mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-23 16:42:35 +00:00
Document ISO WKT/WKB (#1451)
git-svn-id: http://svn.osgeo.org/postgis/trunk@10313 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Paul Ramsey
parent
f7b8e2c640
commit
6e99b107ac
403
doc/bnf-wkb.txt
Normal file
403
doc/bnf-wkb.txt
Normal file
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@ -0,0 +1,403 @@
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<well-known binary representation> ::=
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<well-knownzm binary representation> |
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<well-knownz binary representation> |
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<well-knownm binary representation> |
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<well-known2d binary representation>
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<well-knownzm binary representation> ::=
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<pointzm binary representation> |
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<curvezm binary representation> |
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<surfacezm binary representation> |
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<collectionzm binary representation>
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<well-knownz binary representation> ::=
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<pointz binary representation> |
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<curvez binary representation> |
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<surfacez binary representation> |
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<collectionz binary representation>
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<well-knownm binary representation> ::=
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<pointm binary representation> |
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<curvem binary representation> |
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<surfacem binary representation> |
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<collectionm binary representation>
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<well-known2d binary representation> ::=
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<point binary representation> |
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<curve binary representation> |
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<surface binary representation> |
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<collection binary representation>
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<pointzm binary representation> ::=
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<byte order> <wkbpointzm> <wkbpointzm binary>
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<pointz binary representation> ::=
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<byte order> <wkbpointz> <wkbpointz binary>
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<pointm binary representation> ::=
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<byte order> <wkbpointm> <wkbpointm binary>
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<point binary representation> ::=
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<byte order> <wkbpoint> <wkbpoint binary>
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<curvezm binary representation> ::=
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<linestringzm binary representation> |
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<circularstringzm binary representation> |
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<compoundcurvezm binary representation>
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<curvez binary representation> ::=
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<linestringz binary representation> |
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<circularstringz binary representation> |
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<compoundcurvez binary representation>
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<curvem binary representation> ::=
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<linestringm binary representation> |
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<circularstringm binary representation> |
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<compoundcurvem binary representation>
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<curve binary representation> ::=
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<linestring binary representation> |
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<circularstring binary representation> |
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<compoundcurve binary representation>
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<linestringzm binary representation> ::=
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<byte order> <wkblinestringzm> <num> <wkbpointzm binary>
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<linestringz binary representation> ::=
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<byte order> <wkblinestringz> <num> <wkbpointz binary>
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<linestringm binary representation> ::=
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<byte order> <wkblinestringm> <num> <wkbpointm binary>
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<linestring binary representation> ::=
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<byte order> <wkblinestring> <num> <wkbpoint binary>
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<circularstringzm binary representation> ::=
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<byte order> <wkbcircularstringzm> <num> <wkbpointzm binary>
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<circularstringz binary representation> ::=
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<byte order> <wkbcircularstringz> <num> <wkbpointz binary>
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<circularstringm binary representation> ::=
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<byte order> <wkbcircularstringm> <num> <wkbpointm binary>
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<circularstring binary representation> ::=
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<byte order> <wkbcircularstring> <num> <wkbpoint binary>
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<compoundcurvezm binary representation> ::=
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<byte order> <wkbcompoundcurvezm> <num> <wkbcurvezm binary>
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<compoundcurvez binary representation> ::=
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<byte order> <wkbcompoundcurvez> <num> <wkbcurvez binary>
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<compoundcurvem binary representation> ::=
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<byte order> <wkbcompoundcurvem> <num> <wkbcurvem binary>
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<compoundcurve binary representation> ::=
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<byte order> <wkbcompoundcurve> <num> <wkbcurve binary>
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<surfacezm binary representation> ::=
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<curvezmpolygonzm binary representation>
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<surfacez binary representation> ::=
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<curvepolygonz binary representation>
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<surfacem binary representation> ::=
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<curvepolygonm binary representation>
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<surface binary representation> ::=
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<curvepolygon binary representation>
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<curvepolygonzm binary representation> ::=
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<byte order> <wkbcurvepolygonzm> <num> <wkbringzm binary> |
