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Subject: Indigo and mixed lighting set ups.

Gog opened this issue on Jan 18, 2007 · 9 posts
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Gog ( ) posted Thu, 18 January 2007 at 5:08 AM · edited Fri, 15 November 2024 at 8:23 PM

Anyone else played with indigo here? seems pretty cool so far, but is bit gnarly trying to balance meshlights with a sunlight, find myself adjusting gains a lot in the XML to reduce the cycle time.

Any thoughts?

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.

Gog ( ) posted Thu, 18 January 2007 at 5:09 AM

BTW I'll be putting some WIPs up shortly....

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.

oodmb ( ) posted Thu, 18 January 2007 at 7:37 AM

i've played around with indigo alot, but never with that.  are you using the 7 test?  is the meshlight in camera view?  if the meshlight is in camera view then you could turn bidirectional on in indigo 6.  I have heard of this problem before,  i think your better off faking the sunlight if its an indoor scene with lighting as well as sunlight

Gog ( ) posted Thu, 18 January 2007 at 8:34 AM

Thanks, a meshlight instead of sun is one of the options I'm playing with. Haven't tried turning on bidirectional though :(

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.

oodmb ( ) posted Thu, 18 January 2007 at 9:32 AM

now that i think about it,  it makes sense that this is very tricky.  try playing with stuff like exposure time and white ballance, like in photography.  if you turn on a flashlight in full daylight, its pretty hard to see if its on or off due to its light being soo faint compared to the sun's light.

haloedrain ( ) posted Thu, 18 January 2007 at 9:48 AM

I haven't played with this much, but it seems like I can either have a meshlight or sunlight.  Having the meshlight seems to make the sun go away.

Gog ( ) posted Thu, 18 January 2007 at 11:19 AM · edited Thu, 18 January 2007 at 11:27 AM

file_365987.jpg

Depends on the gain of the sun and the meshlight :), hope you have a good text editor for that XML :)

In my scene I have a sunlight and 5 meshlights, the meshlights are in the room with the camera, there is a very large window. I have the sun at a gain of 0.05 and the meshlights at a gain of 1.5, colour temp of 20000, they just abaout show. 

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.

Gog ( ) posted Thu, 18 January 2007 at 11:28 AM

I'm playing with backing off the colour temp and upping the gain at the moment.....

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.

haloedrain ( ) posted Fri, 19 January 2007 at 12:08 AM

file_366075.jpg

Looks like just changing the Emit value can make a lot of difference too, I was using a value of 1 but the tests above are .5, .6, .7, and .8 from top to bottom.

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