First checkin for OpenMesh 2.0
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
247
Tools/Subdivider/Adaptive/Composite/CompositeTraits.hh
Normal file
247
Tools/Subdivider/Adaptive/Composite/CompositeTraits.hh
Normal file
@@ -0,0 +1,247 @@
|
||||
//=============================================================================
|
||||
//
|
||||
// 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.
|
||||
//
|
||||
//-----------------------------------------------------------------------------
|
||||
//
|
||||
// $Revision: 1802 $
|
||||
// $Date: 2008-05-19 11:55:07 +0200 (Mo, 19. Mai 2008) $
|
||||
//
|
||||
//=============================================================================
|
||||
|
||||
/** \file Subdivider/Adaptive/Composite/CompositeTraits.hh
|
||||
Mesh traits for adaptive composite subdivider.
|
||||
*/
|
||||
|
||||
//=============================================================================
|
||||
//
|
||||
// CLASS Traits
|
||||
//
|
||||
//=============================================================================
|
||||
|
||||
#ifndef OPENMESH_SUBDIVIDER_ADAPTIVE_COMPOSITETRAITS_HH
|
||||
#define OPENMESH_SUBDIVIDER_ADAPTIVE_COMPOSITETRAITS_HH
|
||||
|
||||
|
||||
//== INCLUDES =================================================================
|
||||
|
||||
#include <map>
|
||||
#include <OpenMesh/Core/Mesh/Traits.hh>
|
||||
|
||||
//== NAMESPACE ================================================================
|
||||
|
||||
namespace OpenMesh { // BEGIN_NS_OPENMESH
|
||||
namespace Subdivider { // BEGIN_NS_DECIMATER
|
||||
namespace Adaptive { // BEGIN_NS_UNIFORM
|
||||
|
||||
|
||||
//== CLASS DEFINITION =========================================================
|
||||
|
||||
/** Adaptive Composite Subdivision framework.
|
||||
*/
|
||||
|
||||
// typedef unsigned short state_t;
|
||||
// const state_t mask_final = 1 << ((sizeof(state_t)*8)-1);
|
||||
// const state_t mask_state = ~mask_final;
|
||||
|
||||
/** Mesh traits for adaptive composite subdivision
|
||||
*/
|
||||
struct CompositeTraits : public OpenMesh::DefaultTraits
|
||||
{
|
||||
typedef int state_t; ///< External representation for intermediate state
|
||||
typedef bool final_t; ///< External representation for final flag
|
||||
|
||||
|
||||
/// Storage type for intermediate states and the final flag of a mesh entity.
|
||||
struct State
|
||||
{
|
||||
int state : 31;
|
||||
unsigned final : 1;
|
||||
};
|
||||
|
||||
// ---------------------------------------- attributes
|
||||
|
||||
// add face normals
|
||||
FaceAttributes( OpenMesh::Attributes::Normal );
|
||||
|
||||
// add vertex normals
|
||||
VertexAttributes( OpenMesh::Attributes::Normal );
|
||||
|
||||
// add previous halfedge handle
|
||||
HalfedgeAttributes( OpenMesh::Attributes::PrevHalfedge );
|
||||
|
||||
// ---------------------------------------- items
|
||||
|
||||
FaceTraits
|
||||
{
|
||||
|
||||
private:
|
||||
|
||||
typedef typename Refs::Point Point;
|
||||
typedef typename Refs::HalfedgeHandle HalfedgeHandle;
|
||||
typedef std::map<state_t, Point> PositionHistory;
|
||||
|
||||
State state_;
|
||||
HalfedgeHandle red_halfedge_;
|
||||
|
||||
PositionHistory pos_map_;
|
||||
|
||||
public:
|
||||
|
||||
// face state
|
||||
state_t state() const { return state_t(state_.state); }
|
||||
void set_state(const state_t _s) { state_.state = _s; }
|
||||
void inc_state() { ++state_.state; }
|
||||
|
||||
// face not final if divided (loop) or edge not flipped (sqrt(3))
|
||||
final_t final() const { return final_t(state_.final); }
|
||||
void set_final() { state_.final = true; }
|
||||
void set_not_final() { state_.final = false; }
|
||||
|
||||
// halfedge of dividing edge (red-green triangulation)
|
||||
const HalfedgeHandle& red_halfedge() const { return red_halfedge_; }
|
||||
void set_red_halfedge(const HalfedgeHandle& _h) { red_halfedge_ = _h; }
|
||||
|
||||
// position of face, depending on generation _i.
