It is pretty normal for this to happen on a curved screen. DCI projectors always project a
strictly rectangular picture. If you use a curved screen, a projected rectangular image
will always display with curved edges on the screen geometry. To overcome this for
presentations, a DCI projector is always set up to project over the curved bottom and top.
In addition to that, the projectors allow to introduce a curved electronic masking, so the
overprojected image can not spill over into screen masking or ceiling.
When you create a DCP with letter boxes, all your image, including the letter boxes, is
shown within the curved screen, and the 'overscan' and curved masking has no
effect. Thus you will always see the actual rectangular image displayed with the warp
introduced by the screen.
The only way to get rid of this is to always project top to bottom on this type of screen.
DCP-o-matic has no means to introduce warping or bending in it's processing pipeline.
- Carsten
Am 11.04.2018 um 16:33 schrieb james--- via DCPomatic:
Hi,
Thanks so much for the free software - I will make sure we donate towards it.
I do have a question regarding the making of DCPs - we are struggling with creating them
for a cinema. The bottom right hand side of the DCP when projected on to the screen curves
up a little.
Could this be to do with not converting the DCP into the correct ratio or the fact the
cinema has a curved screen?
For example a 1.78 ratio DCP has been made into 2.39 scope as I thought it selected them
automatically.
I hope you can help me understand.
Best,
James
Discover.film
Somerset House, Strand
London WC2R 1LA
https://discover.film
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