[Qgis-user] wrong scale printing with qgis web client

[Enrico Ferreguti]

Well, I made some checks....
I verified that, using osm backgound layers, all projects were reprojected
to epsg:3857 from epsg:3003.
Setting (in GlobalOptions.js) all background layer to false and authid
accordingly with project authid (epsg:3003) I verified that I get now right
scaled maps (the right scaled pdf is attached).
Then I confirm that the wrong behaviour (as from Tom email)

>  happens when projection is set to EPSG3857 for using
> Google,OSM,...basemaps, and your data is in another projection.
>

Qgis server version is 2.10 running under ubuntu.

I would suggest Tom to share GeoExt patch!

Regards.

2015-12-02 12:20 GMT+01:00 Bernhard Ströbl <bernhard.stroebl at jena.de>:

> Hi Enrico,
>
> the scalebar on the pdf obviously does not fit the numerical scale.
> Questions:
> 1) First we have to determine, if a) the numerical scale is wrong but the
> scalebar is correct or b) vice versa. What happens if you print out the
> same Layout in the same project from QGIS desktop in scale 1:1000? Does the
> scalebar fit the numerical scale? Is the displayed map extent the same?
> 2) What projection(s) do you use?
> 3) Which version of QGIS server are you running?
>
> Bernhard
>
>
> Am 02.12.2015 um 11:54 schrieb Enrico Ferreguti:
>
>> Hi,
>> I'm getting prints with wrong scale from qgis web client.
>> Apparently everything is fine, I select the layout, the scale from the
>> select box, I place the bounding box in the map and then I print. The
>> layout contains a numeric scalebar that correclty reports the selected
>> scale but if I manually measure on paper the printed image appears that
>> the map has a wrong scale by a 1.43x factor
>>
>> I verified the behaviour with different projects and projections on
>> various servers.
>>
>> Should I open a ticket or Am I doing something wrong?
>>
>> Attached there is a print with wrong graphical and numeric scalebars.
>> The location is the following:
>> http://www.openstreetmap.org/#map=19/45.3963826129/11.8795777003
>>
>> Regards.
>> Enrico Ferreguti
>>
>>
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>
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