Studio lighting tests

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Doug Armand
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Studio lighting tests

Post by Doug Armand » Tue Jan 12, 2010 10:14 pm

Thought I would see if I could create some studio lights to mimic real ones used in product and such photography. These are simple meshes designed to replicate real studio lights.
So first the brolly.
WhiteBrolly.jpg
WhiteBrolly.jpg (81.92 KiB) Viewed 6387 times
Using just one brolly - material is set to diffuse white
1Brolly.jpg
1Brolly.jpg (100.29 KiB) Viewed 6395 times
Next one is Two brollies - one is emitting at half power
2Brolly.jpg
2Brolly.jpg (97.23 KiB) Viewed 6390 times
Then 2 brollies again - this time the material is a reflective metal - al.nk to simulate a shiny reflective brolly
2ReflectiveBrolly.jpg
2ReflectiveBrolly.jpg (106.73 KiB) Viewed 6393 times
This one is a large softbox
Largesoftbox.jpg
Largesoftbox.jpg (67.85 KiB) Viewed 6386 times
Largesoftboximage.jpg
Largesoftboximage.jpg (105.04 KiB) Viewed 6392 times
And finally striplights - 4 of them
Striplights.jpg
Striplights.jpg (97.94 KiB) Viewed 6384 times
Striplightsimage.jpg
Striplightsimage.jpg (95.96 KiB) Viewed 6381 times
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djegoo
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Re: Studio lighting tests

Post by djegoo » Wed Jan 13, 2010 12:32 am

I really like the softness of the shadows. Especially for the lagresoftbox one.
Really nice.

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PureSpider
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Re: Studio lighting tests

Post by PureSpider » Wed Jan 13, 2010 12:38 am

Impressive! :shock:
Are the emitters facing inside the boxes?
Would love to recreate such a setup for my studio renders 8)

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Doug Armand
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Re: Studio lighting tests

Post by Doug Armand » Wed Jan 13, 2010 1:19 am

PureSpider wrote:Impressive! :shock:
Are the emitters facing inside the boxes?
Would love to recreate such a setup for my studio renders 8)
The Softbox and striplights are just a simple box with one face given a diffuse/transparent material - all other faces are black - the lightsource, circled in red, is a simple plane with a emitter material.
LargesoftboxMesh.jpg
LargesoftboxMesh.jpg (44.34 KiB) Viewed 6297 times
The reflectors are basically half a sphere with the end face of a cylinder for the light source.
WhiteBrollyMesh.jpg
WhiteBrollyMesh.jpg (46.35 KiB) Viewed 6302 times
This method of creating a 'real' studio light gives a nice diffuse and soft light source - you can vary the softness by sizing the light emitters or increasing/decreasing distances
Doug

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Re: Studio lighting tests

Post by PureSpider » Wed Jan 13, 2010 1:38 am

So I assume the transparent material is the green face in that one screenshot (Striplights.jpg) of yours?

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Doug Armand
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Re: Studio lighting tests

Post by Doug Armand » Wed Jan 13, 2010 3:01 am

PureSpider wrote:So I assume the transparent material is the green face in that one screenshot (Striplights.jpg) of yours?
Yes thats correct - its a diffuse material with transparency on
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Stinkie
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Re: Studio lighting tests

Post by Stinkie » Wed Jan 13, 2010 9:27 am

Nice tests. Bookmarked for reference. :)

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CTZn
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Re: Studio lighting tests

Post by CTZn » Wed Jan 13, 2010 10:20 am

How about diffuse_transmitter planes... to smooth lighting I suppose ?

Great demonstration !
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Soup
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Re: Studio lighting tests

Post by Soup » Thu Feb 25, 2010 1:01 pm

(linked here from SILK thread)
Hey Doug would it be possible to get some of these scenes hosted for everyone to use? It's the kind of thing that would help people show off any little models they made. And it would be great if they were in different formats for the other supported 3d packages :)

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Borgleader
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Re: Studio lighting tests

Post by Borgleader » Thu Feb 25, 2010 1:21 pm

We could also write some sort of tutorial on building the right type of studio setup depending on exactly which effect you want. I mean...I'm sure there are ways to tweak a studio setup to make things more interesting depending on the model :)
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Doug Armand
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Re: Studio lighting tests

Post by Doug Armand » Thu Feb 25, 2010 2:24 pm

Soup wrote:(linked here from SILK thread)
Hey Doug would it be possible to get some of these scenes hosted for everyone to use? It's the kind of thing that would help people show off any little models they made. And it would be great if they were in different formats for the other supported 3d packages :)
Sure but I only have access to Blender - someone else can convert?
I'll see what I can do over the next week or so
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Borgleader
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Re: Studio lighting tests

Post by Borgleader » Thu Feb 25, 2010 2:34 pm

Or you could just give instructions on how to build each of them? I mean...then someone with another package could build a "clone"?

Looks to me like the first one is a uvsphere cut in half an duplicated, with a scaled down circle as an emitter and the bottom is a cylinder cutinhalf with the ends removed and the bottom edge extruded out. I mean its not like having the scene ready made but its buildable in 5-10 min tops?
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Doug Armand
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Re: Studio lighting tests

Post by Doug Armand » Thu Feb 25, 2010 2:44 pm

Borgleader wrote:Or you could just give instructions on how to build each of them? I mean...then someone with another package could build a "clone"?

Looks to me like the first one is a uvsphere cut in half an duplicated, with a scaled down circle as an emitter and the bottom is a cylinder cutinhalf with the ends removed and the bottom edge extruded out. I mean its not like having the scene ready made but its buildable in 5-10 min tops?
I have already done this - see this earlier post in this thread except this earlier post also has images to illustrate how :wink:
Doug Armand wrote: The Softbox and striplights are just a simple box with one face given a diffuse/transparent material - all other faces are black - the lightsource, circled in red, is a simple plane with a emitter material.
The reflectors are basically half a sphere with the end face of a cylinder for the light source.
This method of creating a 'real' studio light gives a nice diffuse and soft light source - you can vary the softness by sizing the light emitters or increasing/decreasing distances
Doug

Doug Armand

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Re: Studio lighting tests

Post by Borgleader » Fri Feb 26, 2010 12:47 am

Yes yes you described the scene with the materials for each part, I gave modeling instructions-ish :wink:
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Doug Armand
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Re: Studio lighting tests

Post by Doug Armand » Fri Feb 26, 2010 5:29 am

I've created a blender file with 3 different lights and 4 different studio light setups
Please note that this is using Blender 2.49a, Indigo V2.2.12 and Blendigo 2.2 stable - if it doesn't work for you first make sure your using at least these versions.

http://cid-dee301fc4ac2d000.skydrive.li ... etup.blend

The lights are on different layers - the pictures below show the setup and what layers are needed to be enabled for them.

SoftBox
SoftboxBlender.jpg
Layers 1+2
SoftboxBlender.jpg (13.66 KiB) Viewed 5516 times
Reflector Brolly
BrollyreflectorBlender.jpg
Layers 1+3
BrollyreflectorBlender.jpg (6.2 KiB) Viewed 5523 times
2x Reflector Brollies
2xBrollyreflector.jpg
Layers 1+3+4
2xBrollyreflector.jpg (6.43 KiB) Viewed 5518 times
Ringlight
RinglightBlender.jpg
Layers 1+5
RinglightBlender.jpg (6.05 KiB) Viewed 5517 times

In a few days I will render all the variants of this scene as well as describe how I modelled them in Blender - very easily - but too busy rendering another image atm :shock:
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