There is also another layer, Penn_State_3D_Buildings, which is a multipatch layer and can store complex textured 3D shapes. You will set the elevation properties for this layer so that you can better see the buildings. That's because they are shown in a 3D environment and the 2D polygons are partially covered by small differences in the terrain elevation. The same 2D building footprint layer, Penn_State_2D_Footprints, is displayed in the Scene view, but you'll notice that the two building footprints aren't fully displayed and seem to sink into the ground. Local scenes are useful to display 3D datasets that have a limited spatial extent, and are displayed with a projected coordinate system, such as a city or, in the case of this exercise, a university campus. Is there a simple way of taking a 3D file and creating an "outline" or shell of it without trying to identify each individual thing you want to remove? I don't have any of the higher end 3d design software such as 3DS, Maya, or Solidworks - but am happy to work with all the open source / inexpensive options.The Scene view contains a local scene. I tried to do a binary combination using FreeCAD, and tried using some simplification techniques of MeshLab, but the files are still pretty large, which is bogging down the application and making the start of my workshop file an 800MB file and growing. I don't need all the detail on the inside such as the brakes, gears on the winch and such and would be just fine with a shell with no internal structure as it is just for visualizing the spaces. The laser engraver takes a ridiculous amount of time to open and is a 130MB file, when all I really needed was a shell that looks somewhat like a laser engraver.
The issue I am having is that some of these items such as this boat trailer has nearly a million vertices and is a 70MB file. Using FreeCAD I can open them, export them as OBJ files which lets me import to Sweet Home 3D. The awesome thing is that it has an import furniture feature which has let me go find a bunch of those items on GrabCAD as STEP, or STL. I am designing a workshop using Sweet Home 3D, which has been great except for some reason it doesn't have things like CNC mills, lathes, laser cutters and stuff - go figure, seems pretty standard home stuff to me (insert sarcasm).
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