source: Sophya/trunk/SophyaPI/PIGcont/gp_contour.h@ 1849

Last change on this file since 1849 was 1844, checked in by ansari, 24 years ago

changement de nom des fichiers (ajout de gp_ ou gpc_ ) pour eviter les confusions - Reza 30/12/2001
File size: 3.1 KB
Line 
1/* GNUPLOT - contour.h */
2
3/*[
4 * Copyright 1999 Thomas Williams, Colin Kelley
5 *
6 * Permission to use, copy, and distribute this software and its
7 * documentation for any purpose with or without fee is hereby granted,
8 * provided that the above copyright notice appear in all copies and
9 * that both that copyright notice and this permission notice appear
10 * in supporting documentation.
11 *
12 * Permission to modify the software is granted, but not the right to
13 * distribute the complete modified source code. Modifications are to
14 * be distributed as patches to the released version. Permission to
15 * distribute binaries produced by compiling modified sources is granted,
16 * provided you
17 * 1. distribute the corresponding source modifications from the
18 * released version in the form of a patch file along with the binaries,
19 * 2. add special version identification to distinguish your version
20 * in addition to the base release version number,
21 * 3. provide your name and address as the primary contact for the
22 * support of your modified version, and
23 * 4. retain our contact information in regard to use of the base
24 * software.
25 * Permission to distribute the released version of the source code along
26 * with corresponding source modifications in the form of a patch file is
27 * granted with same provisions 2 through 4 for binary distributions.
28 *
29 * This software is provided "as is" without express or implied warranty
30 * to the extent permitted by applicable law.
31]*/
32
33#ifndef GNUPLOT_CONTOUR_H
34#define GNUPLOT_CONTOUR_H
35
36/* #if... / #include / #define collection: */
37
38/***
39#include "syscfg.h"
40***/
41#include "gp_types.h"
42
43#include "gp_dynarray.h"
44#include "gp_graph3d.h"
45#include "gpc_misc.h"
46#include <math.h>
47
48#define DEFAULT_CONTOUR_LEVELS 5
49#define DEFAULT_NUM_APPROX_PTS 5
50#define DEFAULT_CONTOUR_ORDER 4
51#define MAX_BSPLINE_ORDER 10
52
53/* Type definitions */
54
55typedef enum en_contour_kind {
56 /* Method of drawing the contour lines found */
57 CONTOUR_KIND_LINEAR,
58 CONTOUR_KIND_CUBIC_SPL,
59 CONTOUR_KIND_BSPLINE
60} t_contour_kind;
61
62typedef enum en_contour_levels_kind {
63 /* How contour levels are set */
64 LEVELS_AUTO, /* automatically selected */
65
66 LEVELS_INCREMENTAL, /* user specified start & incremnet */
67 LEVELS_DISCRETE, /* user specified discrete levels */
68 LEVELS_NUM /* User sets contour number - AJOUT OP */
69
70} t_contour_levels_kind;
71
72
73/* Used to allocate the tri-diag matrix. */
74typedef double tri_diag[3];
75
76/* Variables of contour.c needed by other modules: */
77
78extern char contour_format[];
79extern t_contour_kind contour_kind;
80extern t_contour_levels_kind contour_levels_kind;
81extern int contour_levels;
82extern int contour_order;
83extern int contour_pts;
84
85/* storage for z levels to draw contours at */
86extern dynarray dyn_contour_levels_list;
87/*#define contour_levels_list ((double *)dyn_contour_levels_list.v) */
88extern double * contour_levels_list;
89
90/* Prototypes of functions exported by contour.c */
91
92struct gnuplot_contours *contour(int num_isolines, struct iso_curve *iso_lines);
93int solve_tri_diag(tri_diag m[], double r[], double x[], int n);
94int Get_Num_Of_Z_Levels();
95
96#endif /* GNUPLOT_CONTOUR_H */
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