diff options
Diffstat (limited to 'library/demos/plot.tcl')
| -rw-r--r-- | library/demos/plot.tcl | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/library/demos/plot.tcl b/library/demos/plot.tcl index 453b7a6..5df318b 100644 --- a/library/demos/plot.tcl +++ b/library/demos/plot.tcl @@ -24,33 +24,33 @@ pack $w.msg -side top set btns [addSeeDismiss $w.buttons $w] pack $btns -side bottom -fill x -canvas $c -relief raised -width 450 -height 300 +canvas $c -relief raised -width 337.5p -height 225p pack $w.c -side top -fill x -set plotFont {Helvetica 18} +set plotFont {Helvetica 16} -$c create line 100 250 400 250 -width 2 -$c create line 100 250 100 50 -width 2 -$c create text 225 20 -text "A Simple Plot" -font $plotFont -fill brown +$c create line 75p 187.5p 300p 187.5p -width 1.5p +$c create line 75p 187.5p 75p 37.5p -width 1.5p +$c create text 168.75p 15p -text "A Simple Plot" -font $plotFont -fill brown for {set i 0} {$i <= 10} {incr i} { - set x [expr {100 + ($i*30)}] - $c create line $x 250 $x 245 -width 2 - $c create text $x 254 -text [expr {10*$i}] -anchor n -font $plotFont + set x [expr {75 + ($i*22.5)}] ;# in points + $c create line ${x}p 187.5p ${x}p 183.75p -width 1.5p + $c create text ${x}p 190.5p -text [expr {10*$i}] -anchor n -font $plotFont } for {set i 0} {$i <= 5} {incr i} { - set y [expr {250 - ($i*40)}] - $c create line 100 $y 105 $y -width 2 - $c create text 96 $y -text [expr {$i*50}].0 -anchor e -font $plotFont + set y [expr {187.5 - ($i*30)}] ;# in points + $c create line 75p ${y}p 78.75p ${y}p -width 1.5p + $c create text 72p ${y}p -text [expr {$i*50}].0 -anchor e -font $plotFont } foreach point { - {12 56} {20 94} {33 98} {32 120} {61 180} {75 160} {98 223} + {9 42} {15 70.5} {24.75 73.5} {24 90} {45.75 135} {56.25 120} {73.5 167.25} } { - set x [expr {100 + (3*[lindex $point 0])}] - set y [expr {250 - (4*[lindex $point 1])/5}] - set item [$c create oval [expr {$x-6}] [expr {$y-6}] \ - [expr {$x+6}] [expr {$y+6}] -width 1 -outline black \ + set x [expr {75 + (2.25*[lindex $point 0])}] ;# in points + set y [expr {187.5 - (3*[lindex $point 1])/5}] ;# in points + set item [$c create oval [expr {$x-4.5}]p [expr {$y-4.5}]p \ + [expr {$x+4.5}]p [expr {$y+4.5}]p -width 0.75p -outline black \ -fill SkyBlue2] $c addtag point withtag $item } |