From 646e3fe71e60ba06a96c1af4b232b0e39bd89ee0 Mon Sep 17 00:00:00 2001
From: Emilie Marchandise <emilie.marchandise@uclouvain.be>
Date: Mon, 25 Jun 2012 12:05:35 +0000
Subject: [PATCH] work for elliptic grid centerline
---
Geo/GFaceCompound.cpp | 1 +
Mesh/meshGFace.cpp | 123 ++++++++++++++++++++++++++++++++++++-
Mesh/meshGFaceOptimize.cpp | 3 +-
3 files changed, 125 insertions(+), 2 deletions(-)
diff --git a/Geo/GFaceCompound.cpp b/Geo/GFaceCompound.cpp
index 71bb65fb6f..505916d861 100644
--- a/Geo/GFaceCompound.cpp
+++ b/Geo/GFaceCompound.cpp
@@ -1012,6 +1012,7 @@ void GFaceCompound::getBoundingEdges()
l_edges.push_back(*itf);
(*itf)->addFace(this);
}
+
std::list<GEdge*> loop;
computeALoop(_unique,loop);
while(!_unique.empty()) computeALoop(_unique, loop);
diff --git a/Mesh/meshGFace.cpp b/Mesh/meshGFace.cpp
index f1f96f1a89..7bdae2658b 100644
--- a/Mesh/meshGFace.cpp
+++ b/Mesh/meshGFace.cpp
@@ -44,6 +44,8 @@
#include "meshGFaceLloyd.h"
#include "meshGFaceBoundaryLayers.h"
+
+
static void copyMesh(GFace *source, GFace *target)
{
std::map<MVertex*, MVertex*> vs2vt;
@@ -1421,6 +1423,125 @@ static bool buildConsecutiveListOfVertices(GFace *gf, GEdgeLoop &gel,
return true;
}
+static void printParamGrid(GFace *gf, std::vector<MVertex*> vert1, std::vector<MVertex*> vert2)
+{
+
+ std::vector<SPoint2> p1,p2;
+ for (int i = 0; i< vert1.size(); i++){
+ SPoint2 pi;
+ reparamMeshVertexOnFace(vert1[i], gf, pi);
+ p1.push_back(pi);
+ }
+ for (int j = 0; j< vert2.size(); j++){
+ SPoint2 pj;
+ reparamMeshVertexOnFace(vert2[j], gf, pj);
+ p2.push_back(pj);
+ }
+
+ char name[234];
+ sprintf(name,"paramGrid_%d.pos", gf->tag());
+ FILE *f = fopen(name,"w");
+ fprintf(f,"View \"%s\" {\n",name);
+
+ for (unsigned int i = 0; i < p1.size(); i++)
+ fprintf(f,"SP(%g,%g,%g) {%d};\n", p1[i].x(), p1[i].y(), 0.0, i);
+
+ for (unsigned int j = 0; j < p2.size(); j++)
+ fprintf(f,"SP(%g,%g,%g) {%d};\n", p2[j].x(), p2[j].y(), 0.0, j);
+
+ fprintf(f,"};\n");
+ fclose(f);
+
+ return;
+
+}
+static void createRegularTwoCircleGrid (GFace *gf)
+{
+
+ int nbBoundaries = gf->edges().size();
+ printf("nb boundaries =%d \n", nbBoundaries );
+
+ std::list<GEdge*> bedges = gf->edges();
+ std::list<GEdge*>::iterator itb = bedges.begin();
+ std::list<GEdge*>::iterator ite = bedges.end(); ite--;
+ GEdge *ge1 = (*itb)->getCompound();
+ GEdge *ge2 = (*ite)->getCompound();
+ int N1 = ge1->mesh_vertices.size() + 1;
+ int N2 = ge2->mesh_vertices.size() + 1;
+ printf("nb mesh vertices N1 N2 =%d %d \n",N1, N2);
+ if (N1 != N2 || N1%2 != 0){
+ Msg::Error("You should have a pair number of points specified in centerline field \n");
+ }
+
+ std::vector<MVertex*> vert1;
+ vert1.push_back(ge1->getBeginVertex()->mesh_vertices[0]);
+ for(unsigned int i = 0; i < N1-1; i++) vert1.push_back(ge1->mesh_vertices[i]);
+
+ std::vector<MVertex*> vert2;
+ vert2.push_back(ge2->getBeginVertex()->mesh_vertices[0]);
+ for(unsigned int i = 0; i < N1-1; i++) vert2.push_back(ge2->mesh_vertices[i]);
+
+ printf("vert 1 =%d %d \n", vert1.size(), vert2.size());
+
+ printParamGrid(gf, vert1, vert2);
+
