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<ol>
<li>Choose a CRS for your _project_ using the menu "Settings"
--> "Project properties" --> Tab "Coordinate Reference
System (CRS) and choose the CRS from the dialog. Remember to
enable "on the fly CRS transformation"</li>
<li>Open your layer(s). Don't think about the projection here.<br>
</li>
<li>Right-click on each of your layer(s) in the "Layers" dialog
and choose "Set layer CRS". If necessary, choose the CRS for
the individual layer.</li>
</ol>
In some cases the CRS for a layer can't be inferred from the
information in the layer's datafile or QGIS can't read it
correctly. Executing step 3 for each "problem" layer corrects this
problem.<br>
<br>
Regards<br>
Bo Victor Thomsen<br>
Aestas-GIS<br>
Denmark<br>
<br>
<br>
Den 21-09-2012 09:23, Johan Nilsson skrev:<br>
</div>
<blockquote
cite="mid:CALnM-k98r70xotDcqEqyZMi3_gCE-Nm8hDXz4eeFpoU6-uJ+=Q@mail.gmail.com"
type="cite">When I click Layer-->'Add vector layer.....' I can
browse for files, shp, gpx, and so on, but never chose an CRS in
that menu. My Background map are in RT90 coordinate system in
meters approx 1500000,6500000 m but gpx files come to 17 and 60 m
(not degree), way ot of the map...<br>
<br>
/Cheers<br>
<br>
<div class="gmail_quote">2012/9/21 leyan ouyang <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:ouyang.leyan@hotmail.com" target="_blank">ouyang.leyan@hotmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div dir="ltr">
Yes it is possible, the option "on-the-fly reprojection"
does just that. Choose the main CRS as the project CRS (it
will be used for distance calculations, etc.). Then when
you add a layer you can choose its CRS individually, QGIS
will do the transformation.<br>
<br>
Regards,<br>
<br>
Leyan<br>
<br>
<div>
<hr>Date: Fri, 21 Sep 2012 09:08:05 +0200<br>
From: <a moz-do-not-send="true"
href="mailto:joni8135@gmail.com" target="_blank">joni8135@gmail.com</a><br>
To: <a moz-do-not-send="true"
href="mailto:qgis-user@lists.osgeo.org"
target="_blank">qgis-user@lists.osgeo.org</a><br>
Subject: [Qgis-user] gfx in WSG 84 added to another CRS
(EPSG:3021)
<div>
<div class="h5"><br>
<br>
Hi.<br>
I can transform gpx file from a GPS (WSG84) to an
old swedisch CSR EPSG:3021 (RT90 2,5 gon V metric
coordinate system)) shape file, but I whant to let
the program transform on the fly.<br>
<br>
I know that year 1999 Silicon graphic had it on
there 'super coomputers' and GIS-softwate, and I
also see that QGIS have under menue:<br>
<b>Settings-->Options-->CRS</b>-tab have an
option to check 'on the fly reprojection' in option.<br>
<br>
Under options-->CRS can you define default
project CRS and defaut CRS to what your add in
layers, but If you have a lot of old files with
diffenent CRS it could be errors. Now Sweden is in
transition from RT90 to SweRef99 (very near WSG84)<br>
<br>
Is it possible to add vector files with other CRS,
or even rasters to a project without transform it?<br>
<br>
/Cheers<br>
<br>
<br>
</div>
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