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author | i7tiol |
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date | Sat, 27 Feb 2016 11:21:29 +0000 |
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## Copyright (C) 2006,2007,2008,2009,2010 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/>. ## ## author: Carlo de Falco <cdf _AT_ users.sourceforge.net> ## author: Massimiliano Culpo <culpo _AT_ users.sourceforge.net> ## -*- texinfo -*- ## @deftypefn {Function File} {} fpl_dx_write_series (@var{basename}, @ ## @var{mesh}, @var{u}, @var{sp}, @var{attr_name}, @var{attr_rank}, @ ## @var{attr_shape}) ## ## Output data series in ASCII Open-DX format. ## ## @var{basename} is a string containing the base-name of the dx file where the ## data will be saved. ## ## @var{mesh} is a PDE-tool like mesh, like the ones generated by the ## "msh" package. ## ## @var{u} is the series to be saved. It should represent scalar, vector ## or tensor of doubles. @var{sp} is the vector of the sampled points ## (e.g. time points in the case of a time series). ## ## @var{attr_name} is a descriptive name for the series @var{u}, while ## @var{attr_rank} is the rank of the field items (0 for scalar, 1 for ## vector, etc.) and @var{attr_shape} is the number of components of the ## field items (assumed 1 for scalar). ## ## @seealso{fpl_dx_write_field} ## ## @end deftypefn function fpl_dx_write_series(basename,mesh,u,tp,attr_name,attr_rank,attr_shape) ## FIXME: add append capabilities as in fpl_dx_write_field?? if nargin!=7 error("fpl_dx_write_series: wrong number of input"); endif if !ischar(basename) error("fpl_dx_write_series: basename should be a valid string"); elseif !( isstruct(mesh) ) error("fpl_dx_write_series: mesh should be a valid structure"); elseif !ismatrix(u) error("fpl_dx_write_series: u should be a valid matrix"); elseif !ischar(attr_name) error("fpl_dx_write_series: attr_name should be a valid string"); elseif !isscalar(attr_rank) error("fpl_dx_write_series: attr_rank should be a valid scalar"); elseif !isscalar(attr_shape) error("fpl_dx_write_series: attr_shape should be a valid scalar"); ##elseif !isscalar(endfile) ##error("fpl_dx_write_series: endfile should be a valid scalar"); endif filename = [basename ".dx"]; npoints = length(tp); p = mesh.p'; dim = columns(p); # 2D or 3D if dim == 2 t = mesh.t(1:3,:)'; elseif dim == 3 t = mesh.t(1:4,:)'; else error("fpl_dx_write_series: neither 2D triangle nor 3D tetrahedral mesh"); endif nnodes = rows(p); nelems = rows(t); ndatas = rows(u); if ndatas == nnodes dep = "positions"; elseif ndatas == nelems dep = "connections"; else error("fpl_dx_write_series: neither position nor connection data type") endif ## Write field items to file idx = (1:attr_shape); for ii = 1:npoints field = u(:,idx); fname = sprintf("%s.%d",attr_name,ii); fpl_dx_write_field(basename,mesh,field,fname,attr_rank,attr_shape,0); idx += attr_shape; endfor ##if endfile fid = fopen(filename,"a"); fprintf (fid, "object \"%s_series\" class series\n",attr_name); for ii = 1:npoints fname = sprintf("%s.%d",attr_name,ii); fprintf (fid,"member %d position %g value \"%s\"\n",ii-1,tp(ii),fname); endfor fprintf (fid, "\nend\n"); fclose(fid); ##endif endfunction