[Qgis-user] How to draw a polygon shapefile around raster pixels?

[nikos ves]

On Wed, 2010-06-16 at 06:10 -0700, boesiii wrote:
> I have a raster which has pixel values representing slope percentages.  Is
> there a way to draw a boundary around specific areas (ex. around all pixels
> greater than 40)?

make a contour representing the slope percentage. then select the
percent you want, and if you want extract it as a new item

-- 
nikos ves <vesnikos at gmail.com>