X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fplot%2Fmeshc.m;fp=octave_packages%2Fm%2Fplot%2Fmeshc.m;h=0ce9034d60b2446b24893f5437977e0c0372f03f;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278 diff --git a/octave_packages/m/plot/meshc.m b/octave_packages/m/plot/meshc.m new file mode 100644 index 0000000..0ce9034 --- /dev/null +++ b/octave_packages/m/plot/meshc.m @@ -0,0 +1,61 @@ +## Copyright (C) 1996-2012 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 3 of the License, 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, see +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {} meshc (@var{x}, @var{y}, @var{z}) +## Plot a mesh and contour given matrices @var{x}, and @var{y} from +## @code{meshgrid} and a matrix @var{z} corresponding to the @var{x} and +## @var{y} coordinates of the mesh. If @var{x} and @var{y} are vectors, +## then a typical vertex is (@var{x}(j), @var{y}(i), @var{z}(i,j)). Thus, +## columns of @var{z} correspond to different @var{x} values and rows of +## @var{z} correspond to different @var{y} values. +## @seealso{meshgrid, mesh, contour} +## @end deftypefn + +function h = meshc (varargin) + + newplot (); + + tmp = surface (varargin{:}); + + ax = get (tmp, "parent"); + + set (tmp, "facecolor", "w"); + set (tmp, "edgecolor", "flat"); + ## FIXME - gnuplot does not support a filled surface and a + ## non-filled contour. 3D filled patches are also not supported. + ## Thus, the facecolor will be transparent for the gnuplot + ## backend. + + if (! ishold ()) + set (ax, "view", [-37.5, 30], + "xgrid", "on", "ygrid", "on", "zgrid", "on"); + endif + + drawnow (); + zmin = get (ax, "zlim")(1); + + [c, tmp2] = __contour__ (ax, zmin, varargin{:}); + + tmp = [tmp; tmp2]; + + if (nargout > 0) + h = tmp; + endif + +endfunction