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Viewing DWG's in a plant environment via Projector, Computer Monitor or large TV?

Posted on 2010-11-15
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Last Modified: 2012-06-21
The goal:  To allow plant operators to view DWG (Acad) drawings of the plant and processes on a large screen to give them a better view of the drawings when zooming into pipe rack layouts and other process type drawing information.

The issue:  I'm not "video guy" so therefore I do not want to make an uninformed decision.  I have searched on EE and read various threads, many of them old and am still a little fuzzy.  So I'm hoping someone hear can clear the signal up for me.

The current platform for viewing is a 19" Dell 1907FP LCD monitor.  This is too small for the viewing of the DWG files.  We run Optiplex 520's (moving to 780's) with built in Intel and using VGA cables (the 780's have DisplayPort if needed to go digital).

My search on computer screens shows me the largest one at 30" and a price that hurts if I have to purchase 20 or so.  Whereas a 47" TV is $1000.00 or less.  Most of the computer screens seem to have a sweet spot of 1920x1080 and the same seems to hold true for the TV's.  Of course the projector's all seem to be 1024x768, maybe a few were higher.  So if I'm stuck at 1920x1080 for the "best" resolution what makes a computer screen better?
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Question by:Keith-DSM
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by:Keith-DSM
ID: 34140293
point increase to attract more attention
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aleghart earned 500 total points
ID: 34140566
a 47" TV @ 1920x1080 has no more pixels than a 22" or 24" monitor with the same resolution. The only advantage is if the operator does not have corrected vision.  Far-sighted  people want bigger pixels because they do not wear corrective optics for close-up vision.  I see this all the time when people squinting to read menus or printed memos/letters.

Get a decent 22-24" monitor @ 1920x1200 (more vertical real estate).

If you are having group meetings, and need the larger pixels, then go for the big TVs.  If you need more resolution to see more detail (and you need the group viewing), then consider a 2x2 grid of 22-24" monitors. You need more video cards in the computer, but you've 4x the detail and the same price tag as a 47" screen.
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