1 files changed, 128 insertions, 0 deletions
diff --git a/ds9/library/projection.tcl b/ds9/library/projection.tcl
new file mode 100644
index 0000000..9dc331e
--- /dev/null
+++ b/ds9/library/projection.tcl
@@ -0,0 +1,128 @@
+#  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 ProjectionDialog {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    # see if we already have a header window visible
+    if {[winfo exists $var(top)]} {
+	raise $var(top)
+	return
+    }
+
+    # variables
+    set rr [$var(frame) get wcs]
+    set var(tcoord) [lindex $rr 0]
+    set var(tformat) degrees
+    AdjustCoordSystem $varname tcoord
+
+    # procs
+    set var(which) projection
+    set var(proc,apply) ProjectionApply
+    set var(proc,coordCB) ProjectionCoordCB
+    set var(proc,editCB) ProjectionEditCB
+    set var(proc,distCB) ProjectionDistCB
+
+    # base
+    MarkerBaseLineDialog $varname 500 200
+
+    # analysis
+    $var(mb) add cascade -label [msgcat::mc {Analysis}] -menu $var(mb).analysis
+    menu $var(mb).analysis
+
+    # plot2d
+    MarkerAnalysisPlot2dDialog $varname
+
+    # init
+    ProjectionThickCB $varname
+
+    set f $var(top).param
+
+    # Thick
+    ttk::label $f.tthick -text [msgcat::mc {Thickness}]
+    ttk::entry $f.thick -textvariable ${varname}(thick) -width 13
+    DistMenuButton $f.uthick $varname tcoord 1 tformat \
+	[list ProjectionThickCB $varname]
+    DistMenuEnable $f.uthick.menu $varname tcoord 1 tformat
+
+    grid $f.tthick $f.thick $f.uthick -padx 2 -pady 2 -sticky w
+}
+
+# actions
+
+proc ProjectionApply {varname} {
+    upvar #0 $varname var
+    global $varname
+
+    $var(frame) marker $var(id) projection $var(system) $var(sky) \
+	$var(x) $var(y) $var(x2) $var(y2) \
+	$var(thick) $var(tcoord) $var(tformat)
+
+    MarkerBaseLineApply $varname
+}
+
+# callbacks
+
+proc ProjectionCoordCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "ProjectionCoordCB"
+    }
+
+    MarkerAnalysisPlot2dSystem $varname
+    MarkerBaseCoordCB $varname
+    ProjectionEditCB $varname
+}
+
+proc ProjectionEditCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "ProjectionEditCB"
+    }
+
+    MarkerBaseLineEditCB $varname
+
+    set var(dist) [$var(frame) get marker $var(id) projection length \
+		       $var(dcoord) $var(dformat)]
+    set var(thick) [$var(frame) get marker $var(id) projection thick \
+			$var(tcoord) $var(tformat)]
+    set var(angle) [$var(frame) get marker $var(id) angle \
+			$var(system) $var(sky)]
+}
+
+proc ProjectionDistCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "ProjectionDistCB"
+    }
+
+    set var(dist) [$var(frame) get marker $var(id) projection length \
+		       $var(dcoord) $var(dformat)]
+}
+
+proc ProjectionThickCB {varname {dummy {}}} {
+    upvar #0 $varname var
+    global $varname
+
+    global debug
+    if {$debug(tcl,marker)} {
+	puts stderr "ProjectionThickCB"
+    }
+
+    set var(thick) [$var(frame) get marker $var(id) projection thick \
+			$var(tcoord) $var(tformat)]
+}
+