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QGIS: Making flow-map, with curved arrows of different colours and varying sizes
I have a shape file for the World Map and the following data in text file (Added as delimited text layer):
I would like to use QGIS 3.10 to achieve three things:
a) To make a flow map to have CURVED LINES … from points listed in Column B to points in Column C.
b) To have curved lines of three different colours (based on the Colour ID in Column A).
c) To vary the thickness of the curved lines based on Data …