QGIS 2 Minute Tutorials - Fixing Symmetrical Difference Errors
QGIS is the leading open source geographic information systems (GIS) software. One of the the software's strengths is its ability to work with a wide range of data formats. Of course, this can sometimes cause problems when using formats created by other companies (we're looking at you, ESRI). This quick tutorial shows you how to fix those pesky errors that pop up when trying to use the Difference and/or Symmetrical Difference tools in QGIS.