Agreed. Usually shapefiles come with a .PRJ file that defines the coordinate system. I would think something created in a GIS system in the first place would be more likely to have that file passed along than one created in a CAD environment and then exported.
----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "Mark Radabaugh" <m...@amplex.net> To: "AnimalFarm Microwave Users Group" <af@af.afmug.com> Sent: Saturday, March 9, 2019 9:00:14 AM Subject: Re: [AFMUG] fiber design and permitting You have to be very careful with your coordinate reference system. There are (literally) thousands of them. One advantage of using the county GIS data and aerials is that the aerials are (usually) corrected and in the same CRS as the SHP files. Mark On Mar 9, 2019, at 9:51 AM, Mike Hammett < af...@ics-il.net > wrote: I've often found that drawings are often wrong when projected in a GIS environment. It could be simple coincidence. ----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "Mark Radabaugh" < m...@amplex.net > To: "AnimalFarm Microwave Users Group" < af@af.afmug.com > Sent: Saturday, March 9, 2019 8:41:54 AM Subject: Re: [AFMUG] fiber design and permitting There are a number of options, none I’m completely in love with yet. In any case - start with your counties GIS department. It’s usually part of either the tax office or the engineers office and ask them for the GIS files for parcels, ROW, addresses, road centerlines, etc. Also ask for copies of the high resolution aerial images. Most will provide all of this to you for free or a nominal charge. QGIS is a fantastic GIS program and the price is right (free). It’s nearly as capable as many of the high end GIS systems these days. Where it’s somewhat lacking for making construction prints is that it’s not a CAD system so drawing on it is a bit awkward but very doable. I have made complete construction prints with it several times. A more expensive option is AutoCAD MAP 3D. The Map3D extensions to AutoCAD add the ability to work with shape files (GIS) files. If you already know AutoCAD and want to avoid the learning curve of QGIS it might be worth the software cost to you. Mark Something like this is our typical construction drawing out of GQIS: <PastedGraphic-1.png> <blockquote> On Mar 9, 2019, at 2:30 AM, TJ Trout < t...@voltbb.com > wrote: how are most of you guys getting your design on paper for pulling permits? I'm assuming if I design a plant layout on a napkin I need professional plans showing ROW location, proposed cable location, depth, streets, etc then you take that to the local building department and pull a permit? For rural plowing, do I need a drill to cross side streets and driveways or an I get away with a pneumatic missile ? -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com </blockquote> -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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