[OpenLayers-Users] Use of MBTIles with openlayers

[Robert Buckley]

Thanks Tobias.

I remember your forum post from November last year...


"...So to get this working, you might be able add quite a simple loop.In your printprovider.js in line 367 there is a loop to populate the
json object with the layers that you are wanting to get printed.
So onto line 369 add:
if (layer.url == "http://maps.zgb.de/geoserver/gwc/service/wms"){
layer.url = "http://maps.zgb.de/geoserver/zgb/wms")
else
{}

(untested code, probably missing ;'s and other stuff!)...

Toby.

..."

This never did work for me....and I decided to enjoy christmas and start the whole thing again in 2012. Unfortunately we are already in 2012 and the niggly little jobs which I need to solve have appeared again!

If you have time to help me crack this one I´d be much appreciated.  ps..i´m located in D-31822.

yours,

Rob




________________________________
 Von: Tobias Reinicke <ramotswa at gmail.com>
An: Robert Buckley <robertdbuckley at yahoo.com> 
Cc: Greg Allensworth <gregor at greeninfo.org>; "users at openlayers.org" <users at openlayers.org> 
Gesendet: 18:04 Mittwoch, 25.Januar 2012
Betreff: Re: [OpenLayers-Users] Use of MBTIles with openlayers
 
I suspect you might have the same problem. We have solved this by
calling the appropriate WMS layer from the geoserver to do the print
request. The problem with any tiled base approach is that either you
have to cut down the tile parts that run outside of your export area,
or you have to go to the closest tile, which at lower resolutions is
quite a big geographical distance.

Regards,
Toby

On 25 January 2012 16:58, Robert Buckley <robertdbuckley at yahoo.com> wrote:
> Thanks for the reply,
>
> So TileStache can serve and render the MBTiles to use with openlayers? Would
> you know if there are possibilities for exporting mapcontent from the
> openlayers mappanel?
>
> This is one of the reasons i´m looking in this directory as I can´t do pdf
> exports with geowebcache served from geoserver.
>
> Thanks,
>
> Rob
>
> ________________________________
> Von: Greg Allensworth <gregor at greeninfo.org>
> An: Robert Buckley <robertdbuckley at yahoo.com>
> Cc: "users at openlayers.org" <users at openlayers.org>
> Gesendet: 17:51 Mittwoch, 25.Januar 2012
> Betreff: Re: [OpenLayers-Users] Use of MBTIles with openlayers
>
> On 1/25/2012 4:18 AM, Robert Buckley wrote:
>> Has anyone successfully used MBTiles to server
>> basemaps in Openlayers? Do any live example exist if yes?
>
> You need server-side software to open the MBTiles file and fetch the tiles.
> TileStache and TileStream are two popular servers for doing this.
>
> TileStache is Python and I found it fairly easy to set up. It runs under
> Apache as CGI, mod_python, or WSGI. If you have an existing web server and
> web content, this is probably the easiest way to go.
>
> TileStream is written in Node JS and takes a bit more setup. It does not run
> under Apache, but is its own server with its own service port and it has
> some behaviors regarding the hostname of incoming requests -- running it on
> port 80 with your other web content is not simple.
>
> -- Greg Allensworth, Web GIS Developer
> BS  A+  Network+  Security+  Linux+  Server+
> GreenInfo Network - Information and Mapping in the Public Interest
> 564 Market Street, Suite 510  San Francisco CA 94104
> PH: 415-979-0343 x302  FX: 415-979-0371    email: gregor at greeninfo.org
> Web: www.GreenInfo.org    www.MapsPortal.org
>
> Subscribe to MapLines, our e-newsletter, at www.GreenInfo.org
>
>
>
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