Forum: Poser - OFFICIAL


Subject: Skin touching skin in Poser images...

pookah69 opened this issue on Jul 19, 2004 ยท 11 posts


pookah69 posted Mon, 19 July 2004 at 8:15 AM

Rather than comment on this each time I notice it in a gallery image, I thought I would address in the forum a common flaw I have recently been noticing a lot in the work of others as well as my own, and ask if others have found solutions: When a figure touches its own body, or the body of another figure, it often times does not look like firm contact is made. I think it has something to do with the lack of shadow (a shadow that should be a lot more subtle than shadow cast on a floor or wall), and perhaps the way that the surface doesn't "yield" to the pressure. Have others noticed, and created fixes for this?


EnglishBob posted Mon, 19 July 2004 at 8:26 AM

I think it's to do with the way that the skin doesn't deform. This also applies when sitting on hard surfaces, for example. Looking forward to Dynamic Flesh(tm) in Poser 6. :D Possible solutions include magnets, postwork, and a combination of the two.


gillbrooks posted Mon, 19 July 2004 at 8:43 AM

I notice it all the time and usually take the easy way out by correcting with a bit of burn and darken in Photoshop :)

Gill

       


SamTherapy posted Mon, 19 July 2004 at 8:48 AM

It's also to do with the way the Poser render engine handles shadows. Badly, in other words. I wouldn't have had the problem in my last pic if I'd used Firefly but Poser choked on the render. I forgot to postwork it out when I posted the image.

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stewer posted Mon, 19 July 2004 at 10:35 AM

Contact shadows - well, it's just the default settings of Poser's shadows. IMHO, the shadow bias is too high. Often, I reduce it to 0.2, sometimes 0.1. As always, adjusting the shadow lite cams will improve things a lot too.


stewer posted Mon, 19 July 2004 at 11:49 AM

Here's an example. First, default settings for the key light. Yuck.

stewer posted Mon, 19 July 2004 at 11:50 AM

Easy way out: Switch it to raytraced shadows.

stewer posted Mon, 19 July 2004 at 11:55 AM

Lower bias on the key light, shadow cam adjusted, higher shadow blur - no increase in shadow map size).

stewer posted Mon, 19 July 2004 at 12:01 PM

Higher map size of the key light, shadows turned on for the fill light (ignore the shading error on the other thigh, that's a differnt problem).

richardson posted Mon, 19 July 2004 at 12:58 PM

There's all my suffering in a nutshell! Learned that using the 3000 practice render technique. do not recommend it...Thanks Stewer!


crocodilian posted Tue, 03 August 2004 at 2:28 PM

the reason this shadow doesn't show up right in Poser is that the chief source of the effect is what's called "ambient occlusion" -- that is, the blocking of the general ambient light as your hand approaches, say, the thigh. In order to have ambient occlusion, though, you need to have a Global Illumination solution, or fake it, either with many lights, or with the --very clever!-- settings above