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Poser - OFFICIAL F.A.Q (Last Updated: 2024 Nov 26 1:43 pm)



Subject: Image Based Light with AO ::Poser6::::::::test image:::::::::


Mec4D ( ) posted Tue, 22 March 2005 at 8:56 PM · edited Wed, 27 November 2024 at 8:10 AM

file_206370.jpg

I just play for couple of hours with the IBL + Ambient Occlusion and it is fantastic! I got so many excellent effect and so soft shadows, very realistic.. I made little graph for you..with a little tip, if you want that the light is very very natural from the images then set the image you use for IBL AO as a grey scale it will works better for inside scenes... The prog don't crashed in the last 4 hours and I try very hard to render very heavy scenes so I am happy with it and I don't wasted my money for sure. I will make more tests tomorrow with the new figures too but want to finish better resolution texture before..

Cath

Message edited on: 03/22/2005 21:00

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


Shadow_Fyre ( ) posted Tue, 22 March 2005 at 8:59 PM

That looks awesome, looks like it came out of a higher end renderer, IMO. Poser, you've come a long way baby! taps fingers waiting for box to arrive...


GWeb ( ) posted Tue, 22 March 2005 at 9:38 PM

Excellent renderer thats the image from P6 I have been looking for all over internet


PapaBlueMarlin ( ) posted Tue, 22 March 2005 at 10:27 PM

Very cool :) As always, you are the queen of all things poser :) Is there a place where you have to check to turn on ambient occlusion? I can't wait to play with my copy when it arrives.



Mec4D ( ) posted Tue, 22 March 2005 at 10:38 PM

in the material room you can add there the ambient occlusion to your light or figures or props, I know this function from other software.. but it works amazing in Poser6, I wonder why the promo images was so bad, you can well set it to work better and that was one thing from many why I buy poser6.. for the AO I prepare some more test and will upload about 5 min :)

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


GWeb ( ) posted Tue, 22 March 2005 at 10:41 PM

"I wonder why the promo images was so bad" Yeah I wondered that too


PapaBlueMarlin ( ) posted Tue, 22 March 2005 at 10:56 PM · edited Tue, 22 March 2005 at 10:57 PM

I tend to prefer Cath's promos/tutorials...there are some other ones out there which were less than impressive..

Message671426.jpg

Message edited on: 03/22/2005 22:57



Mec4D ( ) posted Tue, 22 March 2005 at 10:58 PM

Jeremy!!!! bad boy!!! lol

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


VisionAiry ( ) posted Tue, 22 March 2005 at 11:01 PM

WOW! Looks really great. I can't wait to see more :)


PapaBlueMarlin ( ) posted Tue, 22 March 2005 at 11:15 PM · edited Tue, 22 March 2005 at 11:20 PM

LOL :) Now, I didn't say who...

:P

Message edited on: 03/22/2005 23:20



Mec4D ( ) posted Tue, 22 March 2005 at 11:32 PM · edited Tue, 22 March 2005 at 11:37 PM

file_206373.jpg

hahaha ok :)

I made here another test with organic model of my Chester..
I am not used any special settings for the surface the model is just set to white color.
I made 2 light, first is created with a grey scale image IBLAO what allow you to keep the original colors of your textures and surface, I set the contrast of IBL to 0.90
to get more real light effect and I love the light so much, with one light you get just what you expect.. the rendering time using IBLAO is litle slower but not that slow and I like this.. the model surface get so much more details using this light.. the other render was made suing the same image but in color, so another very interesting effect.. I have here many HDRI maps that I made for Poser5 and now I can use it for P6 as a HDRI effect and not only IBL.. but more about tomorrow with human realistic renderings that I will prepare...
I hope you like the previews of the images.. it give you really nice quality but everything need own time and good eye...

Cath

Message edited on: 03/22/2005 23:37

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


DCArt ( ) posted Tue, 22 March 2005 at 11:35 PM

Those are great, Cath. As always you do fantastic work.



PapaBlueMarlin ( ) posted Tue, 22 March 2005 at 11:40 PM

Very cool :)



Mec4D ( ) posted Tue, 22 March 2005 at 11:45 PM · edited Tue, 22 March 2005 at 11:46 PM

thanks :) for real it have to simulate the Global or HDRI illumination I guess.. It was funny but how more I scaled the model how better the shading looks like, I compared the p4 frog with chester and the effect was excellent..
we got it as they promised and that is top!

