Shading Model

There are two different shading models that can be applied to the surface of an equation. Note these options will only be available if the render mode isn't wireframe.

• x-y position - This method takes four surface shading colors and puts each of the four at one corner of the equation. Then it blends the area in between them. This shading model is particularly effective when the equation is relatively flat.

• Elevation - This method takes two surface shading colors and uses the top one for high z-values and the bottom one for low z-values, and blends them for values in between. This model is great for viewing rapidly changing functions like sin and cos waves.