How to Simplify Vector Vertices using QGIS | Reduce the Number of Vertices

You can reduce the number of vertices in a polygon. This process is known as simplifying or generalizing a polygon. Simplification reduces the complexity of the polygon by removing unnecessary vertices while preserving the overall shape as much as possible. Here's how you can do it in common GIS software:
In QGIS:
1. Simplify Tool:
o Select your polygon layer in the Layers panel.
o Go to the Processing Toolbox.
o Search for "Simplify".
o Choose the "Simplify geometries" tool.
o Set the tolerance value. A higher tolerance removes more vertices but might distort the shape more.
o Click Run to apply the simplification.

[@azeez-t3o]

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