[Qgis-user] How to define a region of interest mask in QGIS Processing Model

[Hanssen, Frank]

Yes Bernd, you got it!

And hmm, that sounds cumbersome ..

Cheers,
Frank

From: Bernd Vogelgesang [mailto:bernd.vogelgesang at gmx.de]
Sent: 8. juni 2015 15:36
To: Hanssen, Frank; qgis_User; Lene Fischer
Subject: Re: [Qgis-user] How to define a region of interest mask in QGIS Processing Model

I think he is searching for a way to make this an interactive action with defining the extend within the model. At least that's my interpretation.
In that case, I think this is not possible and you will have to do it with 2 steps. First creating a memory layer, create the extend as a rectangle e.g., save it and then use the model with the DEM and the memory layer to clip it.

Maybe there would also be a possibility to inject some python script in the model that will do this memory layer thing, but as my python scripting knowledge is still zero, this is just a wild guess.

Cheers
Bernd

Am 08.06.2015, 15:22 Uhr, schrieb Lene Fischer <lfi at ign.ku.dk<mailto:lfi at ign.ku.dk>>:

This link is a tutorial for processing – using clip in vector – Just change algorithm ☺

Regards
Lene Fischer

Fra: Hanssen, Frank [mailto:Frank.Hanssen at nina.no]
Sendt: 8. juni 2015 14:42
Til: Lene Fischer; qgis-user at lists.osgeo.org
Emne: RE: [Qgis-user] How to define a region of interest mask in QGIS Processing Model

Hi

Thanks. But I need to do this in a process model.

Regards,
Frank

From: Lene Fischer [mailto:lfi at ign.ku.dk]
Sent: 8. juni 2015 14:39
To: Hanssen, Frank; qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>
Subject: SV: [Qgis-user] How to define a region of interest mask in QGIS Processing Model

Look at this tutorial – step 16. http://www.qgistutorials.com/en/docs/raster_mosaicing_and_clipping.html

Regards


Lene Fischer
Lektor

Skovskolen
Københavns Universitet

DIR 40115084
lfi at ign.ku.dk<mailto:lfi at ign.ku.dk>


[cid:image001.gif at 01D03029.2F3EC6A0]


Fra: qgis-user-bounces at lists.osgeo.org<mailto:qgis-user-bounces at lists.osgeo.org> [mailto:qgis-user-bounces at lists.osgeo.org] På vegne af Hanssen, Frank
Sendt: 8. juni 2015 14:03
Til: qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>
Emne: [Qgis-user] How to define a region of interest mask in QGIS Processing Model

Hi

I am new to QGIS and would like to make a model where the user can clip a DEM raster from drawing a polygon on the screen. Any tip?

Frank


--
Bernd Vogelgesang
Siedlerstraße 2
91083 Baiersdorf/Igelsdorf
Tel: 09133-825374
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20150608/4eac678f/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.gif
Type: image/gif
Size: 4863 bytes
Desc: image001.gif
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20150608/4eac678f/attachment.gif>