/*
* $Id: graph3d.h,v 1.13 2002/03/18 18:19:10 broeker Exp $
*/
/* GNUPLOT - graph3d.h */
/*[
* Copyright 1999 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
#ifndef GNUPLOT_GRAPH3D_H
# define GNUPLOT_GRAPH3D_H
/* #if... / #include / #define collection: */
#include "syscfg.h"
#include "gp_types.h"
#include "gadgets.h"
#include "term_api.h"
/* Function macros to map from user 3D space into normalized -1..1 */
#define map_x3d(x) ((x-X_AXIS.min)*xscale3d-1.0)
#define map_y3d(y) ((y-Y_AXIS.min)*yscale3d-1.0)
#define map_z3d(z) ((z-floor_z)*zscale3d-1.0)
/* Type definitions */
typedef enum en_contour_placement {
/* Where to place contour maps if at all. */
CONTOUR_NONE,
CONTOUR_BASE,
CONTOUR_SRF,
CONTOUR_BOTH
} t_contour_placement;
typedef double transform_matrix[4][4]; /* HBB 990826: added */
typedef struct gnuplot_contours {
struct gnuplot_contours *next;
struct coordinate GPHUGE *coords;
char isNewLevel;
char label[32];
int num_pts;
#ifdef PM3D
double z;
#endif
} gnuplot_contours;
typedef struct iso_curve {
struct iso_curve *next;
int p_max; /* how many points are allocated */
int p_count; /* count of points in points */
struct coordinate GPHUGE *points;
} iso_curve;
typedef struct surface_points {
struct surface_points *next_sp; /* linked list */
int token; /* last token nr, for second pass */
enum PLOT_TYPE plot_type;
enum PLOT_STYLE plot_style;
char *title;
int title_no_enhanced; /* don't typeset title in enhanced mode */
struct lp_style_type lp_properties;
int has_grid_topology;
/* Data files only - num of isolines read from file. For
* functions, num_iso_read is the number of 'primary' isolines (in
* x direction) */
int num_iso_read;
struct gnuplot_contours *contours; /* NULL if not doing contours. */
struct iso_curve *iso_crvs; /* the actual data */
#ifdef PM3D
TBOOLEAN pm3d_color_from_column;
char pm3d_where[7]; /* explicitly given base, top, surface */
#endif
} surface_points;
/* Variables of graph3d.c needed by other modules: */
extern int xmiddle, ymiddle, xscaler, yscaler;
extern double floor_z;
extern double ceiling_z, base_z; /* made exportable for PM3D */
extern transform_matrix trans_mat;
extern double xscale3d, yscale3d, zscale3d;
extern t_contour_placement draw_contour;
extern TBOOLEAN label_contours;
extern TBOOLEAN draw_surface;
/* is hidden3d display wanted? */
extern TBOOLEAN hidden3d;
extern float surface_rot_z;
extern float surface_rot_x;
extern float surface_scale;
extern float surface_zscale;
extern float ticslevel;
#define ISO_SAMPLES 10 /* default number of isolines per splot */
extern int iso_samples_1;
extern int iso_samples_2;
#ifdef USE_MOUSE
extern int axis3d_o_x, axis3d_o_y, axis3d_x_dx, axis3d_x_dy, axis3d_y_dx, axis3d_y_dy;
#endif
/* Prototypes from file "graph3d.c" */
void do_3dplot __PROTO((struct surface_points *plots, int pcount, int quick));
void map3d_position __PROTO((struct position * pos, unsigned int *x,
unsigned int *y, const char *what));
#endif /* GNUPLOT_GRAPH3D_H */