sesim
05-17-2006, 05:34 PM
someone that please can explain how to replicate this? material on the softbox fabric! tryed all translucent parameters and even normal shader with lowerd opacity but is there a better way?
View Full Version : white translucent fabric
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Mikewilson2k5
05-17-2006, 09:36 PM
depends on the frabric, but ya, do translucency, Id keep it none transparent. Maybe you could try a noise map on the transparency so that it has holes in it. If you have a specific material you are trying to replicate, i could help you.
sesim
05-18-2006, 11:27 AM
hmm here are some material that i need to now how to make!!
http://www.foto-video.ru/var/fv/storage/images/tech/news/accessories/profoto_giant_reflectors/otrazhateli_profoto/69472-1-rus-RU/otrazhateli_profoto.jpg
The silver glossy reflective mat inside the umbrella..
http://www.profoto.se/upload/img/Softbox4X6RF.jpg
And this white verry translucent fabric on the soft box!
...... my friend is a pro photografer and im some sort of hobby model! but i realy need to get those thigs right so i can replicate real studio renders! after this is set we will talk more abut the type of light to use...
http://www.foto-video.ru/var/fv/storage/images/tech/news/accessories/profoto_giant_reflectors/otrazhateli_profoto/69472-1-rus-RU/otrazhateli_profoto.jpg
The silver glossy reflective mat inside the umbrella..
http://www.profoto.se/upload/img/Softbox4X6RF.jpg
And this white verry translucent fabric on the soft box!
...... my friend is a pro photografer and im some sort of hobby model! but i realy need to get those thigs right so i can replicate real studio renders! after this is set we will talk more abut the type of light to use...
Rens
05-18-2006, 03:36 PM
Which program are you using?
sesim
05-18-2006, 05:36 PM
max8 and vray
CupOWonton
05-18-2006, 05:38 PM
Which version of Vray? Theyre all different.
Vray 1.48? Free?
Vray 1.48? Free?
sesim
05-18-2006, 11:40 PM
vray 1,47,03 not free
CupOWonton
05-19-2006, 05:38 AM
Good answer.
#1 - Those first images. Those arent translucent. Theyre reflective foil/mylar. And all you have to do for that is make a material diffuse Black, Then turn up the reflective color slot to just below white, then make it appopriately glossy with the glossy controlls.
#2 - The second image, is also not translucent. its just white. White inside, with a black outside.
#1 - Those first images. Those arent translucent. Theyre reflective foil/mylar. And all you have to do for that is make a material diffuse Black, Then turn up the reflective color slot to just below white, then make it appopriately glossy with the glossy controlls.
#2 - The second image, is also not translucent. its just white. White inside, with a black outside.
sesim
05-19-2006, 12:42 PM
Good answer.
#1 - Those first images. Those arent translucent. Theyre reflective foil/mylar. And all you have to do for that is make a material diffuse Black, Then turn up the reflective color slot to just below white, then make it appopriately glossy with the glossy controlls.
#2 - The second image, is also not translucent. its just white. White inside, with a black outside.
the second is translucent for sure! maybe thats not the right word! but when the spot inside the soft box cast light on the white fabric the light bounce once more inside the softbox umbrella to spread the light all over the fabric that makes the light soft! if the soft box was dark/black inside u should see the spot in the white fabric as a ringflash! maeby it will work and set it like i set frosted glass type?so it lets light thruu..
#1 - Those first images. Those arent translucent. Theyre reflective foil/mylar. And all you have to do for that is make a material diffuse Black, Then turn up the reflective color slot to just below white, then make it appopriately glossy with the glossy controlls.
#2 - The second image, is also not translucent. its just white. White inside, with a black outside.
the second is translucent for sure! maybe thats not the right word! but when the spot inside the soft box cast light on the white fabric the light bounce once more inside the softbox umbrella to spread the light all over the fabric that makes the light soft! if the soft box was dark/black inside u should see the spot in the white fabric as a ringflash! maeby it will work and set it like i set frosted glass type?so it lets light thruu..
Rens
05-19-2006, 07:15 PM
Yep the second image has translucency, though the sheet is not really visible in that image.
However, as for the softbox, simulating a realistic lamp, then having the light bounce off a glossy or diffuse surface and then having it go through a translucent sheet is overkill. You'll have a hard time accurately simulating that because of all the unknown factors in the materials. Your best bet would be to put a white texture on the sheet which has a bit of falloff on the sides. Then increase the incandescence of that material. If you have Final Gathering/Radiosity/Whatever enabled the sheet should become a light source.
As for the glossy material in the umbrella, hmm, I'm not sure if the light will actually scatter correctly. Try using photons and see if changing the blurriness/glossiness value will make a difference.
Look up IES lights if you want to simulate real lights.
However, as for the softbox, simulating a realistic lamp, then having the light bounce off a glossy or diffuse surface and then having it go through a translucent sheet is overkill. You'll have a hard time accurately simulating that because of all the unknown factors in the materials. Your best bet would be to put a white texture on the sheet which has a bit of falloff on the sides. Then increase the incandescence of that material. If you have Final Gathering/Radiosity/Whatever enabled the sheet should become a light source.
As for the glossy material in the umbrella, hmm, I'm not sure if the light will actually scatter correctly. Try using photons and see if changing the blurriness/glossiness value will make a difference.
Look up IES lights if you want to simulate real lights.
CupOWonton
05-19-2006, 07:55 PM
Oh, so thats a white sheet flat in front? I thought it was the insides and the image was blown out. Ok yeah, that makes more sense now.
sesim
05-20-2006, 02:08 AM
thanx all:) ye i tryed em all:( but i will figure it out!! as for ies lights ive worked quite much with em! but i will post something when im done:)
thanx again
thanx again
sesim
05-20-2006, 03:41 AM
hi! my friend that works as a photographer come home today with ther skiss of the days photoshot.:) i had to make it in 3d:) the only thing thats diff thats the photograph mobilephones and i had an old lighter model:)
http://usera.imagecave.com/sesim/backgroundlighter.jpg
sorry for big pic:)
http://usera.imagecave.com/sesim/backgroundlighter.jpg
sorry for big pic:)
SoniaNotRed
05-23-2006, 01:20 PM
I work with Max.
It seems you're trying to faithfully replicate the studio apparatus as light sources but maybe it would work better if you were to fake it. If I remember right from my days in a studio, you wont see the lamp inside the softbox except maybe if you're looking at it when it flashes - at wich point you won't be seeing much of anything anymore! :p
The fabric of a softbox is usually done with self-ilum, and (of course) cast shadows turned off.
Still, if you really want to see the bulb though it, raytrace material is the way to go.
Not only it allows you more correct translucency, you can see video post effects through it (at least that's what they say - I never tried that one myself). You could have a lens flare effect or something flashing behind it.
Hope it helps.:)
It seems you're trying to faithfully replicate the studio apparatus as light sources but maybe it would work better if you were to fake it. If I remember right from my days in a studio, you wont see the lamp inside the softbox except maybe if you're looking at it when it flashes - at wich point you won't be seeing much of anything anymore! :p
The fabric of a softbox is usually done with self-ilum, and (of course) cast shadows turned off.
Still, if you really want to see the bulb though it, raytrace material is the way to go.
Not only it allows you more correct translucency, you can see video post effects through it (at least that's what they say - I never tried that one myself). You could have a lens flare effect or something flashing behind it.
Hope it helps.:)
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