void highOrderTools::computeStraightSidedPositions()
{
_clean();
// compute straigh sided positions that are actually X,Y,Z positions
// that are NOT always on curves and surfaces
// points classified on model vertices shall not move !
for(GModel::viter it = _gm->firstVertex(); it != _gm->lastVertex(); ++it){
if ((*it)->points.size()){
MPoint *p = (*it)->points[0];
MVertex *v = p->getVertex(0);
_straightSidedLocation [v] = SVector3((*it)->x(),(*it)->y(),(*it)->z());
_targetLocation [v] = SVector3((*it)->x(),(*it)->y(),(*it)->z());
}
}
// printf("coucou2\n");
// compute stright sided positions of vertices that are classified on model edges
for(GModel::eiter it = _gm->firstEdge(); it != _gm->lastEdge(); ++it){
for (unsigned int i=0;i<(*it)->lines.size();i++){
MLine *l = (*it)->lines[i];
int N = l->getNumVertices()-2;
SVector3 p0((*it)->lines[i]->getVertex(0)->x(),
(*it)->lines[i]->getVertex(0)->y(),
(*it)->lines[i]->getVertex(0)->z());
SVector3 p1((*it)->lines[i]->getVertex(1)->x(),
(*it)->lines[i]->getVertex(1)->y(),
(*it)->lines[i]->getVertex(1)->z());
for (int j=1;j<=N;j++){
const double xi = (double)(j)/(N+1);
// printf("xi = %g\n",xi);
const SVector3 straightSidedPoint = p0 *(1.-xi) + p1*xi;
MVertex *v = (*it)->lines[i]->getVertex(j+1);
if (_straightSidedLocation.find(v) == _straightSidedLocation.end()){
_straightSidedLocation [v] = straightSidedPoint;
_targetLocation[v] = SVector3(v->x(),v->y(),v->z());
}
}
}
}
// printf("coucou3\n");
// compute stright sided positions of vertices that are classified on model faces
for(GModel::fiter it = _gm->firstFace(); it != _gm->lastFace(); ++it){
for (unsigned int i=0;i<(*it)->mesh_vertices.size();i++){
MVertex *v = (*it)->mesh_vertices[i];
_targetLocation[v] = SVector3(v->x(),v->y(),v->z());
}
for (unsigned int i=0;i<(*it)->triangles.size();i++){
MTriangle *t = (*it)->triangles[i];
MFace face = t->getFace(0);
const nodalBasis* fs = t->getFunctionSpace();
for (int j=0;j<t->getNumVertices();j++){
if (t->getVertex(j)->onWhat() == *it){
const double t1 = fs->points(j, 0);
const double t2 = fs->points(j, 1);
SPoint3 pc = face.interpolate(t1, t2);
_straightSidedLocation [t->getVertex(j)] =
SVector3(pc.x(),pc.y(),pc.z());
}
}
}
for (unsigned int i=0;i<(*it)->quadrangles.size();i++){
// printf("coucou quad %d\n",i);
MQuadrangle *q = (*it)->quadrangles[i];
MFace face = q->getFace(0);
const nodalBasis* fs = q->getFunctionSpace();
for (int j=0;j<q->getNumVertices();j++){
if (q->getVertex(j)->onWhat() == *it){
const double t1 = fs->points(j, 0);
const double t2 = fs->points(j, 1);
SPoint3 pc = face.interpolate(t1, t2);
_straightSidedLocation [q->getVertex(j)] =
SVector3(pc.x(),pc.y(),pc.z());
}
}
}
}
for(GModel::riter it = _gm->firstRegion(); it != _gm->lastRegion(); ++it){
for (unsigned int i=0;i<(*it)->mesh_vertices.size();i++){
MVertex *v = (*it)->mesh_vertices[i];
_targetLocation[v] = SVector3(v->x(),v->y(),v->z());
}
for (unsigned int i=0;i<(*it)->tetrahedra.size();i++){
_dim = 3;
MTetrahedron *t = (*it)->tetrahedra[i];
MTetrahedron t_1 ((*it)->tetrahedra[i]->getVertex(0),
(*it)->tetrahedra[i]->getVertex(1),
(*it)->tetrahedra[i]->getVertex(2),
(*it)->tetrahedra[i]->getVertex(3));
const nodalBasis* fs = t->getFunctionSpace();
for (int j=0;j<t->getNumVertices();j++){
if (t->getVertex(j)->onWhat() == *it){
double t1 = fs->points(j, 0);
double t2 = fs->points(j, 1);
double t3 = fs->points(j, 2);
SPoint3 pc; t_1.pnt(t1, t2, t3,pc);