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<polygonzm binary representation> |
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<trianglezm binary representation>
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<curvepolygonz binary representation> ::=
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<byte order> <wkbcurvepolygonz> <num> <wkbringz binary> |
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<polygonz binary representation> |
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<trianglez binary representation>
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<curvepolygonm binary representation> ::=
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<byte order> <wkbcurvepolygonm> <num> <wkbringm binary> |
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<polygonm binary representation> |
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<trianglem binary representation>
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<curvepolygon binary representation> ::=
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<byte order> <wkbcurvepolygon> <num> <wkbring binary> |
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<polygon binary representation> |
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<triangle binary representation>
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<polygonzm binary representation> ::=
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<byte order> <wkbpolygonzm> <num> <wkblinearringzm binary>
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<polygonz binary representation> ::=
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<byte order> <wkbpolygonz> <num> <wkblinearringz binary>
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<polygonm binary representation> ::=
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<byte order> <wkbpolygonm> <num> <wkblinearringm binary>
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<polygon binary representation> ::=
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<byte order> <wkbpolygon> <num> <wkblinearring binary>
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<trianglezm binary representation> ::=
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<byte order> <wkbtrianglezm> <num> <wkblinearringzm binary>
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<trianglem binary representation> ::=
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<byte order> <wkbtrianglem> <num> <wkblinearringm binary>
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<trianglez binary representation> ::=
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<byte order> <wkbtrianglez> <num> <wkblinearringz binary>
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<triangle binary representation> ::=
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<byte order> <wkbtriangle> <num> <wkblinearring binary>
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<collectionzm binary representation> ::=
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<multipointzm binary representation> |
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<multicurvezm binary representation> |
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<multisurfacezm binary representation> |
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<geometrycollectionzm binary representation>
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<collectionz binary representation> ::=
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<multipointz binary representation> |
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<multicurvez binary representation> |
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<multisurfacez binary representation> |
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<geometrycollectionz binary representation>
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<collectionm binary representation> ::=
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<multipointm binary representation> |
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<multicurvem binary representation> |
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<multisurfacem binary representation> |
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<geometrycollectionm binary representation>
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<collection binary representation> ::=
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<multipoint binary representation> |
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<multicurve binary representation> |
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<multisurface binary representation> |
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<geometrycollection binary representation>
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<multipointzm binary representation> ::=
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<byte order> <wkbmultipointzm> <num> <pointzm binary representation>
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<multipointz binary representation> ::=
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<byte order> <wkbmultipointz> <num> <pointz binary representation>
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<multipointm binary representation> ::=
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<byte order> <wkbmultipointm> <num> <pointm binary representation>
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<multipoint binary representation> ::=
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<byte order> <wkbmultipoint> <num> <point binary representation>
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<multicurvezm binary representation> ::=
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<byte order> <wkbmulticurvezm> <num> <curvezm binary representation> |
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<multilinestringzm binary representation>
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<multicurvez binary representation> ::=
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<byte order> <wkbmulticurvez> <num> <curvez binary representation> |
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<multilinestringz binary representation>
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<multicurvem binary representation> ::=
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<byte order> <wkbmulticurvem> <num> <curvem binary representation> |
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<multilinestringm binary representation>
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<multicurve binary representation> ::=
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<byte order> <wkbmulticurve> <num> <curve binary representation> |
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<multilinestring binary representation>
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<multilinestringzm binary representation> ::=
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<byte order> <wkbmultilinestringzm> <num> <linestringzm binary representation>
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<multilinestringz binary representation> ::=
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<byte order> <wkbmultilinestringz> <num> <linestringz binary representation>
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<multilinestringm binary representation> ::=
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<byte order> <wkbmultilinestringm> <num> <linestringm binary representation>
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<multilinestring binary representation> ::=
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<byte order> <wkbmultilinestring> <num> <linestring binary representation>
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<multisurfacezm binary representation> ::=
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<byte order> <wkbmultisurfacezm> <num> <surfacezm binary representation> |
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<multipolygonzm binary representation> |
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<tinzm binary representation>
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<multisurfacez binary representation> ::=
