TroikaTronix Forum: Isadora: General: stage size with projector


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stage size with projector

Lauren
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Apr 3, 2008, 10:04 AM

Post #1 of 6 (837 views)
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stage size with projector	Can't Post

Hi-

Just wondering if anyone has experienced the following issue - it has happened to me twice and I am not sure if anything can be done about it.

Basically, I have found that when projecting via Isadora - on a laptop with a DVI-video converter - I have noticed that the image size is smaller than if I am sending an image to the projector from a DVD player. If the projector has a large enough zoom it is not a problem - but I have found myself twice in a theater with a preset projector that fills the screen when projecting from DVD but not when projecting from Isadora.

I have played with the stage settings but nothing seems to make a difference. I am sending my projector to 'stage 2' at full screen - it seems to pick up the projectors resolution automatically.

Any thoughts are helpful - I am kind of thinking that this is just a function of the software but maybe I am wrong...

thanks!

skulpture
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Apr 3, 2008, 11:36 AM

Post #2 of 6 (830 views)
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Re: [Lauren] stage size with projector [In reply to]	Can't Post

Is the laptop an apple mac or PC?

Either way you might need to resize the output for the external video (the outputted stage)

Maybe try zooming in within the projector actor, change it from 100 to 120 perhaps?

Hope this helps.

An instant without duration....

www.grahamthorne.co.uk

michel
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Apr 3, 2008, 12:45 PM

Post #3 of 6 (827 views)
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Re: [Lauren] stage size with projector [In reply to]	Can't Post

If you have a mac, go to the systemsettings --> monitors and there you tick the box where it says "overscan".

Hope it helps.

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"It happens every day: information overload! Time for a reboot..."
(traditional haiku poem)

film:projekt ------------------- autodidakten

Lauren
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Apr 3, 2008, 1:06 PM

Post #4 of 6 (825 views)
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Re: [michel] stage size with projector [In reply to]	Can't Post

Thanks for the suggestion. I am on a Mac with OS 10.4.11 - under system settings-displays I don't see an "overscan" option. Am I missing it?? Is it on the main display tab?

michel
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Apr 3, 2008, 1:18 PM

Post #5 of 6 (822 views)
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Re: [Lauren] stage size with projector [In reply to]	Can't Post

You can only see it if the projector is connected to the computer, and it should be under options. But maybe the overscan option is only selectable when connecting to a TV. I can't test it myself at the moment. sorry.

----------------------------------------------------------------------------
"It happens every day: information overload! Time for a reboot..."
(traditional haiku poem)

film:projekt ------------------- autodidakten

william
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Apr 3, 2008, 4:30 PM

Post #6 of 6 (806 views)
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Re: [Lauren] stage size with projector [In reply to]	Can't Post

This sounds like it's possibly an issue with the projector, not the software. Depending upon the projector, it might have a preset for the analog RGB input. You would need to go into the projector menu and set the pixel resolution of the output. I had this issue with a Sanyo XF-46N recently. The analog RGB input wasn't using all of the horizontal pixels, and somewhere buried in the menus is an option to expand the output display.

If it's not in the projector, as per Vincere's suggestion, expanding your zoom might solve the problem. RE: overscan, this option generally only works when connecting with an RCA composite output adapter, if my memory serves me correctly. That would be another option - to use the RCA adapter instead of the VGA adapter, at a bit of resolution loss.

One last thought - it may have to do with your source file pixel aspect ratio. If you are working with square pixels instead of .9 pixels, you will see a variation like this.

Hope you solve the problem. Let us know what you discover.

(This post was edited by william on Apr 4, 2008, 4:30 PM)

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