adding plot_2d input variable

git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@9649 c92efa57-630b-4861-b058-cf58834340f0

GUI/PWgui/modules/bands/bands-help.tcl

@@ -129,6 +129,31 @@ without changing their order.
 }
 
 
+# ------------------------------------------------------------------------
+help plot_2d -helpfmt helpdoc -helptext {
+      <ul>
+<li> <em>Variable: </em><big><b>plot_2d</b></big>
+</li>
+<br><li> <em>Type: </em>LOGICAL</li>
+<br><li> <em>Default: </em> .false.
+         </li>
+<br><li> <em>Description:</em>
+</li>
+<blockquote><pre>
+If .true. writes the eigenvalues in the output file
+in a 2D format readable by gnuplot. Band ordering is not
+changed. Each band is written in a different file called
+filband.# with the format:
+xk, yk, energy
+xk, yk, energy
+..  ..  ..
+enegies are written in eV and xk in units 2\pi/a.
+         </pre></blockquote>
+</ul>      
+      
+}
+
+
 # ------------------------------------------------------------------------
 grouphelp {firstk lastk} -helpfmt helpdoc -helptext {
     <ul>

GUI/PWgui/modules/bands/bands.tcl

@@ -58,6 +58,13 @@ module Bands\#auto -title "PWSCF GUI: module Bands.x" -script {
 		-value     { .true. .false. }
 		-widget    radiobox
 	    }
+
+	    var plot_2d { 
+		-label "Print the eigenvalues in 2D gnuplot's format (plot_2d):"
+		-textvalue { Yes No }
+		-value     { .true. .false. }
+		-widget    radiobox
+	    }
 	    
 	    separator -label "--- Range of k-points for symmetry analysis ---"