land:Definition

The collection of faces and points that defined the surface.

Element information

Namespace: http://www.landxml.org/schema/LandXML-1.1

Schema document: external/landxml/1.1/LandXML-1.1.xsd

Type: Anonymous

Properties: Global, Qualified

Content

Sequence [1..1]
1. land:Pnts [1..1] The collection of points that defined the surface. The "P" point id values are unique per surface.The id values are referenced by the surface faces and breaklines.
2. land:Faces [1..*] The collection of faces that defined the surface.The faces are defined by either 3 (TIN) or 4 (grid) points, as indicated by the "surfType" attributeFor the north/east/elev values, each point of the face references a "P"point element point in the SurfPnts collection.
3. land:Feature [0..*] Used to include additional information that is not explicitly defined by the LandXML schema, Feature may contain one or more Property, DocFileRef or nested Feature elements. NOTE: to allow any valid content, the explicit definitions for Property, DocFileRef and Feature have been commented out, but are still expected in common use.Each Property element defines one piece of data.

Attributes

Name	Occ	Type
surfType	[1..1]	land:surfTypeEnum
area2DSurf	[0..1]	xsd:double
area3DSurf	[0..1]	xsd:double
elevMax	[0..1]	xsd:double
elevMin	[0..1]	xsd:double

Used in

Anonymous type of element land:Surface

Sample instance

<land:Definition surfType="TIN">
   <land:Pnts>
      <land:P id="1">Any text, intermingled with:1.0 1.0</land:P>
   </land:Pnts>
   <land:Faces>
      <land:F>Any text, intermingled with:1 1</land:F>
      <land:Feature>
         <!--any element-->
      </land:Feature>
   </land:Faces>
   <land:Feature>
      <!--any element-->
   </land:Feature>
</land:Definition>