Function:ss2scs

void ss2scs(float spd);

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "s2plot.h"

void cb(double *t, int *kc)
{
   static int lkc = 0;                  /* Count of key presses */
   static float spd = 1.0;              /* Set the camera increment */

   if (lkc != *kc) {                    /* Query whether <space> was pressed */
      spd += 2.0;                       /* Update the camera increment */
   }
   ss2scs(spd);                         /* Set the new camera increment */

   char string[32];                     /* Write current increment to screen */
   sprintf(string,"%.2f",spd);
   s2textxy(0,0,0,string);              /* Display text */

   lkc = *kc;                           /* Update key press count */
}


int main(int argc, char *argv[])
{

   srand48((long)time(NULL));                   /* Seed random numbers */
   s2opend("/s2mono",argc, argv);               /* Open the display: mono */
   s2swin(-1.,1., -1.,1., -1.,1.);              /* Set the window coordinates */
   s2box("BCDE",0,0,"BCDE",0,0,"BCDE",0,0);     /* Draw coordinate box */

   s2lab("","","","Press <space> to change camera movement increment, then +/- to test zooming\n");

   cs2scb(cb);                                  /* Install dynamic callback */
   s2show(1);                                   /* Open the s2plot window */

   return 1;
}