slides/mongodb/geo-within-intersects-explanation.xml
$geoWithin/$geoIntersects and cells
30/39
Example with $geoWithin
$geoWithin - example
  • • Generate a covering for geometry in query
  • • Look at all points in all overlapping cells
  • • Cells may be larger or smaller than our covering
  • • Must look at cells that contain our covering
  • • Must look at cells that we contain
  • • See if documents are within or intersect our query geometry