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<H1><A NAME="SECTION003040000000000000000">
XLong</A>
</H1>
<P>
<A NAME="ap:XLong"> </A>
<P>
This chapter describes the use of the Graphical User Interface XLong.
The interface XLong generates and sends MIDAS commands
to the monitor. Therefore, all operations performed with the interface
can also be performed manually by typing the commands on-line or
writing a procedure. The interface is however a convenient additional
layer of the software providing on-line help, visibility over
the parameter values and options and avoiding syntax problems.
These functions are particularly useful for parameter intensive
procedures such as the batch reduction.
<P>
<BLOCKQUOTE>
<DIV ALIGN="CENTER">
<B>Note</DIV>
<I>Using XLong requires that the described MOTIF GUIs have
been installed on your system. Also this chapter must be considered
as an operating manual of the interface and assumes a general
understanding of the Long context.</I></B></BLOCKQUOTE>
<P>
In this Section the following notations have been used:
<P>
<DIV ALIGN="CENTER">
<TABLE CELLPADDING=3 BORDER="1">
<TR><TD ALIGN="LEFT" COLSPAN=2>Commands or keywords are indicated as:</TD>
</TR>
<TR><TD ALIGN="LEFT"> </TD>
<TD ALIGN="CENTER"><TT> SET/LONG UPPSKY=190,220</TT></TD>
</TR>
<TR><TD ALIGN="LEFT">Push-buttons and Menus are surrounded by a box:</TD>
<TD ALIGN="CENTER"> </TD>
</TR>
<TR><TD ALIGN="LEFT"> </TD>
<TD ALIGN="CENTER">
<!-- MATH: $\fbox{\tt Identify...}$ -->
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<TR><TD ALIGN="LEFT" COLSPAN=2>and Labels or names are written in bold face:</TD>
</TR>
<TR><TD ALIGN="LEFT"> </TD>
<TD ALIGN="CENTER"><B> Calibration Frame:</B></TD>
</TR>
</TABLE></DIV>
<P>
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<UL>
<LI><A NAME="tex2html7949"
HREF="node522.html">Graphical User Interfaces</A>
<UL>
<LI><A NAME="tex2html7950"
HREF="node523.html">Initializing Keywords</A>
<LI><A NAME="tex2html7951"
HREF="node524.html">Short Help</A>
<LI><A NAME="tex2html7952"
HREF="node525.html">Sending Commands</A>
<LI><A NAME="tex2html7953"
HREF="node526.html">On line HELP facility</A>
<LI><A NAME="tex2html7954"
HREF="node527.html">Entering File Names</A>
<LI><A NAME="tex2html7955"
HREF="node528.html">Dialog Windows</A>
</UL>
<LI><A NAME="tex2html7956"
HREF="node529.html">Getting Started</A>
<UL>
<LI><A NAME="tex2html7957"
HREF="node530.html">Saving and Loading Session Parameters</A>
<LI><A NAME="tex2html7958"
HREF="node531.html">Detecting lines in the comparison (arc) spectrum</A>
<LI><A NAME="tex2html7959"
HREF="node532.html">Identify the lines in one of the rows of the spectrum</A>
<LI><A NAME="tex2html7960"
HREF="node533.html">Wavelength calibration</A>
<LI><A NAME="tex2html7961"
HREF="node534.html">Rebin to wavelength scale</A>
<LI><A NAME="tex2html7962"
HREF="node535.html">Extract</A>
<LI><A NAME="tex2html7963"
HREF="node536.html">Flux Calibration</A>
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<LI><A NAME="tex2html7964"
HREF="node537.html">Performing Batch Reduction</A>
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<ADDRESS>
<I>Petra Nass</I>
<BR><I>1999-06-15</I>
</ADDRESS>
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