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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>