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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2 Final//FR"><!-- Converted with LaTeX2HTML 95.1 (Fri Jan 20 1995) --><!-- by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --><!-- Modified Simulog 03/97 --><HTML><HEAD><TITLE>5.1 Introduction</TITLE><LINK REL=STYLESHEET TYPE="text/css"	HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="5.1 Introduction"><meta name="keywords" value="Guide6"><meta name="resource-type" value="document"><meta name="distribution" value="global"></HEAD><BODY BGCOLOR="#FFFFFF"><P> <IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM	ALT="Modulef"><A NAME=tex2html1008 HREF="node44.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif"	ALT="previous"></A><A NAME=tex2html1014 HREF="node44.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif"	ALT="up"></A><A NAME=tex2html1016 HREF="node46.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif"	ALT="next"></A><A NAME=tex2html1018 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif"	ALT="contents"></A><A HREF="../Guide6-18/node45.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM	ALT="[BIG]"></A><A HREF="../Guide6-14/node45.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM	ALT="[Normal]"></A><A HREF="../Guide6-10/node45.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM	ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1017 HREF="node46.html">4.2 Utilization of  TRACXX </A><B>Up: </B> <A NAME=tex2html1015 HREF="node44.html">4 Visualization of curves</A><B> Prev: </B> <A NAME=tex2html1009 HREF="node44.html">4 Visualization of curves</A><B><A HREF="node2.html"	>Contents</A></B><HR SIZE=3 WIDTH="75&#37;"><H1><A NAME=SECTION04510000000000000000>5.1 Introduction</A></H1><P><P><P>It is possible to visualize one or several functions, <b>F(X)</b>.In fact, each function is plotted by joining the corresponding  points between them, i.e.the couples <b>X,Y</b> or <b>X,F(X)</b>.<P>These values are input, either viaa file (NFIC)  containing the following information:<P><UL><LI> NBRCOU, the number of curves to plot, and for each curve:<P>  <UL><LI> LE, the number of points on the curve,<P>    <LI> X(I) (I=1,LE), the abscissa of the curve (the points of measure),<P>    <LI> Y(I) (I=1,LE), the corresponding ordinates (the values associated to these points).<P></UL></UL><P>which corresponds to the following read:<P><PRE>         READ (NFIC,*) NBRCOU          ...         DO  1 J=1,NBRCOU            READ (NFIC,*) LE            READ (NFIC,*) ( X(I),I=1,LE )            READ (NFIC,*) ( Y(I),I=1,LE )    1    CONTINUE         ...</PRE><P>or via an analytical expression of the function to be represented.<P><P><P>The module allows a maximum of 10 <i> plots</i>. A plot is a set of curves (maximum 20). Each time we request to read a file (at the start or via key 20), we define a plot.When we input a curve analytically at the start, this will constitute the first plot. Once a plot is displayed on the screen and we define one or several curves (key 18) or interpolations (key 19), thesewill be added to the current plot.A name is associated to each plot: for a plot resulting from a file, the name is the same as the file name; fora plot defined at the start by means of a function, the name is  MANUELLE01. These names  enable the user to redo the corresponding plot.<P><P><P>Numerous possibilities are offered to:<P><UL><LI> define axis with legends,<LI> define the type of  graduation to be marked on the axis,<LI> give a legend to each curve,<LI> choose the type of representation of the curves (linear or  logarithmic),<LI> choose the graphic type representation of the curves (lines, symbols, etc...), for all the curvesor each one.<LI> calculate some interpolation of a given  curve and plot it (for example, find the linewhich is closest to the curve under consideration).</UL><P><P><P><HR SIZE=3 WIDTH="75&#37;"><IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM	ALT="Modulef"><A NAME=tex2html1008 HREF="node44.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif"	ALT="previous"></A><A NAME=tex2html1014 HREF="node44.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif"	ALT="up"></A><A NAME=tex2html1016 HREF="node46.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif"	ALT="next"></A><A NAME=tex2html1018 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif"	ALT="contents"></A><A HREF="../Guide6-18/node45.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM	ALT="[BIG]"></A><A HREF="../Guide6-14/node45.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM	ALT="[Normal]"></A><A HREF="../Guide6-10/node45.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM	ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1017 HREF="node46.html">4.2 Utilization of  TRACXX </A><B>Up: </B> <A NAME=tex2html1015 HREF="node44.html">4 Visualization of curves</A><B> Prev: </B> <A NAME=tex2html1009 HREF="node44.html">4 Visualization of curves</A><B><A HREF="node2.html"	>Contents</A></B><BR> <HR><P><ADDRESS></ADDRESS></BODY></HTML>
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