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Added option to work only on selected faces to remeshing 

added also handy shortcut to avoid creating the projection mesh copy
This commit is contained in:
Paolo Cignoni 2017-04-11 19:11:51 +02:00
parent 717a183097
commit 65c847fede
1 changed files with 23 additions and 11 deletions
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34
vcg/complex/algorithms/isotropic_remeshing.h
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@ -66,11 +66,12 @@ public:
ScalarType maxLength; // maximal admitted length: no edge should be longer than this value (used when refining) ScalarType maxLength; // maximal admitted length: no edge should be longer than this value (used when refining)
ScalarType lengthThr; ScalarType lengthThr;
ScalarType creaseAngleCosThr= cos(math::ToRad(10.0)) ; ScalarType creaseAngleCosThr= cos(math::ToRad(10.0)) ;
bool splitFlag=true; bool splitFlag = true;
bool swapFlag=true; bool swapFlag = true;
bool collapseFlag=true; bool collapseFlag = true;
bool smoothFlag=true; bool smoothFlag=true;
bool projectFlag=true; bool projectFlag=true;
bool selectedOnly = false;
bool adapt=false; bool adapt=false;
int iter=1; int iter=1;
Stat stat; Stat stat;
@ -88,8 +89,19 @@ public:
} Params; } Params;
static void Do(MeshType &toRemesh, Params params, vcg::CallBackPos * cb=0)
{
MeshType toProjectCopy;
tri::UpdateBounding<MeshType>::Box(toRemesh);
tri::UpdateNormal<MeshType>::PerVertexNormalizedPerFaceNormalized(toRemesh);
tri::Append<MeshType,MeshType>::MeshCopy(toProjectCopy, toRemesh);
Do(toRemesh,toProjectCopy,params,cb);
}
static void Do(MeshType &toRemesh, MeshType &toProject, Params params, vcg::CallBackPos * cb=0) static void Do(MeshType &toRemesh, MeshType &toProject, Params params, vcg::CallBackPos * cb=0)
{ {
assert(&toRemesh != &toProject);
StaticGrid t; StaticGrid t;
params.stat.Reset(); params.stat.Reset();
t.Set(toProject.face.begin(), toProject.face.end()); t.Set(toProject.face.begin(), toProject.face.end());
@ -99,11 +111,7 @@ public:
tri::UpdateTopology<MeshType>::FaceFace(toRemesh); tri::UpdateTopology<MeshType>::FaceFace(toRemesh);
tri::UpdateFlags<MeshType>::VertexBorderFromFaceAdj(toRemesh); tri::UpdateFlags<MeshType>::VertexBorderFromFaceAdj(toRemesh);
/* Manifold(ness) check*/ tri::MeshAssert<MeshType>::FFTwoManifoldEdge(toRemesh);
assert(tri::Clean<MeshType>::CountNonManifoldEdgeFF(toRemesh) != 0 ||
tri::Clean<MeshType>::CountNonManifoldVertexFF(toRemesh) != 0 ||
"Input mesh is non-manifold, manifoldness is required!\nInterrupting filter");
tri::UpdateTopology<MeshType>::VertexFace(toRemesh); tri::UpdateTopology<MeshType>::VertexFace(toRemesh);
computeQuality(toRemesh); computeQuality(toRemesh);
tri::UpdateQuality<MeshType>::VertexSaturate(toRemesh); tri::UpdateQuality<MeshType>::VertexSaturate(toRemesh);
@ -292,7 +300,8 @@ private:
tri::UpdateTopology<MeshType>::FaceFace(m); //collapser does not update FF tri::UpdateTopology<MeshType>::FaceFace(m); //collapser does not update FF
forEachFacePos(m, [&](PosType &p){ forEachFacePos(m, [&](PosType &p){
if(p.FFlip() > p.F()) if(p.FFlip() > p.F())
if(testSwap(p, params.creaseAngleCosThr) && if(((!params.selectedOnly) || (p.F()->IsS() && p.FFlip()->IsS())) &&
testSwap(p, params.creaseAngleCosThr) &&
face::CheckFlipEdgeNormal(*p.F(), p.E(), math::ToRad(10.f)) && face::CheckFlipEdgeNormal(*p.F(), p.E(), math::ToRad(10.f)) &&
face::CheckFlipEdge(*p.F(), p.E()) ) face::CheckFlipEdge(*p.F(), p.E()) )
{ {
@ -360,7 +369,7 @@ private:
else { else {
EdgeSplitLenPred ep; EdgeSplitLenPred ep;
ep.squaredlengthThr = params.maxLength*params.maxLength; ep.squaredlengthThr = params.maxLength*params.maxLength;
tri::RefineE(m,midFunctor,ep); tri::RefineE(m,midFunctor,ep,params.selectedOnly);
params.stat.splitNum+=ep.count; params.stat.splitNum+=ep.count;
} }
} }
@ -378,10 +387,12 @@ private:
vector<int> vi; vector<int> vi;
face::VFStarVF<FaceType>(p.V(), ff, vi); face::VFStarVF<FaceType>(p.V(), ff, vi);
bool allIncidentFaceSelected = true;
for(FaceType *f: ff) for(FaceType *f: ff)
if(!(*f).IsD() && f != p.F()) //i'm not a deleted face if(!(*f).IsD() && f != p.F()) //i'm not a deleted face
{ {
allIncidentFaceSelected &= f->IsS();
PosType pi(f, p.V()); //same vertex PosType pi(f, p.V()); //same vertex
VertexType *v0 = pi.V(); VertexType *v0 = pi.V();
@ -415,6 +426,7 @@ private:
return false; return false;
} }
} }
if(params.selectedOnly) return allIncidentFaceSelected;
return true; return true;
} }