NXorientation

From NeXus

For information on using NXorientation see Coordinate_Systems

Contents 1 Definition in XML Meta-DTD Format 2 Definition in Tabular Format

XML Meta-DTD Definition for NXorientation.xml

This follows the XML Meta-DTD Definition format and can be downloaded from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXorientation.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
URL:     http://www.nexus.anl.gov/classes/xml/NXorientation.xml
Editor:  NIAC
$Id: NXorientation.xml 4 2005-07-19 04:10:26Z rio $

This is the description for a general orientation of a component - it is
used by the NXgeometry class
-->
<NXorientation name="{name of orientation}">
	<NXgeometry name="">
		{Link to another object if we are using relative positioning, else absent}? 
	</NXgeometry>
	<value type="NX_FLOAT[numobj,6]">
		{The orientation information is stored as direction cosines.}{The direction cosines will be between the local coordinate directions and the reference directions (to origin or relative NXgeometry). Calling the local unit vectors (x',y',z') and the reference unit vectors (x,y,z) the six numbers will be [x' dot x, x' dot y, x' dot z, y' dot x, y' dot y, y' dot z] where "dot" is the scalar dot product (cosine of the angle between the unit vectors). The unit vectors in both the local and reference coordinates are right-handed and orthonormal.}? 
	</value>
</NXorientation>

Tabular Representation of XML Meta-DTD

(automatically generated from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXorientation.xml)

NXorientation

Name	Type	Description	Attributes
	NXgeometry	Link to another object if we are using relative positioning, else absent
value	NX_FLOAT[numobj,6]	The orientation information is stored as direction cosines. {The direction cosines will be between the local coordinate directions and the reference directions (to origin or relative NXgeometry). Calling the local unit vectors (x',y',z') and the reference unit vectors (x,y,z) the six numbers will be [x' dot x, x' dot y, x' dot z, y' dot x, y' dot y, y' dot z] where "dot" is the scalar dot product (cosine of the angle between the unit vectors). The unit vectors in both the local and reference coordinates are right-handed and orthonormal.}