Diagram
| Super-types: | gml:doubleList < DirectPositionListType (by extension) |
|---|---|
| Sub-types: | None |
| Name | DirectPositionListType |
|---|---|
| Abstract | no |
| Documentation | DirectPositionList instances hold the coordinates for a sequence of direct positions within the same coordinate reference system (CRS). |
'In general this reference points to a CRS instance of gml:CoordinateReferenceSystemType (see coordinateReferenceSystems.xsd). For well known references it is not required that the CRS description exists at the location the URI points to. If no srsName attribute is given, the CRS must be specified as part of the larger context this geometry element is part of, e.g. a geometric element like point, curve, etc. It is expected that this attribute will be specified at the direct position level only in rare cases.'
"'The \"srsDimension\" is the length of coordinate sequence (the number of entries in the list). This dimension is specified by the coordinate reference system. When the srsName attribute is omitted, this attribute shall be omitted.'
"'Ordered list of labels for all the axes of this CRS. The gml:axisAbbrev value should be used for these axis labels, after spaces and forbiddden characters are removed. When the srsName attribute is included, this attribute is optional. When the srsName attribute is omitted, this attribute shall also be omitted.'
"'Ordered list of unit of measure (uom) labels for all the axes of this CRS. The value of the string in the gml:catalogSymbol should be used for this uom labels, after spaces and forbiddden characters are removed. When the axisLabels attribute is included, this attribute shall also be included. When the axisLabels attribute is omitted, this attribute shall also be omitted.'
"'"count" allows to specify the number of direct positions in the list. If the attribute count is present then the attribute srsDimension shall be present, too.'
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