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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <gset.h>
include "gks.h"
# GSVP -- Set viewport. This procedure sets the viewport for world coord
# sys "wcs", which may not be the current WCS.
procedure gsvp (wcs, x1, x2, y1, y2)
int wcs # Number of world coordinate system
real x1, x2 # Range of viewport coordinate in x (NDC)
real y1, y2 # Range of viewport coordinate in y (NDC)
int current_wcs, i
int gstati()
include "gks.com"
begin
current_wcs = gstati (gp[gk_std], G_WCS)
call gsawi (G_WCS, wcs)
do i = 1, NDEV {
if (gk_status[i] == ACTIVE)
call gsview (gp[i], x1, x2, y1, y2)
}
# Now return to the current WCS
call gsawi (G_WCS, current_wcs)
end
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