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ncx, NetCDF eXplorer

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ncx, NetCDF eXplorer

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20 Dec 2005 (Updated )

Interface for NetCDF visualisation

LabelSafe(theLabel)
function theResult = LabelSafe(theLabel)

% LabelSafe -- Safe label for axes.
%  LabelSafe('theLabel') modifies 'theLabel' by
%   "escaping" instances of '\', '_', and '\^',
%   after removing all instances of char(0) and '\0'.
%   Existing escapes remain intact.   The result is
%   suitable as a title or axis label on a graph.
%  LabelSafe (no argument) demonstrates itself.
 
% Copyright (C) 1997 Dr. Charles R. Denham, ZYDECO.
%  All Rights Reserved.
%   Disclosure without explicit written consent from the
%    copyright owner does not constitute publication.
 
% Version of 01-Aug-1997 14:37:55.
% Version of 17-Nov-1997 13:35:12.

if nargin < 1
   help(mfilename)
   label = '\0_hello\world^';
   result = labelsafe(label);
   begets(mfilename, 1, label, result)
   return
end

result = theLabel;

if ~isempty(result)
   result = strrep(result, char(0), '');
   result = strrep(result, '\0', '');

   result = strrep(result, '\\', char(1));
   result = strrep(result, '\_', char(2));
   result = strrep(result, '\^', char(3));

   result = strrep(result, '\', '\\');
   result = strrep(result, '_', '\_');
   result = strrep(result, '^', '\^');

   result = strrep(result, char(1), '\\');
   result = strrep(result, char(2), '\_');
   result = strrep(result, char(3), '\^');
end

if ~isempty(result)
   f = find(result ~= ' ');
   if any(f)
      result = result(f(1):f(length(f)));
   end
end

if nargout > 0
   theResult = result;
   else
   disp(result)
end

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