--- /dev/null
+function resu = df_allmeta(df, dim = [])
+
+ %# function resu = df_allmeta(df)
+ %# Returns a new dataframe, initalised with the all the
+ %# meta-information but with empty data
+
+ %% Copyright (C) 2009-2012 Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
+ %%
+ %% This file is part of Octave.
+ %%
+ %% Octave is free software; you can redistribute it and/or
+ %% modify it under the terms of the GNU General Public
+ %% License as published by the Free Software Foundation;
+ %% either version 2, or (at your option) any later version.
+ %%
+ %% Octave is distributed in the hope that it will be useful,
+ %% but WITHOUT ANY WARRANTY; without even the implied
+ %% warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ %% PURPOSE. See the GNU General Public License for more
+ %% details.
+ %%
+ %% You should have received a copy of the GNU General Public
+ %% License along with Octave; see the file COPYING. If not,
+ %% write to the Free Software Foundation, 51 Franklin Street -
+ %% Fifth Floor, Boston, MA 02110-1301, USA.
+
+ %#
+ %# $Id: df_allmeta.m 9585 2012-02-05 15:32:46Z cdemills $
+ %#
+
+ resu = dataframe([]);
+
+ if (isempty(dim)),
+ dim = df._cnt(1:2);
+ else
+ dim = dim(1:2); %# ignore third dim, if any
+ endif
+
+ resu._cnt(1:2) = min(dim, df._cnt(1:2));
+ if (!isempty(df._name{1})),
+ resu._name{1} = df._name{1}(1:resu._cnt(1));
+ resu._over{1} = df._over{1}(1:resu._cnt(1));
+ endif
+ if (!isempty(df._name{2})),
+ resu._name{2} = df._name{2}(1:resu._cnt(2));
+ resu._over{2} = df._over{2}(1:resu._cnt(2));
+ endif
+ if (!isempty(df._ridx)),
+ if (size(df._ridx, 2) >= resu._cnt(2)),
+ resu._ridx = df._ridx(1:resu._cnt(1), :, :);
+ else
+ resu._ridx = df._ridx(1:resu._cnt(1), 1, :);
+ endif
+ endif
+ %# init it with the right orientation
+ resu._data = cell(size(df._data));
+ resu._rep = cell(size(df._rep));
+ resu._type = df._type(1:resu._cnt(2));
+ resu._src = df._src;
+ resu._cmt = df._cmt;
+
+endfunction