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foucault |
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//---------------------------------------------------------------------------
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#pragma hdrstop
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#include "gestionversion.h"
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#include "mg_geometrie.h"
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#include "ot_algorithme_geometrique.h"
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#include "CAD4FE_MCNode.h"
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#include "CAD4FE_MCFace.h"
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#include "CAD4FE_PolySurface.h"
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#include "CAD4FE_Intersection_Plane_MG_ARETE.h"
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#include "CAD4FE_geometric_tools.h"
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#include "CAD4FE_FaceBoundaryPoint.h"
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#include "OT_DECALAGE_PARAMETRE.h"
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#include "CAD4FE_MCNodePolyline.h"
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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using namespace CAD4FE;
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MCNodePolyline::MCNodePolyline(MG_ELEMENT_TOPOLOGIQUE * __mcTopo)
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: OT_REFERENCE(), _mcTopo(__mcTopo)
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{
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}
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MCNodePolyline::MCNodePolyline(MG_ELEMENT_TOPOLOGIQUE * __mcTopo, const std::vector <MCNode*> & __polylineNodes, const std::vector <MG_ELEMENT_TOPOLOGIQUE*> & __polylineTopo)
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: OT_REFERENCE(), _polylineNodes(__polylineNodes), _polylineTopo(__polylineTopo),_mcTopo(__mcTopo)
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{
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MCNode *xi=_polylineNodes[0],*xii=_polylineNodes[1];
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MG_ELEMENT_TOPOLOGIQUE * topo = NULL;
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for (unsigned i=0; i+1<_polylineNodes.size();i++)
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{
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topo = _polylineTopo[i];
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xi=_polylineNodes[i];
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xii=_polylineNodes[i+1];
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lst_length.push_back( Distance(xi,xii,topo) );
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}
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for (unsigned i=0; i<_polylineNodes.size(); i++)
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_polylineNodes[i]->incrementer();
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}
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MCNodePolyline::MCNodePolyline(MCNodePolyline &__pl)
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{
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_mcTopo = __pl._mcTopo;
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_polylineNodes = __pl._polylineNodes;
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_polylineTopo = __pl._polylineTopo;
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lst_length = __pl.lst_length;
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for (unsigned i=0; i<_polylineNodes.size(); i++)
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_polylineNodes[i]->incrementer();
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}
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MCNodePolyline::~MCNodePolyline()
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{
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for (unsigned i=0; i<_polylineNodes.size(); i++)
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{
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_polylineNodes[i]->decrementer();
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if ( _polylineNodes[i]->get_nb_reference() == 0)
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delete _polylineNodes[i];
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}
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}
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void MCNodePolyline::Add(MCNode * __mcNode, MG_ELEMENT_TOPOLOGIQUE * __topo)
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{
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_polylineNodes.push_back(__mcNode);
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_polylineTopo.push_back(__topo);
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__mcNode->incrementer();
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if (_polylineNodes.size() > 1)
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{
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unsigned i = _polylineNodes.size() - 2;
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MCNode *xi=_polylineNodes[i],*xii=_polylineNodes[i+1];
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MG_ELEMENT_TOPOLOGIQUE *topo = _polylineTopo[i];
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lst_length.push_back( Distance(xi,xii,topo) );
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}
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}
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std::vector <MCNode *> & MCNodePolyline::GetPolylineNodes()
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{
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return _polylineNodes;
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}
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MCNode * MCNodePolyline::GetPolylineNode(unsigned __index)
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{
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return _polylineNodes[__index];
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}
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std::vector <MG_ELEMENT_TOPOLOGIQUE *> & MCNodePolyline::GetPolylineTopos()
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{
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return _polylineTopo;
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}
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MG_ELEMENT_TOPOLOGIQUE * MCNodePolyline::GetPolylineTopo(unsigned __index)
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{
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return _polylineTopo[__index];
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}
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void MCNodePolyline::Inverse(double &__t, MCNode *__mcNode)
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{
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double l=0;
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for (unsigned i=0; i<_polylineNodes.size();i++)
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{
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MCNode * mcNode = _polylineNodes[i];
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if (mcNode == __mcNode)
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break;
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l += lst_length[i];
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}
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__t = l;
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}
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double MCNodePolyline::GetLength()
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{
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double l=0;
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for (unsigned i=0; i<lst_length.size();i++)
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l+=lst_length[i];
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return l;
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}
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double MCNodePolyline::Distance(MCNode * __a, MCNode * __b, MG_ELEMENT_TOPOLOGIQUE * __c)
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{
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MG_ELEMENT_TOPOLOGIQUE * topo = __c;
