1 files changed, 96 insertions, 0 deletions
diff --git a/ds9/library/envi.tcl b/ds9/library/envi.tcl
new file mode 100644
index 0000000..a510c51
--- /dev/null
+++ b/ds9/library/envi.tcl
@@ -0,0 +1,96 @@
+#  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 ImportENVIFile {hdr fn} {
+    global loadParam
+
+    set loadParam(file,type) envi
+    set loadParam(file,mode) {}
+    set loadParam(load,type) smmap
+    set loadParam(file,name) $fn
+    set loadParam(file,header) $hdr
+    set loadParam(load,layer) {}
+
+    ProcessLoad
+}
+
+proc ExportENVIFile {hdr fn opt} {
+    global current
+
+    if {$fn == {} || $current(frame) == {}} {
+	return
+    }
+
+    if {![$current(frame) has fits]} {
+	return
+    }
+
+    $current(frame) save envi file "\{$hdr\}" "\{$fn\}" $opt
+}
+
+proc ProcessENVICmd {varname iname sock fn} {
+    upvar $varname var
+    upvar $iname i
+
+    global loadParam
+    global current
+
+    set layer {}
+
+    switch -- [string tolower [lindex $var $i]] {
+	new {
+	    incr i
+	    CreateFrame
+	}
+	mask {
+	    incr i
+	    # not supported
+	}
+	slice {
+	    incr i
+	    # not supported
+	}
+    }
+
+    StartLoad
+    if {$sock != {}} {
+	# xpa
+	if {0} {
+	    # not supported
+	} else {
+	    set fn [lindex $var $i]
+	    set fn2 [lindex $var [expr $i+1]]
+	    if {$fn2 == {}} {
+		set fn2 [FindENVIDataFile $fn]
+	    }
+	    ImportENVIFile $fn $fn2
+	}
+    } else {
+	# comm
+	if {0} {
+	    # not supported
+	} else {
+	    set fn [lindex $var $i]
+	    set fn2 [lindex $var [expr $i+1]]
+	    if {$fn2 == {}} {
+		set fn2 [FindENVIDataFile $fn]
+	    }
+	    ImportENVIFile $fn $fn2
+	}
+    }
+    FinishLoad
+}
+
+proc FindENVIDataFile {fn} {
+    set rn [file rootname $fn]
+    foreach ff {{bil} {bip} {bsq} {raw} {cube}} {
+	set fn2 "$rn.$ff"
+	if {[file exists $fn2]} {
+	    return $fn2
+	}
+    }
+    return {}
+}