--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@tsdata/getX.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,56 @@
+% GETX Get the property 'x'.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: Get the property 'x'.
+%
+% CALL:        val = obj.getX();
+%              val = obj.getX(idx);
+%              val = obj.getX(1:10);
+%
+% INPUTS:      obj - must be a single tsdata object.
+%              idx - index of the data samples
+%
+% VERSION:     $Id: getX.m,v 1.13 2011/07/05 06:32:40 mauro Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function x = getX(obj, idx)
+
+  ly = length(obj.y);
+  sx = size(obj.x);
+  ts = 1/obj.fs;
+  if sx(1) == 0 && sx(2) == 0 && ly>0
+    x = 0:ts:obj.nsecs-ts; %linspace(0, obj.nsecs-1/obj.fs, obj.nsecs*obj.fs);
+  else
+    x = obj.x;
+  end
+
+  % return always a column vector
+  if size(x,1) == 1
+    x = x.';
+  end
+
+  % add the toffset
+  x = x + obj.toffset / 1000;
+  
+  % We can have rounding errors for strange sample rates and Nsecs
+  if length(x) < ly
+    while length(x) < ly
+      x = [x; x(end)+ts];
+    end
+  end
+  
+  if length(x) ~= ly
+    x = x(1:length(obj.y));
+  end
+  
+  if nargin == 2
+    if strcmpi(idx, 'end')
+      x = x(end);
+    else
+      x = x(idx);
+    end
+  end
+
+end
+