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#!/usr/bin/env tclsh
## -*- tcl -*-
package require Tcl 8.4
package require Tk
package require Plotchart
# plothist.test --
# Testing histograms
#
canvas .c -width 600 -height 400 -bg white
pack .c -fill both
.c delete all
set s [::Plotchart::createHistogram .c {0.0 100.0 10.0} {0.0 100.0 20.0}]
$s dataconfig series1 -colour green
set xd 5.0
set yd 20.0
set xold 0.0
set yold 50.0
for { set i 0 } { $i < 20 } { incr i } {
set xnew [expr {$xold+$xd}]
set ynew [expr {$yold+(rand()-0.5)*$yd}]
$s plot series1 $xnew $ynew
set xold $xnew
set yold $ynew
}
$s balloonconfig -background green -rimwidth 3 -arrowsize 10 -font "Times 14"
$s balloon 50 50 "Here it is!" south-east
$s balloonconfig -background red
$s balloonconfig -margin 10
$s balloon 50 100 "No, here!" north-east
$s title "Aha!"
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