geometry.xsd
A GML conformant schema
for specialised geometries for geoscience
Copyright (c) 2005 CSIRO - see https://www.seegrid.csiro.au/twiki/bin/view/Xmml/LegalNotices#Software_Notice
Head of substitution group for primitive Solids with simple descriptions.
Head of substitution group for multiSolids with simple descriptions.
The "Hexahedron" element is a simple solid with eight vertices and six sides.
Relative to a right-handed coordinate system the vertex sequence is
7____6
/ | / |
4____5 |
| 3 _ | 2
| / | /
0____1
For cases where the face order is used implicitly, then the faces are defined with the following vertices
0 - 0 1 5 4
1 - 1 2 6 5
2 - 2 3 7 6
3 - 3 0 4 7
4 - 0 3 2 1
5 - 7 4 5 6
The "Hexahedron" element is a simple solid with eight vertices and six sides.
The "Wedge" element is a simple solid with six vertices and five sides.
Relative to a right-handed coordinate system the vertex sequence is
5
/ | \
/ 4 \
3 / -\- 2
|/ \ |
0____1
For cases where the face order is used implicitly, then the faces are defined with the following vertices
0 - 0 1 4
1 - 1 2 5 4
2 - 2 3 5
3 - 3 0 4 5
4 - 0 3 2 1
The "Wedge" element is a simple solid with six vertices and five sides.
The "Pyramid" element is a simple solid with five vertices and five sides.
Relative to a right-handed coordinate system the vertex sequence is
4
//\\
3 / -\- 2
|/ \ |
0____1
For cases where the face order is used implicitly, then the faces are defined with the following vertices
0 - 0 1 4
1 - 1 2 4
2 - 2 3 4
3 - 3 0 4
4 - 0 3 2 1
The "Pyramid" element is a simple solid with five vertices and five sides.
The "Tetrahedron" element is a simple solid with four vertices and four sides.
Relative to a right-handed coordinate system the vertex sequence is
3
/ | \
2- -| - -1
\ | /
0
For cases where the face order is used implicitly, then the faces are defined with the following vertices
1 - 1 2 3
2 - 2 0 3
0 - 0 1 3
3 - 0 2 1
The "TetrahedronP" element is a simple solid with four vertices and four sides.