Apply the general purpose 3Delight Material, a “physically/visually plausible” material which uses the Cook-Torrance BSDF.Create/import some geometries - for this scene you can use the beautiful and free " Ajax 3D OBJ scan model" from Jotero.Create a new scene and select 3Delight as a main renderer in render globals.Make sure the 3Delight for Maya plugin is loaded for your version of Maya.Here are more detailed steps that take into account the pre-requisites: Render in i-Display (make sure to use the right image viewer color profile in i-Display, most likely you will need "Linear to sRGB").Values up to 16 bounces are possible and can be beneficial in complex interior setups (see relative section below). Or any other 2D texture/procedural node such as ramp etc.ģDelight features highly optimized multi-bounce path tracing global illumination with tiny performance impact on larger number of indirect illumination bounces. or, if you want to use a procedural physical sky model, use the 3Delight Sky node (which is always linear).In such case, make sure to carefully understand input file textures Color Management first (most likely you will need to set the color profile for your Maya File node holding the HDRI image as "linear"): Create an Environment node and map a HDRI image. ![]() Then, setting up IBL in 3Delight can accomplished in three simple steps: Step-by-step guide for image-based lightingįirst you should turn on "color management" in the common section of the Maya Render Globals: A pre-rendered HDR image in lat-long format: you can use the "spherical camera projection" to render a HDR rendering of your 3D set and then re-use it as environment in situation where the full 3D set is not required.Nuke) or created with ad-hoc authoring tools (such as "HDR Light Studio"). A manually crafted image, wether hand painted in an application that supports floating point data (e.g.A procedural sky texture (the Hosek & Wiklie model, used in the 3Delight Sky, provides superior quality than the Preetham model).An image captured on set by taking multiple photographic exposures and post-processed them into a single image.What image should I use as input for IBL? How HDRI alterations contributes to illumination changes? How does IBL contributes to the final image? Pre-blurring environment maps can get rid of important lighting cues in the scene. No need to pre-blur your HDRI: 3Delight can efficiently use the same image for both diffuse and specular lighting.if you are rendering a full HD frame then your ideal HDRI resolution is 3840x2160). Use a large pixel resolution for your HDRI: ideally, twice the size your render output resolution ( e.g. ![]() In 3Delight, instead, you should follow these two basic rules: by setting a "sampling resolution" number.
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