volume.h
//
// volume.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_volume_h
#define _math_isosurf_volume_h
#ifdef __GNUC__
#pragma interface
#endif
#include <math/optimize/function.h>
#include <math/scmat/matrix.h>
#include <math/scmat/vector3.h>
namespace sc {
class Volume: public Function {
private:
double _interp_acc;
protected:
double& interpolation_accuracy();
virtual void compute() = 0;
virtual void failure(const char*);
public:
Volume();
Volume(const Ref<KeyVal>&);
~Volume();
void set_gradient(const SCVector3& g);
void set_gradient(RefSCVector& g);
void get_gradient(SCVector3& g);
void set_x(const SCVector3& x);
void set_x(const RefSCVector& x);
void get_x(SCVector3& x);
// find the corners of a bounding box which approximately
// contains all points with a value between valuemin and valuemax
// the result must satisfy p1[i] < p2[i]
virtual void boundingbox(double valuemin,
double valuemax,
SCVector3& p1, SCVector3& p2) = 0;
virtual void interpolate(const SCVector3& p1,
const SCVector3& p2,
double value,
SCVector3& result);
virtual void solve(const SCVector3& p,
const SCVector3& grad,
double value,
SCVector3& result);
};
}
#ifdef INLINE_FUNCTIONS
#include <math/isosurf/volume_i.h>
#endif
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End: