Vray For Sketchup #1/3 - Using Light Sphere in vray for sketchup

Опубликовано: 07 Октябрь 2024
на канале: Vray For SketchUp Tutorial Tips
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Lesson #1 - 1 UI Overview    • Vray For Sketchup #1/1 -  User Interf...  
Lesson #1 - 2 Lights Plane    • Vray For Sketchup #1/2 -  Using light...  
Lesson #1 - 3 Light Sphere    • Vray For Sketchup #1/3 -  Using Light...  
Lesson #1 - 4 Spot Light    • Vray For Sketchup #1/4 -  Using Spot ...  
Lesson #1 - 5 Light IES    • Vray For Sketchup #1/5 -  Using IES L...  
Lesson #1 - 6 Light Omni    • Vray For Sketchup #1/6 -  Using Light...  
Lesson #1 - 7 Animation    • Vray For Sketchup #1/7 -  3D Animatio...  
Lesson #1 - 8 Batch Rendering    • Vray For Sketchup #1/8 -  Understandi...  
Lesson #1 - 9 Advanced VFB    • Vray For Sketchup #1/9 -  Advanced VF...  

Lesson #1    • Vray For Sketchup #1/1 -  User Interf...  
Lesson #2    • Vray For Sketchup #2/1 -   Exterior r...  
Lesson #3    • Vray For Sketchup #3/1 - Interior ren...  
Lesson #4    • Vray For Sketchup #4/1 -  Understandi...  
Lesson #5    • Vray For Sketchup #5/1 - Caustics in ...  

This extra module uses the Sphere Light to discuss the Units parameter and demonstrate how it relates to the light intensity and size. The Sphere Light is a physically accurate light source that has the shape of a sphere. It emits light in all directions equally and the light decays (loses intensity) accurately as it travels through space.

Units - this parameter determines the unit used to determine the Intensity of the light. Using different units may be necessary when we are trying to match the intensity of a virtual light source to that of a real-world light.
Default(Scalar) - this is the only mode that is not based on real world measurement units of light intensity. Instead when the Units is set to Default(Scalar) the intensity parameter directly controls the brightness of the light when it’s shape is directly visible by the camera, assuming no color/exposure corrections are applied. This means that the total amount of light emitted by the light source depends on its size - smaller lights emit less light and larger lights emit more light but the intensity of the light is a constant.
Luminous power - sets the total "amount" of light emitted in Lumens, the amount of emitted light remains constant when changing the light size. This means that if you make a light smaller it will shine brighter, in order to emit the same amount of light from a smaller area and vice versa.
Radiant power - sets the total "amount" of light emitted in Watts, the amount of emitted light remains constant when changing the light size. This means that if you make a light smaller it will shine brighter, in order to emit the same amount of light from a smaller area and vice versa.
Luminance - sets the amount of light emitted in Lumens per unit of area - larger lights emit more total light than smaller lights with the same Intensity
Radiance - sets the amount of light emitted in Watts per unit of area - larger lights emit more total light than smaller lights with the same Intensity

Tags: Sketchup vray basic, vray 3.6 tutorial basic, sketchup vray light, sketchup vray tip, trick, lesson, Omni light, Rectangle light, Spot light, Dome light, Sphere light, IES Light, Mesh light, Adjust Intensity

#Light #Sphere #vrayforsketchup