MeshViz/3Ddata/PoMesh2DVec.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/

#ifndef  _PO_MESH2DVEC_
#define  _PO_MESH2DVEC_

#include <Inventor/SbLinear.h>
#include <MeshViz/3Ddata/PoMesh2D.h>

class PiArrow;
class PbCartesianGrid2D;
class PbGrid2D;
class PbIndexedMesh2D;
class PbMesh2D;
class PbParalCartesianGrid2D;
class PbRegularCartesianGrid2D;
class PbPolarGrid2D;

class  PoMesh2DVec : public PoMesh2D {

  SO_KIT_HEADER(PoMesh2DVec) ;

  /* Define fields for new parts */
  SO_KIT_CATALOG_ENTRY_HEADER(bodySep);
  SO_KIT_CATALOG_ENTRY_HEADER(bodyApp);
  SO_KIT_CATALOG_ENTRY_HEADER(bodyGroup);

  SO_KIT_CATALOG_ENTRY_HEADER(startArrowSep);
  SO_KIT_CATALOG_ENTRY_HEADER(startArrowApp);
  SO_KIT_CATALOG_ENTRY_HEADER(startArrowGroup);

  SO_KIT_CATALOG_ENTRY_HEADER(endArrowSep);
  SO_KIT_CATALOG_ENTRY_HEADER(endArrowApp);
  SO_KIT_CATALOG_ENTRY_HEADER(endArrowGroup);


 public:

  PoMesh2DVec() ;

  virtual void   rebuild() ;

  enum EliminationStatus {
    NONE,
    TOO_SMALL,
    TOO_LONG,
    TOO_SMALL_OR_LONG
  } ;



  enum BodyShape {
    NO_BODY,
    LINE,
    CYLINDER
  } ;



  enum BodyLengthType {
    CONSTANT_LENGTH,
    RELATIVE_LENGTH
  } ;



  enum BodyRadiusType {
    CONSTANT_RADIUS,
    RELATIVE_RADIUS
  } ;



  enum ArrowShape {
    NO_SHAPE,
    POINT,
    CHEVRON,
    TRIANGLE, 
    RECTANGLE,
    CONE,
    BOX,
    SPHERE,
    INDIRECT_CHEVRON,
    INDIRECT_TRIANGLE,
    INDIRECT_CONE
  } ;



  enum ArrowHeightType {
    CONSTANT_HEIGHT,
    RELATIVE_HEIGHT
  } ;



  enum ArrowColoringType {
    CONSTANT_COLOR,
    MODULE_MAPPING_COLOR,
    SCALAR_MAPPING_COLOR
  } ;



  /* Fields */

  SoSFInt32  density;                

  SoSFEnum   eliminationStatus;      

  SoSFFloat  minLength;              

  SoSFFloat  maxLength;              



  /* Body representation */

  SoSFEnum   bodyShape;              

  SoSFEnum   bodyLengthType;         

  SoSFFloat  bodyLengthFactor;       

  SoSFEnum   bodyRadiusType;         

  SoSFFloat  bodyRadiusFactor;       

  SoSFEnum   bodyColoringType;       



  /* Start arrow representation */

  SoSFEnum   startArrowShape;        

  SoSFEnum   startArrowHeightType;   

  SoSFFloat  startArrowHeightFactor; 

  SoSFFloat  startArrowRadiusFactor; 

  SoSFEnum   startArrowColoringType; 



  /* End arrow representation */

  SoSFEnum   endArrowShape;        

  SoSFEnum   endArrowHeightType;   

  SoSFFloat  endArrowHeightFactor; 

  SoSFFloat  endArrowRadiusFactor; 

  SoSFEnum   endArrowColoringType; 

  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;

  void indexedMesh2DVec(PbIndexedMesh2D *mesh) ;
  void cartGrid2DVec(PbCartesianGrid2D *mesh) ;
  void paralCartGrid2DVec(PbParalCartesianGrid2D *mesh) ;
  void regularCartGrid2DVec(PbRegularCartesianGrid2D *mesh) ;
  void polarGrid2DVec(PbPolarGrid2D *mesh) ;

 private:
  virtual ~PoMesh2DVec() ;  
  // Destructor

  // Methods
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  virtual void   setDefaultOnNonWritingFields();
  virtual void addElementsAllCaches() ;
  virtual void preRebuild();

  void addVector(const SbVec3f &orig, const SbVec3f &vec);
  void startVectorField();
  void finishVectorField();

  SoGroup *m_bodyGroupNode, *m_startArrowGroupNode, *m_endArrowGroupNode;

  PiArrow *m_arrow;
  const float *m_scalarDataSet;
  int m_vecIndexToDraw, m_vecIndex;

  int   m_allocVecPoints, m_allocModuleColr, m_allocScalarColr, 
    m_allocModuleTransparencies, m_allocScalarTransparencies,
    m_numVecP, m_numVec;
  float (*m_vecPoints)[3];
  float (*m_moduleColr)[3];
  float (*m_scalarColr)[3];
  float *m_moduleTransparencies, *m_scalarTransparencies;

  /*----------------------------------------------------------------------------*/
 private:

  void drawVectorLine(int nod_index);

  void drawVectorLineScalarColr(int nod_index);
  void drawVectorLineScalarTranspColr(int nod_index);

  void drawVectorLineModuleColr(int nod_index);
  void drawVectorLineModuleTranspColr(int nod_index);

  void drawVectorLineScalarModuleColr(int nod_index);
  void drawVectorLineScalarModuleTranspColr(int nod_index);

  void drawVectorElaborated(int nod_index);

  void finishQuickVectorField();
  void finishElaboratedVectorField();
  void buildVectorFieldBodies();
  void buildVectorFieldStartArrow();
  void buildVectorFieldEndArrow();

  void (PoMesh2DVec::*drawVector)(int nod_index);
  void (PoMesh2DVec::*finishVectorFieldPtr)();

  // Sensors
  FieldSensorList m_fieldSensorList ;

  // List of fields defined in this class
  SoFieldList     m_fieldList ;

  SbVec3f m_arrowPoints[2];
  float   m_vecLength, m_arrowLength;

  ArrowColoringType m_bodyColoringType, m_startArrowColoringType, m_endArrowColoringType;
} ;

/*----------------------------------------------------------------------------*/

#endif /* _PO_MESH2DVEC_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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