[Qgis-user] Re: QGis slope calculation in Photoshop

[Etienne Tourigny]

On Tue, Apr 10, 2012 at 9:18 AM, Paulo van Breugel
<p.vanbreugel at gmail.com> wrote:
> Using the print composer is a bit cumbersome, but does not need to be
> imprecise. See this short explanation how you can use it to export
> georeferenced images:
> http://pvanb.wordpress.com/2011/09/28/create-wld-file-for-map-image/. The
> other way to do this is
> http://underdark.wordpress.com/2010/11/30/creating-high-resolution-images-using-qgis/.
> On my computer, the second way tends to be more problematic for larger
> images.
>
> Another option is to use GRASS (GRASS toolbox) to calculate slope, and for
> export of the layer as (georeferenced) png or tiff.
>
> Yet another option, which I didn't try, is to convert the geotiff to a
> normal tiff with world file using gdal; see
> http://lists.osgeo.org/pipermail/gdal-dev/2006-May/008929.html

Instead of using gdal at the commandline, you can try using gdaltools
"Translate (convert format)", select gtiff output and add the creation
options TFW=YES and PROFILE=BASELINE

>
>
>
>
> On 04/10/2012 01:57 PM, mnertinger wrote:
>
> Using an png wouldn't be a problem at all.
> But i have to use the print-composer to get the png,
> because by just exporting the slope as png I get the same
> "mask-like" result in PS, as with the tif.
> And using the print composer to export an image is rather imprecise
> and unpleasing…
>
> I just don‘t get why I cannot export the slope analysis as a tif,
> as I do for example with the shaded relief or any other geotif from QGis.
>
> --
> View this message in context:
> http://osgeo-org.1560.n6.nabble.com/QGis-slope-calculation-in-Photoshop-tp4742742p4746109.html
> Sent from the Quantum GIS - User mailing list archive at Nabble.com.
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