For a little map project of mine, I need to create quadrilaterals around a polygon feature based on the bisected angles of the vertices of that feature. Here is an example:
Is it possible to automate this procedure, especially regarding having equal distances? I am using QGIS 3.10.
I am interested in the underlying map, as I want to transform the geometry. Basically I want to recreate Daniel Huffman's linear map, but with a GIS rather than a vector program without losing the spatial information (this is part of a totally different question...). I want to draw my own polygon and then derive such a quadrilateral buffer with a unique buffer of 100km towards land and perhaps 10km towards the sea.