[Qgis-user] How to Degitize a raster immage

[Alister Hood]

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