AEC Tech News #1945 Apr, 2007 By: Scott MacKenzie
In the world of redlining and reviewing CAD drawings without CAD software, the choices abound.
This month I'm going to talk about redline/review software and tell you what some architects and engineers have to say about it. Electronic redlining and reviewing software for CAD has been around for a while, but it has not caught on as well as I would have expected. Well, until recently, anyway.
When I first saw someone pitch the marking up of a CAD file with something other than the native CAD program, I was intrigued. I saw how easy it was to add simple redline instructions to the drawing file. The concept is based on the use of inexpensive software to graphically communicate design revisions, i.e., create markups. These files could then be viewed with software available for free to anyone.
This was cool, I thought. Any designer without good CAD skills could use this tool. It would remove the tedium of faxing 8 1/2"X11" sheets or mailing full size markup drawings to CAD operators in inconvenient locations.
By E.J. Stephens, C.J. Angus and J.A. Bryant
The rail industry now faces a fundamental challenge: how to make signaling systems more efficient. For a signaling system to work effectively, a number of different components must work together -- electrical and electronic systems, logical design and software, layout of signals and signal sighting and interaction between signals and drivers. Read more>>
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