## A new material

You can also create a new material. By using the command "Edit|Material|Create" this dialog box will pop up:

You will write the name you have choosen for your new material and another dialog box will appear:

This dialog box allows you to choose the color of your material by clicking "Od" and "Os".

"Od"is the diffuse color, and if you want to change the color of an object you have to change this. A dialog box will pop up to show you the colors you can choose.

"Os" is the specular color, you have to use it if you want to change the color of highlight.

The other parameters are related to other characteristics of the material as reflection, refraction and others.

For better hints, look at the Tutorial for RT File Format in "manual.wri".

You can also preview the characteristics of your material simply by clicking "preview".

The material you have created will be saved and will be a part of your library of materials.