[MapServer-users] Can I call mapserver with GetLegendGraphic request using curl?

Steve Lime sdlime at gmail.com
Fri Dec 15 12:45:02 PST 2023


I do this all the time to create static versions of assets. Typically I
just use a bash script and wget but I can't think of a reason offhand why
curl wouldn't work just fine. What does a curl call look like?

--Steve

On Thu, Dec 14, 2023 at 3:32 PM Schweitzer, Peter N via MapServer-users <
mapserver-users at lists.osgeo.org> wrote:

> I have map interfaces that use a dozen or so legend graphics, but it
> requires separate calls to mapserver for every user.  I would prefer to
> cache these images (PNG) rather than make mapserver recalculate the same
> legend graphic many times for each user session.  But when I do a curl, I
> keep getting the "requires a TEMPLATE" message.  The images work within my
> JS (OpenLayers 5.3), but not through a stand-alone web request.
>
> Example:  https://mrdata.usgs.gov/general/map-global.html  27 calls to
> mapserv to get legend images that don't change.
>
> Is there a way I can get these images and cache them on the server so that
> mapserver doesn't have to chew up processor cycles and time for them every
> time?
>
> Thanks for any help you may be able to offer.
>
> Peter
>
> Peter N. Schweitzer (U.S. Geological Survey, Reston, VA 20192)
> (703) 648-6533  email: pschweitzer at usgs.gov
> https://www.usgs.gov/staff-profiles/peter-n-schweitzer
> https://orcid.org/0000-0002-9532-6681
> _______________________________________________
> MapServer-users mailing list
> MapServer-users at lists.osgeo.org
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>
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