[LandXML] April 18, 2005 working draft LandXML-1.1 posted

  • From: "Nathan Crews" <nathan.crews@xxxxxxxxxxx>
  • To: <landxml@xxxxxxxxxxxxx>
  • Date: Mon, 18 Apr 2005 15:30:42 -0600

A new working draft of LandXML-1.1, dated April 18, 2005, and the change log
have been posted to the LandXML.org web site. See
<http://www.landxml.org/schema/LandXML-1.1/LandXML-1.1.xsd>  and
s.doc> respectively.
In particular #7 below, road design cross sections are heavily documented to
explain how this simple data structure can model very complex roads
<http://www.landxml.org/schema/LandXML-1.1/Cumulative LandXML-1.1

Scope of Proposed Changes for version 1.1

1.  Change <CoordinateSystem> to support common EPSG coordinate system names
shared by OGC schemas.
2.  Clarify what is meant by "zenithAngle" in the survey data.
3.  Add support for PI based alignment definitions.
4.  Add railway cant (superelevation) data to <Alignment>.
5.  Add data structure to support electronic Australian cadastral survey
6.  Allow duplicate "name" attributes across collections of same element
7.  Add road design cross section definitions to Alignments.
8.  Add support for non-linear road design cross section transitions.
9.  Adjust the PipeNetwork structure to better support modern hydraulic
materials such as curved pipe.

All Items 1-9 above have been completed and are ready for your review and


Nathan Crews

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