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<byte order> <wkbmultisurfacez> <num> <surfacez binary representation> |
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<multipolygonz binary representation> |
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<tinz binary representation>
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<multisurfacem binary representation> ::=
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<byte order> <wkbmultisurfacem> <num> <surfacem binary representation> |
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<multipolygonm binary representation> |
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<tinm binary representation>
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<multisurface binary representation> ::=
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<byte order> <wkbmultisurface> <num> <surface binary representation> |
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<multipolygon binary representation> |
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<tin binary representation>
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<multipolygonzm binary representation> ::=
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<byte order> <wkbmultipolygonzm> <num> <polygonzm binary representation>
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<multipolygonz binary representation> ::=
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<byte order> <wkbmultipolygonz> <num> <polygonz binary representation>
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<multipolygonm binary representation> ::=
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<byte order> <wkbmultipolygonm> <num> <polygonm binary representation>
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<multipolygon binary representation> ::=
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<byte order> <wkbmultipolygon> <num> <polygon binary representation>
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<polyhedralsurfacezm binary representation> ::=
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<byte order> <wkbpolyhedralsurfacezm> <num> <polygonzm binary representation>
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<polyhedralsurfacez binary representation> ::=
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<byte order> <wkbpolyhedralsurfacez> <num> <polygonz binary representation>
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<polyhedralsurfacem binary representation> ::=
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<byte order> <wkbpolyhedralsurfacem> <num> <polygonm binary representation>
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<polyhedralsurface binary representation> ::=
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<byte order> <wkbpolyhedralsurface> <num> <polygon binary representation>
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<tinzm binary representation> ::=
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<byte order> <wkbtinzm> <num> <trianglezm binary representation>
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<tinz binary representation> ::=
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<byte order> <wkbtinz> <num> <trianglez binary representation>
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<tinm binary representation> ::=
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<byte order> <wkbtinm> <num> <trianglem binary representation>
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<tin binary representation> ::=
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<byte order> <wkbtin> <num> <triangle binary representation>
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<geometrycollectionzm binary representation> ::=
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<byte order> <wkbgeometrycollectionzm> <num> <well-knownzm binary representation>
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<geometrycollectionz binary representation> ::=
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<byte order> <wkbgeometrycollectionz> <num> <well-knownz binary representation>
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<geometrycollectionm binary representation> ::=
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<byte order> <wkbgeometrycollectionm> <num> <well-knownm binary representation>
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<geometrycollection binary representation> ::=
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<byte order> <wkbgeometrycollection> <num> <well-known binary representation>
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<wkbcurvezm binary> ::=
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<linestringzm binary representation> |
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<circularstringzm binary representation>
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<wkbcurvez binary> ::=
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<linestringz binary representation> |
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<circularstringz binary representation>
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<wkbcurvem binary> ::=
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<linestringm binary representation> |
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<circularstringm binary representation>
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<wkbcurve binary> ::=
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<linestring binary representation> |
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<circularstring binary representation>
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<wkbringzm binary> ::=
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<linestringzm binary representation> |
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<circularstringzm binary representation> |
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<compoundcurvezm binary representation>
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<wkbringz binary> ::=
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<linestringz binary representation> |
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<circularstringz binary representation> |
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<compoundcurvez binary representation>
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<wkbringm binary> ::=
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<linestringm binary representation> |
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<circularstringm binary representation> |
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<compoundcurvem binary representation>
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<wkbring binary> ::=
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<linestring binary representation> |
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<circularstring binary representation> |
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<compoundcurve binary representation>
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<wkbpointzm binary> ::= <wkbx> <wkby> <wkbz> <wkbm>
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<wkbpointz binary> ::= <wkbx> <wkby> <wkbz>
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<wkbpointm binary> ::= <wkbx> <wkby> <wkbm>
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<wkbpoint binary> ::= <wkbx> <wkby>
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<wkbx> ::= <double>
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<wkby> ::= <double>
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<wkbz> ::= <double>
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<wkbm> ::= <double>
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<num> ::= <uint32>
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<wkblinearringzm> ::= <num> <wkbpointzm binary>...
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<wkblinearringz> ::= <num> <wkbpointz binary>...
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<wkblinearringm> ::= <num> <wkbpointm binary>...
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<wkblinearring> ::= <num> <wkbpoint binary>...
