[Qgis-user] Catalog OTF

[Tyler Veinot]

I have a shapefile that contains essentially engineering drawing view ports
and a path to the drawing in a field. I noticed that in QGIS 3.X there is a
Catalog OTF tool/window and it picks up this layer. If I hit run QGIS
starts using a lot of my cpu resources and I got tired of waiting so I
terminated the process.
So what is Catalog OTF? How do I use it? and What is it for? I could not
find a tutorial on it or a description with some limited google searches.
Thanks;
Tyler
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