Changeset 72 for cf-conventions/trunk/docbooksrc/coordinate-systems.xml
- Timestamp:
- 10/09/08 17:13:48 (5 months ago)
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cf-conventions/trunk/docbooksrc/coordinate-systems.xml
r66 r72 57 57 is not allowed for auxiliary coordinate variables. Auxiliary coordinate 58 58 variables which lie on the horizontal surface can be identified as such 59 by their dimensions being horizontal, which can in turn be inferred from 60 their having an axis attribute of <varname>X</varname> or <varname>Y</varname> 61 , or from their units in the case of latitude and longitude 59 by their dimensions being horizontal. Horizontal dimensions are those 60 whose coordinate variables have an <varname>axis</varname> attribute 61 of <varname>X</varname> or <varname>Y</varname>, or a <varname>units</varname> 62 attribute indicating latitude and longitude 62 63 (see <xref linkend="coordinate-types"/>). 63 64 </para>