Modeling and Multivariate Methods - SAS

Chapter 23 Plotting Surfaces 549
Plot Controls and Settings
Lights
By default, the plot has lights shining on it. There are eight control knobs on the plot for changing the
position and color of the lights. This is useful for highlighting different parts of a plot and creating contrast.
Four of the eight knobs are show below.
Figure 23.14 Control Knobs for Lights
Activated light
Right-click in border
to Reset lights
Light is off. Right-click on
knob to turn on
Right-click on a knob to turn that light on or off. More lights turned on brighten a plot, and fewer lights
darken it. Drag a knob to change the position of a light. Change the color of a light by right-clicking on the
knob. The default color is white.
Sheet or Surface Properties
If you are plotting a Sheet, points, right-click on the sheet and select Sheet Properties to reveal a dialog
for changing the sheet properties.
Figure 23.15 Sheet Properties Dialog
Surface enables you to show or hide the top or bottom of a surface. If Above only or Below only is
selected, the opposite side of the surface is darkened.
Fill Type allows you to color the surface using a solid color, or continuous or discrete gradients. If a
gradient is chosen, the Show Legend option appears when you right click on the surface.
Mesh allows you to turn on or off a surface mesh, for either the X or Y directions or both. If turned on,
the Mesh Color option is revealed allowing you to change the color.