Check this check box to flat the surface on the bottom XY plane.
Check this check box to enter a number among 0 and 100 to shift the XY panel at Z axis.
Specify the transparency of the surface.
This check box is only available when the graph source is matrixes. Check this box to make X Matrix and Y Matrix drop down list available.
With these two drop-down list, you can specify the matrix objects as X and Y matrix to plot a paramatric surface.