Region of Interest but keeping Aspect Ratio

[tcastudios]

You can use the TileCamera (Should be in the MaxonFolder of your ContentBrowser).
Scrub to the frame where the TileCamera is covering your area. Divide your render-
output by the amounts of "tiles per axis".
Turn off the TileCamera expression and make the Tile Camera a child of your original
camera (if it is animated). Render using the TileCamera.

Or, place a matte plane in front of your Camera with a proportional hole in it to reveal you
area.

Cheers
Lennart

[LucentDreams]

make a plane with 1x1 sements
Child the plane to you camera
Make sure it covers your whole scene
make it editable
select the polygon and do a single inner extrude
delete the inner polygon
tweak the four edges to surround the area you need to rerender
add a compositing tag to plane this way it won't be included in the alpha.
render away

[Cartesius]

make a plane with 1x1 sements
Child the plane to you camera
Make sure it covers your whole scene
make it editable
select the polygon and do a single inner extrude
delete the inner polygon
tweak the four edges to surround the area you need to rerender
add a compositing tag to plane this way it won't be included in the alpha.
render away

Kai's steps are actually all combined into a neat little XPresso you can download from my site:

http://www.cartesiuscreations.com/tutorials/render_tut/render_region.shtml

Just merge/load the scene into your own, double-click on the XPresso-tag and add your render Camera to the Render Region box and you're ready to go. I use it this all the time (and I mean all the time!).

/Anders

[georgedrakakis]

hi pixelpimp,
carteciuscreations did a wonderfull job:
render_region (http://www.cartesiuscreations.com/tutorials/render_tut/render_region.shtml)

scroll to the end for the xpresso setup
cheers,
george

edit: now i have the chance to personally thank Cartecious for this awesome xpresso,
colorize text and adding links takes time :)

[Cartesius]

edit: now i have the chance to personally thank Cartecious for this awesome xpresso,
colorize text and adding links takes time :)

You're welcome, but the real credit should go to Andy Warwick as he was the one doing the actual XPresso, I only had the idea and the concept :)

/Anders

[wesware]

To expand on Kai's (Lucentdreams) process of a childed 1x1 plane... instead of an inner extrude you can set the knife tool to "hole" and cut a mask of the shape to be rendered.

[pixelpimp]

Amesome!!! Thanks a Million!!!

[vid2k2]

After a 50 plus hour render, the client decided to add more stuff.
This "plane crop" technique works great for these types of re-renders
and cut the render time down to 8.5 for tht area. I just delete the polys
rather than extrude.

LOL, after this was done, the client decided to add even more stuff and
resulted in a whole new render ................... yup, another 50 hours.

The good part is that I had a chance to tweak stuff.

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