More > JRiver Media Center 31 for Windows
Geometry Correction Comes to New Zealand for $20
murray:
--- Quote from: FenceMan on July 11, 2023, 03:37:16 pm ---Here is what uncorrected looks like.
--- End quote ---
Correct the bend even more and see what happens you should be able to take that out. Then you might be able to zoom the picture a bit smaller from the proj.
murray:
My situation is different to most and I have an issue also.
I really need two separate settings of geometry correction for my setup, 99% of others wouldn’t as they leave their “A” lens in place permanently.
As I use a cineslide and the “Isco IIIL” lens moves in front of the proj for scope and out for 16:9, plus a curved scope screen with automated masking 4 stops.
When the “A” lens is out of the light beam for 16:9 I have distortion at the bottom of the screen as the proj is level with the top of the screen, this distortion only happens on a curved screen. A flat screen produces no distortion at the bottom using lens shift.
So I need one set of geometry correction for 16:9, and another set for scope films. This could be done with two profiles but I want to operate these two settings manually (which we cant do in MC at present) so I can build them into my commands using Command Fusion.
FenceMan:
--- Quote from: murray on July 11, 2023, 03:41:06 pm ---Correct the bend even more and see what happens you should be able to take that out. Then you might be able to zoom the picture a bit smaller from the proj.
--- End quote ---
I'm not sure you're understanding me. It's not physically possible for the software to alter the shape of the light beam, all it can do is manipulate the picture inside of the light beam. Nothing I do can make the light beam straight, all I can do is make the picture straight.
Its easier to look at the second line because then the light beam bend is out of play.
First pic is corrected second is not, you can see how the warping fixes it to perfectly straight, there is no other correction left its already straight.
jmone:
Looks fine to me. FWIW, I've a flat screen and I make sure that the edge just sits in the masking as in many setups, things will not be perfectly level and square and that is what the masking is designed to do. Also, everything outside the edges of the picture with geometry correction applied (but in the beam) should be black anyway (or as black as your display can do) and fall into the masking.
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