_straightSidedLocation [t->getVertex(j)] =
SVector3(pc.x(),pc.y(),pc.z());
}
}
}
for (unsigned int i=0;i<(*it)->hexahedra.size();i++){
_dim = 3;
MHexahedron *h = (*it)->hexahedra[i];
MHexahedron h_1 ((*it)->hexahedra[i]->getVertex(0),
(*it)->hexahedra[i]->getVertex(1),
(*it)->hexahedra[i]->getVertex(2),
(*it)->hexahedra[i]->getVertex(3),
(*it)->hexahedra[i]->getVertex(4),
(*it)->hexahedra[i]->getVertex(5),
(*it)->hexahedra[i]->getVertex(6),
(*it)->hexahedra[i]->getVertex(7));
const nodalBasis* fs = h->getFunctionSpace();
for (int j=0;j<h->getNumVertices();j++){
if (h->getVertex(j)->onWhat() == *it){
double t1 = fs->points(j, 0);
double t2 = fs->points(j, 1);
double t3 = fs->points(j, 2);
SPoint3 pc; h_1.pnt(t1, t2, t3,pc);
_straightSidedLocation [h->getVertex(j)] =
SVector3(pc.x(),pc.y(),pc.z());
}
}
}
}
Msg::Info("highOrderTools has been set up : %d nodes are considered",
_straightSidedLocation.size());
}
static void Subdivide(GFace *gf, bool splitIntoQuads, bool splitIntoHexas,
faceContainer &faceVertices)
{
if(!splitIntoQuads && !splitIntoHexas){
std::vector<MTriangle*> triangles2;
for(unsigned int i = 0; i < gf->triangles.size(); i++){
MTriangle *t = gf->triangles[i];
if(t->getNumVertices() == 6){
triangles2.push_back
(new MTriangle(t->getVertex(0), t->getVertex(3), t->getVertex(5)));
triangles2.push_back
(new MTriangle(t->getVertex(3), t->getVertex(4), t->getVertex(5)));
triangles2.push_back
(new MTriangle(t->getVertex(3), t->getVertex(1), t->getVertex(4)));
triangles2.push_back
(new MTriangle(t->getVertex(5), t->getVertex(4), t->getVertex(2)));
}
delete t;
}
gf->triangles = triangles2;
}
std::vector<MQuadrangle*> quadrangles2;
for(unsigned int i = 0; i < gf->quadrangles.size(); i++){
MQuadrangle *q = gf->quadrangles[i];
if(q->getNumVertices() == 9){
quadrangles2.push_back
(new MQuadrangle(q->getVertex(0), q->getVertex(4), q->getVertex(8), q->getVertex(7)));
quadrangles2.push_back
(new MQuadrangle(q->getVertex(4), q->getVertex(1), q->getVertex(5), q->getVertex(8)));
quadrangles2.push_back
(new MQuadrangle(q->getVertex(8), q->getVertex(5), q->getVertex(2), q->getVertex(6)));
quadrangles2.push_back
(new MQuadrangle(q->getVertex(7), q->getVertex(8), q->getVertex(6), q->getVertex(3)));
}
delete q;
}
if(splitIntoQuads || splitIntoHexas){
for(unsigned int i = 0; i < gf->triangles.size(); i++){
MTriangle *t = gf->triangles[i];
if(t->getNumVertices() == 6){
SPoint2 pt;
SPoint3 ptx; t->pnt(0.5, 0.5, 0, ptx);
bool reparamOK = true;
for(int k = 0; k < 6; k++){
SPoint2 temp;
reparamOK &= reparamMeshVertexOnFace(t->getVertex(k), gf, temp);
pt[0] += temp[0] / 6.;
pt[1] += temp[1] / 6.;
}
MVertex *newv;
if (reparamOK){
GPoint gp = gf->point(pt);
newv = new MFaceVertex(gp.x(), gp.y(), gp.z(), gf, pt[0], pt[1]);
}
else {
newv = new MVertex(ptx.x(), ptx.y(), ptx.z(), gf);
}
gf->mesh_vertices.push_back(newv);
if(splitIntoHexas) faceVertices[t->getFace(0)].push_back(newv);
quadrangles2.push_back
(new MQuadrangle(t->getVertex(0), t->getVertex(3), newv, t->getVertex(5)));
quadrangles2.push_back
(new MQuadrangle(t->getVertex(3), t->getVertex(1), t->getVertex(4), newv));
quadrangles2.push_back
(new MQuadrangle(t->getVertex(5), newv,t->getVertex(4), t->getVertex(2)));
delete t;
}
}
gf->triangles.clear();
}
gf->quadrangles = quadrangles2;
for(unsigned int i = 0; i < gf->mesh_vertices.size(); i++)
gf->mesh_vertices[i]->setPolynomialOrder(1);
gf->deleteVertexArrays();
}