[Qgis-user] Loading rectangular raster data in QGIS
Nicolas Cadieux
nicolas.cadieux at archeotec.ca
Mon Nov 24 07:29:11 PST 2014
Hi,
I meant to change the project crs to epsg 4326. Make sure you have on
the "fly projection". When you do that, the cells become rectangular.
But I think there is something wrong with the file:
Change the header to this for a rectangular pixel. Should work. Save it
as .asc
ncols 97
nrows 60
xllcorner 276591.68
yllcorner 5539072.48
dx 58.198
dy 87.623
NODATA_value -9999
Le 2014-11-24 08:55, Nicole Stoffels [via OSGeo.org] a écrit :
> The cells do still have a square shape.
>
> Am 24.11.2014 um 14:43 schrieb Nicolas Cadieux:
>
> > Try importing the file in zone 32N then change the projection to WGS84
> > long lat. What happens?
> >
> > Nicolas Cadieux M.Sc.
> > Les Entreprises Archéotec inc.
> > 8548, rue Saint-Denis Montréal H2P 2H2
> > Téléphone: 514.381.5112 Fax: 514.381.4995
> >
> > Le 2014-11-24 08:21, "Nicole Stoffels [via OSGeo.org] " <[hidden email]
> > </user/SendEmail.jtp?type=node&node=5174513&i=0>> a écrit :
> >
> > Thanks, for your answer. However, my project and my raster both
> have
> > the
> > same projection (EPSG:32632 - WGS 84 / UTM zone 32N). With the CSR
> > options I cannot find anything that does not seem to be right.
> >
> > Am 24.11.2014 um 14:05 schrieb Nicolas Cadieux:
> >
> > > Hi,
> > > Make sure you are opening the raster in the right projection.
> > Make sure
> > > your project is in that projection. Explore the default CSR
> options.
> > >
> > > Nicolas Cadieux M.Sc.
> > > Les Entreprises Archéotec inc.
> > > 8548, rue Saint-Denis Montréal H2P 2H2
> > > Téléphone: 514.381.5112 Fax: 514.381.4995
> > >
> > > Le 2014-11-24 06:47, "Nicole Stoffels [via OSGeo.org] " <[hidden
> > email]
> > > </user/SendEmail.jtp?type=node&node=5174500&i=0>> a écrit :
> > >
> > > Dear all,
> > >
> > > I am trying to load a raster file containing rectangular
> cells
> > into
> > > QGIS. The header looks like this:
> > >
> > > ncols 97
> > > nrows 60
> > > xllcorner 276591.68
> > > yllcorner 5539072.48
> > > cellsize 58.198 , 87.623
> > > NODATA_value -9999
> > >
> > > QGIS displays the cells as squares, even though they are
> > rectangular.
> > > This leads to a distorted image in QGIS. How can display the
> > cells in
> > > their original rectangular shape?
> > >
> > > Unfortunately I cannot find anything in the internet.
> Thanks for
> > > your help!
> > >
> > > Best wishes,
> > > Nicole Stoffels
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>
> Borsteler Chaussee 178
> 22453 Hamburg
> Germany
>
> phone: +49 (0)40 533 036 80-88
> fax : +49 (0)40 533 036 80-79
> email: [hidden email] </user/SendEmail.jtp?type=node&node=5174519&i=1>
> web : www.f2e.de
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> Sitz der Gesellschaft/Headquarters: F2E, Borsteler Chaussee 178, 22453
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> Verwaltungsgesellschaft mbH
> Registergericht/County Court: Hamburg
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> Dr. Thomas Hahm
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