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One of the characteristics of a roof plane is the fasia edge is usually vertical not sloping as per the various methods in Bricscad
I need a simple routine that will take a polyline drawn in the xy plane and project it on to an inclined UCS, from where it can be converted to a region or extruded along a vertical path to the roof thickness. (roof plan is made of WCS closed polylines representing each surface). I do this manually now and it does ALL roof surfaces except lofted.
My lisp skills are very rusty but I think the simplest approach would be:
Can somebody help on this please?
Thanks very much if somebody can!
Cheers Ken Taylor