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Andrew Mac

Creating a Site Model from a PDF survey

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I was wondering if it were possible to create a site model from a PDF site survey.  if there were a how-to video or something?

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I hand trace these all the time.  That way its all native vectorworks objects.  Imported survey stuff ends up with a zillion unwanted classes and potential weirdness from imported objects.  I have found that by theme I clean up all the unwanted stuff, I can just trace and get a clean file.  You want also modify contours to work better like lengthening or shorting them to work better with your DTM.  

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Have you tried ungrouping the pdf once imported, if it has the vector data you would be left with editiable 2D lines in 1 group and an image file, giving you the basic geometry to use to add the 3D data. If it's an image based pdf then you're stuck with  manually tracing; if you have acces to illistrator you could try their autotrace feature and then import it into VW in a vector format.

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