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Poser - OFFICIAL F.A.Q (Last Updated: 2024 Nov 21 6:06 am)



Subject: Getting mirrors to work


CardinalBiggles ( ) posted Wed, 25 February 2015 at 12:18 PM · edited Sat, 23 November 2024 at 7:10 AM

I've been playing with the Montespan room, and one of the walls is supposed to contain a mirror, but all I get in renders is black.  Am I supposed to do something to it to make it reflective, and if so, what?  if it's in the advanced part of the materials room can anyone who knows please use simple language as all the fancy jargon in it frightens the bejazus out of me.  Thanks!


bagginsbill ( ) posted Wed, 25 February 2015 at 12:36 PM · edited Wed, 25 February 2015 at 12:37 PM

Assuming the material is set up to do reflection already, you don't need to go in there.

Probably what is happening is you forgot to enable raytracing or you have bounces = 0 - you need to enable raytracing and have at least one bounce.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


CardinalBiggles ( ) posted Wed, 25 February 2015 at 12:42 PM

Aha!  thank you very much.  I usually enable raytracing, but I cannot recollect what, if anything, I did about bounces.  I flunked Physics....


CardinalBiggles ( ) posted Wed, 25 February 2015 at 12:50 PM

YES YES YES!  thank you very much!

I WILL get to grips with the technical stuff one day, but getting a result with that has made my day.  Thanks Bagginsbill!

Sarah


bagginsbill ( ) posted Wed, 25 February 2015 at 1:27 PM

You're welcome!


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


CardinalBiggles ( ) posted Wed, 25 February 2015 at 3:11 PM

I also read on your page about using at least 6 bounces for glass for internal reflections [that part I did pass in Physics] so I shall be happily playing with glass now...


Boni ( ) posted Wed, 25 February 2015 at 5:22 PM

Well, show us a render now! :)

Boni



"Be Hero to Yourself" -- Peter Tork


CardinalBiggles ( ) posted Wed, 25 February 2015 at 5:47 PM

Gimme a chance... I need to unzip something made of glass now to play with!  I'll have half an hour free time in the morning before I have to get mother up and feed her.


CardinalBiggles ( ) posted Fri, 27 February 2015 at 3:32 AM

Ok, I'm a little disappointed with the glass, which isn't as transparent as I'd like it.   this is the share CG freebie 'Green Vase' which is the only bit of glassware I currently have...file_c8ffe9a587b126f152ed3d89a146b445.jpY


CardinalBiggles ( ) posted Fri, 27 February 2015 at 3:42 AM

Hey, I got it, I managed to make it transparent in the advanced settings! It ain't anything to shout about, but the more I experiment the more I'll learn. I turned off the IBL as well.

file_6974ce5ac660610b44d9b9fed0ff9548.jp


seachnasaigh ( ) posted Fri, 27 February 2015 at 3:53 AM · edited Fri, 27 February 2015 at 3:56 AM

         It's lookin' pretty good, though. :)  Maybe you could screenshot your render settings and the advanced material room setup for the vase - we could tweak it.  I'd try giving it transparency falloff of 0.6 and set transparency edge to about 0.15

      I have some wine bottles which would work well - just delete/hide the wine.

     A jade tumblehome mug (delete the coffee/tea, and try to give it some light from behind to exploit subsurface scattering.

     The silver (mithril?) ewer from Galdriel's mirror would look nice as glass.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5


CardinalBiggles ( ) posted Fri, 27 February 2015 at 5:58 AM

Oh wow, thank you for those links, and for putting up such fun freestuff; and especially for the settings suggestions because I'm at the WTF?!!! stage with them.... I'll need to install the screenshot software on the computer I use for graphics, hadn't thought of it! I'm faffing around in the dark here, I'll have to print some pages of the manual out I guess!  Can't assimilate information I read on screen, too old I suppose...


bagginsbill ( ) posted Fri, 27 February 2015 at 6:36 AM

Reflections and refractions must be used (not transparency and specular) and they must obey the Fresnel equations. (Which you don't need to know - it's in the Fresnel_Blend node.)

On the left, the abomination as it loads without modification.

On the right, the way it should look.

I'm going away for the weekend so I'm not going to be able to post, but others should be able to help you find the dozens of threads I've written on this kind of material.

file_5ef059938ba799aaa845e1c2e8a762bd.jp


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


bagginsbill ( ) posted Fri, 27 February 2015 at 6:41 AM · edited Fri, 27 February 2015 at 6:41 AM


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


CardinalBiggles ( ) posted Fri, 27 February 2015 at 7:30 AM

Wonderful!  I do appreciate all the kind people who understand how this works who are ready to give tips


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