PostGIS

• OpenGIS “Simple Features for SQL” (SFSQL)

  • POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING, MULTIPOLYGON, GEOMETRYCOLLECTION
  • AsBinary()  Well-Known Binary
  • AsText()  Well-Known Text

• R-Tree indexler

• Veri analizi: area() length() distance() transform()

Notes: