visualSignaturePropagator.h

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#pragma once

#include "vrfobjcore/standardSignaturePropagator.h"
#include "vrfobjcore/vrfobjcoreDefines.h"

class DtChord;
class DtVector;
class DtRwGaussianPuffData;
class DtVisualSignaturePropagatorDescriptor;

class DT_DLL_vrfobjcore DtVisualSignaturePropagator : public DtStandardSignaturePropagator
{
public:
   DtVisualSignaturePropagator(const DtSignaturePropagatorDescriptor* desc,
      DtPhysicalWorld* physicalWorld);

   virtual ~DtVisualSignaturePropagator();

   virtual void init();

   virtual double calculateApparentSignature(double absoluteSignature,
      const DtSignaturePropagatorArgs& args) const;

   virtual double calculateSmokeReductionFactor(double apparentSignature, 
      const DtSignaturePropagatorArgs& args) const;

   static DtSignaturePropagator* create(const DtSignaturePropagatorDescriptor* desc,
      DtPhysicalWorld* physicalWorld);

protected:

   virtual bool chordIntersectsPuff(const DtVector& geocStartPoint, const DtVector& geocEndPoint,
      const DtRwGaussianPuffData& puff, DtVector& intersectPoint, DtChord& intersectSegment) const;

private:
   DtVisualSignaturePropagator(const DtVisualSignaturePropagator& orig);
   DtVisualSignaturePropagator& operator=(const DtVisualSignaturePropagator& orig);

protected:
    const DtVisualSignaturePropagatorDescriptor* myVisualPropagatorDescriptor;
};