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<wkbpointzm> ::= 3001
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<wkbpointm> ::= 2001
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<wkbpointz> ::= 1001
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<wkbpoint> ::= 1
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<wkblinestringzm> ::= 3002
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<wkblinestringm> ::= 2002
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<wkblinestringz> ::= 1002
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<wkblinestring> ::= 2
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<wkbpolygonzm> ::= 3003
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<wkbpolygonm> ::= 2003
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<wkbpolygonz> ::= 1003
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<wkbpolygon> ::= 3
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<wkbmultipointzm> ::= 3004
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<wkbmultipointm> ::= 2004
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<wkbmultipointz> ::= 1004
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<wkbmultipoint> ::= 4
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<wkbmultilinestringzm> ::= 3005
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<wkbmultilinestringm> ::= 2005
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<wkbmultilinestringz> ::= 1005
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<wkbmultilinestring> ::= 5
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<wkbmultipolygonzm> ::= 3006
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<wkbmultipolygonm> ::= 2006
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<wkbmultipolygonz> ::= 1006
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<wkbmultipolygon> ::= 6
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<wkbgeometrycollectionzm> ::= 3007
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<wkbgeometrycollectionm> ::= 2007
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<wkbgeometrycollectionz> ::= 1007
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<wkbgeometrycollection> ::= 7
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<wkbcircularstringzm> ::= 3008
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<wkbcircularstringm> ::= 2008
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<wkbcircularstringz> ::= 1008
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<wkbcircularstring> ::= 8
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<wkbcompoundcurvezm> ::= 3009
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<wkbcompoundcurvem> ::= 2009
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<wkbcompoundcurvez> ::= 1009
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<wkbcompoundcurve> ::= 9
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<wkbcurvepolygonzm> ::= 3010
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<wkbcurvepolygonm> ::= 2010
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<wkbcurvepolygonz> ::= 1010
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<wkbcurvepolygon> ::= 10
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<wkbmulticurvezm> ::= 3011
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<wkbmulticurvem> ::= 2011
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<wkbmulticurvez> ::= 1011
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<wkbmulticurve> ::= 11
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<wkbmultisurfacezm> ::= 3012
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<wkbmultisurfacem> ::= 2012
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<wkbmultisurfacez> ::= 1012
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<wkbmultisurface> ::= 12
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<wkbpolyhedralsurfacezm> ::= 3015
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<wkbpolyhedralsurfacem> ::= 2015
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<wkbpolyhedralsurfacez> ::= 1015
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<wkbpolyhedralsurface> ::= 15
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<wkbtinzm> ::= 3016
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<wkbtinm> ::= 2016
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<wkbtinz> ::= 1016
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<wkbtin> ::= 16
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<wkbtrianglezm> ::= 3017
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<wkbtrianglem> ::= 2017
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<wkbtrianglez> ::= 1017
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<wkbtriangle> ::= 17
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<byte order> ::= <byte> !! 1 = little, 0 = big
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<byte> ::= !! 8 bits byte
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<uint32> ::= !! 32 bits unsigned integer
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<double> ::= !! 64 bits ieee double
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173
doc/bnf-wkt.txt
Normal file
173
doc/bnf-wkt.txt
Normal file
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@ -0,0 +1,173 @@
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<well-known text representation> ::=
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<point text representation> |
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<curve text representation> |
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<surface text representation> |
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<collection text representation>
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<point text representation> ::= POINT [ <z m> ] <point text>
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<curve text representation> ::=
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<linestring text representation> |
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<circularstring text representation> |
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<compoundcurve text representation>
