<?xml version="1.0" encoding="UTF-8"?>
<!--This is the document type definition for a points file.  
This can be used generically to define a set of points for any reason.  
Its most likely application is in entering a number of points for 
which to save grid output.-->

<!--Root element-->
<!ELEMENT pointSet (po_point*)>

<!--x = X coordinate in m, y = Y coordinate in m,
	h = height above the ground in m-->
<!ELEMENT po_point EMPTY>
<!ATTLIST po_point 
         x CDATA #REQUIRED
		 y CDATA #REQUIRED
		 h CDATA #IMPLIED>
