ForewordIntroductionScopeConformanceNormative referencesTerms and definitionsAbbreviated termsArchitectureGeometry object modelOverviewGeometryDescriptionBasic methods on geometric objectsMethods for testing spatial relations between geometric objectsMethods that support spatial analysisGeometryCollectionDescriptionMethodsPointDescriptionMethodsMultiPointCurveDescriptionMethodsLineString, Line, LinearRingDescriptionMethodsMultiCurveDescriptionMethodsMultiLineStringSurfaceDescriptionMethodsPolygonDescriptionMethodsMultiSurfaceDescriptionMethodsMultiPolygonRelational operatorsBackgroundThe Dimensionally Extended Nine-Intersection Model (DE-9IM)Named spatial relationship predicates based on the DE-9IMWell-known Text Representation for GeometryComponent overviewLanguage constructsExamplesWell-known Binary Representation for GeometryComponent overviewComponent descriptionIntroductionNumeric type definitionsXDR (Big Endian) encoding of numeric typesNDR (Little Endian) encoding of numeric typesConversions between the NDR and XDR representations of WKBGeometryRelationship to other COM and CORBA data transfer protocolsDescription of WKBGeometry representationsAssertions for Well-known Binary Representation for GeometryWell-known Text Representation of Spatial Reference SystemsComponent overviewComponent descriptionThe correspondence of concepts of the common architecture with concepts of the geometry model of (informative)IntroductionGeometry modelGeometry model of SFA-CAParts of geometry model of Spatial schemaCorrespondenceOverviewGeometry typeOverviewBasic methods on geometryMethods for testing spatial relations between geometric objectsMethods that support spatial analysis“Atomic” subtypes of the Geometry typeOverviewPointCurveLineStringLinearRing and LineSurfacePolygonCollection subtypes of the Geometry typeOverviewGeometryCollectionMultiPointMultiLineStringMultiPolygonSupported spatial reference data (informative)Purpose of this annexLinear unitsAngular unitsEllipsoids and spheresGeodetic datumsPrime meridiansMap projectionsMap projection parametersBibliography