Message edited on: 03/22/2005 23:46

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


GWeb ( ) posted Tue, 22 March 2005 at 11:46 PM · edited Tue, 22 March 2005 at 11:51 PM

Excellent light and shading. You are correct that it makes model looks organic with good lights. I am glad that I dont see any nasty shadow/shading like in promos!! :-)

Can you please do other test with a hi res figure with subsurface scatter?

(Can't wait to get my P6 BOX!!) grin

Message edited on: 03/22/2005 23:51


operaguy ( ) posted Tue, 22 March 2005 at 11:51 PM

Now we're cookin'. That is thrilling. Very happy to wait for human realistic render in your "own time and good eye." ::::: Opera ::::: P.S. There is nothing more common in the marketplace and even in Publishers's promo images for their own product then poor, unimaginative renders. It warps everything.


operaguy ( ) posted Tue, 22 March 2005 at 11:55 PM

Cath: >> how more I scaled the model how better the shading looks like << That's gotta be math/decimal place calculation, which means the poser default remains 'way tiny'. Whatever! I am willing to scale EVERYTHING up to get these effects. Thanks again Cath. ::::: opera :::::


uli_k ( ) posted Tue, 22 March 2005 at 11:58 PM

Hi Cath, great renders! If you prefer your light probes in greyscale, you actually don't have to modify the bitmap. You can just plug in the new HSV node (from the Math node category) between the light root node and the image map. Then reduce the Saturation parameter as desired. Same effect, but procedural and therefore quicker and much more flexible.


Mec4D ( ) posted Wed, 23 March 2005 at 12:14 AM

Thanks for the tip :) sometimes I have to do this as well, because I go to preapre the shadows and dark areas on the images self.. if they are to dark and have to much contrast you will get the strange dark shadows that are not for edit in Photoshop ;) I figured out that the creators of the IBL AO did the light setting not really in the best way.. they forgot something between.. but for now it is my little sweet secret ;) ( I have to make another tests before I explain)

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


DCArt ( ) posted Wed, 23 March 2005 at 12:15 AM

Thanks, Cath, this helps me a lot!!! Having never worked with these lighting features before it's all new to me. But your pictures helped a lot!



GWeb ( ) posted Wed, 23 March 2005 at 12:20 AM

Cath, I am all ear (@)O.O(@) Deecey now you get my point about the light. That I tried to explain in other thread. I wish I downloaded P6 to do some renderers!! Light matters in 3D.


DCArt ( ) posted Wed, 23 March 2005 at 12:22 AM · edited Wed, 23 March 2005 at 12:32 AM

ROFL!!!!! I was saying the same thing, that textures and lighting had a lot to do with it moreso than the renderer. You silly goose!!!!! 8-)

One of the reasons that I couldn't get my renders to look as good as this is because this type of lighting was VERY new to me, and I had a limited amount of time to learn it because I was focusing on a lot of the other features. I'm soaking this all in too. 8-)

It appears that Cath has worked with this type of lighting before, so she knows what to look for and what to expect. These terms ... ambient occlusion, image based lighting, GI, and HDRI are new and confusing to me, so bear with me please. I may have a LOT of questions. 8-)

Message edited on: 03/23/2005 00:32



stewer ( ) posted Wed, 23 March 2005 at 12:30 AM

Cath: >> how more I scaled the model how better the shading looks like << That's gotta be math/decimal place calculation, which means the poser default remains 'way tiny'. Not any more - P6 has the cure for the scale problem built-in. AO has a max distance parameter, instead of scaling the model you can get the very same effect by reducing the AO max distance. Click the "scene AO options" in the light's properties, there you can change the max distance.


GWeb ( ) posted Wed, 23 March 2005 at 12:33 AM · edited Wed, 23 March 2005 at 12:39 AM

Deecey

You can't get most out of 3D environment without proper light and material. Texture is just detail map nothing more. Material is essential for light reaction from property. I can make excellent looking cartoons with this renderer.

I m not silly goose. I did not get my P6 and the promos were so awful. I thought the renderer were the same in previous version. Mec4D, Cath, pushed her renderer to the limit and got most out of her new P6.

