1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <gset.h>
include <gio.h>
# GVMARK -- Vector polymarker. Output at sequence of markers at the vertices
# of a polygon, all markers the same type and size. The polygon is given by
# the set of points (X[i],V[i]), where the X[i] are evenly distributed from X1
# to X2. The marker type GM_POINT is a special case.
procedure gvmark (gp, v, npts, x1, x2, marktype, xsize, ysize)
pointer gp # graphics descriptor
real v[ARB] # Y[i] polygon
int npts # number of points
real x1, x2 # range of X[i]
int marktype # marker type
real xsize, ysize # marker size
int i
real dx
begin
if (npts > 1)
if (marktype == GM_POINT) {
call gpl_settype (gp, POLYMARKER)
call gvline (gp, v, npts, x1, x2)
call gpl_settype (gp, POLYLINE)
} else {
dx = (x2 - x1) / (npts - 1)
do i = 1, npts
call gmark (gp, (i-1) * dx + x1, v[i], marktype,
xsize, ysize)
}
end
|
