The preview image size.

The gamma correction.

Defines the small sample scene. At least one object has to be selected.

If the Enable wall check box is checked, a wall will be rendered behind the objects. The wall is textured with a checker pattern with the two configurable colors.

If the Enable floor check box is checked, a floor will be rendered below the objects. The floor is textured with a checker pattern with the two configurable colors.

If the Enable antialiasing check box is checked, the non-recursive antialiasing method will be used for rendering the scene. You can configure the depth and threshold values. See render modes section for a detailed description of the parameters.