivePlaneColor, double);
  vtkGetVector3Macro(ActivePlaneColor, double);


  vtkSetMacro(TriangulationErrorDisplay, int);
  vtkBooleanMacro(TriangulationErrorDisplay, int);
  vtkGetMacro(TriangulationErrorDisplay, int);

protected:
  vtkClipClosedSurface();
  ~vtkClipClosedSurface();

  vtkPlaneCollection *ClippingPlanes;

  double Tolerance;

  int PassPointData;
  int GenerateOutline;
  int GenerateFaces;
  int ActivePlaneId;
  int ScalarMode;
  double BaseColor[3];
  double ClipColor[3];
  double ActivePlaneColor[3];

  int TriangulationErrorDisplay;

  vtkIdList *IdList;

  virtual int ComputePipelineMTime(
    vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector, int requestFromOutputPort,
    unsigned long* mtime);

  virtual int RequestData(
    vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);


  void ClipLines(
    vtkPoints *points, vtkDoubleArray *pointScalars,
    vtkPointData *pointData, vtkCCSEdgeLocator *edgeLocator,
    vtkCellArray *inputCells, vtkCellArray *outputLines,
    vtkCellData *inCellData, vtkCellData *outLineData);


  void ClipAndContourPolys(
    vtkPoints *points, vtkDoubleArray *pointScalars, vtkPointData *pointData,
    vtkCCSEdgeLocator *edgeLocator, int triangulate,
    vtkCellArray *inputCells, vtkCellArray *outputPolys,
    vtkCellArray *outputLines, vtkCellData *inPolyData,
    vtkCellData *outPolyData, vtkCellData *outLineData);


  static int InterpolateEdge(
    vtkPoints *points, vtkPointData *pointData,
    vtkCCSEdgeLocator *edgeLocator, double tol,
    vtkIdType i0, vtkIdType i1, double v0, double v1, vtkIdType &i);


  int TriangulatePolygon(
    vtkIdList *polygon, vtkPoints *points, vtkCellArray *triangles);


  void TriangulateContours(
    vtkPolyData *data, vtkIdType firstLine, vtkIdType numLines,
    vtkCellArray *outputPolys, const double normal[3]);


  static void BreakPolylines(
    vtkCellArray *inputLines, vtkCellArray *outputLines,
    vtkUnsignedCharArray *inputScalars, vtkIdType firstLineScalar,
    vtkUnsignedCharArray *outputScalars, const unsigned char color[3]);


  static void CopyPolygons(
    vtkCellArray *inputPolys, vtkCellArray *outputPolys,
    vtkUnsignedCharArray *inputScalars, vtkIdType firstPolyScalar,
    vtkUnsignedCharArray *outputScalars, const unsigned char color[3]);


  static void BreakTriangleStrips(
    vtkCellArray *inputStrips, vtkCellArray *outputPolys,
    vtkUnsignedCharArray *inputScalars, vtkIdType firstStripScalar,
    vtkUnsignedCharArray *outputScalars, const unsigned char color[3]);


  static void SqueezeOutputPoints(
    vtkPolyData *output, vtkPoints *points, vtkPointData *pointData,
    int outputPointDataType);


  static void CreateColorValues(
    const double color1[3], const double color2[3], const double color3[3],
    unsigned char colors[3][3]);

private:
  vtkClipClosedSurface(const vtkClipClosedSurface&);  // Not implemented.
  void operator=(const vtkClipClosedSurface&);  // Not implemented.
};

#endif