[Qgis-user] problems Open Layer Plugin

Cao Minh Tu caominhtuvn at gmail.com
Fri Feb 24 17:12:57 PST 2012


Hi Dario,

As Giovanni said, it's because those maps just available at some fixed 
scale.

At times when I see a shift in my map like you described, it's normally 
because I used the "Zoom in" tool and zoom into an arbitrary region.
To fix it, I hand-enter the scale at the bottom right box with one of 
these values:
1:564
1:1127
1:2255
1:4510
1:9020
1:18040
1:36080
1:72160
1:144320
1:288640
1:577280
1:1154560
1:2309120
1:4618240
1:9236480
1:18472960
1:36945920
1:73891840
1:147783680
1:295567360
(these values I got when I first add the Open Layer into Qgis and scroll 
the mouse wheel)
Or maybe you can use values from this page: 
/http://msdn.microsoft.com/en-us/library/bb259689.aspx/
*[help needed: can any one on the list please explain the values from 
which source is more precise?]*

After entering one of the above values, you should only zoom in and out 
of the map by scrolling the mouse wheel.

Best regards!

-- Cao Minh Tu --


/*@Giovanni: */Sorry, I made a mistake by replying the previous email 
just to you. Please remove it. Thanks.


Ngày 24/02/2012 07:19 PM, Giovanni Manghi viết:
> Hi Dario,
>
> when using the OL plugin your project must be in Google Mercator with
> OTFR enabled. Sometimes there are "shifts" but if you pan a little the
> canvas everything goes in its place (it is because the maps from Google
> et al are not available at every scale).
>
> About the error try remove openlayers overview plugin (now integrated
> into Openlayers).
>
> cheers
>
> -- Giovanni --
>
> On Fri, 2012-02-24 at 04:11 -0800, Dario wrote:
>> Hello Friends,
>>
>> When using the plugin with the option Openlayer Google Earth, I have
>> been a big shift between the point indicated on my map and point shown
>> in Google Earth.
>> My map is in UTM projection, SAD 69, zone 24S, EPSG = 29194
>> (I'm using on-the-fly)
>>
>> When trying to add image of GE states the following:
>> The OpenLayers plugin version is 0.71, need be 0:42 version!
>> I have to revert to the old version? How to do it?
>>
>> Dario
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/qgis-user
>
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