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<head>
<title>Ferret v5.51 release notes</title>
</head>
<body>
<C>
<h1>
<B>Ferret Version 5.51 Release Notes</B></h1>
<font size=+1>March 3, 2003</font>
</C>
<BR><BR>
<B><font size=+2>This is primarily a bug fix release. Bug Fixes:</font></B>
<BR><BR>
<LI><B>Bug with SHADE/HLIMITS /VLIMITS fixed. </B>The limits were applied
to the axes, but the full range of data was used for the plot itself. (Bug was
seen in sessions where only x-windows open, but not if a metafile was open,
and not in batch mode.)</LI><BR><BR>
<LI><B>Can now use filenames that begin with a digit. </B>Previously,
"set data 12v1.cdf; can data 12v1" saw an argument starting with a digit
as a dataset number rather than a file name.</LI><BR><BR>
<LI><B>Treat .nc extension consistently the way .cdf is used.</B> Previously,
for instance, the following failed to find and cancel dataset dat1:<BR>
<PRE>
yes? use dat1.nc
yes? cancel dat1</PRE>
</LI>
<LI><B>Fix FILL plots in viewports defined with /AXES</B>. Fill plots were
incorrectly clipped in these viewports.
</LI><BR><BR>
<LI><B>Plot a color key for viewport plots</B>, even if the key lies outside
the viewport. This particularly applies to viewports that are defined with
/AXES. Note that color keys are easily removed with SHADE/NOKEY or FILL/NOKEY.
</LI><BR><BR>
<LI><B>Fix location on page of the 1st viewport plotted</B>. When a viewport
is defined with the /AXES qualifier, the first time in a session that
a viewport was plotted it was mis-positioned on the plot page.
</LI><BR><BR>
<LI><B>Can re-define a time axis to have a different calendar type. </B>
If a time axis is defined, its calendar can be changed by issuing a new
DEFINE AXIS/CALENDAR= command.
</LI><BR><BR>
<LI><B>Bug reading seconds portion time origin from some NetCDF files. </B>
Both of these formats are valid: "10-JUN-1996 04:03:36", and "1996-06-10 04:03:36"
</LI><BR><BR>
<LI><B>Axes can be defined using more complex expressions.</B> For example,
<PRE>
yes? LET a = {1,2,3}
yes? LET b = {2,3,4}
yes? DEFINE AXIS/X xax = a/2 + b/2
yes? LIST x[GX=XAX]
</PRE>
</LI><BR>
</ul>
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