[mapserver-users] MapCache with GTiff Cache

[thomas bonfort]

I have added the TIFF write support parameter to the cmake build files,
enable with -DWITH_TIFF_WRITE_SUPPORT=1

--
thomas


On 29 April 2013 11:11, Arthur Wesley <arwesley at web.de> wrote:

> Thanks for your help Thomas,
>
> now i am trying to deploy mapcache with tiff-write-support, but there are
> no options which i could set in the CMakeList or CMakeCache File. I am
> using the master branch from the git repository. Should i use another
> version or is their a simple option string which i have to add?
>
> Thanks in advance for your help.
>
> Kind regards,
>
> JM
>
> P.S. Sorry Thomas for sending this mail directly to your adress.
>
> *Gesendet:* Freitag, 26. April 2013 um 10:44 Uhr
> *Von:* "thomas bonfort" <thomas.bonfort at gmail.com>
> *An:* "Arthur Wesley" <arwesley at web.de>
> *Cc:* "MapserverList OSGEO" <mapserver-users at lists.osgeo.org>
> *Betreff:* Re: [mapserver-users] MapCache with GTiff Cache
>  Arthur,
>
> The TIFF cache backend is efficient and performant, however it is not easy
> or flexible to setup. Basically you *must* ensure that the provided TIFFs
> are exactly aligned to your mapcache grid, and this for every zoom level
> you want to serve.
> I would suggest you create a TIFF cache from scratch on the "test"
> datasource , by enabling tiff write support in mapcache. Once you have
> browsed/seeded a few layers, the structure of what mapcache is awaiting
> given the <template> you provide will hopefully be clearer.
>
> Remove the <base> from your tiff source, use only the <template> and give
> it a full path, e.g.
>
>  <template>/path/to/tiff-cache/{tileset}/{grid}/L{z}/R{inv_y}/C{x}.tif</template>
>
> Please submit a patch to the docs if you think they should be enhanced.
>
> --
> thomas
>
>
> On 25 April 2013 17:41, Arthur Wesley <arwesley at web.de> wrote:
>>
>>  Hello Mapserver-Community, Hello List,
>>
>> first of all i want to thanks for the great work you guys are doing. The
>> mapserver-project with all his facets does really deliver a great range of
>> useful tools and services for different questions.
>>
>> Right now i am looking for a WMS and WMTS solution for publishing big
>> amounts of high resolution tiffs. Because of concerns about our disk
>> storage i would like to use only a single  raster datastore for both
>> services, i.e. WMS and WMTS.
>>
>> The realization of a WMS Service in front of a tiff datastore is no
>> problem with mapserver / mapfile. For the realization of a WMTS solution i
>> set up the extension mapcache. I also got it running as disk cache
>> solution. But i want to try if it is possible to set up it in front of the
>> tiff datastore. As it says in the documentation (
>> http://mapserver.org/mapcache/caches.html#mapcache-cache-tiff) it is
>> possible to use a gtiff cache, but right now i didn't get it running (see
>> my mapcache.xml in annex). Also i don't have real knowledge about the
>> structure of the tiff store for mapcache. As far as  i know gdal gives me
>> with the tools gdal2tiles and gdal_retile/gdaltindex two tools for
>> computing a tile structure. Could such a structure reused or do i have to
>> use another structure? Anyway i am quit new to tiling storys, so maybe i
>> just don't get it.
>>
>> It would be nice if somebody could show me mapcache.xml example for a
>> tiff cache and maybe could also descripe the needed structure of the tiff
>> store. I really appreciate your help. Thanks in advance.
>>
>> Kind regards,
>>
>> JM
>>
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>>
>
>
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