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─────Run-Time Library───────────────────────────────────────────────────────
 
/* ANALYZE.C illustrates presentation graphics analyze functions.
 * The example uses function:                                     (DOS-only)
 *      _pg_analyzechartms
 *
 * The same principles apply for:
 *      _pg_analyzepie        _pg_analyzechart
 *      _pg_analyzescatter    _pg_analyzescatterms
 */
 
#include <conio.h>
#include <string.h>
#include <stdlib.h>
#include <graph.h>
#include <pgchart.h>
 
#define FALSE  0
#define TRUE   1
 
/* Note that data are declared as a single-dimension array. The multiseries
 * chart functions expect only one dimension. See the _pg_chartms example
 * for an alternate method using multidimension array.
 */
#define TEAMS  4
#define MONTHS 3
float __far values[TEAMS * MONTHS] = { .435F,   .522F,   .671F,
                                       .533F,   .431F,   .590F,
                                       .723F,   .624F,   .488F,
                                       .329F,   .226F,   .401F };
char __far *months[MONTHS] =         { "May",   "June",  "July" };
char __far *teams[TEAMS] = { "Reds", "Sox", "Cubs", "Mets" };
 
void main()
{
    _chartenv env;
 
    if( !_setvideomode( _MAXRESMODE ) )
        exit( 1 );
 
    _pg_initchart();                    /* Initialize chart system     */
 
    /* Default multiseries bar chart */
    _pg_defaultchart( &env, _PG_BARCHART, _PG_PLAINBARS );
    strcpy( env.maintitle.title, "Little League Records - Default" );
    _pg_chartms( &env, months, values, TEAMS, MONTHS, MONTHS, teams );
    _getch();
    _clearscreen( _GCLEARSCREEN );
 
    /* Analyze multiseries bar chart with autoscale. This sets all
     * default scale values. We want some x values to be automatic,
     * including scalemin and scalefactor.
     */
    _pg_defaultchart( &env, _PG_BARCHART, _PG_PLAINBARS );
    strcpy( env.maintitle.title, "Little League Records - Customized" );
    env.xaxis.autoscale = TRUE;
 
    _pg_analyzechartms( &env, months, values,
                        TEAMS, MONTHS, MONTHS, teams );
 
    /* Now customize some of the x axis values. Then draw the chart. */
    env.xaxis.autoscale = FALSE;
    env.xaxis.scalemax = 1.0F;          /* Make scale show 0.0 to 1.0   */
    env.xaxis.ticinterval = 0.2F;       /* Don't make scale too crowded */
    env.xaxis.ticdecimals = 3;          /* Show three decimals          */
    strcpy( env.xaxis.scaletitle.title, "Win/Loss Percentage" );
    _pg_chartms( &env, months, values, TEAMS, MONTHS, MONTHS, teams );
    _getch();
 
    _setvideomode( _DEFAULTMODE );
}
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