inline double computeEdgeLinearLength(BDS_Point *p1, BDS_Point *p2, GFace *f,
double SCALINGU, double SCALINGV)
{
// FIXME SUPER HACK
// if (CTX::instance()->mesh.recombineAll || f->meshAttributes.recombine || 1){
// double quadAngle = backgroundMesh::current()->getAngle (0.5 * (p1->u + p2->u) * SCALINGU, 0.5 * (p1->v + p2->v) * SCALINGV,0);
// const double a [2] = {p1->u,p1->v};
// const double b [2] = {p2->u,p2->v};
// return lengthInfniteNorm(a,b, quadAngle);
// }
GPoint GP = f->point(SPoint2(0.5 * (p1->u + p2->u) * SCALINGU,
0.5 * (p1->v + p2->v) * SCALINGV));
if (!GP.succeeded())
return computeEdgeLinearLength(p1,p2);
const double dx1 = p1->X - GP.x();
const double dy1 = p1->Y - GP.y();
const double dz1 = p1->Z - GP.z();
const double l1 = sqrt(dx1 * dx1 + dy1 * dy1 + dz1 * dz1);
const double dx2 = p2->X - GP.x();
const double dy2 = p2->Y - GP.y();
const double dz2 = p2->Z - GP.z();
const double l2 = sqrt(dx2 * dx2 + dy2 * dy2 + dz2 * dz2);
return l1 + l2;
}
// use real space + projection at the end
static double _relocateVertex2(GFace *gf, MVertex *ver,
const std::vector<MElement *> <, double tol)
{
SPoint3 p1(0, 0, 0);
std::size_t counter = 0;
for(std::size_t i = 0; i < lt.size(); i++) {
for(std::size_t j = 0; j < lt[i]->getNumVertices(); j++) {
MVertex *v = lt[i]->getVertex(j);
p1 += SPoint3(v->x(), v->y(), v->z());
counter++;
}
}
p1 *= 1.0 / (double)counter;
SPoint3 p2(ver->x(), ver->y(), ver->z());
double worst;
double xi = Maximize_Quality_Golden_Section(ver, gf, p1, p2, lt, tol, worst);
SPoint3 p = p1 * (1 - xi) + p2 * xi;
double initialGuess[2] = {0, 0};
GPoint pp = gf->closestPoint(p, initialGuess);
if(!pp.succeeded()) return 2.0;
ver->x() = pp.x();
ver->y() = pp.y();
ver->z() = pp.z();
return worst;
}
void splitEdgePass(GFace *gf, BDS_Mesh &m, double MAXE_, int &nb_split)
{
std::list<BDS_Edge*>::iterator it = m.edges.begin();
std::vector<std::pair<double, BDS_Edge*> > edges;
while (it != m.edges.end()){
if(!(*it)->deleted && (*it)->numfaces() == 2){
double lone = NewGetLc(*it, gf, m.scalingU, m.scalingV);
if(lone > MAXE_){
edges.push_back(std::make_pair(-lone, *it));
}
}
++it;
}
std::sort(edges.begin(), edges.end());
for (unsigned int i = 0; i < edges.size(); ++i){
BDS_Edge *e = edges[i].second;
if (!e->deleted){
const double coord = 0.5;
BDS_Point *mid ;
double U, V;
U = coord * e->p1->u + (1 - coord) * e->p2->u;
V = coord * e->p1->v + (1 - coord) * e->p2->v;
GPoint gpp = gf->point(m.scalingU*U,m.scalingV*V);
if (gpp.succeeded()){
mid = m.add_point(++m.MAXPOINTNUMBER, gpp.x(),gpp.y(),gpp.z());
mid->u = U;
mid->v = V;
if (backgroundMesh::current() && 0){
mid->lc() = mid->lcBGM() =
backgroundMesh::current()->operator()
((coord * e->p1->u + (1 - coord) * e->p2->u)*m.scalingU,
(coord * e->p1->v + (1 - coord) * e->p2->v)*m.scalingV,
0.0);
}
else {
mid->lcBGM() = BGM_MeshSize
(gf,
(coord * e->p1->u + (1 - coord) * e->p2->u)*m.scalingU,
(coord * e->p1->v + (1 - coord) * e->p2->v)*m.scalingV,
mid->X,mid->Y,mid->Z);
mid->lc() = 0.5 * (e->p1->lc() + e->p2->lc());
}
if(!m.split_edge(e, mid)) m.del_point(mid);
else nb_split++;
}
}
}
}
static double _relocateVertex(GFace *gf, MVertex *ver,
const std::vector<MElement *> <, double tol)
{
if(ver->onWhat()->dim() != 2) return 2.0;
SPoint2 p1(0, 0);
SPoint2 p2;
if(ver->getParameter(0, p2[0])) {
ver->getParameter(1, p2[1]);
}
else {
return _relocateVertex2(gf, ver, lt, tol);
}
std::size_t counter = 0;
for(std::size_t i = 0; i < lt.size(); i++) {
for(std::size_t j = 0; j < lt[i]->getNumVertices(); j++) {
MVertex *v = lt[i]->getVertex(j);
SPoint2 pp;
reparamMeshVertexOnFace(v, gf, pp);
counter++;
if(v->onWhat()->dim() == 1) {
GEdge *ge = dynamic_cast<GEdge *>(v->onWhat());
// do not take any chance
if(ge->isSeam(gf)) return 2.0;
}
p1 += pp;
}
}
p1 *= 1. / (double)counter;
double worst;
double xi = Maximize_Quality_Golden_Section(ver, gf, p1, p2, lt, tol, worst);
// if (xi != 0) printf("xi = %g\n",xi);
SPoint2 p = p1 * (1 - xi) + p2 * xi;
GPoint pp = gf->point(p);
if(!pp.succeeded()) return 2.0;
ver->x() = pp.x();
ver->y() = pp.y();
ver->z() = pp.z();
ver->setParameter(0, pp.u());
ver->setParameter(1, pp.v());
return worst;
}
bool GEdge::computeDistanceFromMeshToGeometry (double &d2, double &dmax)
{
d2 = 0.0; dmax = 0.0;
if (geomType() == Line) return true;
if (!lines.size())return false;
IntPt *pts;
int npts;
lines[0]->getIntegrationPoints(2*lines[0]->getPolynomialOrder(), &npts, &pts);
for (unsigned int i = 0; i < lines.size(); i++){
MLine *l = lines[i];
double t[256];
for (int j=0; j< l->getNumVertices();j++){
MVertex *v = l->getVertex(j);
if (v->onWhat() == getBeginVertex()){
t[j] = getLowerBound();
}
else if (v->onWhat() == getEndVertex()){
t[j] = getUpperBound();
}
else {
v->getParameter(0,t[j]);
}
}
for (int j=0;j<npts;j++){
SPoint3 p;
l->pnt(pts[j].pt[0],0,0,p);
double tinit = l->interpolate(t,pts[j].pt[0],0,0);
GPoint pc = closestPoint(p, tinit);
if (!pc.succeeded())continue;
double dsq =
(pc.x()-p.x())*(pc.x()-p.x()) +
(pc.y()-p.y())*(pc.y()-p.y()) +
(pc.z()-p.z())*(pc.z()-p.z());
d2 += pts[i].weight * fabs(l->getJacobianDeterminant(pts[j].pt[0],0,0)) * dsq;
dmax = std::max(dmax,sqrt(dsq));
}
}
d2 = sqrt(d2);
return true;
}