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MCNode * mcNode1 = __a;
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MCNode * mcNode2 = __b;
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double t1, t2;
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MG_FACE * face = 0;
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double distFace=1E300;
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MG_ARETE * edge = 0;
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double distEdge=1E300;
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MG_SOMMET * vertex = 0;
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double distVertex=1E300;
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if (topo == NULL)
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{
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return OT_ALGORITHME_GEOMETRIQUE::VEC3_DISTANCE_VEC3(__a->get_coord(),__b->get_coord());
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}
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switch(topo->get_dimension())
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{
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case 2:
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face = (MG_FACE*)topo;
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break;
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case 1:
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edge = (MG_ARETE*)topo;
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break;
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case 0:
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vertex = (MG_SOMMET*)topo;
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break;
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}
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double dist=1E300;
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if (face)
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{
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distFace = GeometricTools::Segment2dCurvilinearLength(face,mcNode2->UV(face),mcNode1->UV(face),3);
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}
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if (edge )
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{
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t1=mcNode1->GetEdgeParams(edge);
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t2=mcNode2->GetEdgeParams(edge);
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if (edge->get_courbe()->est_periodique())
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{
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if (t1 < edge->get_tmin()-1E-6*(edge->get_tmax()-edge->get_tmin()))
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t1 += edge->get_courbe()->get_periode();
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if (t2 < edge->get_tmin()-1E-6*(edge->get_tmax()-edge->get_tmin()))
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t2 += edge->get_courbe()->get_periode();
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}
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if ((t2-t1)*(edge->get_tmax()-edge->get_tmin()) < 0)
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std::swap(t1,t2);
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if ((t2-t1) < 1E-6*(edge->get_tmax()-edge->get_tmin()) )
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distEdge = (t2-t1)/(edge->get_tmax()-edge->get_tmin())*edge->get_longueur(edge->get_tmin(),edge->get_tmax());
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else
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distEdge = edge->get_longueur(t1,t2);
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}
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if (vertex)
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{
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if (mcNode1->IsInVertex(vertex) ||mcNode2->IsInVertex(vertex))
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distVertex=OT_ALGORITHME_GEOMETRIQUE::VEC3_DISTANCE_VEC3(mcNode1->get_coord(),mcNode2->get_coord());
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else
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distVertex=1E300;
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}
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dist = distFace;
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dist = std::min(dist, distEdge);
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dist = std::min(dist, distVertex);
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return dist;
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}
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MCNode MCNodePolyline::Evaluate(double __s, double * tangent, double * curvature)
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{
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//MCNode result(_mcTopo,topo,xyz[0],xyz[1],xyz[2]);
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MCNode result;
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double si=0;
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double xyz[3];
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MCNode *xi=_polylineNodes[0],*xii=_polylineNodes[1];
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MG_ELEMENT_TOPOLOGIQUE * topo = NULL;
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unsigned i=0;
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double polylineLength = GetLength();
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if (polylineLength == 0)
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return *_polylineNodes[_polylineNodes.size()-1];
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if (1 - (__s / polylineLength) < 1E-6)
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return *_polylineNodes[_polylineNodes.size()-1];
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for (i=0; lst_length.size() && __s > si+lst_length[i] && i<lst_length.size(); i++)
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{
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si += lst_length[i];
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}
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topo = _polylineTopo[i];
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xi=_polylineNodes[i];
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xii=_polylineNodes[i+1];
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if (xi==NULL)
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printf("Error in MCNodePolyline::Evaluate\n");
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double L = lst_length[i];
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double coef = (L > 1E-6*fabs(si-__s) ) ? (__s-si)/L : 0;
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if (topo != NULL)
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{
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if (topo->get_dimension()==2)
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{
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MG_FACE * face = (MG_FACE*) topo;
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MCNode::FMap F;
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OT_VECTEUR_3D xi_uv = xi->UV(face);
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OT_VECTEUR_3D xii_uv = xii->UV(face);
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OT_DECALAGE_PARAMETRE ot_decalage(face->get_surface()->get_periode_u(),face->get_surface()->get_periode_v());
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double decal_u=ot_decalage.calcul_decalage_parametre_u(xi_uv[0]);
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double decal_v=ot_decalage.calcul_decalage_parametre_v(xi_uv[1]);
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OT_VECTEUR_3D decal_xi_uv(0,0,0), decal_xii_uv(0,0,0);
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decal_xi_uv[0]=ot_decalage.decalage_parametre_u(xi_uv[0],decal_u);
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decal_xi_uv[1]=ot_decalage.decalage_parametre_v(xi_uv[1],decal_v);
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decal_xii_uv[0]=ot_decalage.decalage_parametre_u(xii_uv[0],decal_u);
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decal_xii_uv[1]=ot_decalage.decalage_parametre_v(xii_uv[1],decal_v);
