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dropzone7
Joined: 12 Jun 2007
Posts: 1069
Location: Charlotte, NC
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| Posted: Thu Jul 10, 2008 5:32 pm Post subject: Put a digital to good use last night. |
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I know we have discussed this before and some of you have probably even tried it. I brought home an Infocus digital projector from work last night just out of curiosity. After I got over the shock of gray blacks and screendoor at 9' wide I decided to use this thing as a tool. I had toyed with the idea of redoing my geometry for a while now because I just was not happy with it. So, I put up a grid pattern that I had downloaded from either this forum or the other and measured everything to make sure it was square to the screen. I spent the next 2 hours or so just doing my geometry using the straight lines from the projected grid pattern. I didn't even use the pattern to try and overlap my XG's test pattern as I knew that would be next to impossible, I simply used the straight lines as a good reference. I know I could have achieved similar results with string or laser levels but this just seemed easier to me. Well, I'm happy to say that I got my geometry looking better than ever and convergence was a breeze after that. I never had much of a problem with convergence, just getting the initial geometry on green looking good. I ironed out some seagull effect that had been bothering me for a while and got rid of the barrel shaped image I was seeing in my test patterns. It's not perfect but I'm happy with it for now!
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whats6x7
Joined: 04 Oct 2006
Posts: 5924
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| Posted: Thu Jul 10, 2008 8:14 pm Post subject: |
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How about a digital-crt blend? 
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perisoft
Joined: 29 Aug 2007
Posts: 2920
Location: Ithaca, NY
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| Posted: Thu Jul 10, 2008 8:50 pm Post subject: |
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I've used a digital for geometry before, and it's pretty worthwhile. The only problem I had was turning the brightness on the digital down far enough so it didn't overpower the 1271 I was using... 
I'm probably going to use the same technique when I get my HT up (soooon... I hope). With an actual flat/square screen the geometry should be a little easier than it was on the bendy-arse piece of foam I had before... 
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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dbaisey
Joined: 09 Mar 2006
Posts: 821
Location: Southern Cal LA / Seattle WA
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| Posted: Thu Jul 10, 2008 9:00 pm Post subject: |
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Drop,
I was looking over a newbies signature and thought about your post. Aloha John's sig:
'Sometimes I find it's faster to Hammer Dents into the wall to straighten out those Pesky TEST Patterns'
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Thu Jul 10, 2008 9:41 pm Post subject: Re: Put a digital to good use last night. |
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| dropzone7 wrote: | | I brought home an Infocus digital projector from work last night just out of curiosity. After I got over the shock of gray blacks and screendoor at 9' wide |
It was likely a business projector. A home theater digital looks much, much, MUCH better than the business PJs.
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Dave
A train station is where the train stops. A bus station is where the bus stops. On my desk, I have a work station....
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JustGreg
Joined: 07 Mar 2006
Posts: 3098
Location: Kenosha, WI
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| Posted: Thu Jul 10, 2008 9:52 pm Post subject: |
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| dbaisey wrote: | Drop,
I was looking over a newbies signature and thought about your post. Aloha John's sig:
'Sometimes I find it's faster to Hammer Dents into the wall to straighten out those Pesky TEST Patterns' |
 Now THAT is hilarious!
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Greg
"Is it ignorance or apathy? Hey, I don't know and I don't care!" --Jimmy Buffett
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dropzone7
Joined: 12 Jun 2007
Posts: 1069
Location: Charlotte, NC
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| Posted: Fri Jul 11, 2008 1:12 am Post subject: |
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| dbaisey wrote: | Drop,
I was looking over a newbies signature and thought about your post. Aloha John's sig:
'Sometimes I find it's faster to Hammer Dents into the wall to straighten out those Pesky TEST Patterns' |
Hey, that might just work! What if I want to change screen size though? I either need to hammer more dents or patch the ones I already made.
Doug, it's too bad you live on the left coast or too bad I live on the right one because I would love to spend an afternoon picking your brain and have you give this XG a once over. So, I have to resort to things like using a digital projector for setup. I'm struggling along!
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Gino
Joined: 22 Apr 2006
Posts: 1363
Location: Trinity Beach, AUSTRALIA
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| Posted: Fri Jul 11, 2008 6:31 am Post subject: |
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I've been doing the same on my blend. I find it easy to use the test pattern generator found somewhere on this forum and feed to each projector; that way grids can line up perfectly.
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