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This page provides information on the Light Meter utility.
Overview
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The VRayLightMeter helper is an aid for evaluating how a scene is illuminated. It is intended to simulate the use of a real-life light meter used in photography and film production.
The VRayLightMeter helper is a grid placed in the scene to gather information about the lighting in the grid's location. After creating and positioning the grid and setting parameters, click Calculate to calculate the lighting. The lighting information can be displayed in the viewport as colors and text on the grid representing different levels of light, and can also be also saved in text form to a CSV file.
The information presented by the VRayLightMeter does not change or otherwise affect the lighting in the scene; it only reports on it. This helper is intended to provide information so you can make adjustments to the scene's lighting at your own discretion.
UI Path:
||V-Ray menu|| > Create > Helpers > V-Ray Light Meter
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||Command panel|| > Create tab > Helpers > VRay category > VRayLightMeter button > Click and drag in viewport
VRayLightMeter
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MaxScript Methods
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The following methods of the the VRayLightMeter object object are accessible from MaxScript.
VRayLightMeter Method | Description |
calculate() | Calculates the values along the light meter grid. |
saveCSV<filename> | Saves the values from the grid into the specified text file, in CSV (comma-separated values) format. |
Notes
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