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<linestring text representation> ::=
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LINESTRING [ <z m> ] <linestring text body>
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<circularstring text representation> ::=
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CIRCULARSTRING [ <z m> ] <circularstring text>
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<compoundcurve text representation> ::=
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COMPOUNDCURVE [ <z m> ] <compoundcurve text>
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<surface text representation> ::=
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<curvepolygon text representation>
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<curvepolygon text representation> ::=
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CURVEPOLYGON [ <z m> ] <curvepolygon text body> |
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<polygon text representation> |
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<triangle text representation>
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<polygon text representation> ::=
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POLYGON [ <z m> ] <polygon text body>
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<triangle text representation> ::=
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TRIANGLE [ <z m> ] <triangle text body>
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<collection text representation> ::=
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<multipoint text representation> |
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<multicurve text representation> |
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<multisurface text representation> |
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<geometrycollection text representation>
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<multipoint text representation> ::=
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MULTIPOINT [ <z m> ] <multipoint text>
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<multicurve text representation> ::=
|
||||
MULTICURVE [ <z m> ] <multicurve text> |
|
||||
<multilinestring text representation>
|
||||
|
||||
<multilinestring text representation> ::=
|
||||
MULTILINESTRING [ <z m> ] <multilinestring text>
|
||||
|
||||
<multisurface text representation> ::=
|
||||
MULTISURFACE [ <z m> ] <multisurface text> |
|
||||
<multipolygon text representation> |
|
||||
<polyhedralsurface text representation> |
|
||||
<tin text representation>
|
||||
|
||||
<multipolygon text representation> ::=
|
||||
MULTIPOLYGON [ <z m> ] <multipolygon text>
|
||||
|
||||
<polyhedralsurface text representation> ::=
|
||||
POLYHEDRALSURFACE [ <z m> ] <polyhedralsurface text>
|
||||
|
||||
<tin text representation> ::=
|
||||
TIN [ <z m> ] <tin text>
|
||||
|
||||
<geometrycollection text representation> ::=
|
||||
GEOMETRYCOLLECTION [ <z m> ] <geometrycollection text>
|
||||
|
||||
<linestring text body> ::=
|
||||
<linestring text>
|
||||
|
||||
<curvepolygon text body> ::=
|
||||
<curvepolygon text>
|
||||
|
||||
<polygon text body> ::=
|
||||
<polygon text>
|
||||
|
||||
<triangle text body> ::=
|
||||
<triangle text>
|
||||
|
||||
<point text> ::=
|
||||
<empty set> |
|
||||
<left paren> <point> <right paren>
|
||||
|
||||
<point> ::= <x> <y> [ <z> ] [ <m> ]
|
||||
|
||||
<x> ::= <number>
|
||||
<y> ::= <number>
|
||||
<z> ::= <number>
|
||||
<m> ::= <number>
|
||||
|
||||
<linestring text> ::=
|
||||
<empty set> |
|
||||
<left paren> <point> { <comma> <point> }... <right paren>
|
||||
|
||||
<circularstring text> ::=
|
||||
<empty set> |
|
||||
<left paren> <point> { <comma> <point> }... <right paren>
|
||||
|
||||
<compoundcurve text> ::=
|
||||
<empty set> |
|
||||
<left paren> <single curve text> { <comma> <single curve text> }... <right paren>
|
||||
|
||||
<single curve text> ::=
|
||||
<linestring text body> |
|
||||
<circularstring text representation>
|
||||
|
||||
<curve text> ::=
|
||||
<linestring text body> |
|
||||
<circularstring text representation> |
|
||||
<compoundcurve text representation>
|
||||
|
||||
<ring text> ::=
|
||||
<linestring text body> |
|
||||
<circularstring text representation> |
|
||||
<compoundcurve text representation>
|
||||
|
||||
<surface text> ::=
|
||||
CURVEPOLYGON <curvepolygon text body> |
|
||||
<polygon text body>
|
||||
|
||||
<curvepolygon text> ::=
|
||||
<empty set> |
|
||||
<left paren> <ring text> { <comma> <ring text> }... <right paren>
|
||||
|
||||
<polygon text> ::=
|
||||
<empty set> |
|
||||
<left paren> <linestring text> { <comma> <linestring text> }... <right paren>
|
||||
|
||||
<triangle text> ::=
|
||||
<empty set> |
|
||||
<left paren> <linestring text> <right paren>
|
||||
|
||||
<multipoint text> ::=
|
||||
<empty set> |
|
||||
<left paren> <point text> { <comma> <point text > }... <right paren>
|
||||
|
||||
<multicurve text> ::=
|
||||
<empty set> |
|
||||
<left paren> <curve text> { <comma> <curve text> }... <right paren>
|
||||
|
||||
<multilinestring text> ::=
|
||||
<empty set> |
|
||||
<left paren> <linestring text body> { <comma> <linestring text body> }... <right paren>
|
||||
|
||||
<multisurface text> ::=
|
||||
<empty set> |
|
||||
<left paren> <surface text> { <comma> <surface text> }... <right paren>
|
||||
|
||||
<multipolygon text> ::=
|
||||
<empty set> |
|
||||
<left paren> <polygon text body> { <comma> <polygon text body> }... <right paren>
|
||||
|
||||
<polyhedralsurface text> ::=
|
||||
<empty set> |
|
||||
<left paren> <polygon text body> { <comma> <polygon text body> }... <right paren>
|
||||
|
||||
<tin text> ::=
|
||||
<empty set> |
|
||||
<left paren> <triangle text body> { <comma> <triangle text body> }... <right paren>
|
||||
|
||||
<geometrycollection text> ::=
|
||||
<empty set> |
|
||||
<left paren> <well-known text representation> { <comma> <well-known text representation> }... <right paren>
|
||||
|
||||
<empty set> ::= EMPTY
|
||||
|
||||
<z m> ::= ZM | Z | M
|
||||
<left paren> ::= (
|
||||
<right paren> ::= )
|
||||
|
||||
Loading…
Reference in a new issue