Over exporsure

MR_aRt · Post by **MR_aRt** » Mon Dec 04, 2006 12:49 am

When I render anything max 9 this the max2indigo script. I images are over exposed. How does f-stop realate to the image. must it always be set to around 22 to get a good image.

Another question is if i have a scene and i send it to indigo, must all the materials be indigo materials?

Thanks in advance,

Vancliff · Post by **Vancliff** » Mon Feb 19, 2007 12:21 pm

if you are rendering an exterior scene 22 fstop is too much light you should use 5,6 or 6-8. Use a shutter speed of 125-250 and ISO 100

For interior scene use shutter speed of 30 and ISO 400 the fstop can be 6-8

suvakas · Post by **suvakas** » Mon Feb 19, 2007 9:00 pm

There is no real ISO and shutter-speed implemented to Indigo yet.
I also have no clue why max2indigo renders everything so bright by default.
Try to set your F-stop to 8 and turn on Reinhard tone maping. Begin with pre and post both set to 2 and go on from there. pre is for mid-tones and post is for white tones.

Suvakas

[edit:]
Yes, all the models must have indigo material. Otherwize you'll get an error message while exporting.

[edit2:]
Eh.. a thread from december last year. Damn..I feel old.
Hey Van, from where did you find it?

filippo · Post by **filippo** » Tue Feb 20, 2007 9:13 pm

MR_aRt wrote:When I render anything max 9 this the max2indigo script. I images are over exposed. How does f-stop realate to the image. must it always be set to around 22 to get a good image.

Another question is if i have a scene and i send it to indigo, must all the materials be indigo materials?

Thanks in advance,

you can turn on the tonemmapping..
filippo

Vancliff · Post by **Vancliff** » Wed Feb 21, 2007 3:59 am

In my 3dmax9 panel MaxtoIndigo it says ISO, exposure, and there is a slider called Fstop, yours dont have it?

suvakas · Post by **suvakas** » Wed Feb 21, 2007 4:04 am

Yes i do have them, but have you ever wondered what they actually change inside xml?

They are just altering linear tone maping value.

What i meant was, that there is no REAL iso and shutter support built into indigo just yet.

Suvakas

surreal · Post by **surreal** » Wed Feb 21, 2007 5:11 am

F-stop affects the amount of light entering the lens in real life, and also affects the Depth of field, a f-stop of life 2.8 would have Lots of depth of field, and allow lots of light in, but an f-stop of 22 would have almost no depth of field and allow very little light in

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