Determines the visible sectors at a specified resolution within a collection of sectors. This method can be used
to recursively determine visible sectors: the output of one invocation can be passed as an argument to the next
dc - the current draw context
sectorSize - the granularity of sector visibility, in degrees. All visible sectors of this size are The
value must be in the range, 1 second <= sectorSize <= 180 degrees. found.
searchSectors - the sectors for which to determine visibility.
the list of visible sectors. The list will be empty if no sectors are visible.
java.lang.IllegalArgumentException - if the draw context is null, the sector size is less than or equal to zero or
the search sector list is null.