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| -rw-r--r-- | README.md | 34 |
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@@ -1,6 +1,30 @@ # tkblt -Derived version of the BLT Toolkit. -Tcl/Tk 8.5/8.6 TEA compatible. -Full support for MacOSX and Windows. -Graph, Barchart, and Vector widgets only. -Original author George Howlett. +Introduction to the TkBLT library + +TkBLT is a library of extensions to the Tk library. It adds new +commands and variables to the application's interpreter. + +TkBLT is a derived version of the BLT Toolkit by George A. Howlett, +for Tcl/Tk 8.5/8.6, is TEA compatible, with full support for MacOSX and +Windows, and is fully compatible with the Tk API. TkBLT is released +under the original BSD license. TkBLT includes only the Graph and +Barchart Tk widgets, and the Tcl Vector command. + +The following commands are added to the interpreter from the TkBLT library: + +Graph +A 2D plotting widget. Plots two variable data in a window with an optional +legend and annotations. It has of several components; coordinate axes, +crosshairs, a legend, and a collection of elements and tags. + +Barchart +A barchart widget. Plots two-variable data as rectangular 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 barchart widget has of several components; coordinate axes, +crosshairs, a legend, and a collection of elements and tags. + +Vector +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. |