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



Subject: Soft shadows?


indigone ( ) posted Wed, 11 March 2009 at 6:17 PM · edited Sat, 23 November 2024 at 12:06 AM

How do I get blurry shadows on a raytraced spotlight in Poser 7?  I read a thread recently that you should split the light into more than one light so that the raytracing does it properly, but..

What parameter do I dial to get the shadows to blur in the first place?

I really don't like sharp shadows ever, especially in a portrait, but I can't seem to do away with them.

Thank you.

Indi.


IsaoShi ( ) posted Wed, 11 March 2009 at 6:24 PM

file_425943.jpg

You mean this?

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)


pjz99 ( ) posted Wed, 11 March 2009 at 6:27 PM
indigone ( ) posted Wed, 11 March 2009 at 6:28 PM

Hmm... yes.. Thanks.

I don't seem to get a blurred shadow.  I think I've set it up to 10 before.  Is there a distance factor as well?

Let me try again, and perhaps post an image.


pjz99 ( ) posted Wed, 11 March 2009 at 7:07 PM

Be aware that with only one light, your shadows will typically look "dirty" because one light doesn't provide enough samples to do blurred shadows well.  You can get much nicer shadows if you're willing to accept longer render times, by adding more lights in a small area, simulating an area light:

http://www.renderosity.com/mod/forumpro/showthread.php?message_id=3173583&ebot_calc_page#message_3173583

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indigone ( ) posted Wed, 11 March 2009 at 8:04 PM

Quote - Be aware that with only one light, your shadows will typically look "dirty" because one light doesn't provide enough samples to do blurred shadows well.  You can get much nicer shadows if you're willing to accept longer render times, by adding more lights in a small area, simulating an area light:

http://www.renderosity.com/mod/forumpro/showthread.php?message_id=3173583&ebot_calc_page#message_3173583

Thank you.  I got some blur by moving the spotlight closer to the model, so I guess that distance does play a role.

I had read your other thread before, and I appreciate the link.  I just couldn't get any blur at all to show up, so now I can deal with the "dirty" part.

Thank you!

Indi.


pjz99 ( ) posted Thu, 12 March 2009 at 12:17 AM

Very well :)

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dphoadley ( ) posted Thu, 12 March 2009 at 2:41 AM

Also, don't forget to turn on Gamma Correction.
DPH

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ice-boy ( ) posted Thu, 12 March 2009 at 6:48 AM

Quote - Be aware that with only one light, your shadows will typically look "dirty" because one light doesn't provide enough samples to do blurred shadows well.  You can get much nicer shadows if you're willing to accept longer render times, by adding more lights in a small area, simulating an area light:

http://www.renderosity.com/mod/forumpro/showthread.php?message_id=3173583&ebot_calc_page#message_3173583

for soft blury raytraced shadows you need to have 0,2 shading rate. in close ups you will still have some pixels.

please SM give us an area light.


indigone ( ) posted Thu, 12 March 2009 at 10:06 AM

Quote - Also, don't forget to turn on Gamma Correction.
DPH

Thank you.  How do I do that without Poser Pro?  Is this a materials issue or a light issue?

Indi.


indigone ( ) posted Thu, 12 March 2009 at 10:07 AM

Quote - > Quote - Be aware that with only one light, your shadows will typically look "dirty" because one light doesn't provide enough samples to do blurred shadows well.  You can get much nicer shadows if you're willing to accept longer render times, by adding more lights in a small area, simulating an area light:

http://www.renderosity.com/mod/forumpro/showthread.php?message_id=3173583&ebot_calc_page#message_3173583

for soft blury raytraced shadows you need to have 0,2 shading rate. in close ups you will still have some pixels.

please SM give us an area light.

Exactly 0.2?  No more, no less?  And thanks.

Indi.


ice-boy ( ) posted Thu, 12 March 2009 at 10:21 AM

lower shading rate will give you better shadows. 0,2 is the lowest . you could go 0 but you must change every figure and every prop.


SSAfam1 ( ) posted Thu, 12 March 2009 at 11:28 AM

Quote - lower shading rate will give you better shadows. 0,2 is the lowest . you could go 0 but you must change every figure and every prop.

Are you saying we should lower the shadow blur radius circled uptop to 0.2? You said "shading rate". That is the shading right correct?


pjz99 ( ) posted Thu, 12 March 2009 at 11:36 AM

No, he's talking about a different setting from what you're talking about - Min Shading Rate (both render setting, and set on each actor in a scene) vs. Shadow Blur Radius/Shadow Min Bias. 

Lowering the Minimum Shading Rate (among other things) helps make procedural textures appear smoother, and also can help improve texture clarity.  The default setting is OK for speed, not OK for quality.

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indigone ( ) posted Thu, 12 March 2009 at 12:14 PM

Ok, I've found it.  On M4, though, the setting is on body parts, not the whole body.  Can I set it in the hip and will it cascade down the hierarchy?

We'll see how this goes.   Thank you again.


ice-boy ( ) posted Thu, 12 March 2009 at 1:01 PM

thats the problem. every figure has a default setting of 0,2.
if you wan to change it you need to change it for every body part. thats a lot of work.
i think 0.2 is good enough.


indigone ( ) posted Thu, 12 March 2009 at 1:17 PM

It just got good enough :)

Thanks.


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