Hi,<div><br></div><div>I am using the LIBSAC libraries to read header values into a fortran code. I am having trouble reading in the 'dist' header field.</div><div><br></div><div>The rsac call in the fortran code does not return an error, as other header values can be read. The call to get the 'dist' header value is:</div>
<div><font class="Apple-style-span" face="'courier new', monospace">call getfhv('dist',dist,nerr)</font></div><div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div>
<font class="Apple-style-span" face="arial, helvetica, sans-serif">But when running on a sac file, I get an error saying that the field is undefined...</font></div><div><font class="Apple-style-span" face="'courier new', monospace">ERROR 1336: Undefined header field value. dist</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif">However, when I use sac and open this same file and list the header values, there is a defined value present for this header.</font></div>
<div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><div><font class="Apple-style-span" face="'courier new', monospace">$ sac << EOF </font></div><div><font class="Apple-style-span" face="'courier new', monospace">> r compR.lhn</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">> lh dist delta</font></div><div><font class="Apple-style-span" face="'courier new', monospace">> q</font></div><div><font class="Apple-style-span" face="'courier new', monospace">> EOF</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"> SEISMIC ANALYSIS CODE [08/24/2009 (Version 101.3b)]</font></div><div><font class="Apple-style-span" face="'courier new', monospace"> Copyright 1995 Regents of the University of California</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div><font class="Apple-style-span" face="'courier new', monospace"> </font></div><div><font class="Apple-style-span" face="'courier new', monospace"> </font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"> FILE: compR.lhn - 1</font></div><div><font class="Apple-style-span" face="'courier new', monospace"> ---------------------------</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div><font class="Apple-style-span" face="'courier new', monospace"> dist = 8.346584e+03</font></div><div><font class="Apple-style-span" face="'courier new', monospace"> delta = 1.000000e+00</font></div>
<div><font class="Apple-style-span" face="'courier new', monospace">$</font></div><div><font class="Apple-style-span" face="'courier new', monospace"><br></font></div><div>This error only seems to happen for the 'dist' field. Unless of course the value is truly undefined and also does not appear in a sac 'lh' command.</div>
<div><br></div><div>Any insight would be much appreciated.</div><div><br></div><div>cheers,</div><div>Andrew Schaeffer</div></font></div>