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Is there a function to snap new or moved vectors to a (user-defined) grid on the map similar to the AutoCAD snapping-function without generation a point/line/polygon-grid over the whole region first?
Specifically, I want to create or move objects in 1 m increments (or multiple) on whole meters.
I accidentally stumbled upon what I guess you're looking for:
Go to your layers properties, there choose the bottom tab digitising, there add a value for geometry accuracy (see screenshot).
The left polygon was digitised with an accuracy of 1 m, the right one with an accuracy of 10 m.
You can use the snap points to grid tool. Despite its name, it works on polygons by moving its vertices.
