[Qgis-user] Re: Newbie question - gml files
Sam Vekemans
acrosscanadatrails at gmail.com
Mon Jan 3 05:18:05 PST 2011
Hi,
Thanks :)
I downloaded the Download OSGEO4W
Installer<http://download.osgeo.org/osgeo4w/osgeo4w-setup.exe>
and found that extra plugin for it. ... so it should have installed.
http://picasaweb.google.com/lh/photo/qA5vAWn4q3kOXzXnm4mB1A?feat=directlink
OSGeo4W folder, there is no .exe file which would launch Qgis ... (it's
probably in one of the sub-folders)
So i'll re-install qgis 1.6 (and keep this version installed)
and do the 'right-click saveAs' so to transform the file, as i didn't do
that in previous attempts.
Thanks,
Sam
On Mon, Jan 3, 2011 at 2:26 AM, Micha Silver <micha at arava.co.il> wrote:
> Hello Sam:
>
>
> On 03/01/2011 10:38, Sam Vekemans wrote:
>
> Hi,
>
>
> <http://www.maptools.org/ms4w/index.phtml?page=downloads.html>
>
> I just want to convert the .gml file into the same projection as the canvec
> .shp files and most other .shp files
>
> I think it's unfortunate that you posted on your blog, a blanket
> statement "qgis.org does not work".
>
> I downloaded one of the gml files you pointed to [1]. I choose one of the
> smaller ones.
> Then I tried to load it into QGIS (version 1.6). My installation in on
> WinXP, installed with the OSGeo online installer [2] . When I run the
> installer, I usually chose "Advanced Install" right at the start, and check
> some additional libraries. In your case you'll want to be sure to check
> GDAL17 under the Command Line section.
>
> QGIS was able to display the qml layer with no problem. To correctly set
> the CRS, I first opened the gml file (in a text editor) and it's apparently
> is projected in NAD83(CSRS98) which is epsg code 4140. So I opened the
> properties of the layer (double click on the layer name) and in the general
> seciton, I clicked on "Specify CRS". THis does *not* reproject the layer, It
> only indicates to QGIS what projection the original is in.
>
> Next I did the usual "right click" on the layer name in the TOC and chose
> "Save As" to export to shapefile and I got the (attached) shape. In the Save
> As dialog there's a button to "Specify CRS" here I choose the correct
> EPSG:4140, NAD83(CSRS) projection.
>
> As to exporting to other coordinate systems, you can do that also directly
> in QGIS in the same way: when you chose "Save As" click the "Browse" button
> on the CRS line and you can select any destination CRS that you need. I'm
> not familiar with the canvec data, but according to [3] the spatial
> reference system is NAD83(CSRS) as above. Now if certain provinces need a
> local projection in order to overlay other layers then you can use the Save
> As to chose a different CRS.
>
> HTH,
> Micha
>
> [1] http://ftp2.cits.rncan.gc.ca/pub/canvec/province_gml/nl/
> [2] http://download.osgeo.org/osgeo4w/osgeo4w-setup.exe
> [3]
> http://ftp2.cits.nrcan.gc.ca/pub/canvec/doc/CanVec_product_specifications_en.pdf
>
> --
> Micha Silverhttp://www.surfaces.co.il/
> Arava Development Co. +972-52-3665918
>
>
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