![]() ![]() If it is not going to make your life easier and your hobby more productive, you will drop the tool before the learning curve is complete. Dont get involved in CAD just because it is discussed so much here. ![]() The bottom line is there need to be reasons. I'm gonna get killed for this response, but read it through and pick what parts fit your situation. So even back then, it was a pretty powerful program, even for 3D. If you have autocad or some knockoff, do a Time command in AutoCAD:Ĭreated: Saturday, Decemat 3:41:12:630 PM The dot at the UCS is a tower farm, the line is the line of sight for a terrestrial microwave path. It opens in PSPACE just do a MODEL command or hit the model tab, then do a Plan - Current UCS. The entire drawing is at the correct height above the ACAD world coordinate, so you can get the AMSL. The green lines are USGS topo, the grid is a 5' topo from the county (Hazelwood in Pgh). They stack 4 at a 1/4 wavelength for antenna gain (ERP). Those convoluted arms are ERI 40kW FM circular polarized antenna bays. All command line call outs and cursor keys. It was done in 1992 in AutoCAD version 10, NO MOUSE or DIGITIZER, on a 80386SX-25 with 4Meg of RAM on a 14" amber screen CRT. The following is a link to a 3D DWG file of a telecommunications tower farm located in Hazelwood, PA 45 miles to scale I recall around version 10 that they started supporting 3D surfaces. You can zoom in on the earth, then the moon, the the Sea of Tranquility and read the plaque on the Lunar Module. To show the power of Acad, the founder drew the solar system to scale (back when it still listed Pluto). I started with 2 then went to 9 back in the mid-1980s ![]()
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