GeNurbSurface.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
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// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef OD_GENURBSF_H
#define OD_GENURBSF_H 
#include "Ge/GeSurface.h"
#include "Ge/GeKnotVector.h"
#include "OdPlatformSettings.h"
#include "TD_PackPush.h"
 
class OdGeNurbCurve3d;
 
static const int derivArraySize = 3;
typedef OdGeVector3d VectorDerivArray[derivArraySize][derivArraySize];
typedef double WDerivArray [derivArraySize][derivArraySize];
 
class GE_TOOLKIT_EXPORT OdGeNurbSurface : public OdGeSurface
{
public:
 
 
  OdGeNurbSurface();
  OdGeNurbSurface(
    int degreeInU, 
    int degreeInV, 
    int propsInU, 
    int propsInV,
    int numControlPointsInU, 
    int numControlPointsInV,
    const OdGePoint3dArray& controlPoints,
    const OdGeDoubleArray& weights,
    const OdGeKnotVector& uKnots,
    const OdGeKnotVector& vKnots,
    const OdGeTol& tol = OdGeContext::gTol);
  OdGeNurbSurface(
    const OdGeNurbSurface& source);
 
  OdGeNurbSurface& operator =(
    const OdGeNurbSurface& nurb);
 
  
     bool isRationalInU() const;
 
     bool isPeriodicInU(double& period) const;
 
     bool isRationalInV() const;
 
     bool isPeriodicInV(double& period) const;
  
   int singularityInU() const;
 
   int singularityInV() const;
 
   int degreeInU() const;
 
   int numControlPointsInU() const;
  
   int degreeInV() const;
  
   int numControlPointsInV() const;
 
     void getControlPoints(
    OdGePoint3dArray& controlPoints) const;
    
     bool getWeights(
    OdGeDoubleArray& weights) const;
  
     int numKnotsInU() const;
  
   void getUKnots(
    OdGeKnotVector& uKnots) const;
  
     int numKnotsInV() const;
  
   void getVKnots(
    OdGeKnotVector& vKnots) const;
    
     void getDefinition(
    int& degreeInU, 
    int& degreeInV,
    int& propsInU, 
    int& propsInV,
    int& numControlPointsInU,
    int& numControlPointsInV,
    OdGePoint3dArray& controlPoints,
    OdGeDoubleArray& weights,
    OdGeKnotVector& uKnots,
    OdGeKnotVector& vKnots) const;
 
   OdGeNurbSurface& set(
    int degreeInU, 
    int degreeInV,
    int propsInU, 
    int propsInV,
    int numControlPointsInU,
    int numControlPointsInV,
    const OdGePoint3dArray& controlPoints,
    const OdGeDoubleArray& weights,
    const OdGeKnotVector& uKnots,
    const OdGeKnotVector& vKnots,
    const OdGeTol& tol = OdGeContext::gTol);
 
 
    OdGeNurbSurface& setFitData(
      const OdGePoint3dArray& fitPoints,
      const OdGeVector3dArray& arrTangentsInU,
      const OdGeVector3dArray& arrTangentsInV, 
      const OdGeVector3dArray& arrMixedDerivs,
      const OdGeKnotVector& uKnots,
      const OdGeKnotVector& vKnots,
      const OdGeTol& tol);
  // TD Special :
 
  // computes isolines
  
  void computeVIsoLine(
    double V, 
    OdGeNurbCurve3d& isoline) const;
 
   void computeUIsoLine(
    double U, 
    OdGeNurbCurve3d& isoline) const;
 
   OdGePoint2d paramOfPrec(
    const OdGePoint3d& point,
    const OdGeTol& tol = OdGeContext::gTol) const;
   
 
  bool getDerivativesAt(
    const OdGePoint2d& param, 
    OdUInt32 numDeriv,
    VectorDerivArray derivatives) const;
 
  // the index in "m_controlPoints" of control *point* (i,j):
 
   int loc(
    int i, 
    int j) const;
 
protected:
  void calculateNURBSProperties();
};
 
GE_TOOLKIT_EXPORT OdGeNurbSurface* convertFrom( const OdGeSurface* source, const OdGeTol& tol = OdGeContext::gTol, bool sameParametrization = false );
 
#include "TD_PackPop.h"
 
#endif // OD_GENURBSF_H