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Show Us Your Iray Renders

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  • grinch2901grinch2901 Posts: 1,247
    edited December 1969

    Still working on materials and lights.

    Stockings.png
    1125 x 900 - 2M
  • kyoto kidkyoto kid Posts: 41,928
    edited December 1969

    Scott-Livingston said:
    Not fully satisfied with this (the eyes, in particular), but for the most part I think it turned out pretty well. Genesis with M4 Elite Jeremy skin; settings based on the G2M Iray defaults. Updated version of an unfinished custom character I did a while back.

    ...for some reason this makes me think of Fox Mulder. Nicely done.
  • kyoto kidkyoto kid Posts: 41,928
    edited December 1969

    barbult said:
    This uses the new Hot Dog Cart and the Iray shader presets for it that Hole posted to ShareCG. The lighting is just Sun-Sky Only.

    ...great, I love it.
  • kyoto kidkyoto kid Posts: 41,928
    edited December 1969

    Skiriki said:
    So I've been working on learning things from ground up, after, ah, persuading Significant Otter to get me a new GPU.

    Today, I spent about six hours wondering what I'm doing wrong, and I still don't know what went wrong, but I finally got my scene rendered when I started it from ground up again. FML.

    So here are the results:

    Found a reasonable skin preset for my character, check.

    Managed to create a hair preset that looks presentable, check.

    Learned something about metals and gemstone presets, check.

    Learned that it is not normal for this render to try and render it for nine hours, while stuck at iteration 5, check.

    Blue sky background is Photoshop, as is a trail of hot angel dust, plus top row image placement.

    I can haz a new toy, CHECK!


    ..I love it.

    New Avatar perhaps?

  • SpitSpit Posts: 2,342
    edited December 1969

    Slosh said:
    Here is some of my playing about with skin and hair and lighting

    I know this is a few pages back but the skin on your fairy is kissing-fingers wonderful and I just had to say so! And her expression is so Brittany Murphy. A total delight.

  • Rashad CarterRashad Carter Posts: 1,830
    edited December 1969

    dinopt said:
    I rendered out the same scene with iray and 3delight for comparisons

    I like Gen2Female much better in the Iray Render.
    Gen2Male somehow looks better in the 3Delight render.

    No Postwork other than adding the BG and Text.

    Iray:
    HDRI Environment map
    Draw Dome - Off
    Added 3 PhotoPoint Lights to Gen2F for Rim Lighting
    Replaced all shaders to Iray Uber Base

    Render Time was over 30 minutes, I walked away from my desk so I'm not sure the total time.

    3 Delight:
    1 Spotlight set to 500% as The Backlight(Main LightSource) to match the one in the BG with Ray Traced Shadows.
    1 Distant Light set to 50% as a Rear Bounce light
    2 Distant Lights set to 20% as front bounce lights
    Uberbase2 > occlusion w/soft shadows - Intensity at 40% - Shading Rate 2

    Render time was less than 3 minutes

    Something is off here, not quite right. I wouldnt put too much confidence just yet in the render times because right now the scenes are not lit similarly at all. The Iray version shows the key light coming from behind. The woman's front is more or less in shadow. But in the 3Delight version, there appears to be a key light placed in front of her. When benchmark testing render times and quality I think it best to leave as many parameters unchanged between the competing engines as possible. If the two renders cannot even agree on where the light is coming from, then we shouldnt compare them.

    There was a bug that caused an hdri to be rotated 35 degrees in the wrong direction. I do not know if this bug was ever fixed, but if not it would explain why the lighting looks as it does in the 3Delight version. I'd say maybe give the render another try but see if you can adjust the hdri's so that the light matches better.

    Really compelling study. Please do keep it up.

  • nemesis10nemesis10 Posts: 3,819
    edited December 1969

    A little bit of obvious post work with the splashes but...

    surfing2.jpg
    1638 x 1244 - 249K
  • PschelfhPschelfh Posts: 261
    edited December 1969

    My quest for human skin continues...

    Skin_test_ok2.jpg
    1333 x 2000 - 1M
  • IppotamusIppotamus Posts: 1,580
    edited December 1969

    8eos8 said:
    ACross said:
    - Create a new DistantLight, then view the scene through that DistantLight as you would through a camera.
    - In the Scene tab, select your figure.
    - Back in the main viewport, click on the "+" icon (in a "box" below the magnifying glass icon.)
    - Now use the Cube to move around the figure until you are looking at her back.
    - Adjust placement until the light is just a little higher than the ground plane.
    - Go back to your camera view.
    - In the Lights tab, select your DistantLight and set "Visible in Render" and "Visible" both to Off.
    - Go to Environment in your Render Settings.
    - Look for SS Sun Node and select your DistantLight.
    - You can also try setting SS Scale Physical Sun to off, see how that affects your scene.

    If the angle of the shadow appears off, try adjusting your DistantLight as you did initially.

    (This is the only way I've been successful, so far, controlling the location of the sun!)

