Function:s2qwin
From S2PLOT
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s2qwin
Query the world coordinate range.
Prototype
void s2qwin(float *x1, float *x2, float *y1, float *y2, float *z1, float *z2);
Description
Query the world coordinate range.
See Also
| s2swin | Set up the world coordinate range for the device. |
PGPLOT Equivalent
Code Example
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>
#include "s2plot.h"
int main(int argc, char *argv[])
{
float dx1, dx2, dy1, dy2, dz1, dz2; /* Viewport ranges */
float cx1, cx2, cy1, cy2, cz1, cz2; /* Coordiante ranges */
srand48((long)time(NULL)); /* Seed random numbers */
cx1 = -ceil(drand48()*5.0)-2.05; cx2 = -cx1; /* Random coordinates */
cy1 = -ceil(drand48()*5.0)-2.05; cy2 = -cy1;
cz1 = -ceil(drand48()*5.0)-2.05; cz2 = -cz1;
s2opend("/?",argc, argv); /* Open the display */
s2svp(-1.,1., -1.,1., -1.,1.); /* First view port */
s2swin(cx1,cx2, cy1,cy2, cz1,cz2); /* Set the window coordinates */
s2box("BCDETMNO",2.0,0,"BCDETMNO",2.0,0,"BCDETMNO",2.0,0);
/* Draw coordinate box */
s2qvp(&dx1,&dx2, &dy1,&dy2, &dz1,&dz2); /* Query viewport coordinates */
dx1 /= 2.0; dx2 /= 2.0; /* Halve the coordintes */
dy1 /= 2.0; dy2 /= 2.0;
dz1 /= 2.0; dz2 /= 2.0;
s2qwin(&cx1,&cx2, &cy1,&cy2, &cz1,&cz2); /* Query window coordinates */
cx1 /= 2.0; cx2 /= 2.0; /* Halve the coordintes */
cy1 /= 2.0; cy2 /= 2.0;
cz1 /= 2.0; cz2 /= 2.0;
s2sci(S2_PG_RED);
s2svp(dx1,dx2, dy1,dy2, dz1,dz2); /* Create a half-size viewport */
s2swin(cx1,cx2, cy1,cy2, cz1,cz2); /* Set the window coordinates */
s2box("BCDETMNO",2.0,0,"BCDETMNO",2.0,0,"BCDETMNO",2.0,0);
/* Draw coordinate box */
s2show(1); /* Open the s2plot window */
return 1;
}
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