Recreating a lighting effect

[hughg]

A guy called Karba has made an ies generator,

http://www.3dcenter.ru/forum/index.p...pic=19113&st=0,

havent tried it out but it looks good.
Hope this helps..

HG

[tom schuelke]

Hi hughg

nice website i didnt understand anything (russian ?).

But the immages are nice i think.


Which link is the download link for the software ?

Well i ll see. i hope the explainment isnt in russian.

But many thanks


Tom

[natty]

wow this has some good possibility's to be very good .... a bit linear at the moment .... but good

[tom schuelke]

Hi natty

looks good i think. He i think we should make up another new part of this website where we could post all these nice things together.

i often search back in this forum becaus i knew here and there have been nice goodies or materials and so on.

this could be a bit better organisced. And with this nice community it could grow to a helpful thing.


tom

[natty]

yeah like a share section .. apps, mats, so on and so on

[percydaman]

wow that ies creator is just straight wicked. lets get the creating and sharing started!

[hughg]

its the 390k link.
I have look more aththat thread looks like he has improved it..

http://www.3dcenter.ru/forum/index.p...c=19113&st=105

http://karbaras.narod.ru/ies_generator3.exe

trying to download it now really damn slow..


HughG

[tom schuelke]

Hi hughg

i allready have downloaded the third version which is much improved.

works realy very nice.

so now here it allready is ´for you all with a much faster download


http://www.tom-schuelke.com/ies-gen3.exe


Tom

[hughg]

Excellent Tom Many Thanks

HughG

[Mark David]

Tom, this is very helpfull..Thanks a lot my friend

[J_Bug]

Hmmm, just wanted to ask again...

What is photometric data in laymans terms? Could it be considered the filament power and the refracted caustics of the bulb itself?

--Jon

[travistlo]

I think the photometrics are for the entire lighting fixture. That includes how it will shadow the light, casutics, etc.

Also that is a great little app. I was wondering if somone had created one of these. Now i just wish vray handles the ies files as quickly as the standard lights. What make the ies files so slow?

[RErender]

The photometric data is light intensity measured on a 3 dimensional grid. You can see these in the ies file itself.These values are ofcourse affected by the fixture itself including the caustics caused by the bulb , lens, reflectors and shadows cast by the enclosure. As far as I understand it max ies lights build a grid of point lights at the measured locations with the coresponding intensities.

[J_Bug]

That makes sense about how it works within MAX but are you sure it's the fixture and lens Wouldn't this indicate that IES files would contain color and geometry also? From my limited knowledge, as a guess, I would think it's only the globe (bulb). Another term I've read recently dealing with Photometry is density. I wonder if this refers to the final output of multiple factors so that it's something dealing with a volume?

--Jon

[RErender]

I think these examples show pretty clearly the the fixture is part of the model.

http://www.squ1.com/index.php?http:/...+created&hl=en

Maybe some day there will be ies2 with color information included, that would be cool.