[Qgis-user] How to Degitize a raster immage

[Gerardo Jimenez]

Check this out. I made them for my students, so they are in spanish...
hope it helps

Gerardo Jiménez Delgado
Instituto de Investigaciones Antropológicas
Universidad Nacional Autónoma de México
Ciudad Universitaria s/n
Coyoacan 04510
Mexico City
Mexico

56 22 95 16

> Subject: Re: [Qgis-user] How to Degitize a raster immage
> Date: Thu, 3 Nov 2011 18:15:24 +1300
> From: alister.hood at synergine.com
> To: qgis-user at lists.osgeo.org
> CC: lakho.mumtaz at yahoo.com
> 
> And if you are thinking of manually tracing over a raster image you just
> need the tools on the "digitisation" and "advanced digitisation"
> toolbars.  There is help on these in the user manual.
> 
> > Date: Wed, 2 Nov 2011 16:52:49 -0700
> > From: Mars <marsofearth at gmail.com>
> > Subject: Re: [Qgis-user] How to Degitize a raster immage
> > To: Mumtaz Lakho <lakho.mumtaz at yahoo.com>
> > Cc: QGIS-Users <qgis-user at lists.osgeo.org>
> > Message-ID: <9293D6AF-3204-49F6-BF99-B7D2D78896A2 at gmail.com>
> > Content-Type: text/plain; charset="us-ascii"
> > 
> > Besides Geo-Referencing a Raster image, there is also a function
> called
> > "Feature Extraction". I Believe there is a plugin for extracting
> Vector
> > Features from a DEM and possibly other functions to extract features
> from other
> > types of Rasters. Perhaps if Geo-referencing is not your primary goal
> you can
> > research feature extraction to give you some background.
> > 
> > Sent from my iPhone
> > 
> > On 2011-11-02, at 12:57 PM, Mumtaz Lakho <lakho.mumtaz at yahoo.com>
> wrote:
> > 
> > > Dear QGIS Repr.
> > > Would u please guide me the process of Digitizationof raster layer
> under
> > QGIS 1.7.1- wroclaw
> > > thanks
> > > (Mumtaz)
> > > a QGIS User
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