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vcglib/vcg/complex/trimesh/base.h

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.13 2005/01/28 17:56:57 pietroni
changed HasVFTopology function... control if both vertex and face define the vf topology
Revision 1.12 2004/10/28 00:54:34 cignoni
Better Doxygen documentation
Revision 1.11 2004/10/07 14:25:38 ganovelli
added camera and shot
Revision 1.10 2004/09/08 15:15:05 ganovelli
changes for gcc
Revision 1.9 2004/07/15 12:03:50 ganovelli
access to imark added
Revision 1.8 2004/07/15 11:39:24 ganovelli
IsDeleted to IsD
Revision 1.7 2004/07/09 10:18:19 ganovelli
added access functions to vn and fn
Revision 1.6 2004/05/04 02:29:54 ganovelli
removed Const from ConstFacePointer and ConstVertexPointer in the arguement function Mark, which are meant to be changed
Revision 1.5 2004/03/18 16:00:10 cignoni
minor changes
Revision 1.4 2004/03/10 00:57:44 cignoni
minor changes
Revision 1.3 2004/03/07 21:54:56 cignoni
some more reflection functions
Revision 1.2 2004/03/04 00:08:15 cignoni
First working version!
Revision 1.1 2004/02/19 13:11:06 cignoni
Initial commit
****************************************************************************/
#ifndef __GNUC
#pragma warning( disable : 4804 )
#endif
#include <vcg/space/box3.h>
#include <vcg/math/shot.h>
/*
People should subclass his vertex class from these one...
*/
#ifndef __VCG_MESH
#define __VCG_MESH
namespace vcg {
namespace tri {
/** \addtogroup trimesh */
/*@{*/
/*@{*/
/** Class Mesh.
This is class for definition of a mesh.
@param VertContainerType (Template Parameter) Specifies the type of the vertices container any the vertex type.
@param FaceContainerType (Template Parameter) Specifies the type of the faces container any the face type.
*/
template < class VertContainerType, class FaceContainerType >
class TriMesh{
public:
typedef TriMesh<VertContainerType, FaceContainerType> MeshType;
typedef FaceContainerType FaceContainer;
typedef VertContainerType VertContainer;
typedef typename VertContainer::value_type VertexType;
typedef typename FaceContainer::value_type FaceType;
typedef typename VertexType::ScalarType ScalarType;
typedef typename VertexType::CoordType CoordType;
typedef typename VertContainer::iterator VertexIterator;
typedef typename FaceContainer::iterator FaceIterator;
typedef typename VertContainer::const_iterator ConstVertexIterator;
typedef typename FaceContainer::const_iterator ConstFaceIterator;
typedef VertexType * VertexPointer;
typedef const VertexType * ConstVertexPointer;
typedef FaceType * FacePointer;
typedef const FaceType * ConstFacePointer;
typedef Box3<ScalarType> BoxType;
/// Set of vertices
VertContainer vert;
/// Real number of vertices
int vn;
/// Set of faces
FaceContainer face;
/// Real number of faces
int fn;
/// Bounding box of the mesh
Box3<ScalarType> bbox;
/// Nomi di textures
//vector<string> textures;
//vector<string> normalmaps;
/// La camera
Camera<ScalarType> camera; // intrinsic
Shot<ScalarType> shot; // extrinsic
/// Il colore della mesh
private:
Color4b c;
public:
inline const Color4b & C() const
{
return c;
}
inline Color4b & C()
{
return c;
}
/// Default constructor
TriMesh():shot(camera)
{
fn = vn = 0;
imark = 0;
}
inline int MemUsed() const
{
return sizeof(MeshType)+sizeof(VertexType)*vert.size()+sizeof(FaceType)*face.size();
}
inline int MemNeeded() const
{
return sizeof(MeshType)+sizeof(VertexType)*vn+sizeof(FaceType)*fn;
}
/// Function to destroy the mesh
void Clear()
{
vert.clear();
face.clear();
// textures.clear();
// normalmaps.clear();
vn = 0;
fn = 0;
}
/// Reflection functions that speak about vertex and face properties.
