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14:09
YouTube
Tales from the GIS
VALID and SIMPLE geometries in QGIS 3: definition & HOW TO FIX
In this tutorial you will learn what VALID means for a geometry and how to check validity in QGIS 3. You will also see how to fix validity problems and how to make a geometry simple. +++ Geometry validity Points and lines are always valid. A POLYGON is valid if the polygon boundary rings are simple (do not cross or self-touch). Because of this ...
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