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Re: drawing a rectangle on a 2D map
On 13 Oct 2004, Vincent Le Fouest wrote:
> I did a 2D map using etopo2.cdf. Now, I would like to overlay on this
> georeferenced map a rectangle delimited by four couples of coordinates
> to delimit a particular area. Is there a way to do it?
Hi Vincent,
The following overlays a red rectangle with a black border between
x=150:180 and y=-20:20.
poly/ov/nolab/pal=red/line=1 {150,180,180,150,150}, {-20,-20,20,20,-20}
The two {braces} are sequences of x- and y-coordinates. Drop the "line=1"
for no border, or drop the "pal=red" for a transparent rectangle.
Cheers,
Andrew
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