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+<HTML>
+<BODY>
+<PRE>
+<!-- Manpage converted by man2html 3.0.1 -->
+
+</PRE>
+<H2>DESCRIPTION</H2><PRE>
+ BLT is a library of extensions to the Tk library. It adds new commands
+ and variables to the application's interpreter.
+
+
+
+</PRE>
+<H2>COMMANDS</H2><PRE>
+ The following commands are added to the interpreter from the BLT
+ library:
+
+ <B>graph</B> A 2D plotting widget. Plots two variable data in a win-
+ dow with an optional legend and annotations. It has of
+ several components; coordinate axes, crosshairs, a leg-
+ end, and a collection of elements and tags.
+
+ <B>barchart</B> A barchart widget. Plots two-variable data as rectangu-
+ lar bars in a window. The x-coordinate values designate
+ the position of the bar along the x-axis, while the y-
+ coordinate values designate the magnitude. The <B>barchart</B>
+ widget has of several components; coordinate axes,
+ crosshairs, a legend, and a collection of elements and
+ tags.
+
+ <B>vector</B> Creates a vector of floating point values. The vector's
+ components can be manipulated in three ways: through a
+ Tcl array variable, a Tcl command, or the C API.
+
+
+</PRE>
+<H2>ADDING BLT TO YOUR APPLICATIONS</H2><PRE>
+ It's easy to add BLT to an existing Tk application. BLT requires no
+ patches or edits to the Tcl or Tk libraries. To add BLT, simply add
+ the following code snippet to your application's tkAppInit.c file.
+
+ if (Tkblt_Init(interp) != TCL_OK) {
+
+ return TCL_ERROR;
+
+ }
+
+ Recompile and link with the tkblt library and that's it.
+
+ Alternately, you can dynamically load tkblt, simply by invoking the
+ command
+
+ % package require tkblt
+
+ from your Tcl script.
+
+
+</PRE>
+<H2>BUGS</H2><PRE>
+ Send bug reports, requests, suggestions, etc. to wjoye@cfa.harvard.edu
+
+
+</PRE>
+<H2>KEYWORDS</H2><PRE>
+ BLT
+
+</PRE>
+<HR>
+<ADDRESS>
+Man(1) output converted with
+<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
+</ADDRESS>
+</BODY>
+</HTML>