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view extra/fpl/inst/deprecated/FPL2pdesurf.m @ 10655:2748190086ad octave-forge
prepare for release (again)
author | cdf |
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date | Wed, 08 Aug 2012 12:20:17 +0000 |
parents | 79655a0cc43e |
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## Copyright (C) 2004-2008,2009 Carlo de Falco, Massimiliano Culpo ## ## This file is part of ## ## FPL - Fem PLotting package for octave ## ## FPL 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. ## ## FPL 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 FPL; If not, see <http://www.gnu.org/licenses/>. ## ## ## AUTHORS: ## Carlo de Falco <cdf _AT_ users.sourceforge.net> ## ## Culpo Massimiliano ## Bergische Universitaet Wuppertal ## Fachbereich C - Mathematik und Naturwissenschaften ## Arbeitsgruppe fuer Angewandte MathematD-42119 Wuppertal Gaussstr. 20 ## D-42119 Wuppertal, Germany ## -*- texinfo -*- ## @deftypefn {Function File} {} FPL2pdesurf (@var{mesh}, @ ## @var{u} [ @var{property}, @var{value} ...]) ## ## plots the scalar field @var{u} ## defined on the triangulation @var{mesh} using opendx. ## ## options (default value): ## @itemize @minus ## @item data_dep ("positions") defines wether data depends on ## positions or connections ## @item plot_field ("scalar") defines wether to plot the scalar field ## itself or its gradient ## @end itemize ## ## @seealso{MSH2Mgmsh, MSH2Mstructmesh} ## @end deftypefn function FPL2pdesurf(varargin) data_dep = "positions"; plot_field = "scalar"; if nargin == 1 FPL2showmesh(varargin{1}); elseif nargin == 2 mesh = varargin{1}; u = varargin{2}; elseif ( (nargin > 2) && (rem(nargin,2)==0) ) mesh = varargin{1}; u = varargin{2}; for ii=3:2:nargin eval([ varargin{ii} " = """ varargin{ii+1} """;" ]); endfor else keyboard ,error(["wrong number of parameters " num2str (nargin)]) endif dataname = mktemp("/tmp",".dx"); scriptname = mktemp("/tmp",".net"); FPL2dxoutputdata(dataname,mesh.p,mesh.t,u,'u',0,1,1); switch plot_field case {"scalar","scal"} showmesh = file_in_path(path,"FPL2coloredrubbersheet.net"); case {"gradient","grad"} showmesh = file_in_path(path,"FPL2coloredgradient.net"); otherwise error ([ "incorrect value " plot_field " for option plot_field "]) endswitch system (["cp " showmesh " " scriptname]); system (["sed -i \'s|__FILE__DX__|" dataname "|g\' " scriptname]); switch data_dep case {"positions","continuous","interpolate","P1"} system (["sed -i \'s|__DATA_DEPENDENCY__|positions|g\' " scriptname]); case {"connections","discontinuous","P0"} system (["sed -i \'s|__DATA_DEPENDENCY__|positions|g\' " scriptname]); otherwise error ([ "incorrect value " data_dep " for option data_dep "]) endswitch ##command = ["dx -noConfirmedQuit -noImageRWNetFile -program " scriptname " -execute -image >& /dev/null & "]; command = ["dx -noConfirmedQuit -program " scriptname " -execute -image >& /dev/null & "]; system(command); endfunction function filename = mktemp (direct,ext); if (~exist(direct,"dir")) error("trying to save temporary file to non existing directory") endif done=false; while ~done filename = [direct,"/FPL.",num2str(floor(rand*1e7)),ext]; if ~exist(filename,"file") done =true; endif endwhile endfunction %!shared msh %!test %! msh.p = [0 0; 1 0; 1 1; 0 1].'; %! msh.t = [1 2 3 1; 1 3 4 1].'; %! msh.e = [1 2 0 0 1 0 1; 2 3 0 0 2 0 1; 3 4 0 0 3 0 1; 4 1 0 0 4 0 1].'; %! u = [0 1].'; %! FPL2pdesurf (msh, u, "data_dep", "connections"); %! s = input ("do you see a square divided into two triangles with a diagonal red-to-blue gradient color (if you see an empty plot try ctrl-F)? (y/n): " ,"s"); %! assert(s, "y") %!test %! v = [0 0 1 1].'; %! FPL2pdesurf (msh, v); %! s = input ("do you see a square divided into two triangles with a vertical red-to-blue gradient color (if you see an empty plot try ctrl-F)? (y/n): " ,"s");