How to stop a wooden sauna wall from showing a reflection.

Hello,

I am trying to render a scene inside of a sauna, the walls are all made of wood.

The first render turned out pretty good but one thing that needs to be changed is that the walls are reflecting my character, which I don't want them to do.

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I went into the wall parameters and turned the glossy reflectivity to 0 but it didn't change anything.

What other setting do I need to change to make the wooden wall less reflective.

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I am using spot lights to light my character and would like to see shadows on the wall instead of a reflection.

I am using 3Delight to render as I do not have a nvidia card.

(quick side question, is there any other engine that uses a radeon gpu instead of cpu, that works INSIDE of daz studio? I don't want to export to blender etc.)

Comments

  • Roman_K2Roman_K2 Posts: 1,239

    I too have had trouble with Radeon. One way to handle the reflections though is to render TWICE. Make the character invisible in the first render - so all you would see is the sauna area and the walls and any lights.

    For the second render blank out the sauna and just have the character floating in space. Render as a .TIFF (TIF) image. Then load both renders into a recent image editor, eg. one which supports LAYERS. Presto you will be able to lasso the character in the 2nd render and the edges around the figure will be a null/invisible/transparent. Then all you have to do is paste the figure back into the scene. This technique also lets you make pre-assembly (post-render) changes to your levels, brightness, contrast, hue and saturation etc.

    In the attached picture of a rocket ship I did the ship and the exhaust in a similar way: separate renders, done in TIFF format and imported into Photoshop for the final assembly.

    rocket-obj-file.jpg
    1600 x 3960 - 232K
  • SixDsSixDs Posts: 2,384

    Since you are using 3Delight but are referring to a glossy reflectivity material setting, I'm guessing that the sauna is using Iray shaders. In 3Delight there are two separate settings for glossiness and reflection. I suspect that you will need to replace the Iray shaders with ones for 3Delight.

  • KitsumoKitsumo Posts: 1,215

    Whether the materials are Iray or 3dl, the glossiness settings should work. It would be better to use the correct shaders, but they'll still work. Both have multiple settings you want to look for: Specular Color, Specular Strength, Glossiness Color, Glossiness Layered Weight, Glossiness Reflectivity, Reflection Color, Reflection Strength, etc. Some of them have sliders you can turn down, others have a color you can set to black to get rid of reflections. If you want to convert an Iray material to 3dl, go in your Content Library to Shader Presets>DS Defaults>dzDefault. If you don't like the result, you can Undo it.

    Reality and Luxus use Luxrender which works with NVIDIA or AMD cards, but they require some work to get good looking images. You'd have to adjust a lot of material settings manually, but you can get good results with both. In my opinion, Reality is easier to setup, but they both seem to be less efficient with memory than Iray. I can only render about 2 clothed characters with a background, any more and it runs out of memory.

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