|
||||
void set_position(const int& _i, const Point& _p) { pos_map_[_i] = _p; }
|
||||
const Point position(const int& _i) {
|
||||
if (pos_map_.find(_i) != pos_map_.end())
|
||||
return pos_map_[_i];
|
||||
else {
|
||||
|
||||
if (_i <= 0) {
|
||||
return Point(0.0, 0.0, 0.0);
|
||||
}
|
||||
|
||||
return position(_i - 1);
|
||||
}
|
||||
}
|
||||
}; // end class FaceTraits
|
||||
|
||||
|
||||
EdgeTraits
|
||||
{
|
||||
|
||||
private:
|
||||
|
||||
typedef typename Refs::Point Point;
|
||||
typedef std::map<state_t, Point> PositionHistory;
|
||||
|
||||
State state_;
|
||||
PositionHistory pos_map_;
|
||||
|
||||
public:
|
||||
|
||||
typedef typename Refs::Scalar Scalar;
|
||||
|
||||
// Scalar weight_;
|
||||
|
||||
// state of edge
|
||||
state_t state() const { return state_t(state_.state); }
|
||||
void set_state(const state_t _s) { state_.state = _s; }
|
||||
void inc_state() { ++state_.state; }
|
||||
|
||||
// edge not final if dividing face (Loop) or edge not flipped (SQRT(3))
|
||||
final_t final() const { return final_t(state_.final); }
|
||||
void set_final() { state_.final = true; }
|
||||
void set_not_final() { state_.final = false; }
|
||||
|
||||
// position of edge, depending on generation _i.
|
||||
void set_position(const int& _i, const Point& _p) { pos_map_[_i] = _p; }
|
||||
|
||||
const Point position(const int& _i) {
|
||||
|
||||
if (pos_map_.find(_i) != pos_map_.end())
|
||||
return pos_map_[_i];
|
||||
else
|
||||
{
|
||||
if (_i <= 0)
|
||||
{
|
||||
const Point zero_point(0.0, 0.0, 0.0);
|
||||
return zero_point;
|
||||
}
|
||||
|
||||
return position(_i - 1);
|
||||
}
|
||||
}
|
||||
}; // end class EdgeTraits
|
||||
|
||||
|
||||
VertexTraits
|
||||
{
|
||||
|
||||
private:
|
||||
|
||||
typedef typename Refs::Point Point;
|
||||
typedef std::map<state_t, Point> PositionHistory;
|
||||
|
||||
State state_;
|
||||
PositionHistory pos_map_;
|
||||
|
||||
public:
|
||||
|
||||
// state of vertex
|
||||
state_t state() const { return state_.state; }
|
||||
void set_state(const state_t _s) { state_.state = _s; }
|
||||
void inc_state() { ++state_.state; }
|
||||
|
||||
|
||||
// usually not needed by loop or sqrt(3)
|
||||
final_t final() const { return state_.final; }
|
||||
void set_final() { state_.final = true; }
|
||||
void set_not_final() { state_.final = false; }
|
||||
|
||||
// position of vertex, depending on generation _i. (not for display)
|
||||
void set_position(const int& _i, const Point& _p) { pos_map_[_i] = _p; }
|
||||
const Point position(const int& _i) {
|
||||
|
||||
if (pos_map_.find(_i) != pos_map_.end())
|
||||
|
||||
return pos_map_[_i];
|
||||
|
||||
else {
|
||||
|
||||
if (_i <= 0) {
|
||||
|
||||
const Point zero_point(0.0, 0.0, 0.0);
|
||||
return zero_point;
|
||||
}
|
||||
|
||||
return position(_i - 1);
|
||||
}
|
||||
}
|
||||
}; // end class VertexTraits
|
||||
}; // end class CompositeTraits
|
||||
|
||||
|
||||
// export items to namespace to maintain compatibility
|
||||
typedef CompositeTraits::state_t state_t;
|
||||
typedef CompositeTraits::final_t final_t;
|
||||
typedef CompositeTraits::State State;
|
||||
|
||||
//=============================================================================
|
||||
} // END_NS_ADAPTIVE
|
||||
} // END_NS_SUBDIVIDER
|
||||
} // END_NS_OPENMESH
|
||||
//=============================================================================
|
||||
#endif // OPENMESH_SUBDIVIDER_ADAPTIVE_COMPOSITETRAITS_HH defined
|
||||
//=============================================================================
|
||||
Reference in New Issue
Block a user