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/* GNUPLOT - graph3d.h */

/*[

* 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"

/* 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 *coords;

char isNewLevel;

char label[32];

int num_pts;

double z;

} gnuplot_contours;

typedef enum cfill_mode {

CFILL_AUTO,

CFILL_ZTICS,

CFILL_CBTICS,

CFILL_LIST

} t_cfill_mode;

typedef struct contourfill {

t_cfill_mode mode;

int nslices;

int tic_level;

int firstlinetype;

} t_contourfill;

#define MAX_ZSLICES 100

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 *points;

} iso_curve;

typedef struct surface_points {

struct surface_points *next_sp; /* pointer to next plot in linked list */

int token; /* last token used, for second parsing pass */

enum PLOT_TYPE plot_type; /* DATA2D? DATA3D? FUNC2D FUNC3D? NODATA? */

enum PLOT_STYLE plot_style; /* style set by "with" or by default */

char *title; /* plot title, a.k.a. key entry */

t_position *title_position; /* title at {beginning|end|<xpos>,<ypos>} */

TBOOLEAN title_no_enhanced; /* don't typeset title in enhanced mode */

TBOOLEAN title_is_automated;/* TRUE if title was auto-generated */

TBOOLEAN title_is_suppressed;/* TRUE if 'notitle' was specified */

TBOOLEAN noautoscale; /* ignore data from this plot during autoscaling */

struct lp_style_type lp_properties;

struct arrow_style_type arrow_properties;

struct fill_style_type fill_properties;

struct text_label *labels; /* Only used if plot_style == LABELPOINTS */

struct t_image image_properties; /* only used if plot_style is IMAGE, RGBIMAGE or RGBA_IMAGE */

struct udvt_entry *sample_var; /* used by '+' if plot has private sampling range */

struct udvt_entry *sample_var2; /* used by '++' if plot has private sampling range */

struct udft_entry plot_function; /* action table and dummy variables for function plot */

/* 2D and 3D plot structure fields overlay only to this point */

enum PLOT_FILTER plot_filter; /* currently only "mask" */

enum PLOT_SMOOTH plot_smooth; /* smooth lines in 3D */

TBOOLEAN opt_out_of_hidden3d; /* set by "nohidden" option to splot command */

TBOOLEAN opt_out_of_contours; /* set by "nocontours" option to splot command */

TBOOLEAN opt_out_of_surface; /* set by "nosurface" option to splot command */

TBOOLEAN opt_out_of_dgrid3d; /* set by "nogrid" option to splot command */

TBOOLEAN pm3d_color_from_column;

TBOOLEAN has_grid_topology;

int hidden3d_top_linetype; /* before any calls to load_linetype() */

void *iteration; /* needed for tracking iteration */

struct vgrid *vgrid; /* used only for voxel plots */

double iso_level; /* used only for voxel plots */

/* 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 */

char pm3d_where[8]; /* explicitly given base, top, surface */

struct zslice *zclip; /* pm3d surface z-clipping array (contour fill) */

int zclip_index; /* index into zclip[] */

} surface_points;

/* Variables of graph3d.c needed by other modules: */

extern int xmiddle, ymiddle, xscaler, yscaler;

extern double floor_z, floor_z1;

extern double ceiling_z, base_z; /* made exportable for PM3D */

extern transform_matrix trans_mat;

extern double xscale3d, yscale3d, zscale3d;

extern double xcenter3d, ycenter3d, zcenter3d;

extern double radius_scaler;

/* "set cntrlabel" parameters */

extern t_contour_placement draw_contour;

extern TBOOLEAN clabel_onecolor;

extern int clabel_start;

extern int clabel_interval;

extern char *clabel_font;

/* "set contourfill" parameters */

extern t_contourfill contourfill;

extern TBOOLEAN draw_surface;

extern TBOOLEAN implicit_surface;

/* is hidden3d display wanted? */

extern TBOOLEAN hidden3d;

extern int hidden3d_layer; /* LAYER_FRONT or LAYER_BACK */

extern float surface_rot_z;

extern float surface_rot_x;

extern float surface_scale;

extern float surface_zscale;

extern float surface_lscale;

extern float mapview_scale;

extern float azimuth;

extern TBOOLEAN splot_map, xz_projection, yz_projection;

extern TBOOLEAN in_3d_polygon;

typedef struct {

double z;

TBOOLEAN absolute;

} t_xyplane;

extern t_xyplane xyplane;

#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

typedef enum {

NORMAL_REPLOT = 0, /* e.g. "replot" command */

AXIS_ONLY_ROTATE, /* suppress replots during 3D rotation by ctrl-left-mouse */

NORMAL_REFRESH, /* e.g. "refresh" command */

QUICK_REFRESH /* auto-generated refresh during 3D rotation */

} REPLOT_TYPE;

/* Prototypes from file "graph3d.c" */

void do_3dplot(struct surface_points *plots, int pcount, REPLOT_TYPE quick);

void map3d_position(struct position *pos, int *x, int *y, const char *what);

void map3d_position_double(struct position *pos, double *x, double *y, const char *what);

void map3d_position_r(struct position *pos, int *x, int *y, const char *what);

void map3d_position_r_double(struct position *pos, double *x, double *y, const char *what);

#endif /* GNUPLOT_GRAPH3D_H */

gnuplot/src/graph3d.h at master · gnuplot/gnuplot · GitHub

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