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Smoother Update, added function to respect feature vertices/lines/edges on the Mesh

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Function skip_features()
Defaults to false

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@86 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2009-03-19 13:57:44 +00:00
parent 81d26755d2
commit c55b06644d
2 changed files with 107 additions and 71 deletions
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95
Tools/Smoother/SmootherT.cc
View File

@@ -1,35 +1,35 @@
//=============================================================================
//
// OpenMesh
// Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen
// www.openmesh.org
//
//
// OpenMesh
// Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen
// www.openmesh.org
//
//-----------------------------------------------------------------------------
//
// License
//
// This library 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, version 2.1.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
// License
//
// This library 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, version 2.1.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//-----------------------------------------------------------------------------
//
//
// $Revision$
// $Date$
//
//
//=============================================================================
/** \file SmootherT.cc
*/
//=============================================================================
@@ -58,7 +58,8 @@ namespace Smoother {
template <class Mesh>
SmootherT<Mesh>::
SmootherT(Mesh& _mesh)
: mesh_(_mesh)
: mesh_(_mesh),
skip_features_(false)
{
// request properties
mesh_.request_vertex_status();
@@ -151,9 +152,33 @@ set_active_vertices()
bool active;
for (v_it=mesh_.vertices_begin(); v_it!=v_end; ++v_it)
{
active = ((nothing_selected || mesh_.status(v_it).selected())
&& !mesh_.is_boundary(v_it)
&& !mesh_.status(v_it).locked());
active = ((nothing_selected || mesh_.status(v_it).selected())
&& !mesh_.is_boundary(v_it)
&& !mesh_.status(v_it).locked());
if ( skip_features_ ) {
active = active && !mesh_.status(v_it).feature();
typename Mesh::VertexOHalfedgeIter voh_it(mesh_,v_it);
for ( ; voh_it ; ++voh_it ) {
// If the edge is a feature edge, skip the current vertex while smoothing
if ( mesh_.status(mesh_.edge_handle(voh_it.handle())).feature() )
active = false;
typename Mesh::FaceHandle fh1 = mesh_.face_handle(voh_it.handle() );
typename Mesh::FaceHandle fh2 = mesh_.face_handle(mesh_.opposite_halfedge_handle(voh_it.handle() ) );
// If one of the faces is a feature, lock current vertex
if ( fh1.is_valid() && mesh_.status( fh1 ).feature() )
active = false;
if ( fh2.is_valid() && mesh_.status( fh2 ).feature() )
active = false;
}
}
mesh_.property(is_active_, v_it) = active;
}
@@ -212,7 +237,7 @@ set_relative_local_error(Scalar _err)
{
if (!mesh_.vertices_empty())
{
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
v_end(mesh_.vertices_end());
@@ -315,14 +340,14 @@ void
SmootherT<Mesh>::
project_to_tangent_plane()
{
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
v_end(mesh_.vertices_end());
// Normal should be a vector type. In some environment a vector type
// is different from point type, e.g. OpenSG!
typename Mesh::Normal translation, normal;
for (; v_it != v_end; ++v_it)
for (; v_it != v_end; ++v_it)
{
if (is_active(v_it))
{
@@ -345,14 +370,14 @@ void
SmootherT<Mesh>::
local_error_check()
{
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
v_end(mesh_.vertices_end());
typename Mesh::Normal translation;
typename Mesh::Scalar s;
for (; v_it != v_end; ++v_it)
for (; v_it != v_end; ++v_it)
{
if (is_active(v_it))
{
@@ -379,10 +404,10 @@ void
SmootherT<Mesh>::
move_points()
{
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
typename Mesh::VertexIter v_it(mesh_.vertices_begin()),
v_end(mesh_.vertices_end());
for (; v_it != v_end; ++v_it)
for (; v_it != v_end; ++v_it)
if (is_active(v_it))
mesh_.set_point(v_it, mesh_.property(new_positions_, v_it));
}