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- removed a wrong assertion in the refine method for vector handles

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- added unittests for the adaptive composite subdivider

closes #261

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@755 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Isaak Lim
2012-10-31 10:29:40 +00:00
parent 471e62003e
commit 485356abab
2 changed files with 286 additions and 40 deletions
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74
src/OpenMesh/Tools/Subdivider/Adaptive/Composite/CompositeT.cc
View File

@@ -4,10 +4,10 @@
* Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
*---------------------------------------------------------------------------*
* This file is part of OpenMesh. *
* *
* OpenMesh is free software: you can redistribute it and/or modify *
* OpenMesh is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of *
* the License, or (at your option) any later version with the *
@@ -30,17 +30,17 @@
* License along with OpenMesh. If not, *
* see <http://www.gnu.org/licenses/>. *
* *
\*===========================================================================*/
\*===========================================================================*/
/*===========================================================================*\
* *
* *
* $Revision$ *
* $Date$ *
* *
\*===========================================================================*/
/** \file Adaptive/Composite/CompositeT.cc
*/
//=============================================================================
@@ -67,44 +67,44 @@ namespace Subdivider { // BEGIN_NS_DECIMATER
namespace Adaptive { // BEGIN_NS_ADAPTIVE
//== IMPLEMENTATION ==========================================================
//== IMPLEMENTATION ==========================================================
template<class M>
bool
CompositeT<M> ::
initialize( void )
initialize( void )
{
typename Mesh::VertexIter v_it;
typename Mesh::FaceIter f_it;
typename Mesh::EdgeIter e_it;
const typename Mesh::Point zero_point(0.0, 0.0, 0.0);
// ---------------------------------------- Init Vertices
for (v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it)
for (v_it = mesh_.vertices_begin(); v_it != mesh_.vertices_end(); ++v_it)
{
mesh_.data(v_it).set_state(0);
mesh_.data(v_it).set_final();
mesh_.data(v_it).set_position(0, mesh_.point(v_it.handle()));
}
// ---------------------------------------- Init Faces
for (f_it = mesh_.faces_begin(); f_it != mesh_.faces_end(); ++f_it)
for (f_it = mesh_.faces_begin(); f_it != mesh_.faces_end(); ++f_it)
{
mesh_.data(f_it).set_state(0);
mesh_.data(f_it).set_final();
mesh_.data(f_it).set_position(0, zero_point);
}
// ---------------------------------------- Init Edges
for (e_it = mesh_.edges_begin(); e_it != mesh_.edges_end(); ++e_it)
for (e_it = mesh_.edges_begin(); e_it != mesh_.edges_end(); ++e_it)
{
mesh_.data(e_it).set_state(0);
mesh_.data(e_it).set_final();
mesh_.data(e_it).set_position(0, zero_point);
}
// ---------------------------------------- Init Rules
int n_subdiv_rules_ = 0;
@@ -113,9 +113,9 @@ initialize( void )
// look for subdivision rule(s)
for (size_t i=0; i < n_rules(); ++i) {
if (rule_sequence_[i]->type()[0] == 'T' ||
rule_sequence_[i]->type()[0] == 't')
{
if (rule_sequence_[i]->type()[0] == 'T' ||
rule_sequence_[i]->type()[0] == 't')
{
++n_subdiv_rules_;
subdiv_rule_ = rule_sequence_[i];
subdiv_type_ = rule_sequence_[i]->subdiv_type();
@@ -127,7 +127,7 @@ initialize( void )
assert(n_subdiv_rules_ == 1);
if (n_subdiv_rules_ != 1)
{
{
std::cerr << "Error! More than one subdivision rules not allowed!\n";
return false;
}
