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<H1>IBM Visualization Data Explorer Programmer's Reference</H1>
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<H3><A NAME="HDRDXIHDF" HREF="progu097.htm#PToC_306">DXImportHDF</A></H3>
<P><STRONG>Function</STRONG>
<P>
Imports data from an HDF file.
<P><STRONG>Syntax</STRONG>
<BR>
<TT><STRONG><BR>
#include <dx/dx.h><BR>
<P><BR>
Field DXImportHDF(char *filename, char *variable)<BR>
</STRONG></TT><BR>
<P><STRONG>Functional Details</STRONG>
<P>
Imports data from an HDF (Hierarchical Data Format) file.
<TT><STRONG>variable</STRONG></TT>, though represented as a string, is a
number corresponding to the (zero-based) position of the dataset in the
file <TT><STRONG>filename</STRONG></TT>. If <TT><STRONG>variable</STRONG></TT>
is
NULL, all fields are read in and placed in a group.
<P>
For additional information on the HDF file format, see
<A HREF="usrgu067.htm#HDRIMD">Appendix B. "Importing Data: File Formats"</A> in
<I>IBM Visualization Data Explorer User's Guide</I>.
<P><STRONG>Return Value</STRONG>
<P>
Returns a pointer to the Object or returns NULL and sets an error code.
<P><STRONG>See Also</STRONG>
<P>
<TT><STRONG>
<A HREF="progu213.htm#HDRDXINC">DXImportNetCDF</A>,
<A HREF="progu211.htm#HDRDXIDX">DXImportDX</A>,
<A HREF="progu210.htm#HDRDXICM">DXImportCM</A>,
<A HREF="progu209.htm#HDRDXICDF">DXImportCDF</A>
</STRONG></TT>
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