means regular set which attempts to capture what it means for a set of 

 set operations can be performed.

S: {(x,y,z)|x^2+y^2+z^2-1= 0
H_3: x jeffrey.yi

'''Originally Posted By: jeffrey.yi''' '''Original Date: May 12, 2014 at 3:30 PM''' Jeff Yi<br>Matt Pleva<br><br>Q7:<br>(Not sure if the below answer is complete enough.)<br>r-set means regular set which attempts to capture what it means for a set of points in 3D to define solid objects. They are used in CSG representations. An r-set is made up of halfspaces, on which regularized set operations can be performed.<br><br>S: {(x,y,z)|x^2+y^2+z^2-1= 0<br>H_3: x jeffrey.yi