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diff --git a/ds9/library/cpanda.tcl b/ds9/library/cpanda.tcl
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+#  Copyright (C) 1999-2016
+#  Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+#  For conditions of distribution and use, see copyright notice in "copyright"
+
+package provide DS9 1.0
+
+proc PandaDialog {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    # see if we already have a header window visible
+    if {[winfo exists $var(top)]} {
+	raise $var(top)
+	return
+    }
+
+    # procs
+    set var(which) panda
+    set var(proc,apply) PandaApply
+    set var(proc,close) PandaClose
+    set var(proc,generate) PandaGenerate
+    set var(proc,coordCB) PandaCoordCB
+    set var(proc,editCB) PandaEditCB
+    set var(proc,distCB) PandaDistCB
+
+    # base panda dialog
+    MarkerBasePandaDialog $varname
+
+    set f $var(top).param
+
+    # Radius
+    ttk::label $f.tinner -text [msgcat::mc {Inner}]
+    ttk::label $f.touter -text [msgcat::mc {Outer}]
+    ttk::label $f.tradius -text [msgcat::mc {Radius}]
+    ttk::entry $f.inner -textvariable ${varname}(inner) -width 13
+    ttk::entry $f.outer -textvariable ${varname}(outer) -width 13
+    DistMenuButton $f.uradius $varname dcoord 1 dformat \
+	[list $var(proc,distCB) $varname]
+    DistMenuEnable $f.uradius.menu $varname dcoord 1 dformat
+
+    # Annuli
+    ttk::label $f.tannuli -text [msgcat::mc {Annuli}]
+    ttk::entry $f.annuli -textvariable ${varname}(annuli) -width 13
+
+    grid x $f.tinner $f.touter -padx 2 -pady 2 -sticky w
+    grid $f.tradius $f.inner $f.outer $f.uradius -padx 2 -pady 2 -sticky w
+    grid $f.tannuli $f.annuli -padx 2 -pady 2 -sticky w
+
+    # init - do this last
+    PandaDistCB $varname
+}
+
+# actions
+
+proc PandaClose {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    MarkerBasePandaClose $varname
+}
+
+proc PandaApply {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    MarkerBasePandaApply $varname
+}
+
+proc PandaGenerate {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    MarkerBaseAnnulusGenerateCircle $varname
+    MarkerBasePandaGenerateAngles $varname
+}
+
+# callbacks
+
+proc PandaCoordCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "PandaCoordCB"
+    }
+
+    MarkerBasePandaCoordCB $varname
+}
+
+proc PandaEditCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "PandaEditCB"
+    }
+
+    set t [$var(frame) get marker $var(id) panda radius \
+	       $var(dcoord) $var(dformat)]
+
+    set last [expr [llength $t]-1]
+    set var(inner) [lindex $t 0]
+    set var(outer) [lindex $t $last]
+    set var(annuli) $last
+
+    $var(annulitxt) delete 1.0 end
+    $var(annulitxt) insert end "$t"
+
+    set a [$var(frame) get marker $var(id) panda angle $var(system) $var(sky)]
+
+    set last [expr [llength $a]-1]
+    set var(ang1) [lindex $a 0]
+    set var(ang2) [lindex $a $last]
+    set var(angnum) $last
+
+    $var(angtxt) delete 1.0 end
+    $var(angtxt) insert end "$a"
+}
+
+proc PandaDistCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "PandaDistCB"
+    }
+
+    MarkerBasePandaDistCB $varname
+}