Is it possible to set tolerance value of geoprocessing tool on QGIS.
History is below. There are two polygon which have to be the same position.
so, I set topological rule "A must covered by B" on ArcInfo with setting 0.0001 as tolerance value. There was no error.
On QGIS, I implemented "Difference" from geoprocessing tool for two polygons.
I found hundred errors which has differences less than 0.001m.
As default, there is no tolerance value on QGIS.
Please tell me how to set tolerance value on QGIS if possible.