Mercurial > hg > octave-nkf
diff scripts/plot/view.m @ 6257:44c91c5dfe1d
[project @ 2007-01-30 19:16:52 by jwe]
author | jwe |
---|---|
date | Tue, 30 Jan 2007 19:16:55 +0000 |
parents | |
children | 93c65f2a5668 |
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new file mode 100644 --- /dev/null +++ b/scripts/plot/view.m @@ -0,0 +1,65 @@ +## Copyright (C) 2007 John W. Eaton +## +## 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +## 02110-1301, USA. + +## -*- texinfo -*- +## @deftypefn {Function File} {} view (@var{azimuth}, @var{elevation}) +## @deftypefnx {Function File} {} view (@var{dims}) +## @deftypefnx {Function File} {[@var{azimuth}, @var{elevation}] =} view () +## Set or get the viewpoint for the current axes. +## @end deftypefn + +## Author: jwe + +function [azimuth, elevation] = view (x, y, z) + + if (nargin < 4) + if (nargin == 1) + if (x == 2) + az = 0; + el = 90; + elseif (x == 3) + az = -37.5; + el = 30; + else + error ("view: expecting single argument to be 2 or 3"); + endif + elseif (nargin == 2) + az = x; + el = y; + elseif (nargin == 3) + error ("view: view (x, y, z) not implemented"); + endif + + if (nargin > 0) + set (gca (), "view", [az, el]); + endif + + if (nargout == 1) + error ("view: T = view () not implemented"); + endif + + if (nargout == 2) + azimuth = az; + elevation = el; + endif + else + print_usage (); + endif + +endfunction