sketch.segment.extra
Syntax
Get/set the value stored at iin the extra variable array of segment e.
a - value stored in extra variable slot i for segment e
a - value to store in extra variable slot for segment e
sgp - a pointer to the segment
i - extra variable index to use. If not provided, index 1 is assumed.
sketch.segment.direction
sketch.segment.find
9.2.16