    I found an easier way :D
    (though this only works if the sun is in the scene and you've already rendered a backdrop)

    - Add a null object and put it where the sun is on the backdrop
    - Set the SS Sun Node to the null object

    I looked through the sun-sky docs and after some fiddling, I got this 1st image using SS Blue-Red Tint=0.4 and SS RGB Unit Conversion=0.318, which gives the shadow and about the right color and amount of lighting for the figure for this scene. But it looks like in sun-sky mode it won't use an environment map anymore, so the environmental reflections on her skin and dress are lost. So then I took this image and used it as a backdrop for the final render in Dome and Scene mode. Now the orange reflections are back and there's a proper shadow too. *whew*

    Wow!!!
    8eos8 and ACross, I can not thank you enough for jumping in there and taking a look.
    That is just great. After playing hours with photometric light and getting nowhere ... someone pointed me back here. :)
    Can't wait to jump back in there!
    Will post an update when I get it applied. ;)

  • thomasbrandy2875019177thomasbrandy2875019177 Posts: 61
    edited December 1969

    Some tutorials about iray in Cinema4D
    https://vimeo.com/channels/575815

  • Scott LivingstonScott Livingston Posts: 4,348
    edited December 1969

    Kyoto Kid said:
    Scott-Livingston said:
    Not fully satisfied with this (the eyes, in particular), but for the most part I think it turned out pretty well. Genesis with M4 Elite Jeremy skin; settings based on the G2M Iray defaults. Updated version of an unfinished custom character I did a while back.

    ...for some reason this makes me think of Fox Mulder. Nicely done.
    Thank you! Yes, that's who it is supposed to be.
  • Scott LivingstonScott Livingston Posts: 4,348
    edited December 1969

    peter.schelfhout said:
    My quest for human skin continues...

    That's looking great! Very nice work. The only thing that strikes me as odd is that little reflection above his ear.
  • PschelfhPschelfh Posts: 261
    edited December 1969

    Scott-Livingston said:
    peter.schelfhout said:
    My quest for human skin continues...

    That's looking great! Very nice work. The only thing that strikes me as odd is that little reflection above his ear.

    Thanks! That's from the back light (used to accent the translucency of the ears). Maybe I should have used a mesh light instead of photometric for softer lighting.

    Peter.

  • Oso3DOso3D Posts: 15,088
    edited December 1969

    Peter, what kind of texture are you using? Man.

  • KatherineKatherine Posts: 330
    edited December 1969

    peter.schelfhout said:
    My quest for human skin continues...

    Looks really good. :)

    Kat

  • Oso3DOso3D Posts: 15,088
    edited December 1969

    Question about lighting: I have a lot of very hot overhead lights (very institutional). White/blueish lights are going to wash out skin tones, right? Any tips on compensating?

  • IppotamusIppotamus Posts: 1,580
    edited December 1969

    Dance of fLight
    (Now with 90% more shadow)

    danceoflightfinal.jpg
    1600 x 989 - 500K
  • JabbaJabba Posts: 1,461
    edited December 1969

    Monique 6 test for healthy looking skin, so moist & shiny was my aim (I did a levels adjust in post to get more depth to shadows)...

    Monique6_Iray_Test.jpg
    835 x 1080 - 764K
  • Oso3DOso3D Posts: 15,088
    edited March 2015

    I need help with this one. The overhead lights are hot and blue-ish, and she's lit mostly from the back and sides, softly.

    I THINK that's not doing well to make the model pop.

    (The hair is a mess, but until the transmap intersection bug is fixed there's only so much I can do -- I tried to fake it a little with translucency, but eh)

    Advice on improving things?

    (Edit: Trying out a cooler/neutral tone light, which seems to help a bit. I still think I might need to add some sort of spot to bring out more details, though)

    Luy_reflecting.jpg
    1748 x 1080 - 2M
    Post edited by Oso3D on
  • MusicplayerMusicplayer Posts: 515
    edited December 1969

    I cannot claim this to be truly photorealistic, but I am pleased with the result. The base model is Brodie 6 with Jayce skin texture map.
    I tried getting some realism to the eyes using the water-thin shader, from methods described in this thread, but need a lot more practice, and further instruction. The eyes are from the model Brandon. http://www.daz3d.com/brandon
    Five photometric spotlights were used in this render, and a real sky photograph taken by myself, dropped into the Environment Map.

    Cheers :-)

    Brodie_6_with_Jayce_skin_texture.png
    1168 x 808 - 1M
  • j cadej cade Posts: 2,310
    edited December 1969

    timmins.william said:
    I need help with this one. The overhead lights are hot and blue-ish, and she's lit mostly from the back and sides, softly.

    I THINK that's not doing well to make the model pop.

    (The hair is a mess, but until the transmap intersection bug is fixed there's only so much I can do -- I tried to fake it a little with translucency, but eh)

    Advice on improving things?

    (Edit: Trying out a cooler/neutral tone light, which seems to help a bit. I still think I might need to add some sort of spot to bring out more details, though)

    2 things. She's wearing the same color as the background, which makes her blend in, unless there is a specific story reason for her to be matching the wall I would change the color of her shirt.

