OEGetCenterAndExtents
OEGetCenterAndExtents(sq: OEShapeQueryBase, ctr: OEFloatArray,
ext: OEFloatArray) -> None
OEGetCenterAndExtents(sq: OEShapeQueryPublic, ctr: OEFloatArray,
ext: OEFloatArray) -> None
Fills the first three values of ctr with the location of the center of sq and fills the first three values of ext with the extents.