msh3AlgDirPDTree.h

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#ifndef _msh3AlgDirPDTree_h
#define _msh3AlgDirPDTree_h
 
#include <cisstMesh/mshForwardDeclarations.h>
#include <cisstMesh/msh3DirPDTreeNode.h>
 
// Always include last!
#include <cisstMesh/mshExport.h>
 
class CISST_EXPORT msh3AlgDirPDTree
{
    //
    // This is the base class for a family of Directional PD Tree search algorithms
    //
 
    //--- Algorithm Parameters ---//
 
 private:
 
    msh3DirPDTreeBase  *pTree;   // the PD tree
 
    //--- Algorithm Methods ---//
 
 public:
 
    // constructor
    msh3AlgDirPDTree(msh3DirPDTreeBase *pTree);
 
    // destructor
    virtual ~msh3AlgDirPDTree() {}
 
    //--- PD Tree Interface Methods ---//
 
    // finds the point on this datum with lowest match error
    //  and returns the match error and closest point
    virtual double FindClosestPointOnDatum(const vct3 &sample, const vct3 &sampleNorm,
                                           vct3 &closest, vct3 &closestNorm,
                                           int datum) = 0;
 
    // fast check if a datum might have smaller match error than error bound
    virtual int DatumMightBeCloser(const vct3 &sample, const vct3 &sampleNorm,
                                   int datum,
                                   double ErrorBound) = 0;
 
    // fast check if a node might contain a datum having smaller match error
    //  than the error bound
    virtual int NodeMightBeCloser(const vct3 &sample, const vct3 &sampleNorm,
                                  msh3DirPDTreeNode const *node,
                                  double ErrorBound) = 0;
};
 
#endif