Can I change the angle of a Symbol automatically in QGIS?

[المشرف العام]

I try to work with an ironage cementery in QGIS. I marked every grave in a point-layer with several columns amongst others burial rite (inhumation, cremation etc.). I inserted a second column for the orientation of the inhumations. I categorized the vector symbols according to the burial rite column and created one simple vector symbol for the inhumations, now I would like it to rotate automatically according to the orientation column.Is that possible using one layer, or o I have to put all the inhumations in a second layer.

Thanks for any help!

Lukas



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