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#! /usr/bin/env tclsh
# -*- tcl -*-
# # ## ### ##### ######## ############# #####################
# demo_map_tracks.tcl --
#
# This demonstration script shows a basic map.
# Tiles from OpenStreetMap, Mapnik.
# Beyond that it shows the geo/track specs found in the data directory
# # ## ### ##### ######## ############# #####################
## Requirements
package require Tcl 8.6-
# Extend the package search path so that this demonstration works with
# the non-installed tklib packages well. A regular application should
# not require this.
apply {{selfdir} {
set ::sd $selfdir
#puts ($selfdir)
lappend ::auto_path $selfdir
lappend ::auto_path [file normalize $selfdir/../../modules]
}} [file dirname [file normalize [info script]]]
package require Tk 8.6-
package require map::display
package require map::provider::osm
package require map::track::map-display
package require map::track::store::fs
package require map::track::store::memory
package require map::track::table-display
# # ## ### ##### ######## ############# #####################
proc main {} {
do $::env(HOME)/.cache/demo [cmdline]
vwait __forever__
}
proc cmdline {} {
global argv sd
switch -exact -- [llength $argv] {
0 { global sd ; return $sd/data }
1 { return [lindex $argv 0] }
default usage
}
}
proc usage {} {
global argv0
puts stderr "Usage: $argv0 ?datadir?"
exit 1
}
proc do {cachedir datadir} {
file mkdir $cachedir
map provider osm TILE $cachedir
map track store fs FS $datadir
map track store memory MEM FS
wm withdraw .
toplevel .m
wm title .m "Map Display + Tracks"
wm iconname .m "MAP"
map display .m.map \
-provider TILE \
-initial-geo [home] \
-initial-zoom [expr {[TILE levels]-1}]
map track table-display .m.tracks MEM \
-on-selection track-selected
map track map-display TRACKS .m.map MEM \
-color red \
-hilit-color SkyBlue2 \
-on-active track-active-changed
TRACKS enable
button .m.exit -command ::exit -text Exit
button .m.rehome -command rehome -text Home
grid rowconfigure .m 0 -weight 1
grid rowconfigure .m 1 -weight 0
grid columnconfigure .m 0 -weight 0
grid columnconfigure .m 1 -weight 0
grid columnconfigure .m 2 -weight 1
grid columnconfigure .m 3 -weight 0
grid columnconfigure .m 4 -weight 0
grid .m.tracks -row 0 -column 0 -sticky swen
grid .m.map -row 0 -column 1 -columnspan 4 -sticky swen
grid .m.exit -row 1 -column 1 -sticky swen
grid .m.rehome -row 1 -column 2 -sticky swn
return
}
proc track-active-changed {id} {
if {$id eq {}} return
.m.tracks focus $id
return
}
proc track-selected {id} {
TRACKS focus $id
return
}
proc rehome {} { .m.map center [home] }
proc home {} { return {51.667205 6.451442} } ;# Xanten Ampitheater/Coliseum
main
exit 0
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