isosurf.h
//
// isosurf.h
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// The SC Toolkit 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//
#ifndef _math_isosurf_isosurf_h
#define _math_isosurf_isosurf_h
#ifdef __GNUC__
#pragma interface
#endif
#include <vector>
#include <math/isosurf/surf.h>
namespace sc {
class IsosurfaceGen {
protected:
double _resolution;
public:
IsosurfaceGen();
virtual ~IsosurfaceGen();
virtual void isosurface(double value,
TriangulatedSurface& surf) = 0;
virtual void set_resolution(double);
};
class ImplicitSurfacePolygonizer: public IsosurfaceGen {
// These static data and members are used to interface to the
// implicit.c routine provided in Graphics Gems IV.
static ImplicitSurfacePolygonizer* current;
// The following should not really be used publically.
// they are public to permit access through internal
// C-language functions.
public:
static int add_triangle_to_current(int,int,int,VERTICES);
static double value_of_current(double x, double y, double z);
protected:
Ref<Volume> _volume;
std::vector<Ref<Vertex> > _tmp_vertices;
TriangulatedSurface* _surf;
double _value;
public:
ImplicitSurfacePolygonizer(const Ref<Volume>&);
virtual ~ImplicitSurfacePolygonizer();
virtual void isosurface(double value,
TriangulatedSurface& surf);
};
}
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End: