10/5/2023 0 Comments Render man blender![]() PxrPortalLight - For difficult lighting situations like indirectly lit interiors, this light along with the PxrDomeLight can be used to increase the quality and speed of your renders.PxrEnvDaylight - A daylight simulation shader where you can supply any time and location on Earth or simply place your sunlight where you like it.PxrSphereLight - For users that miss using a point light, this light can be useful to illuminate in all directions.PxrDiskLight - Great for using as an area light or in combination with filters to make a spotlight.PxrDistantLight - This light is perfect for use as a Sunlight or other distant source where light rays are nearly parallel and cover the whole scene.PxrRectLight - The rectlight is the commonly used rectangle-shaped area light.PxrDomeLight - The domelight acts as the environment light for a scene and is often mapped with a high dymanic range image (HDRI).This is inefficient and should usually be avoided but may be useful for texture mapping "lights" onto futuristic objects and panels! Emissive Surfaces - These typically use a constant bxdf or "glow" parameter to light a scene indirectly.These can make use of visibility like any other object: camera, shadow/transmission, and indirect visibility. These consume more memory since they are geometry and complex shapes may increase noise. Mesh Lights - These are great for using arbitrary shapes in lighting.Their visibility is a simple on and off for camera visibility. These provide superior memory usage, flexibility, and speed. ![]() ![]() Analytic Lights - These are the preferred choice.Note there are three main ways to light a scene:
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