Selecting polygons by size
30073
How to select faces by area
61444
Identify shape of the polygons: elongation, roundness, etc
95067
Area of the Limiting Polygon
114095
Obtaining extent of each polygon in shapefile using ArcPy?
85331
Creating polygon using coordinates
53144
Removing small spaces (slivers) between polygons?
9768
Selecting features within Polygon from another layer using QGIS?
33288
Creating polygon from hole in QGIS?
108579
How do I efficiently determine if a polygon is convex, non-convex or complex?
140625
What is the area of a polygon with n equal length sides?
86595
Draw Vertices of Regular Polygon
149647
Is there anyway to modify thickness & color of a selected polygon?
44765
Clipping line layer based on polygons with QGIS?
6614
Joining attributes from points to polygons
129591
Creating a large amount of convex polygons using existing coordinates
151548
How Could I Select a vertex by its ID?
3202
Calculating polygon areas in QGIS?