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
|
package require BLT
set palette greyscale
set x [blt::vector create]
set y [blt::vector create]
$x linspace 0 1 100
$y linspace 0 1 100
set x2 [blt::vector create]
$x2 expr { $x * $x }
set x21 [blt::vector create]
$x21 expr { 1.0 - $x2 }
set x2y [blt::vector create]
$x2y expr {$y - $x2}
set z {}
foreach i [$x2y values] {
foreach j [$x21 values] {
lappend z [expr ($j * $j) + 100.0 * ($i * $i) + 1.0]
}
}
set zv [blt::vector create]
$zv set $z
set mesh [blt::mesh create regular -y [list 0 100 100] -x [list 0 100 100]]
blt::contour .g -highlightthickness 0
.g element create myContour -values $zv -mesh $mesh
.g isoline steps 10 -element myContour
.g legend configure -hide yes
.g axis configure z \
-palette $palette \
-margin right \
-colorbarthickness 20 \
-tickdirection in
proc Fix { what } {
global show
set bool $show($what)
.g element configure myContour -show$what $bool
}
proc UpdateColors {} {
global usePaletteColors
if { $usePaletteColors } {
.g element configure myContour -color palette -fill palette
} else {
.g element configure myContour -color black -fill red
}
}
array set show {
boundary 0
values 0
symbols 0
isolines 0
colormap 0
symbols 0
wireframe 0
}
blt::tk::checkbutton .boundary -text "Boundary" -variable show(boundary) \
-command "Fix boundary"
blt::tk::checkbutton .wireframe -text "Wireframe" -variable show(wireframe) \
-command "Fix wireframe"
blt::tk::checkbutton .colormap -text "Colormap" \
-variable show(colormap) -command "Fix colormap"
blt::tk::checkbutton .isolines -text "Isolines" \
-variable show(isolines) -command "Fix isolines"
blt::tk::checkbutton .values -text "Values" \
-variable show(values) -command "Fix values"
blt::tk::checkbutton .symbols -text "Symbols" \
-variable show(symbols) -command "Fix symbols"
blt::tk::label .label -text ""
blt::tk::checkbutton .palette -text "Use palette colors" \
-variable usePaletteColors -command "UpdateColors"
blt::table . \
0,0 .label -fill x \
1,0 .g -fill both -rowspan 9 \
1,1 .boundary -anchor w \
2,1 .colormap -anchor w \
3,1 .isolines -anchor w \
4,1 .wireframe -anchor w \
5,1 .symbols -anchor w \
6,1 .values -anchor w \
7,1 .palette -anchor w
blt::table configure . r* c1 -resize none
blt::table configure . r9 -resize both
foreach key [array names show] {
set show($key) [.g element cget myContour -show$key]
}
Blt_ZoomStack .g
|