+ // std::vector<std::vector<MVertex*> > tab(M+2);
+ // for(int i = 0; i <= M+1; i++) tab[i].resize(N+2);
+
+ // tab[0][0] = v1;
+ // tab[0][N+1] = v2;
+ // tab[M+1][N+1] = v3;
+ // tab[M+1][0] = v4;
+ // for (int i=0;i<N;i++){
+ // tab[0][i+1] = sign12 > 0 ? e12 [i] : e12 [N-i-1];
+ // tab[M+1][i+1] = sign34 < 0 ? e34 [i] : e34 [N-i-1];
+ // }
+ // for (int i=0;i<M;i++){
+ // tab[i+1][N+1] = sign23 > 0 ? e23 [i] : e23 [M-i-1];
+ // tab[i+1][0] = sign41 < 0 ? e41 [i] : e41 [M-i-1];
+ // }
+
+ // for (int i=0;i<N;i++){
+ // for (int j=0;j<M;j++){
+ // double u = (double) (i+1)/ ((double)(N+1));
+ // double v = (double) (j+1)/ ((double)(M+1));
+ // MVertex *v12 = (sign12 >0) ? e12[i] : e12 [N-1-i];
+ // MVertex *v23 = (sign23 >0) ? e23[j] : e23 [M-1-j];
+ // MVertex *v34 = (sign34 <0) ? e34[i] : e34 [N-1-i];
+ // MVertex *v41 = (sign41 <0) ? e41[j] : e41 [M-1-j];
+ // SPoint2 p12; reparamMeshVertexOnFace(v12, gf, p12);
+ // SPoint2 p23; reparamMeshVertexOnFace(v23, gf, p23);
+ // SPoint2 p34; reparamMeshVertexOnFace(v34, gf, p34);
+ // SPoint2 p41; reparamMeshVertexOnFace(v41, gf, p41);
+ // double Up = TRAN_QUA(p12.x(), p23.x(), p34.x(), p41.x(),
+ // c1.x(),c2.x(),c3.x(),c4.x(),u,v);
+ // double Vp = TRAN_QUA(p12.y(), p23.y(), p34.y(), p41.y(),
+ // c1.y(),c2.y(),c3.y(),c4.y(),u,v);
+ // // printf("v1=%d v2=%d v3=%d v4=%d \n", v1->getNum(), v2->getNum(), v3->getNum(), v4->getNum());
+ // // printf("c1=%g %g, c2=%g %g, c3=%g %g, c4=%g,%g \n", c1.x(),c1.y(),c2.x(),c2.y(),c3.x(),c3.y(),c4.x(),c4.y());
+ // // printf("p1=%g %g, p2=%g %g, p3=%g %g, p4=%g,%g \n", p12.x(),p12.x(),p23.x(),p23.y(),p34.x(),p34.y(),p41.x(),p41.y());
+ // if ((p12.x() && p12.y() == -1.0) ||
+ // (p23.x() && p23.y() == -1.0) ||
+ // (p34.x() && p34.y() == -1.0) ||
+ // (p41.x() && p41.y() == -1.0)) {
+ // Msg::Error("Wrong param -1");
+ // return;
+ // }
+
+ // MVertex *vnew = createNewVertex (gf, SPoint2(Up,Vp));
+ // tab[j+1][i+1] = vnew;
+ // }
+ // }
+ // // create quads
+ // for (int i=0;i<=N;i++){
+ // for (int j=0;j<=M;j++){
+ // MQuadrangle *qnew = new MQuadrangle (tab[j][i],tab[j][i+1],tab[j+1][i+1],tab[j+1][i]);
+ // q.push_back(qnew);
+ // }
+ // }
+
+}
+
static bool meshGeneratorElliptic(GFace *gf, bool debug = true)
{
@@ -1438,7 +1559,7 @@ static bool meshGeneratorElliptic(GFace *gf, bool debug = true)
if (center && recombine && nbBoundaries == 2) {
printf("need for elliptic grid generator \n");
- //createRegularParamGrid();
+ createRegularTwoCircleGrid(gf);
//solveElliptic();
return true;
}
diff --git a/Mesh/meshGFaceOptimize.cpp b/Mesh/meshGFaceOptimize.cpp
index 62c33b94e6..8b8f53ed97 100644
--- a/Mesh/meshGFaceOptimize.cpp
+++ b/Mesh/meshGFaceOptimize.cpp
@@ -796,7 +796,8 @@ static std::vector<MVertex*> saturateEdge (GFace *gf, SPoint2 p1, SPoint2 p2, in
*/
#define TRAN_QUA(c1,c2,c3,c4,s1,s2,s3,s4,u,v) \
- (1.-u)*c4+u*c2+(1.-v)*c1+v*c3-((1.-u)*(1.-v)*s1+u*(1.-v)*s2+u*v*s3+(1.-u)*v*s4)
+ (1.-u)*c4+u*c2+(1.-v)*c1+v*c3-((1.-u)*(1.-v)*s1+u*(1.-v)*s2+u*v*s3+(1.-u)*v*s4)
+
void createRegularMesh (GFace *gf,
MVertex *v1, SPoint2 &c1,
--
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