static bool HasPerVertexNormal() { return VertexType::HasNormal() ; }
static bool HasPerVertexColor() { return VertexType::HasColor() ; }
static bool HasPerVertexMark() { return VertexType::HasMark() ; }
static bool HasPerVertexQuality() { return VertexType::HasQuality(); }
static bool HasPerVertexTexture() { return VertexType::HasTexture(); }
static bool HasPerFaceColor() { return FaceType::HasFaceColor() ; }
static bool HasPerFaceNormal() { return FaceType::HasFaceNormal() ; }
static bool HasPerFaceMark() { return FaceType::HasFaceMark() ; }
static bool HasPerFaceQuality() { return FaceType::HasFaceQuality(); }
static bool HasPerWedgeColor() { return FaceType::HasWedgeColor() ; }
static bool HasPerWedgeNormal() { return FaceType::HasWedgeNormal() ; }
static bool HasPerWedgeMark() { return FaceType::HasWedgeMark() ; }
static bool HasPerWedgeQuality() { return FaceType::HasWedgeQuality(); }
static bool HasPerWedgeTexture() { return FaceType::HasWedgeTexture(); }
static bool HasFFTopology() { return FaceType::HasFFAdjacency(); }
static bool HasVFTopology() { return ((FaceType::HasVFAdjacency())&&(VertexType::HasVFAdjacency())); }
static bool HasTopology() { return HasFFTopology() || HasVFTopology(); }
int & SimplexNumber(){ return fn;}
int & VertexNumber(){ return vn;}
/// Initialize the imark-system of the faces
void InitFaceIMark()
{
FaceIterator f;
for(f=face.begin();f!=face.end();++f)
if( !(*f).IsD() && (*f).IsR() && (*f).IsW() )
(*f).InitIMark();
}
/// Initialize the imark-system of the vertices
void InitVertexIMark()
{
VertexIterator vi;
for(vi=vert.begin();vi!=vert.end();++vi)
if( !(*vi).IsD() && (*vi).IsRW() )
(*vi).InitIMark();
}
/// The incremental mark
int imark;
/** Access function to the incremental mark.
*/
inline int & IMark(){return imark;}
/** Check if the vertex incremental mark matches the one of the mesh.
@param v Vertex pointer
*/
inline bool IsMarked( ConstVertexPointer v ) const { return v->IMark() == imark; }
/** Check if the face incremental mark matches the one of the mesh.
@param v Face pointer
*/
inline bool IsMarked( ConstFacePointer f ) const { return f->IMark() == imark; }
/** Set the vertex incremental mark of the vertex to the one of the mesh.
@param v Vertex pointer
*/
inline void Mark( VertexPointer v ) const { v->IMark() = imark; }
/** Set the face incremental mark of the vertex to the one of the mesh.
@param v Vertex pointer
*/
inline void Mark( FacePointer f ) const { f->IMark() = imark; }
/// Unmark the mesh
inline void UnMarkAll() { ++imark; }
/// Calcolo del volume di una mesh chiusa
ScalarType Volume()
{
FaceIterator fi;
int j,k;
ScalarType V = 0;
CoordType T,N,B;
for(fi = face.begin(); fi!=face.end(); ++fi)
{
for(j = 0; j < 3; ++j)
{
/*calcolo tangente, normale e binormale (6 volte)*/
k = (j+1)%3;
T = (*fi).P(k) - (*fi).P(j);
T.Normalize();
T = ( (*fi).P( k ) - (*fi).P(j) ) ^
( (*fi).P((k+1)%3) - (*fi).P(j) ) ;
B.Normalize();
N = T ^ B;
CoordType pj = (*fi).P(j);
CoordType pk = (*fi).P(k);
V += (pj* T )*(pj*N)*(pj*B);
V += (pk*(-T))*(pk*N)*(pk*B);
}
}
return V/6.0;
}
}; // end class Mesh
/*@}*/
/*@}*/
} // end namespace
} // end namespace
#endif
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