Bob,
You might look at doing something like using mapcache to generate the
images needed for the animation as multiple separate layers. Then look
at using imagemagic in a perl script to combine the layers into a single
animated gif image and putting the combined image into another layer in
the cache. If you configure the new animated layer in mapcache and don't
ask mapcache to modify the image it will just serve the animated gifs, I
would think. If it doesn't a little bit of apache mod-perl can be done
to efficiently serve them. What other formats support animation? gif,
flash, others?
Anyway, my guess is that you will need to do some custom work to get it
going.
-Steve W
On 6/12/2012 5:24 PM, Lime, Steve D (DNR) wrote:
I’m not an AGG expert but that’s probably not the component in play here
anyway. Presumably whatever the source imagery it would/should be
considered a raster dataset. I guess I’d look into how GDAL deals with
animated input and then figure out if that can be configured through
MapServer. I guess it wouldn’t surprise me if GDAL considered individual
frames as bands. Maybe that’s the way to think about.
Steve
*From:*Basques, Bob (CI-StPaul)
*Sent:* Tuesday, June 12, 2012 4:18 PM
*To:* Lime, Steve D (DNR)
*Subject:* RE: Anaimated images as map sources
Hi Steve,
So,
What AGG functions are used in MapServer? I just went looking for what
AGG stood for. Found some animation examples, but they were final
constructs, not specifically clipping an existing animated image.
What I was going to attempt, was to to try and set up a animated image
from NOAA as a data source for Mapserver. They have the separate images
available as well, which I would need to assemble after clipping into a
image, Hmmm, maybe a layer per time index, ten hit that from the CGI
through MapServer, then into a animated image for use in the map. Still
sounds clunky though.
bobb
*From:*Basques, Bob (CI-StPaul)
*Sent:* Tuesday, June 12, 2012 4:05 PM
*To:* Lime, Steve D (DNR)
*Subject:* RE: Anaimated images as map sources
bobb
*From:*Lime, Steve D (DNR)
*Sent:* Tuesday, June 12, 2012 4:03 PM
*To:* Basques, Bob (CI-StPaul); [email protected]
<mailto:[email protected]>
*Subject:* RE: Anaimated images as map sources
Not that I’m aware of.
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]] *On Behalf Of *Basques,
Bob (CI-StPaul)
*Sent:* Tuesday, June 12, 2012 4:02 PM
*To:* [email protected] <mailto:[email protected]>
*Subject:* [mapserver-users] Anaimated images as map sources
All,
Can Mapserver slice and dice an Animated (GIF or PN or ??) map source
image and return a resulting animated image?
I found a refernce to it NOT owrking for a WMS to WMS call where the
upstream WMS service would produce a Animated GIF, but the downstream
Mapserver WMS client would only see (present) the first frame of the
animation.
Thanks
bobb
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