MoMeshAnnotatedIsoline.h

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef  _MO_MESHANNOTATEDISOLINE_
#define  _MO_MESHANNOTATEDISOLINE_
 
#include <MeshVizXLM/MbVec3.h>
#include <MeshVizXLM/extractors/MiExtractorCallback.h>
 
#include <MeshVizXLM/mapping/nodes/MoMeshIsoline.h>
 
#include <Inventor/STL/vector>
 
#ifdef _WIN32
#pragma warning(push)
#pragma warning(disable:4251)
#endif
 
class MeXLineMeshUnstructured;
class MeXLineTopologyExplicitI;
class MiGeometryI;
class SoAnnoText3;
class SoText2;
class SoGroup;
class SoGetBoundingBoxAction;
class SoTextProperty;
 
class MxExtractorCallback;
 
class MESHVIZXLM_DMAP_API MoMeshAnnotatedIsoline : public MoMeshIsoline {
 
  SO_NODE_HEADER(MoMeshAnnotatedIsoline) ;
 
 public:
 
  MoMeshAnnotatedIsoline() ;
 
  SoSFBool    isVisible ;
 
  SoSFBool    isText2D ;
 
  enum AnnotPath {
    TANGENTIAL_PATH, 
    HORIZONTAL_PATH, 
    VERTICAL_PATH    
  } ;
 
  SoSFEnum    path ;
 
  SoSFVec3f    upVector ;
 
  SoSFFloat   gap ;
 
  SoSFFloat   fontSize ;
 
  SoSFColor   color ;
  
  SoSFBool    isBackground ;
 
  SoSFColor   backgroundColor ;
 
  SoSFColor   borderColor ;
 
  void setExtractorCallback(MiExtractorCallback* extractorCallback);
 
  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;
 
 private:
  virtual void doExtract(SoAction * action);
 
 private:
  virtual ~MoMeshAnnotatedIsoline() ;  
  void annotateLines(SoAction * action,const std::vector<const MeXLineMeshUnstructured*>& lines, const MiMesh* inputMesh);
 
  MxExtractorCallback* m_redrawCallback;
 
  class ChordalDistance
  {
  public:
    std::vector< double > m_distances;
    SbBox3f m_bbox;
    size_t m_startCellIndex;
  };
 
  void computeChordalDistances(const MeXLineTopologyExplicitI& topo,const MiGeometryI& geom, std::vector< ChordalDistance >& chordalDistancesArray);
  void addAnnot(MbVec3d& pos, std::string& str, MbVec3d& baseVector, float width, float height);
  void getStringSize(SoAction * action, const std::string& str, float &width, float &height, SbBox3f& bbox);
  std::string computeString(SoAction * action,float isovalue,float& width,float& height,SbBox3f& annotBbox);
  std::vector<double>::iterator computeAnnotPos(ChordalDistance& chordalDistances, const std::vector<double>::iterator& beg, const std::vector<double>::iterator& end,
    double value,const MeXLineTopologyExplicitI& topo,const MiGeometryI& geom,MbVec3d& pos,MbVec3d& baseVector);
  void initSceneGraph(double diag);
 
  void clear();
 
  SoSeparator* m_sepAnnot;
  SoGroup* m_bboxGroup;
  SoAnnoText3* m_bboxText;
  SoText2* m_bboxText2;
  SoFont* m_font;
  SoGetBoundingBoxAction* m_bboxAction;
  SoTextProperty* m_textProp;
} ;
 
#ifdef _WIN32
#pragma warning(pop)
#endif
 
#endif /* _MO_MESHANNOTATEDISOLINE_ */