1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
package require BLT
set data {}
set numPoints 1000
set numIsolines 10
set xv [blt::vector create -length $numPoints]
set yv [blt::vector create -length $numPoints]
set zv [blt::vector create -length $numPoints]
$xv random 10
$yv random 100
$xv expr {$xv*10.0}
$yv expr {$yv*10.0}
$zv expr {abs(sin($xv*$yv/70.0))}
blt::contour .g -highlightthickness 0
set mesh [blt::mesh create cloud -x $xv -y $yv]
.g element create sine -values $zv -mesh $mesh
.g isoline steps $numIsolines -element sine
.g axis configure z \
-palette rainbow \
-colorbarthickness 15 \
-margin right \
-tickdirection out \
-rotate -90 \
-title "Units"
.g legend configure -hide yes
proc UpdateColors {} {
global usePaletteColors
if { $usePaletteColors } {
.g element configure sine -color palette -fill palette
} else {
.g element configure sine -color black -fill red
}
}
proc Fix { what } {
global show
set bool $show($what)
if { [scan $what "isoline%d" number] == 1 } {
.g isoline configure $what -show $bool
return
}
if { 0 && $what == "colormap" } {
if { $bool } {
set color palette
} else {
set color blue
}
.g element configure sine -color $color
}
.g element configure sine -show$what $bool
}
array set show {
boundary 0
values 0
symbols 0
isolines 0
colormap 0
symbols 0
wireframe 0
}
set usePaletteColors 0
blt::tk::checkbutton .boundary -text "Boundary" -variable show(boundary) \
-command "Fix boundary"
blt::tk::checkbutton .wireframe -text "Wireframe" -variable show(wireframe) \
-command "Fix wireframe"
blt::tk::checkbutton .colormap -text "Colormap" \
-variable show(colormap) -command "Fix colormap"
blt::tk::checkbutton .isolines -text "Isolines" \
-variable show(isolines) -command "Fix isolines"
blt::tk::checkbutton .values -text "Values" \
-variable show(values) -command "Fix values"
blt::tk::checkbutton .symbols -text "Symbols" \
-variable show(symbols) -command "Fix symbols"
blt::tk::checkbutton .interp -text "Use palette colors" \
-variable usePaletteColors -command "UpdateColors"
blt::table . \
0,0 .g -fill both -rowspan 15 \
0,1 .boundary -anchor w \
1,1 .colormap -anchor w \
2,1 .isolines -anchor w \
3,1 .wireframe -anchor w \
4,1 .symbols -anchor w \
5,1 .values -anchor w \
6,1 .interp -anchor w
foreach key [array names show] {
set show($key) [.g element cget sine -show$key]
}
Blt_ZoomStack .g
set count 7
foreach name [lsort -dictionary [.g isoline names]] {
blt::tk::checkbutton .$name -text "$name" \
-variable show($name) -command "Fix $name"
.g isoline configure $name -show yes -element sine
set show($name) [.g isoline cget $name -show]
blt::table . \
$count,1 .$name -anchor w
incr count
}
blt::table configure . r* c1 -resize none
blt::table configure . r$count -resize both
blt::table . \
0,0 .g -fill both -rowspan [expr $count+1]
.g postscript output contour2.ps -landscape yes
|
