If No Sort is selected, operations will be performed in the order in which the regions were created or selected.

This option sorts based on the shortest distance between regions based on the start point of the regions. This option allows you to set the sort based on the Start point.  This start point can be one of the following:

Start Point - Lower Left	Start Point - Lower Right
Start Point - Upper Left	Start Point - Upper Right

The directional sorting is performed according to the Primary and Secondary sort directions. The Primary Sort Direction (P) is defined by Start Angle (A).

The Secondary Sort Direction (S) is always perpendicular to primary direction and can be defined to go from Low to High value or from High to Low value.  In addition to this the traversal of the cutter can also be defined as either Zig (one way) or ZigZag (two ways). Refer to the dialog box images below:

Low to High, Zig Pattern	Low to High, ZigZag Pattern
High to Low, Zig Pattern	High to Low, ZigZag Pattern

These parameters allow you to sort machining regions by clusters.  A cluster is when one region is completely enclosed within the boundary of another region.  This relationship defines one cluster.  There can be multiple clusters selected for an operation and these options will sort them for machining.

Perform Clustering

Check this box to enable clustering and then select which method to use.  A cluster is when multiple regions are completely enclosed within the boundary of another region.

No Clustering

Inside/Out

Select this option to machine one complete cluster at a time starting with all of its inner regions first before machining its outer region.

Inside/Out Clustering

Outside/In

Select this option to machine one complete cluster at a time starting with its outer region before machining all of its inner regions.

Outside/In Clustering