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/***************************************************************
LanceMan's quickplot --- a fast interactive 2D plotter
Copyright (C) 1998, 1999 Lance Arsenault
This program 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; version 2
of the License.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Or look at http://www.gnu.org/copyleft/gpl.html .
**********************************************************************/
/* $Id: data.h,v 1.6 1999/02/28 01:58:50 lance Exp $ */
/**************************************************
*** this file is the guts of LANCEMAN's quickplot
*** if you understand this you understand
*** LANCEMAN's quickplot
**************************************************/
#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ( (void*)0 )
#endif /* #ifdef __cplusplus */
#endif /* #ifndef NULL */
#define X 0 /* don't change this */
#define Y 1 /* don't change this */
#define DATA_LABEL_SIZE 14 /* number of chars in label[] - 1 for '\0' */
#define DEFAULT_NUM_ZOOM 10 /* the starting value of num_zoom */
#define FRACTION_WINDOW_USE 0.95
#define MIN_NUM_POINTS 2UL /* the mininum number of points that are needed */
#define DEFAULT_LABEL_SEPERATOR 040 /* <space> = ' ' = 040 */
/** global flags for all plots in flag **/
/** the default has all of these flags unset **/
#define SAME_SCALE 01 /* opt -s plot all plots on the same scale */
#define PIPE_IN 02 /* opt -P pipe in data from standard in */
#define BINARY_DATA 04 /* opt -b read in data for binary data format */
#define VERBOSE 010 /* opt -v verbose print info to standard error */
#define LABELS 020 /* opt -l "label1 label2 ..." labels for fields */
#define READ_LABELS 040 /* opt -R read in labels from the files */
#define NO_PIXMAP0 0100 /* opt -X don't load a pixmap of the first view of plots */
#define COUNT_FIELD 0200 /* a count field was added to the data */
#define NO_PIPE_IN 0400 /* opt -N no pipe in, over rides opt -P */
#define NO_AXES 01000 /* opt -a */
/* I haven't activated alot of this stuff yet */
/** flags for each plot in plot_opt[num_plots] **/
/** And global flags for all plots in flag too **/
/** the default plot has all of these flags unset **/
#define NO_LINES 010000 /* plot with no lines **/
#define FAT_LINES 020000 /* with fat lines if LINES */
#define NO_POINTS 040000
#define PHASE_PLOT 0100000 /* phase plot instead of function plot */
#define BLACK_WHITE 0200000
struct Data
{ /* a linked list */
struct Data *prev; /* pointer to previous Data, NULL is the first one */
double val; /* the data value */
struct Data *next; /* pointer to next Date, NULL is the last one */
}; /* struct size 16 bytes on Linux GNU gcc version 2.7.2 */
typedef struct
{
int flag; /* global flag for configuring all plots */
int dim; /* number of data fields : example 4 */
char **infiles; /* the input files terminate with NULL */
int skip_lines; /* number of lines to skip when reading data */
unsigned long *num_points; /* number of points: example 100000
num_points[dim] */
double *max; /* max of data[].x: max[dim] */
double *min; /* min of data[].x: min[dim] */
struct Data **data; /* the array of pointers to data data[dim] */
char *labels; /* all the labels before label is built */
char label_seperator; /* char that seperates field labels in labels */
char **label; /* data field label: label[dim][DATA_LABEL_SIZE] */
int num_plots; /* the number of plots */
int *plot_opt; /* option flags to tell how plot
each plot: plot_opt[num_plots] */
unsigned long *point_color; /* color: point_color[num_plots] */
unsigned long *line_color; /* color: line_color[num_plots] */
int **list; /* plot list 2-D plots data
list[num_plots][2] 2= X or Y */
double **scale; /* plot scale data: scale[num_plots][2]*Data.val */
double **shift; /* then shift data: + shift[num_plots][2] 2= X or Y*/
/* for zoom clipping in function plotting */
struct Data ****start; /* clip all data before
start[num_zoom][num_plots][2] 2= X or Y */
struct Data ****end; /* clip all data after
end[num_zoom][num_plots][2] 2= X or Y */
int zoom_count; /* current zoom-in count start at 0 */
int num_zoom; /* you can zoom back num_zoom times */
/* after that it zooms all the way out */
/* the zoom scale and shift is applied
after the data scale and shift */
double **z_scale; /* zoom scale z_scale[num_zoom][2] 2= X or Y*/
double **z_shift; /* zoom shift z_shift[num_zoom][2] 2= X or Y*/
} Plot; /* struct size 80 bytes Linux2.0.27 GNU gcc2.7.2 on Intel PentPro */
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