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# Copyright (C) 1999-2018
# Smithsonian Astrophysical Observatory, Cambridge, MA, USA
# For conditions of distribution and use, see copyright notice in "copyright"
package provide DS9 1.0
proc LoadMultiFrameFile {fn} {
set path {}
if {[string range $fn 0 4] == "stdin" ||
[string range $fn 0 4] == "STDIN" ||
[string range $fn 0 0] == "-"} {
set path [tmpnam {.fits}]
catch {
set ch [open "$path" w]
fconfigure stdin -translation binary -encoding binary
fconfigure $ch -translation binary -encoding binary
puts -nonewline $ch [read stdin]
close $ch
}
}
LoadMultiFrameAlloc $path $fn
}
proc LoadMultiFrameSocket {sock fn} {
set path [tmpnam {.fits}]
catch {
set ch [open "$path" w]
fconfigure $ch -translation binary -encoding binary
fconfigure $sock -translation binary -encoding binary
puts -nonewline $ch [read $sock]
close $ch
}
set rr [LoadMultiFrameAlloc $path $fn]
if {!$rr} {
if {$path != {}} {
catch {file delete -force $path}
}
}
return $rr
}
proc LoadMultiFrameAlloc {path fn} {
global loadParam
global current
global ds9
set ext 0
set cnt 0
set did 0
set need 0
# start with new frame?
if {$current(frame) != {}} {
switch -- [$current(frame) get type] {
base {
if {[$current(frame) has fits]} {
CreateFrame
set did 1
}
}
rgb -
3d {
CreateFrame
set did 1
}
}
} else {
CreateFrame
}
while {1} {
# create a new frame
if {$need} {
CreateFrame
set did 1
}
# ProcessLoad will clear loadParam each time
# can be gz, so use allocgz
set loadParam(file,type) fits
set loadParam(file,mode) {}
set loadParam(load,type) allocgz
set loadParam(load,layer) {}
if {$path != {}} {
set loadParam(file,name) "stdin\[$ext\]"
set loadParam(file,fn) "$path\[$ext\]"
} else {
set loadParam(file,name) "$fn\[$ext\]"
set loadParam(file,fn) "$fn\[$ext\]"
}
if {![ProcessLoad 0]} {
if {$ext} {
InitError xpa
if {$did} {
DeleteCurrentFrame
incr ds9(next,num) -1
}
if {!$cnt} {
Error "[msgcat::mc {Unable to load}] $loadParam(file,type) $loadParam(file,mode) $loadParam(file,name)"
return 0
}
break;
}
} else {
# ignore any bin tables
if {![$current(frame) has fits bin]} {
incr cnt
set need 1
} else {
set need 0
}
}
incr ext
}
if {$path != {}} {
catch {file delete -force $path}
}
# go into tile mode if more than one
if {$cnt && $current(display) != "tile"} {
set current(display) tile
DisplayMode
}
return 1
}
proc ProcessMultiFrameCmd {varname iname sock fn} {
upvar $varname var
upvar $iname i
global parse
set parse(sock) $sock
set parse(fn) $fn
multiframe::YY_FLUSH_BUFFER
multiframe::yy_scan_string [lrange $var $i end]
multiframe::yyparse
incr i [expr $multiframe::yycnt-1]
}
proc MultiframeCmdLoad {param} {
global parse
if {$parse(sock) != {}} {
# xpa
global tcl_platform
switch $tcl_platform(os) {
Linux -
Darwin -
SunOS {
if {![LoadMultiFrameSocket $parse(sock) $param]} {
InitError xpa
LoadMultiFrameFile $param
}
}
{Windows NT} {LoadMultiFrameFile $param}
}
} else {
# comm
if {$parse(fn) != {}} {
LoadMultiFrameAlloc $parse(fn) $param
} else {
LoadMultiFrameFile $param
}
}
FinishLoad
}
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