    The background is much more bright and intense that her, There appears to be a light coming from behind and to the right of her, But it looks like its effecting the wall more,

    I'd probably also add some rim lighting (point a spotlight at her from the back either slightly to the left or right and crank up the lumens) which would thoroughly separate her from the background

  • KatherineKatherine Posts: 330
    edited March 2015

    Kamion99 said:
    timmins.william said:
    I need help with this one. The overhead lights are hot and blue-ish, and she's lit mostly from the back and sides, softly.

    I THINK that's not doing well to make the model pop.

    (The hair is a mess, but until the transmap intersection bug is fixed there's only so much I can do -- I tried to fake it a little with translucency, but eh)

    Advice on improving things?

    (Edit: Trying out a cooler/neutral tone light, which seems to help a bit. I still think I might need to add some sort of spot to bring out more details, though)

    2 things. She's wearing the same color as the background, which makes her blend in, unless there is a specific story reason for her to be matching the wall I would change the color of her shirt.

    The background is much more bright and intense that her, There appears to be a light coming from behind and to the right of her, But it looks like its effecting the wall more,

    I'd probably also add some rim lighting (point a spotlight at her from the back either slightly to the left or right and crank up the lumens) which would thoroughly separate her from the background

    Very good pointers here. :) Add to that you may need to adjust the fit of the hair a bit. The transparency issue really isn't affecting hair. It affects more plants, grass, forests etc where you have a multitude of planes intersecting. Also apply the Iray Uber shader (Hold CRTL and click) so you can make sure the transmap is in the Cutout property correctly.

    For the light, you can also check the Tips thread. There are a bunch of good bits of advise there on making adjustments in Render Settings > Tone Mapping, that might help as well. :) Especially the ones on lighting interiors.

    There is a bunch to learn. I am really glad to see people helping each other out.

    Kat

    Post edited by Katherine on
  • Oso3DOso3D Posts: 15,088
    edited December 1969

    There is a story reason (Cobalt Vanguard wears lots of blue uniforms, lots of blue fashion), but I can make the walls dimmer/less saturated.

    And yeah, rim light. Hmm.
    Thanks!

  • Oso3DOso3D Posts: 15,088
    edited December 1969

    Kat, the transmaps on the hair caused the system to lock up every single time. I'll give it another attempt, but... yeah.

    There are three different hair objects. I converted all to Iray base. Machine locked up any time I used Cutout on more than one of them.

  • KatherineKatherine Posts: 330
    edited December 1969

    timmins.william said:
    Kat, the transmaps on the hair caused the system to lock up every single time. I'll give it another attempt, but... yeah.

    There are three different hair objects. I converted all to Iray base. Machine locked up any time I used Cutout on more than one of them.

    Which ones are you using? I'll give them a try here as well. :)

    Kat

  • Oso3DOso3D Posts: 15,088
    edited December 1969

    Well flux me.

    Ok, looks like I got confused with a different bug and it DOES, in fact, work fine. Thanks for prompting me to double-check!

    Much better render baking...

  • Pennes From HeavenPennes From Heaven Posts: 174
    edited March 2015

    This is best viewed full size. I used YosemiteHdr from DimensionTheory in the environment and pumped up the ground shadows a bit. One photometric spot and 12 minutes later, this is what I came up with. My system is an iMac 3.4 GHz Intel Core i5 with 32 gb ram and NVIDIA GeForce GTX 780M 4096 MB.
    I love that even when using 3Delight rendering my renders are getting complete in record time for me.

    My first experiment and I can see myself using iray quite a bit.

    YosemiteIrayExperiment.jpg
    1741 x 1134 - 678K
    Post edited by Pennes From Heaven on
  • kyoto kidkyoto kid Posts: 41,928
    edited December 1969

    peter.schelfhout said:
    My quest for human skin continues...

    ...wow, looking really good. Are you using the Iray skin shader?
  • kyoto kidkyoto kid Posts: 41,928
    edited December 1969

    dollmommy said:
    This is best viewed full size. I used YosemiteHdr from DimensionTheory in the environment and pumped up the ground shadows a bit. One photometric spot and 12 minutes later, this is what I came up with. My system is an iMac 3.4 GHz Intel Core i5 with 32 gb ram and NVIDIA GeForce GTX 780M 4096 MB.
    I love that even when using 3Delight rendering my renders are getting complete in record time for me.

    My first experiment and I can see myself using iray quite a bit.


    ...looks really nice.
  • PschelfhPschelfh Posts: 261
    edited March 2015

    timmins.william said:
    Peter, what kind of texture are you using? Man.

    It's the G2M Iray shader, but I tweaked it a bit (mostly more translucency, SSS, reflectivity.

    I think the most important part is the lights : I start with only a photometric at the back so I can 'tune' the translucency of the ears. Than add a meshlight (I had from Reality), this gives softer shadows and less specularity to the skin than a photometric spotlight.
    Than I add a HDRI (Redspec).

    I also tweaked the eye materials a lot (sclera, tear, iris,...) to add more refraction and reflectivity (top coat weight).

    Peter.

    BTW : the base character was https://www.daz3d.com/hector-for-gianni-6 + M6 HD.

    Post edited by Pschelfh on
This discussion has been closed.