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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/constants.h |
Initial commit
Diffstat (limited to 'graphics/epix/constants.h')
-rw-r--r-- | graphics/epix/constants.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/graphics/epix/constants.h b/graphics/epix/constants.h new file mode 100644 index 0000000000..c888c1d4da --- /dev/null +++ b/graphics/epix/constants.h @@ -0,0 +1,108 @@ +/* + * constants.h -- ePiX's hidden compile-time constants + * + * This file is part of ePiX, a C++ library for creating high-quality + * figures in LaTeX + * + * Version 1.1.15 + * Last Change: September 08, 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_CONSTANTS +#define EPIX_CONSTANTS + +#include "length.h" + +namespace ePiX { + + // See lengths.cc for units conversion factors + + //// Style Parameters -- min, default, max //// + // standard pen widths + const length PLAIN_WIDTH("0.4pt"); + const length BOLD_WIDTH("0.8pt"); + const length BBOLD_WIDTH("1.2pt"); + + + // dot diam in pt + const double MIN_DOT(1); + const double AVG_DOT(4); + const double MAX_DOT(36); + + // page length of dash pattern in pt + const double MIN_SEP(4); + const double AVG_SEP(12); + const double MAX_SEP(36); + + // axis tick half-lengths + const double MIN_TICK(1); + const double AVG_TICK(3); + const double MAX_TICK(8); + + // arrow head parameters + const double MIN_AWIDTH(1); + const double AVG_AWIDTH(3); + const double MAX_AWIDTH(12); + + const double MIN_ARATIO(1); + const double AVG_ARATIO(5.5); + const double MAX_ARATIO(8); + + const double MIN_INSET(-1); + const double AVG_INSET(0); + const double MAX_INSET(0.95); // not 1, so head can be hatched + + + // too small/large + const double EPIX_EPSILON(0.0001); // 10^-4 (prints as decimal) + const double EPIX_INFTY(100000.0); // 10^5 + + // Numerical constants + const double PI_180(0.01745329251994329577); + const double TWO_PI(6.28318530717958647692); + + // smallest distance from camera to clipping plane + const double MIN_CLIP(0.01); + + // No more than this many minor ticks per segment in log axis + const unsigned int MAX_LOG_BASE(100); + + // For output + const unsigned int DEF_PRECISION(6); + const unsigned int MAX_PRECISION(20); + + // In calculus plotting, the interval between adjacent points is too large + // for accuracy. Divide each such interval into this many subintervals + const unsigned int EPIX_ITERATIONS(200); + + // Output-formatting constants: + const unsigned int EPIX_NUM_PTS(120); // # of points in ellipses, splines + const unsigned int EPIX_FILE_WIDTH(70); // Width of output file + +} // end of namespace + +#endif /* EPIX_CONSTANTS */ |