typedef struct {
   double x, y, z;
} XYZ;

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


int main(int argc, char *argv[])
{
   XYZ xyz;				/* Declare an XYZ variable */
   COLOUR col;					/* Declare a COLOUR variable */
   s2opend("/?",argc, argv);			/* Open the display */
   s2swin(-1.,1., -1.,1., -1.,1.);		/* Set the window coordinates */
   s2box("BCDET",0,0,"BCDET",0,0,"BCDET",0,0);	/* Draw coordinate box */

   xyz.x =  0.0;				/* Set some values */
   xyz.y =  0.5;
   xyz.z = -0.3;

   col.r = 0.3;					/* Set colour value */
   col.g = 1.0;
   col.b = 0.7;

   ns2vpoint(xyz, col);				/* Draw the point */

   s2show(1);					/* Open the s2plot window */
   
   return 1;
}