Modo 501 Shader Inspector feature
In modo 501, the Shader Inspector provides a convenient way to debug or evaluate the light and material contributions to any pixel in the Preview Renderer.
Shader inspector
An improved Shader Inspector in the Preview Renderer is provided. It shows the evaluated value for each shader layer under the mouse along with the effect name. It also displays the light intensities reaching the point under the mouse: from global illumination and also from each light.

