[Qgis-user] combining fragmented forests

RMG reikogoodwin at gmail.com
Wed May 6 13:10:22 PDT 2020


Hello Chris,

I need to stitch those broken up forests at the shared borders across the tiles. 

Best wishes,

Reiko Matsuda Goodwin, PhD (she, her)

Sent from my iPhone 

> On May 6, 2020, at 15:57, chris hermansen <clhermansen at gmail.com> wrote:
> 
> Reiko and list
> 
>> On Wed, May 6, 2020 at 11:55 AM RMG <reikogoodwin at gmail.com> wrote:
>> Hello,
>> 
>> I have five shapefiles that contain thousands of fragmented forests that I created from a NDVI raster of a large protected area in West Africa, which I separated into five panels. Now, how do I stitch thousands of the fragmented forests at the borders?
>> 
>> Each shapefile's attributes have ID, count (number of units), area, and perimeter, so I can visually recognize which fragments need stitching, but because there are so many, I don't think I can do it manually.
> 
> Do you decide to "edge match" your polygons based on common attributes, or on some kind of geometric concern - shared border across tiles, for example? 
> 
> -- 
> Chris Hermansen · clhermansen "at" gmail "dot" com
> 
> C'est ma façon de parler.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20200506/b427d104/attachment.html>


More information about the Qgis-user mailing list