drawSectorAnnulus: Display a radial pie sector
Description
Displays a radial pie sector with optional annuli.
Usage
drawSectorAnnulus(angle1,angle2,radius1,radius2,col,angleinc=0.03)
Arguments
angle1,angle2
Start and end angle for the sector.
radius1,radius2
Start and end of the radial extent of the annulus.
angleinc
The angular increment to use in drawing the arcs.
Details
drawSectorAnnulus displays a single radial pie sector. It is probably
only useful when called from radial.pie.