Plan overlays saved + georeferenced
Set an API key, then reload.
Add drawing — georeference by 2 anchor points
Pick two features on the drawing whose plant-grid E/N is known
(facility anchors, or type values). Works for any scale/drawing at that plant.
pt 1 =
pt 2 =
Quick session overlay (corner pick) + GeoJSON
Paste boundary (GeoJSON — CAD: convert via QGIS/ogr2ogr first)