@@ -146,7 +146,7 @@ initialize( void )
// last_rule_ = rule_sequence_.back(); //[n_rules() - 1];
// set numbers and previous rule
for (size_t i = 0; i < n_rules(); ++i)
for (size_t i = 0; i < n_rules(); ++i)
{
rule_sequence_[i]->set_subdiv_type(subdiv_type_);
rule_sequence_[i]->set_n_rules(n_rules());
@@ -170,16 +170,16 @@ initialize( void )
template<class M>
void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
{
std::vector<typename Mesh::HalfedgeHandle> hh_vector;
// -------------------- calculate new level for faces and vertices
int new_face_level =
t_rule()->number() + 1 +
int new_face_level =
t_rule()->number() + 1 +
((int)floor((float)(mesh_.data(_fh).state() - t_rule()->number() - 1)/n_rules()) + 1) * n_rules();
int new_vertex_level =
int new_vertex_level =
new_face_level + l_rule()->number() - t_rule()->number();
// -------------------- store old vertices
@@ -190,9 +190,9 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
vh[1] = mesh_.TVH(mesh_.NHEH(mesh_.HEH(_fh)));
vh[2] = mesh_.TVH(mesh_.PHEH(mesh_.HEH(_fh)));
// save handles to incoming halfedges for getting the new vertices
// save handles to incoming halfedges for getting the new vertices
// after subdivision (1-4 split)
if (subdiv_type_ == 4)
if (subdiv_type_ == 4)
{
hh_vector.clear();
@@ -201,16 +201,16 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
{
typename Mesh::FaceHalfedgeIter fh_it(mesh_.fh_iter(_fh));
for (; fh_it; ++fh_it)
for (; fh_it; ++fh_it)
{
hh_vector.push_back(mesh_.PHEH(mesh_.OHEH(fh_it.handle())));
}
}
// red face
else
else
{
typename Mesh::HalfedgeHandle red_hh(mesh_.data(_fh).red_halfedge());
hh_vector.push_back(mesh_.PHEH(mesh_.OHEH(mesh_.NHEH(red_hh))));
@@ -218,7 +218,7 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
}
}
// -------------------- Average rule before topo rule?
if (t_rule()->number() > 0)
t_rule()->prev_rule()->raise(_fh, new_face_level-1);
@@ -227,14 +227,14 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
t_rule()->raise(_fh, new_face_level);
#if 0 // original code
assert(MOBJ(_fh).state() >=
assert(MOBJ(_fh).state() >=
subdiv_rule_->number()+1+(int) (MOBJ(_fh).state()/n_rules())*n_rules());
#else // improved code (use % operation and avoid floating point division)
assert( mesh_.data(_fh).state() >= ( t_rule()->number()+1+generation(_fh) ) );
#endif
// raise new vertices to final levels
if (subdiv_type_ == 3)
if (subdiv_type_ == 3)
{
typename Mesh::VertexHandle new_vh(mesh_.TVH(mesh_.NHEH(mesh_.HEH(_fh))));
@@ -242,7 +242,7 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
l_rule()->raise(new_vh, new_vertex_level);
}
if (subdiv_type_ == 4)
if (subdiv_type_ == 4)
{
typename Mesh::HalfedgeHandle hh;
typename Mesh::VertexHandle new_vh;
@@ -260,7 +260,7 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
}
}
// raise old vertices to final position
// raise old vertices to final position
l_rule()->raise(vh[0], new_vertex_level);
l_rule()->raise(vh[1], new_vertex_level);
l_rule()->raise(vh[2], new_vertex_level);
@@ -271,13 +271,11 @@ void CompositeT<M>::refine(typename Mesh::FaceHandle& _fh)
template<class M>
void CompositeT<M>::refine(typename Mesh::VertexHandle& _vh)
void CompositeT<M>::refine(typename Mesh::VertexHandle& _vh)
{
// calculate next final level for vertex
int new_vertex_state = generation(_vh) + l_rule()->number() + 1;
assert( new_vertex_state == mesh_.data(_vh).state()+1 );
// raise vertex to final position
l_rule()->raise(_vh, new_vertex_state);
}
@@ -298,7 +296,7 @@ std::string CompositeT<M>::rules_as_string(const std::string& _sep) const
for (++it; it != rule_sequence_.end(); ++it )
{
seq += _sep;
seq += (*it)->type();
seq += (*it)->type();
}
}
return seq;

