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- #!../blt_wish -f
-
- if [file exists ../library] {
- set blt_library ../library
- }
-
- blt_bitmap define pattern1 { {4 4} {01 02 04 08} }
- blt_bitmap define pattern5 { {4 4} {01 01 01 01} }
- option add *Blt_graph.font *New*Century*Bold*R*14*
- option add *Blt_htext.Font *Times*Bold-R*14*
- option add *Blt_graph.textFont *new*century*140*
-
- set visual [winfo screenvisual .]
- if { $visual != "staticgray" && $visual != "grayscale" } {
- option add *Button.Background red
- option add *Blt_graph.foreground navyblue
- option add *Blt_graph.borderWidth 2
- option add *Blt_graph.relief sunken
- option add *Blt_graph.textTagForeground black
- option add *Blt_graph.textTagBackground yellow
- option add *Blt_graph.lineTagForeground black
- option add *Blt_graph.lineTagBackground yellow
- option add *Blt_graph.polyTagForeground lightblue
- option add *Blt_graph.polyTagStipple pattern5
- option add *Blt_graph.polyTagBackground {}
- option add *Blt_graph.elemActiveBackground yellow
- option add *Blt_graph.elemActiveForeground brown
- }
-
- option add *Blt_graph.title "Another XY Graph"
- option add *Blt_graph.xTitle "X Axis Label"
- option add *Blt_graph.yTitle "Y Axis Label"
- option add *Blt_graph.elemScale 0.85
-
- blt_htext .msg -text {\
- In this example, you can sweep out a box to zoom in by clicking with
- the left button and dragging the pointer. To restore the original view,
- simply click on the middle button.
- Hit the %%
- button $blt_htext(widget).quit -text {Quit} -command {exit}
- $blt_htext(widget) append $blt_htext(widget).quit
- %% button when you've seen enough. %%
- label $blt_htext(widget).logo -bitmap BLT
- $blt_htext(widget) append $blt_htext(widget).logo
- %%}
-
- blt_graph .graph
-
- .graph xaxis configure -step 90 -command formatXLabels -subticks 0
- .graph yaxis configure -rotate 90.0
-
- proc formatXLabels {graph x} {
- return "[expr int($x)]\260"
- }
-
- .graph element create sin(x) \
- -symbol circle \
- -bg powderblue \
- -fg navyblue \
- -linewidth 2
-
- .graph element create cos(x) \
- -symbol circle \
- -fg magenta \
- -bg purple \
- -borderwidth 1 \
- -linewidth 2
-
- pack append . \
- .graph { fill expand } \
- .msg { padx 20 pady 10 }
- wm min . 0 0
-
- set x [expr 3.14159265358979323846/180.0]
- puts stderr "Generating data..."
- for { set i -360 } { $i <= 360 } { incr i 5 } {
- set radians [expr $i*$x]
- .graph element append sin(x) { $i sin($radians) }
- .graph element append cos(x) { $i cos($radians) }
- }
- puts stderr "done."
-
- set sine [lindex [.graph element configure sin(x) -data] 4]
- set fill [concat -360 min $sine 360 min]
- .graph tag create polygon $fill
-
- source features.tcl
- SetActiveLegend .graph
- SetClosestPoint .graph
- SetZoom .graph
- SetPrint .graph
-