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Shapefile - problem with number of points in LinearRing

I am new to shapefiles and I've got a bit lost. I am trying to plot pooling sections in my region (Madrid) with different colors. But I get Error: IllegalArgumentException: Invalid number of ...
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382 views

Invalid geometry

I'm working on some shapefiles in both ArcGIS 10.2 and QGIS 2.0. I have 3 files which I have cleaned of self intersections in ArcGIS using Repair Geometry. I have also checked for Overlaps using the ...
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How to solve UnicodeDecodeError in Python when executing Make Valid LWGEOM algorithm in QGIS?

I'm trying to fix some invalid geometries using the Make Valid LWGEOM algorithm in QGIS 2.8.3 processing toolbox but a Python error occurs: Errore durante l'esecuzione di codice Python: Traceback ...