4.26 Shadow dialog

The "Shadows dialog" function is located in the toolbar:

When this function is used, a shadow is displayed:

By pressing (R) on the "Shadows dialogue" icon, a settings window opens, in which it is possible to define several options:

The position and azimuth of the sun can be changed by moving the arrows with the mouse:

Calculate POVRay:
POVRay is an image rendering program. You need this function when you have additional light sources, reflections, transparencies, ....
This allows to create an image with a correct influence of light.