geometa (version 0.7)

GMLDerivedUnit: GMLDerivedUnit

Description

GMLDerivedUnit

Value

Object of R6Class for modelling an GML derived unit

Format

R6Class object.

Fields

derivationUnitTerm

Methods

new(xml, defaults, id)

This method is used to instantiate a GML Base Unit

addDerivationUnitTerm(uom, exponent)

Adds a derivation unit term, made of a uom reference, and an exponent which can be negative/positive but not equal to zero.

delDerivationUnitTerm(uom, exponent)

Deletes a derivation unit term

Author

Emmanuel Blondel <[e-mail]>

References

ISO 19136:2007 Geographic Information -- Geographic Markup Language. http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=32554

OGC Geography Markup Language. http://www.opengeospatial.org/standards/gml

Examples

  gml <- GMLDerivedUnit$new()
  gml$setDescriptionReference("someref")
  gml$setIdentifier("identifier", "codespace")
  gml$addName("name2", "codespace")
  gml$setQuantityTypeReference("someref")
  gml$setCatalogSymbol("symbol")
  gml$addDerivationUnitTerm("uomId", 2L)