Function:s2swin
From S2PLOT
Revision as of 07:18, 27 October 2007; view current revision
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s2swin
Set up the world coordinate range for the device.
Prototype
void s2swin(float x1, float x2, float y1, float y2, float z1, float z2);
Description
Set up the world coordinate range for the device. This configures the mapping of the user's coordinates to the device coordinates. x1, x2 define the range of the X-axis; y1, y2 the Y-axis, and z1, z2 the Z-axis. We use a standard right-handed coordinate system with X negative to left, positive to right; Y negative out of the screen, positive into the screen; and Z negative down, positive up. A "fatal" error will occur if x1 > x2, or y1 > y2, or z1 > z2.
See Also
s2qwin | Query the world coordinate range. |
PGPLOT Equivalent
Code Example
#include <stdio.h>
#include <stdlib.h>
#include "s2plot.h"
int main(int argc, char *argv[])
{
s2opend("/?",argc, argv); /* Open the display */
s2swin(-5.,5., -3.,3., -1.,1.); /* Set the window coordinates */
s2box("BCDETMNO",0,0,"BCDETMNO",0,0,"BCDETMNO",0,0);
/* Draw coordinate box */
s2show(1); /* Open the s2plot window */
return 1;
}
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