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Check this out. I made them for my students, so they are in spanish...<div><br></div><div>hope it helps<br><br>Gerardo Jiménez Delgado<br>Instituto de Investigaciones Antropológicas<br>Universidad Nacional Autónoma de México<br>Ciudad Universitaria s/n<br>Coyoacan 04510
Mexico City<br>Mexico
56 22 95 16<br><br><div>> Subject: Re: [Qgis-user] How to Degitize a raster immage<br>> Date: Thu, 3 Nov 2011 18:15:24 +1300<br>> From: alister.hood@synergine.com<br>> To: qgis-user@lists.osgeo.org<br>> CC: lakho.mumtaz@yahoo.com<br>> <br>> And if you are thinking of manually tracing over a raster image you just<br>> need the tools on the "digitisation" and "advanced digitisation"<br>> toolbars. There is help on these in the user manual.<br>> <br>> > Date: Wed, 2 Nov 2011 16:52:49 -0700<br>> > From: Mars <marsofearth@gmail.com><br>> > Subject: Re: [Qgis-user] How to Degitize a raster immage<br>> > To: Mumtaz Lakho <lakho.mumtaz@yahoo.com><br>> > Cc: QGIS-Users <qgis-user@lists.osgeo.org><br>> > Message-ID: <9293D6AF-3204-49F6-BF99-B7D2D78896A2@gmail.com><br>> > Content-Type: text/plain; charset="us-ascii"<br>> > <br>> > Besides Geo-Referencing a Raster image, there is also a function<br>> called<br>> > "Feature Extraction". I Believe there is a plugin for extracting<br>> Vector<br>> > Features from a DEM and possibly other functions to extract features<br>> from other<br>> > types of Rasters. Perhaps if Geo-referencing is not your primary goal<br>> you can<br>> > research feature extraction to give you some background.<br>> > <br>> > Sent from my iPhone<br>> > <br>> > On 2011-11-02, at 12:57 PM, Mumtaz Lakho <lakho.mumtaz@yahoo.com><br>> wrote:<br>> > <br>> > > Dear QGIS Repr.<br>> > > Would u please guide me the process of Digitizationof raster layer<br>> under<br>> > QGIS 1.7.1- wroclaw<br>> > > thanks<br>> > > (Mumtaz)<br>> > > a QGIS User<br>> _______________________________________________<br>> Qgis-user mailing list<br>> Qgis-user@lists.osgeo.org<br>> http://lists.osgeo.org/mailman/listinfo/qgis-user<br></div></div> </div></body>
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