252
src/Unittests/unittests_subdivider.hh
View File

@@ -5,6 +5,8 @@
#include <Unittests/unittests_common.hh>
#include <OpenMesh/Tools/Subdivider/Uniform/CatmullClarkT.hh>
#include <OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh>
#include <OpenMesh/Tools/Subdivider/Adaptive/Composite/CompositeT.hh>
#include <OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh>
class OpenMeshSubdivider_Poly : public OpenMeshBasePoly {
@@ -12,7 +14,7 @@ class OpenMeshSubdivider_Poly : public OpenMeshBasePoly {
// This function is called before each test is run
virtual void SetUp() {
// Do some initial stuff with the member data here...
}
@@ -23,7 +25,7 @@ class OpenMeshSubdivider_Poly : public OpenMeshBasePoly {
}
// Member already defined in OpenMeshBase
//Mesh mesh_;
//Mesh mesh_;
};
class OpenMeshSubdivider_Triangle : public OpenMeshBase {
@@ -245,4 +247,250 @@ TEST_F(OpenMeshSubdivider_Poly, Subdivider_CatmullClark) {
}
struct MeshTraits : public OpenMesh::Subdivider::Adaptive::CompositeTraits {
typedef OpenMesh::Vec3f Point;
typedef OpenMesh::Vec3f Normal;
VertexAttributes(OpenMesh::Attributes::Status | OpenMesh::Attributes::Normal);
EdgeAttributes(OpenMesh::Attributes::Status);
FaceAttributes(OpenMesh::Attributes::Status | OpenMesh::Attributes::Normal);
};
typedef OpenMesh::TriMesh_ArrayKernelT<MeshTraits> MyMesh;
TEST_F(OpenMeshSubdivider_Triangle, AdaptiveCompositeRefineVertex) {
MyMesh mesh;
mesh.request_vertex_status();
mesh.request_edge_status();
mesh.request_face_status();
mesh.request_vertex_normals();
mesh.request_face_normals();
// Add some vertices
MyMesh::VertexHandle vhandle[9];
vhandle[0] = mesh.add_vertex(MyMesh::Point(0, 0, 0));
vhandle[1] = mesh.add_vertex(MyMesh::Point(0, 1, 0));
vhandle[2] = mesh.add_vertex(MyMesh::Point(0, 2, 0));
vhandle[3] = mesh.add_vertex(MyMesh::Point(1, 0, 0));
vhandle[4] = mesh.add_vertex(MyMesh::Point(1, 1, 0));
vhandle[5] = mesh.add_vertex(MyMesh::Point(1, 2, 0));
vhandle[6] = mesh.add_vertex(MyMesh::Point(2, 0, 0));
vhandle[7] = mesh.add_vertex(MyMesh::Point(2, 1, 0));
vhandle[8] = mesh.add_vertex(MyMesh::Point(2, 2, 0));
// Add eight faces
std::vector<MyMesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[3]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[4]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[7]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[8]);
face_vhandles.push_back(vhandle[7]);
mesh.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[8]);
MyMesh::FaceHandle fh = mesh.add_face(face_vhandles);
//// Test setup:
//// 6 === 7 === 8
//// | / | / |
//// | / | / |
//// | / | / |
//// 3 === 4 === 5
//// | / | \ |
//// | / | \ |
//// | / | \ |
//// 0 === 1 === 2
// Initialize subdivider
OpenMesh::Subdivider::Adaptive::CompositeT<MyMesh> subdivider(mesh);
subdivider.add<OpenMesh::Subdivider::Adaptive::Tvv3<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::VF<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::FF<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::FVc<MyMesh> >();
subdivider.initialize();
// Check setup
EXPECT_EQ(9u, mesh.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(8u, mesh.n_faces() ) << "Wrong number of faces";
// execute adaptive composite subdivision
subdivider.refine(vhandle[4]);
// Check setup
EXPECT_EQ(17u, mesh.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
EXPECT_EQ(24u, mesh.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
}
TEST_F(OpenMeshSubdivider_Triangle, AdaptiveCompositeRefineFace) {
MyMesh mesh;
mesh.request_vertex_status();
mesh.request_edge_status();
mesh.request_face_status();
mesh.request_vertex_normals();
mesh.request_face_normals();
// Add some vertices
MyMesh::VertexHandle vhandle[9];
vhandle[0] = mesh.add_vertex(MyMesh::Point(0, 0, 0));
vhandle[1] = mesh.add_vertex(MyMesh::Point(0, 1, 0));
vhandle[2] = mesh.add_vertex(MyMesh::Point(0, 2, 0));
vhandle[3] = mesh.add_vertex(MyMesh::Point(1, 0, 0));
vhandle[4] = mesh.add_vertex(MyMesh::Point(1, 1, 0));
vhandle[5] = mesh.add_vertex(MyMesh::Point(1, 2, 0));
vhandle[6] = mesh.add_vertex(MyMesh::Point(2, 0, 0));
vhandle[7] = mesh.add_vertex(MyMesh::Point(2, 1, 0));
vhandle[8] = mesh.add_vertex(MyMesh::Point(2, 2, 0));
// Add eight faces
std::vector<MyMesh::VertexHandle> face_vhandles;
std::vector<MyMesh::FaceHandle> face_handles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[3]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[4]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[7]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[8]);
face_vhandles.push_back(vhandle[7]);
face_handles.push_back(mesh.add_face(face_vhandles));
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[8]);
face_handles.push_back(mesh.add_face(face_vhandles));
//// Test setup:
//// 6 === 7 === 8
//// | / | / |
//// | / | / |
//// | / | / |
//// 3 === 4 === 5
//// | / | \ |
//// | / | \ |
//// | / | \ |
//// 0 === 1 === 2
// Initialize subdivider
OpenMesh::Subdivider::Adaptive::CompositeT<MyMesh> subdivider(mesh);
subdivider.add<OpenMesh::Subdivider::Adaptive::Tvv3<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::VF<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::FF<MyMesh> >();
subdivider.add<OpenMesh::Subdivider::Adaptive::FVc<MyMesh> >();
subdivider.initialize();
// Check setup
EXPECT_EQ(9u, mesh.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(8u, mesh.n_faces() ) << "Wrong number of faces";
// execute adaptive composite subdivision
std::vector<MyMesh::FaceHandle>::iterator it, end;
it = face_handles.begin();
end = face_handles.end();
for (; it != end; ++it)
subdivider.refine(*it);
// Check setup
EXPECT_EQ(245u, mesh.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
EXPECT_EQ(458u, mesh.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
}
#endif // INCLUDE GUARD