I have got myself a dxf which is built with units in the wrong scale. How do I upscale that in QGIS? Note it does open in QGIS, just in the wrong map units and location.
Answer
You georeference rasters and affine vectors :)
QGIS has an affine plug-in (qgsAffine) with which you can scale vector layers. You can also apply x and y offsets to all of the vertices in a vector layer if required. I think you will probably need to convert your DXF to a shapefile to use it though (right-click on the layer in the layers panel and go 'Save as...'). Applying rotation to a vector layer is slightly more difficult.
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