FUNCTION  fHtmCoverCircleXyz

Returns HTM cover for a circle given with cartesian vector (x,y,z), radius

Returns a table of HTMID ranges covering a circle centered at CARTESIAN @x,@y,@z within @radius arcminutes of that centerpoint
  • @x float, @y float, @z float, cartesian unit vector for point
  • @radius float, radius in arcmins
    Returns trixel table(HtmIDStart bigint, HtmIDEnd bigint)
    select * from fHtmCoverCircleXyz( 1,0,0, 1)
    see also fHtmCoverCircleEq fHtmCoverRegion
  • Input and output parameters