Indigo 1.0.5

General News and accouncements regarding the Indigo render engine
Big Fan
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Post by Big Fan » Wed Jan 16, 2008 6:31 pm

:? so many buttons.. :wink: thanks Big O :D

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alexmeyer
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Post by alexmeyer » Wed Jan 16, 2008 7:07 pm

Hey, back again, testing the render_region stuff... :P

It works much nicer with linear tonemapping, but it's still only getting a small section of the specified region.

I rendered the whole scene for a minute or two (with .igi saving on), then resumed with the render_region enabled. (I'm assuming that's the way it's supposed to be used anyway...)

So, as you can see in the attached pic, the alpha has the right dimensions/position, but the region it was actually updating doesn't. If I'm not resuming, that section is just black...
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From uncyclopedia.org, on "Elephant's Dream":

"The choice of the title is highly significant, because while the movie does not feature any elephants nor dreams, no one understands what happens anyway."

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lycium
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Post by lycium » Wed Jan 16, 2008 8:40 pm

OnoSendai wrote:
lyc wrote:minor thing: you seem to be missing a clamp for the rgb values before png saving (screeny attached).

anyway, indigo now matches the output quality of my renderer; good job as always :)
d'oh, thanks for spotting that Lyc.
Do you mean that you use MN in your renderer?
kinda; for a numerical methods project last year i derived the coefficients for a fourth order spline interpolating filter that has O(h^5) convergence, so it's a small generalisation of the MN filters. one of the nice things about this procedure is that if you don't want it to be an exact interpolation spline, you have a free parameter which can be used for noise control (acts as a very selective bandpass filter, somewhat similar to the MN b-coefficient but more detail preserving).

you can see the result here (look at the top silhouette): http://lyc.deviantart.com/art/tundra-72898099

Big Fan
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Post by Big Fan » Wed Jan 16, 2008 8:54 pm

um....where does the 'splat' filter belong? :shock: :roll:
is this a system option/ renderer option ? or what...

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Camox
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Post by Camox » Wed Jan 16, 2008 10:01 pm

Thank you Ono !!! :D

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OnoSendai
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Post by OnoSendai » Wed Jan 16, 2008 10:06 pm

alexmeyer wrote:Hey, back again, testing the render_region stuff... :P

It works much nicer with linear tonemapping, but it's still only getting a small section of the specified region.

I rendered the whole scene for a minute or two (with .igi saving on), then resumed with the render_region enabled. (I'm assuming that's the way it's supposed to be used anyway...)

So, as you can see in the attached pic, the alpha has the right dimensions/position, but the region it was actually updating doesn't. If I'm not resuming, that section is just black...
Hi Alex,
actually resuming with just a particular region doesn't work (it will give incorrect results)

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OnoSendai
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Post by OnoSendai » Thu Jan 17, 2008 4:12 am

Can someone please send me a scene or tell me the settings that are causing those weird edge artifacts that Lyc was seeing? thanks.

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suvakas
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Post by suvakas » Thu Jan 17, 2008 4:32 am

I think i also got those edges with the DOF test scene. I can't 100% confirm though cause I can't run Indigo where i am at the moment.

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OnoSendai
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Post by OnoSendai » Thu Jan 17, 2008 4:40 am

Ah, nvm, got it.

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alexmeyer
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Post by alexmeyer » Thu Jan 17, 2008 4:57 am

Ono: If you could come into irc sometime, that'd be nice... :wink: It'd make it easier to have these discussions/fix these problems...

Umm... I think it was working with the resume... it looked fine to me. Either way, It won't render the entire render_region, as I said. It misses some on the top and right edges. (I even have another render [not resumed...] to prove it again if I need to)
From uncyclopedia.org, on "Elephant's Dream":

"The choice of the title is highly significant, because while the movie does not feature any elephants nor dreams, no one understands what happens anyway."

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OnoSendai
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Post by OnoSendai » Thu Jan 17, 2008 4:59 am

Replaced download link with link to new version 1.0.5.2 which fixes overflow bug (hopefully) spotted by Lyc

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alexmeyer
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Post by alexmeyer » Thu Jan 17, 2008 5:01 am

it was (hopefully) spotted by lyc? :wink:
From uncyclopedia.org, on "Elephant's Dream":

"The choice of the title is highly significant, because while the movie does not feature any elephants nor dreams, no one understands what happens anyway."

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psor
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Post by psor » Thu Jan 17, 2008 6:16 am

Seems to be fixed, thanx! ;o))


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Kram1032
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Post by Kram1032 » Thu Jan 17, 2008 10:09 am

OnoSendai wrote:...which fixes overflow bug (hopefully), spotted by Lyc
That's what he meant, alex ;)

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Kram1032
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Post by Kram1032 » Thu Jan 17, 2008 10:10 am

thanks for the fix :)

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