Oops! Correction: My map services typically look like: (forgot the cgi-bin path)<div><br></div><div><div><a href="http://servername/fcgi-bin/myservice?LAYERS=layer1,layer2,...&REQUEST=GetMap&SERVICE=WMS&..">http://servername/fcgi-bin/myservice?LAYERS=layer1,layer2,...&REQUEST=GetMap&SERVICE=WMS&..</a>..</div>
<div><br></div><div><div>- John</div><div><br></div><br>
<br><br><div class="gmail_quote">On Tue, Feb 7, 2012 at 4:41 PM, John Callahan <span dir="ltr"><<a href="mailto:john.callahan@udel.edu">john.callahan@udel.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>Thanks for the help but I think I'm misunderstanding mapcache at a more basic level.</div><div><br></div><div>What is the mapcachealias? In the apache httpd.conf file (using the latest MS4W), there is</div><div>
<br>
</div><div><div>MapCacheAlias /mapcache "C:/ms4w/apps/mapcache/mapcache.xml"</div></div><div><br></div><div>How does that relate to my own mapservices? What changes do I need to make to have them cached? My mapservices typically look like</div>
<div><br></div><div><a href="http://servername/myservice?LAYERS=layer1,layer2,...&REQUEST=GetMap&SERVICE=WMS&..">http://servername/myservice?LAYERS=layer1,layer2,...&REQUEST=GetMap&SERVICE=WMS&..</a>..</div>
<div><br></div><div><br></div><div>Something else that seems strange is when looking at the demo (<a href="http://servername/mapcache/dem/wms" target="_blank">http://servername/mapcache/dem/wms</a>), it makes available additional layers based on entries in the current mapcache.xml file. When I try to select my own service through the demo interface, I see that it makes a GetMap request with LAYERS = tileset name. Does the name I define for the tileset in mapcache.xml have to be specific to my map service? or any special requirements?</div>
<div><br></div><div>Thanks for your help.</div><div><br></div><font color="#888888"><div>- John</div></font><div><div></div><div class="h5"><div><br></div><div><br></div><br>
<br><br><div class="gmail_quote">On Wed, Feb 1, 2012 at 6:56 AM, thomas bonfort <span dir="ltr"><<a href="mailto:thomas.bonfort@gmail.com" target="_blank">thomas.bonfort@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>On Thu, Jan 26, 2012 at 19:30, John Callahan <<a href="mailto:john.callahan@udel.edu" target="_blank">john.callahan@udel.edu</a>> wrote:<br>
> I'm giving mapcache a try but with no luck. Well, some luck. The module<br>
> loads fine and the demo (vmap0, <a href="http://127.0.0.1/mapcache/demo/wms" target="_blank">http://127.0.0.1/mapcache/demo/wms</a>) also<br>
> works fine. I see the tiles being generated on disk. Great. However, the<br>
> problem comes in with my own data/services. A few questions may help me<br>
> determine the problem.<br>
><br>
> - in the source element, how do you define multiple layers? Comma separated<br>
> or separate <layers> entries?<br>
<br>
</div><layers>layer1,layer2</layers><br>
<div><br>
><br>
> - in the tileset element, can you have multiple grid entries? It doesn't<br>
> seem like it from reading the documentation but the sample tileset shows<br>
> both the "g" and "WGS84" grids.<br>
</div>which doc part does not show this?<br>
<a href="http://www.mapserver.org/trunk/mapcache/config.html#tileset" target="_blank">http://www.mapserver.org/trunk/mapcache/config.html#tileset</a><br>
<div><br>
><br>
> - for cache type attributes, what are the possible values? The docs show<br>
> several possibilities (disk, sqllite, memcache) but the sample shows<br>
> type="tiff" which is not listed on the doc page. Can other file extensions<br>
> be used here?<br>
</div><a href="http://www.mapserver.org/trunk/mapcache/caches.html" target="_blank">http://www.mapserver.org/trunk/mapcache/caches.html</a><br>
<div><br>
><br>
> - when I define a FORMAT with name and type, how does that get used? I see<br>
> that is called in the tileset but how does that relate to the image type<br>
> under getmap/params/format?<br>
<br>
</div>The format is used when recompressing individual tiles after having<br>
cut a larger metatile. It is also used when combining multiple tiles<br>
into a single image for a getmap request. If you want to force a<br>
specific format to be sent to the source wms server when creating a<br>
tile, you can add a <format>foobar</format> to your source definition<br>
(at the same level as the <layers> parameter). Both formats don't have<br>
to be equivalent, it is actually a good idea to request the images in<br>
png from the source wms server even when using a jpeg format for the<br>
the tileset, as this will avoid a double jpeg compression (once on the<br>
wms server, once on the mapcache server) when storing an individual<br>
tile to the caches.<br>
<br>
regards,<br>
thomas<br>
<div><br>
><br>
><br>
> The doc page I am referring to is<br>
> at <a href="http://www.mapserver.org/trunk/mapcache/config.html" target="_blank">http://www.mapserver.org/trunk/mapcache/config.html</a>. I'm sure I'll have<br>
> other questions as I work my way through. Thanks for this awesome addition<br>
> to Mapserver!<br>
><br>
> - John<br>
><br>
> ***********************************************<br>
> John Callahan, Research Scientist<br>
> Delaware Geological Survey, University of Delaware<br>
> URL: <a href="http://www.dgs.udel.edu" target="_blank">http://www.dgs.udel.edu</a><br>
> *************************************************<br>
><br>
><br>
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</blockquote></div><br>
</div></div></blockquote></div><br></div></div>