Message edited on: 03/23/2005 00:39


operaguy ( ) posted Wed, 23 March 2005 at 12:34 AM

stewer: >> Not any more - P6 has the cure for the scale problem built-in. << That's Great! Did they make the calculations go out to more decimal places or did they change the default scale of the Poser world? ::::: Opera :::::


operaguy ( ) posted Wed, 23 March 2005 at 12:36 AM

I'd like to make some foie gras, personally. ;;;og;;;


GWeb ( ) posted Wed, 23 March 2005 at 12:55 AM

Deecey, I found some information where you may learm some about lights. Global Illumination http://www.cs.kuleuven.ac.be/~phil/GI/ HDRI http://www.rendermania.com/HDRI/index.shtml IBL http://athens.ict.usc.edu/IBL2001/ AO http://www-viz.tamu.edu/students/bmoyer/617/ambocc/ Subsurface scatter http://graphics.cs.uiuc.edu/~jch/papers/gpuradsub.pdf Translucency and Subsurface Scatter http://www.neilblevins.com/cg_education/translucency/translucency.htm There are few more and I will post links later on


Mec4D ( ) posted Wed, 23 March 2005 at 12:56 AM

Thanks Stefan, that will spare my time for sure!!! and Goodmorning to you! ;)

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


DCArt ( ) posted Wed, 23 March 2005 at 12:58 AM

Thank you, GWeb! That was very nice of you.



stewer ( ) posted Wed, 23 March 2005 at 1:28 AM

Good morning Cath :) Love that dog, btw. Reminds me of "Spike" from the Tom & Jerry cartoons.


DefaultGuy ( ) posted Wed, 23 March 2005 at 2:39 AM

And good morning to all my friends in Europe and a fellow Californian! Hi Cat and Stew!!!


neurocyber ( ) posted Wed, 23 March 2005 at 4:48 AM

Ambient Occlusion? Is that raytraced?


stewer ( ) posted Wed, 23 March 2005 at 4:58 AM

Yes.


neurocyber ( ) posted Wed, 23 March 2005 at 5:18 AM

Does that mean CL could've made raytraced shadows in P5 have a "Shadow Blur Radius" with one more patch?(It grays out when Ray Trace shadows is selected)


Mec4D ( ) posted Wed, 23 March 2005 at 8:03 AM

HI DefaultGuy!!! and thanks Stefan :) have to test now the bump and textures right now.. I love the way it works with the AO, the displacement is so realistic with but have to be careful with the setting because is very sensitive and to get a grey monster is not big problem as we know already from P5:) the day is getting more and more exciting! hmmmmmm when you get your boxes in your hands!!!! lol how can you torture yourself!

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


dlfurman ( ) posted Wed, 23 March 2005 at 9:47 AM
Online Now!

Huh?!?!? Unofficial Member of BoxWaiting Club!

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Mec4D ( ) posted Wed, 23 March 2005 at 10:07 AM

lol hahahahahaha looks like :)

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


Mec4D ( ) posted Wed, 23 March 2005 at 9:50 PM

Attached Link: IBL AO with James

Ok as promised here the test for the IBL AO with James in Poser6 click the url above I hope you like Cath

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


GWeb ( ) posted Thu, 24 March 2005 at 12:58 AM

Gentlemen and Ladies, Ladies and Gentlemen, Stonemason posted very important link to an image AO with comparison to dirt and no dirt shadow. http://www.maxon.net/pages/products/c4d/r85/images/dirt_nodirt.jpg It was discussed at http://www.renderosity.com/messages.ez?ForumID=12356&Form.ShowMessage=2177495 I have made my point about nasty shadow that still exist in P6 in other thread. But Cath made good renderer and decreased nasty shadow dramtically in the images above but not completely. The left statue in the image shown in link provided has AO interacted with color tempature to balance the shading.


GWeb ( ) posted Thu, 24 March 2005 at 1:02 AM

BTW when I get my P6 and I will see what I can do with material room to do some tweaks with AO shading.


Mec4D ( ) posted Thu, 24 March 2005 at 7:39 AM

you know what, poser AO looks much better as that from maxon above... you can get cleaner if you use the option on the light that is not problem to do, but I just don't want to get to clean or it will looks the same as before.. I just playing 2 days with my dear! look the ball, there was clean and beautiful.. normal you can add AO to the figures self but this will not works :( I get strange black areas so no way.. I think my Chester above looks very clean and good with the AO

_________________________________________________________

"Surrender to what it is - Let go of what was - Have faith in what will be "


uli_k ( ) posted Thu, 24 March 2005 at 12:16 PM

Hi Cath, the strange black areas you're talking about sound like self-shadowing (the ray hits the polygon it was sent from and reports full occlusion). Modifying the Bias setting (raising it carefully) can avoid such problems. That said, using AO on the lights is the most convenient option and recommended in most cases.


byAnton ( ) posted Sun, 01 May 2005 at 3:24 PM

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