[MapProxy] Error on some zoom levels

[Максим Хитрин]

With 4000x4000 limit it works well.
I wonder how it affect on speed of work.


2013/2/8 Rahkonen Jukka <jukka.rahkonen at mmmtike.fi>

>  Leave some marginal and set maxsize to 3000 or 4000.  ****
>
> ** **
>
> -Jukka Rahkonen-****
>
> ** **
>
> *Lähettäjä:* Максим Хитрин [mailto:hitrymax at gmail.com]
> *Lähetetty:* 8. helmikuuta 2013 9:54
> *Vastaanottaja:* Rahkonen Jukka
> *Aihe:* Re: [MapProxy] Error on some zoom levels****
>
> ** **
>
> Hello,****
>
> I've rised the max size in the MapServer config up to 2072. But now
> MapProxy requests for 2073 height pixels.****
>
> ** **
>
> Let's see if configuring MapProxy will help.****
>
> ** **
>
> 2013/2/8 Rahkonen Jukka <jukka.rahkonen at mmmtike.fi>****
>
> Hi,****
>
>  ****
>
> Immediate reason is that Mapserver by default does not deliver bigger
> images than 2048 pixels.  The limit can be set higher on the server side
> with the MAP level setting MAXSIZE http://mapserver.org/mapfile/map.html**
> **
>
>  ****
>
> You can see from the log that MapProxy is asking for a 2072x1184 sized
> image.  If you cannot control Mapserver WMS then MapProxy should be
> configured to build smaller requests.  Perhaps it is done in
> Globals-cache-meta_size and meta_buffer
> http://mapproxy.org/docs/1.5.0/labeling.html#mapproxy-options****
>
>  ****
>
> -Jukka Rahkonen-****
>
>  ****
>
>  ****
>
> ?????? ?????? wrote:****
>
>  ****
>
> I've run development server and there is such error:
>
> [2013-02-08 17:14:04,877] mapproxy.source.request - INFO - GET
> http://85.143.48.160:1024/cgi-bin/mapserv.exe?map=C:/Map%20Files/test3857/test3857.map&styles=&format=image%2Fpng&height=2072&bbox=6832719.04785,7387742.86427,6837589.38965,7396267.00815&transparent=True&layers=QGIS-MAP&crs=EPSG%3A3857&service=WMS&width=1184&request=GetMap&version=1.3.0200 - 106
> [2013-02-08 17:14:04,880] mapproxy.source.wms - WARNING - expected image
> response, got: <?xml version='1.0' encoding="ISO-8859-1" standalone="no" ?>
> <ServiceExceptionReport version="1.3.0" xmlns="http://www.opengis.net/ogc"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
> http://www.opengis.net/ogc
> http://schemas.opengis.net/wms/1.3.0/exceptions_1_3_0.xsd">
> <ServiceException>
> msWMSLoadGetMapParams(): WMS server error. Image size out of range, WIDTH
> and HEIGHT must be between 1 and 2048 pixels.
> msOutputFormatValidate(): General error message. OUTPUTFORMAT png has
> IMAGEMODE RGB/RGBA, which is not supported for GD drivers.
> </ServiceException>
> </ServiceExceptionReport>****
>
> Is it a mapproxy side problem?****
>
>  ****
>
> 2013/2/7 Denis Rykov <rykovd at gmail.com>****
>
> If you are using default MapProxy development server you can see HTTP
> requests which your client sends to WMS server in terminal.****
>
>  ****
>
> On Thu, Feb 7, 2013 at 3:23 PM, Denis Rykov <rykovd at gmail.com> wrote:****
>
> Hi Maxim!****
>
>  ****
>
> Could you share output of the following command:****
>
>  ****
>
>     tail /var/log/apache2/error.log****
>
>  ****
>
> It could give any clues about your issue.****
>
> On Thu, Feb 7, 2013 at 2:33 PM, Максим Хитрин <hitrymax at gmail.com> wrote:*
> ***
>
>   Dear Sir or Madam,****
>
>  ****
>
> I've got a problem when I'm trying to zoom in MapProxy. ****
>
> It works well for about 2 or 3 zoom levels but then I got an error "Could
> not get any sources: no image returned from source WMS"****
>
> I'm trying to get data from a MapServer that is localed on another
> machine. There is no limit for max/min scale in its capabilities.****
>
>  ****
>
> Here is my configuration:****
>
> sources:****
>
>   test3857:****
>
>     type: wms****
>
>     wms_opts:****
>
>       version: 1.3.0****
>
>     req:****
>
>       url:
> http://85.143.48.160:1024/cgi-bin/mapserv.exe?map=C:/Map%20Files/test3857/test3857.map
> ****
>
>       layers: QGIS-MAP****
>
>       transparent: true****
>
>     supported_srs: ['EPSG:3857']****
>
>     coverage:****
>
>       bbox: [6807775, 7373595, 6875170, 7422370]****
>
>       bbox_srs: 'EPSG:3857'****
>
>  ****
>
> grids:****
>
>   test3857_grid:****
>
>     base: GLOBAL_GEODETIC****
>
>     bbox: [6807775, 7373595, 6875170, 7422370]****
>
>     bbox_srs: 'EPSG:3857'****
>
>  ****
>
> caches:****
>
>   test3857_cache:****
>
>     sources: [test3857]****
>
>     grids: [test3857_grid]****
>
>  ****
>
> layers:****
>
>   - name: test3857****
>
>     title: test3857****
>
>     sources: [test3857_cache]****
>
>
> Why am I getting this error?****
>
> Thank you for your prompt help.
> --
>
> Yours faithfully,
>
> Maxim Khitrin ****
>
>  ****
>
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>
>   ****
>
>  ****
>
>
>
>
> -- ****
>
> С уважением,****
>
> Хитрин Максим****
>
>  ****
>
>
>
> ****
>
> ** **
>
> -- ****
>
> С уважением,****
>
> Хитрин Максим****
>
> ** **
>



-- 
С уважением,
Хитрин Максим
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