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I have a .shp-file of some buildings with a sheet in an attribute table of their height. I want to extrude them using a Qgis2threejs plugin, but since a sheet of height is shown as a type of QString, the plugin can't recognize it and the buildings can't be extruded.
I have tried to export a database as a .csv-file, but the Excel is locked and it can't be modified.
Any alternative approaches?
If the heights are in a column of the attributes table, but stored as QString type, you can convert them in a new numeric type column.
Add a new field with the Decimal number (real) type and the desired length and precision in the attribute table.
Populate that field in the Field Calculator with the expression:
to_real("height")
Where "height" is the name of the string type field.
