msh3AlgPDTree.h

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#ifndef _msh3AlgPDTree_h
#define _msh3AlgPDTree_h
 
#include <cisstMesh/mshForwardDeclarations.h>
#include <cisstMesh/msh3PDTreeNode.h>
 
// Always include last!
#include <cisstMesh/mshExport.h>
 
class CISST_EXPORT msh3AlgPDTree
{
    //
    // This is the base class for a family of PD Tree search algorithms
    //
 
    //--- Algorithm Parameters ---//
 
 public:
 
    msh3PDTreeBase  *pTree;   // the PD tree
 
    //--- Algorithm Methods ---//
 
 public:
 
    // constructor
    msh3AlgPDTree(msh3PDTreeBase *pTree);
 
    // destructor
    virtual ~msh3AlgPDTree() {}
 
    //--- 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,
                                           vct3 &closest,
                                           int datum) = 0;
 
    virtual double FindClosestPointOnDatumWithEdgeDetection(const vct3 &sample,
                                                            vct3 &closest,
                                                            int &closestPointLocation,
                                                            int datum) = 0;
 
    // fast check if a datum might have smaller match error than the error bound
    virtual int DatumMightBeCloser(const vct3 &sample,
                                   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,
                                   msh3PDTreeNode *node,
                                   double ErrorBound) = 0;
};
 
#endif