VrayVFB VRayVFB – When enabled, the render element appears in the V-Ray Virtual Frame Buffer.
Quantity – Chooses which lighting information to be analyzed.
Illuminance (lx) – Uses the Illuminance of the rendered frame in lux. Luminance (cd) – Uses the Luminance of the rendered frame in candelas.
Min value – Specifies which values are mapped to blue.
Max value – Specifies which values are mapped to red.
Scale – Specifies how values are mapped to colors onto the frame.
Linear – The colors are mapped in linear scale.
Logarithmic – The colors are mapped in logarithmic scale.
Display – Specifies the analyzed data display mode.
False colors – Fills the frame with a gradient ranging from blue (low values) to red (high values). For the out of range values uses respectively black and white. Grid overlay – Displays the values at distinct grid points over the frame. They use the same grading colors.
Grid horizontal/vertical spacing – Specifies the horizontal/vertical space in pixels between two numeric points on the grid.
Fade background image – (active only if Display is in Grid overlay mode) When enabled, it fades the rendered image, so that the grid values would be more visible.
Draw legend – When enabled, shows a legend of the false colors at the bottom of the render.
Update button – Updates the mapped information over the frame if the parameters are changed. V-Ray Frame Buffer must be used for the updates to have effect.
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width
5%
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width
35%
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Example
This example shows the False Colors and Grid Overlay Display modes.
