This page gives information about the Lighting Analysis Render Elements component in V-Ray for Grasshopper.
Overview
The V-Ray Element Lighting Analysis component provides a visual representation of the lighting intensity in the rendered frame. It maps Illuminance and Luminance information as color gradient or a grid of measured values onto the frame.
You can use only one Lighting Analysis element at a time.
Lighting Analysis render element is explained in detail on the linked page.
Input Parameters
Units (Integer) – Chooses which lighting information to be analyzed.
Luminance (cd) – Uses the Luminance of the rendered frame in candelas.
Illuminance (lx) – Uses the Illuminance of the rendered frame in lux.
Range (Domain) – Determines the value range on which the temperature gradient will be mapped to.
Scale (Integer) – Specifies how values are mapped to colors onto the frame.
Linear – The colors are mapped in a linear scale.
Logarithmic – The colors are mapped in a logarithmic scale.
Display (Integer) – 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, it uses respectively black and white.
Grid Overlay – Displays the values at distinct grid points over the frame. They use the same grading colors.
Grid (Integer) – Specifies the horizontal and vertical space in pixels between two numeric points on the grid.
Fade (Boolean) – When enabled, it fades the rendered image, so that the grid values would be more visible.
Legend (Boolean) – When enabled, shows a legend of the false colors at the bottom of the render.
Output Parameters
Element (Generic Data) – V-Ray Lighting Analysis render element.
Example
Example scenario of how to use the Lighting Analysis element.
Result in the VFB.