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#----------------------------------------------------------------------------
# $Id: tcldemos.tcl 11477 2011-01-11 08:22:48Z arjenmarkus $
#
# PLplot TCL demos
#
# Maurice LeBrun
# IFS, University of Texas at Austin
# 23-Jun-1994
#
# To plot these, start up pltcl with the argument "standard_examples".
# Choose one of the devices to start the demo. Press the space bar
# to move to the next window or to the next example
#
# Note: each demo proc is supplied a widget argument if run from a widget,
# or "loopback" if being run from pltcl. In the latter case, the
# "loopback cmd" does nothing but is required to make the two styles of
# Tcl scripts compatible.
#----------------------------------------------------------------------------
proc sourceUtf8 {sourceFile} {
if { [encoding system] != "utf-8" } {
if { [package vsatisfies [info patch] 8.5] } {
source -encoding utf-8 $sourceFile
} else {
#
# Pre-Tcl 8.5
#
set infile [open $sourceFile]
set contents [read $infile]
close $infile
eval [encoding convertfrom utf-8 \
[encoding convertto [encoding system] $contents]]
}
} else {
source $sourceFile
}
}
set utf8_examples {4 18 24 26 33}
for {set i 1} {$i <= 31} {incr i} {
set demo x[format "%02d" $i]
#
# If the source code contains UTF-8 characters (beyond the
# ASCII-7 encoding), take special measures
#
if { [lsearch $utf8_examples $i] < 0 } {
source $demo.tcl
} else {
sourceUtf8 $demo.tcl
}
# restore defaults
proc $i {} "
$demo
loopback cmd pleop
loopback cmd plcol0 1
loopback cmd plsori 0
loopback cmd plspal0 cmap0_default.pal
loopback cmd plspal1 cmap1_default.pal 1
loopback cmd plstransform NULL
"
}
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