--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@data3D/copy.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,35 @@
+% COPY copies all fields of the data3D class to the new object.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: COPY copies all fields of the data3D class to the new
+%              object.
+%
+% CALL:        b = copy(new, old, flag)
+%
+% INPUTS:      new  - new object which should be created in the sub class.
+%              old  - old object
+%              flag - 1: make a deep copy, 0: return copies of handles
+%
+% OUTPUTS:     b - copy of inputs
+%
+% VERSION:     $Id: copy.m,v 1.1 2009/08/14 10:53:05 ingo Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = copy(new, old, deepcopy)
+  
+  if deepcopy
+    obj = copy@data2D(new, old, 1);
+    
+    for kk = 1:numel(obj)
+      %%% copy all fields of the data3D class
+      obj(kk).zunits = copy(old(kk).zunits,1);
+      obj(kk).z      = old(kk).z;
+    end
+    
+  else
+    obj = old;
+  end
+  
+  varargout{1} = obj;
+end