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/*
* domain.h -- ePiX mesh and domain classes
*
* This file is part of ePiX, a preprocessor for creating high-quality
* line figures in LaTeX
*
* Version 1.1.6
* Last Change: July 04, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX 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.
*
* ePiX 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_DOMAIN
#define EPIX_DOMAIN
#include <list>
#include "triples.h"
#include "functions.h"
namespace ePiX {
class mesh {
public:
mesh(int n1, int n2, int n3=1);
mesh(int n); // mesh(n, n, n);
mesh(); // mesh(1, 1, 1);
int n1() const { return n_1; }
int n2() const { return n_2; }
int n3() const { return n_3; }
private:
int n_1;
int n_2;
int n_3;
}; // end of class mesh
// A domain is a gridded coordinate box with specified corners
// and coarse/fine meshes, used for plotting. The "coarse" step
// sizes are step1, etc., and the "fine" step sizes are dx1, etc.
// Steps may be negative.
//
// A domain may be "sliced" by setting one of its coordinates to
// a specified constant.
//
// Data members are public for convenience; each member ensures
// its own well-constructedness.
//
class domain {
public:
domain(const P& arg1, const P& arg2, const mesh& c, const mesh& f);
domain(const P& arg1, const P& arg2, const mesh& c);
// 1-dim'l domain
domain(double t_min, double t_max, int num_pts);
int dim() const; // dimension
// big and small steps
double step1() const;
double step2() const;
double step3() const;
double dx1() const;
double dx2() const;
double dx3() const;
// resizing attempts to preserve real resolution
domain resize1(double a1, double b1) const;
domain resize2(double a2, double b2) const;
domain resize3(double a3, double b3) const;
// coordinate slices
domain slice1(double a1) const;
domain slice2(double a2) const;
domain slice3(double a3) const;
// "n=0": use number from coarse mesh
std::list<domain> slices1(const unsigned int n=0) const;
std::list<domain> slices2(const unsigned int n=0) const;
std::list<domain> slices3(const unsigned int n=0) const;
// state functions for internal use
P corner1() const;
P corner2() const;
double corner1_x1() const;
double corner1_x2() const;
double corner1_x3() const;
double corner2_x1() const;
double corner2_x2() const;
double corner2_x3() const;
int coarse_n1() const;
int coarse_n2() const;
int coarse_n3() const;
int fine_n1() const;
int fine_n2() const;
int fine_n3() const;
private:
P m_corner1;
P m_corner2;
mesh m_coarse;
mesh m_fine;
}; // end of class domain
class domain_list {
public:
domain_list(std::list<domain>); // implicitly converts "slices" output
domain_list& add(const domain&);
domain_list& add(const domain_list&);
std::list<domain> m_list; // public: we're a simple wrapper
}; // end of class domain_list
} // end of namespace
#endif /* EPIX_DOMAIN */
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