[Qgis-user] Qgis-user Digest, Vol 102, Issue 35

[Laura O'Grady]

Hi all,

After attempting to revert to 2.2 only to end up with no working version at
all I gave up and re-installed 2.4. 

I went back to the Open Street Map plugin and was able to get the correct
co-ordinates to download. Find below a link to a screen dump of the steps
required to get it to work on my machine. I do not know if anyone will every
experience this but here's the information:

https://www.dropbox.com/s/7x3pc9d3yzstaql/2014-08-20%2019.23.59.jpg

Thanks everyone for your help.

Laura

Message: 2
Date: Wed, 20 Aug 2014 20:23:00 +0200
From: Andre Joost <andre+joost at nurfuerspam.de>
To: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] Reverting to version 2.2 from 2.4
Message-ID: <lt2p39$tei$1 at ger.gmane.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Second try, after reworking your steps on Windows 7 and QGIS 2.4 32-bit:

Am 19.08.2014 19:46, schrieb Laura O'Grady:

>
> When I was using OSM/Open Layers before in QGIS 2.2 I used the 
> tutorial posted here:
http://www.qgistutorials.com/en/docs/downloading_osm_data.html.
>

What is written there is almost current.

>
>
> When I attempted to re-create this process in 2.4 using the 
> instructions posted here by John I was able to load Open Street Map as 
> the basemap I could not download the data. I tried loading it from the 
> canvas (link to screen dump with error):
>
>
>
> https://dl.dropboxusercontent.com/u/10032664/error%20map%20canvas.png
>
>
>
> and loading it from the map layer (link to screen dump with error):
>
>
>
> https://dl.dropboxusercontent.com/u/10032664/error%20from%20layer.png
>
>
>
> If you look in the bottom left corner of the "Download Open Street Data"
> dialogue boxes in both screen dumps you will see that they have "0.0 MB"
> already hard coded. I could not remove or adjust this number. I didn't 
> attempt the manual entry because this same issue regarding the 0.0 MB 
> appeared again with this option checked off. As I can't get the data 
> downloaded I cannot move forward with downloading the tags I'm 
> interested in.

Normally, you download the map extent, and the bbox coordinates are
automatically reprojected to WGS84. For Toronto, it should be around:
West: -79.7523
North: 43.8554
East: -79.0002
south: 43.5806
Looking at your second error image, I see "Extent from Layer" for the OSM
background checked, and West set to -180. That means you want the whole
world! The overpass API rejects such requests, because it would need some GB
of traffic. QGIS would not be able to handle that anyway. 
The MB reported is read-only, you can not enter anything there. I got
291 MB for Toronto.


By the way, you can downgrade to QGIS 2.2, but you can not downgrade the
plugins.

HTH,
Andr? Joost



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End of Qgis-user Digest, Vol 102, Issue 35
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