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OT_VECTEUR_3D Duv = (decal_xii_uv-decal_xi_uv);
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Duv[2]=0;
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OT_VECTEUR_3D decal_uv = decal_xi_uv + coef*Duv;
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OT_VECTEUR_3D uv;
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uv[0] = ot_decalage.decalage_parametre_u(decal_uv[0],-decal_u);
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uv[1] = ot_decalage.decalage_parametre_v(decal_uv[1],-decal_v);
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F[face]=uv;
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face->evaluer(uv,xyz);
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result = MCNode(_mcTopo,face,uv,xyz);
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if (tangent)
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{
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OT_MATRICE_3D tangentPlaneFrame = GeometricTools::TangentPlaneFrame(face,xi_uv);
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OT_VECTEUR_3D tangentTemp = tangentPlaneFrame*Duv;
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tangentTemp.norme();
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for (int i=0;i<3;i++) tangent[i] = tangentTemp[i];
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| 256 |
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}
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| 257 |
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if (curvature)
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| 258 |
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{
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| 259 |
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}
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| 260 |
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}
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| 261 |
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if (topo->get_dimension()==1)
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| 262 |
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{
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| 263 |
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MG_ARETE * edge = ( MG_ARETE * ) topo;
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| 264 |
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double t[3];
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| 265 |
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t[0] = xi->T(edge);
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| 266 |
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t[1] = xii->T(edge);
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| 267 |
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if ( edge->get_courbe()->est_periodique() )
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| 268 |
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{
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| 269 |
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double period=edge->get_courbe()->get_periode();
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| 270 |
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for (unsigned k=0;k<2;k++)
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| 271 |
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if (t[k] < edge->get_tmin() - 1E-6*edge->get_courbe()->get_periode())
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| 272 |
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t[k] += period;
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| 273 |
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if (fabs(t[1]-t[0])>.5*period)
|
| 274 |
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{
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| 275 |
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if (t[1] < t[0]) t[1]+=period;
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| 276 |
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else t[0]+=period;
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| 277 |
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}
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| 278 |
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//if ((t[1]-t[0])*(edge->get_tmax()-edge->get_tmin()) < 0)
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| 279 |
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// std::swap(t[0],t[1]);
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| 280 |
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}
|
| 281 |
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t[2] = t[0] + (t[1]-t[0])*coef;
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| 282 |
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edge->evaluer(t[2],xyz);
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| 283 |
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result = MCNode(_mcTopo,edge,t[2],xyz);
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| 284 |
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| 285 |
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if (tangent)
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| 286 |
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{
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| 287 |
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OT_VECTEUR_3D tangentTemp;
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| 288 |
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edge->deriver(t[2],tangentTemp);
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| 289 |
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tangentTemp.norme();
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| 290 |
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for (int i=0;i<3;i++) tangent[i] = tangentTemp[i];
|
| 291 |
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}
|
| 292 |
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}
|
| 293 |
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}
|
| 294 |
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if (topo == NULL || topo->get_dimension()==0)
|
| 295 |
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{
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| 296 |
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for (int i=0; i<3; i++)
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| 297 |
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xyz[i]=(xii->get_coord()[i]-xi->get_coord()[i])*coef+xi->get_coord()[i];
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| 298 |
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result = MCNode(_mcTopo,topo,xyz[0],xyz[1],xyz[2]);
|
| 299 |
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if (tangent)
|
| 300 |
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{
|
| 301 |
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OT_VECTEUR_3D tangentTemp;
|
| 302 |
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for (int i=0; i<3; i++)
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| 303 |
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tangentTemp[i]=(xii->get_coord()[i]-xi->get_coord()[i]);
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| 304 |
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if ( tangentTemp.get_longueur2() > 1E-50 )
|
| 305 |
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tangentTemp.norme();
|
| 306 |
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for (int i=0; i<3; i++)
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| 307 |
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tangent[i]=tangentTemp[i];
|
| 308 |
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}
|
| 309 |
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}
|
| 310 |
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| 311 |
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return result;
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| 312 |
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}
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| 313 |
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| 314 |
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unsigned MCNodePolyline::GetPolylineNodeCount()
|
| 315 |
|
|
{
|
| 316 |
|
|
return _polylineNodes.size();
|
| 317 |
|
|
}
|
