Xdmf.dtd 3.21 KB
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<?xml version="1.0" encoding="UTF-8"?>
<!--Root element of dataset-->
<!ELEMENT Xdmf (Information*, Domain+)>
<!ATTLIST Xdmf
    Version CDATA #IMPLIED
>
<!--Contains domain data information-->
<!ELEMENT Domain (Information*, Grid+)>
<!ATTLIST Domain
	Name CDATA #IMPLIED
>
<!--Contains a collection of homogeneous elements-->
<!ELEMENT Grid (Information*, Time*, Grid*, Topology*, Geometry*, Attribute*)>
<!ATTLIST Grid
	Name CDATA #IMPLIED
	GridType (Uniform | Collection) "Uniform"
        CollectionType   (Spatial | Temporal) "Spatial"
>
<!--Contains a graph of points-->
<!ELEMENT Graph (Information*, Time*, Attribute*)>
<!ATTLIST Graph
        Name CDATA #IMPLIED
        NumberColumns CDATA #REQUIRED
        NumberRows CDATA #REQUIRED
>
<!-- Described Temporal Relationship -->
<!ELEMENT Time (Information*)>
<!ATTLIST Time
    Value CDATA #IMPLIED
>
<!--Describes the general organization of the data-->
<!ELEMENT Topology (Information*, DataItem*)>
<!ATTLIST Topology
        TopologyType (NoTopologyType | Polyvertex | Polyline | Polygon | Triangle | Quadrilateral | Tetrahedron | Wedge | Hexahedron | Edge_3 | Triangle_6 | Quadrilateral_8 | Quadrilateral_9 | Tetrahedron_10 | Pyramid_13 | Wedge_15 | Wedge_18 | Hexahedron_20 | Hexahedron_24 | Hexahedron_27 | Hexahedron_64 | Hexahedron_125 | Hexahedron_216 | Hexahedron_343 | Hexahedron_512 | Hexahedron_729 | Hexahedron_1000 | Hexahedron_1331 | Hexahedron_Spectral_64 | Hexahedron_Spectral_125 | Hexahedron_Spectral_216 | Hexahedron_Spectral_343 | Hexahedron_Spectral_512 | Hexahedron_Spectral_729 | Hexahedron_Spectral_1000 | Hexahedron_Spectral_1331 | Mixed | 2DSMesh | 2DRectMesh | 2DCoRectMesh | 3DSMesh | 3DRectMesh | 3DCoRectMesh) #REQUIRED
	Dimensions CDATA #IMPLIED
	Order CDATA #IMPLIED
	NodesPerElement CDATA #IMPLIED
>
<!--Describes the XYZ values of the mesh-->
<!ELEMENT Geometry (Information*, DataItem+)>
<!ATTLIST Geometry
	Name CDATA #IMPLIED
	GeometryType (XYZ | XY | X_Y_Z | VXVYVZ | ORIGIN_DXDYDZ) "XYZ"
>
<!--Lowest level element, describes the data that is present in the XDMF dataset-->
<!ELEMENT DataItem (#PCDATA | DataItem)*>
<!ATTLIST DataItem
	Name CDATA #IMPLIED
        ItemType (Uniform | HyperSlab | Function) "Uniform"
	Dimensions CDATA #REQUIRED
	NumberType (Char | UChar | Float | Int | UInt) "Float"
	Precision (1 | 4 | 8) "4"
	Reference CDATA #IMPLIED
        Endian (Big | Little | Native) "Native"
	Format (XML | HDF | Binary | TIFF) "XML"
>
<!--Describes the values on the mesh-->
<!ELEMENT Attribute (Information*, DataItem)>
<!ATTLIST Attribute
	Name CDATA #IMPLIED
	Center (Node | Cell | Grid | Face | Edge) "Node"
	AttributeType (Scalar | Vector | Tensor | Tensor6 | Matrix) "Scalar"
>
<!--Describes subsections of a grid-->
<!ELEMENT Set (Information*, DataItem)>
<!ATTLIST Set
        Name CDATA #IMPLIED
        Type (NoSetType | Node | Cell | Face | Edge) "Node"
>
<!--Describes a node maping-->
<!ELEMENT Map (Information*, DataItem*)>
<!ATTLIST Map
        Name CDATA #IMPLIED
>
<!-- Application Dependent -->
<!ELEMENT Information (#PCDATA | Information | EMPTY)*>
<!ATTLIST Information 
	Name CDATA #IMPLIED
	Value CDATA #IMPLIED
>

<!--The Definitions of these three items are extremely loose-->
<!ELEMENT Aggregate ANY>
<!ELEMENT Subset ANY>
<!ELEMENT Function ANY>