Re: [Qgis-user] Centroid error

2013-09-02 Thread Pat Brown
Thanks Bernd, I will look at the options you suggested and give them a try. Paddy On 2 September 2013 20:39, Bernd Vogelgesang wrote: > Hi Paddy, > > i doubt that you can set a "tolerance" somewhere. > As a general hint: use functions provided by SEXTANTE-plugin/Processing. > Most of the tim

Re: [Qgis-user] Centroid error

2013-09-02 Thread Bernd Vogelgesang
Hi Paddy, i doubt that you can set a "tolerance" somewhere. As a general hint: use functions provided by SEXTANTE-plugin/Processing. Most of the time, they perform much better than the standard ftools functions, and you don't litter your project with tons of test-files as the output is alwa

[Qgis-user] Centroid error

2013-09-01 Thread Pat Brown
Hi List, I have a layer of around 17000 polygons, for which I want to derive the centroid. Using the Vector/Geometry Tools/Polygon Centroid tool the process progressed to around 45% when this message came up: "Error processing specified tolerance. Please choose larger tolerance". Can anybody tell m