Mercurial > forge
view extra/fpl/deprecated/FPL2vtkoutputdata.m @ 12671:20e8aca47b2c octave-forge
prepare for release
author | cdf |
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date | Mon, 17 Aug 2015 10:19:39 +0000 |
parents | extra/fpl/inst/deprecated/FPL2vtkoutputdata.m@2748190086ad |
children |
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## Copyright (C) 2008 Carlo de Falco ## ## This program 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. ## ## This program 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 this program; if not, write to the Free Software ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## -*- texinfo -*- ## @deftypefn {Function File} {} FPL2vtkoutputdata ( @var{filename}, @var{p}, @var{t}, @var{nodedata}, @var{celldata}, @var{header}, @var{vtkver}) ## ## Save data in VTK ASCII format. ## ## @itemize @minus ## @item @var{filename} = name of file to save into ## @item @var{p}, @var{t} = mesh node coordinates and connectivity ## @item @var{name} = name of a mesh variable ## @item @var{nodedata}/@var{celldata} = node/cell centered data ## fields (2xNfields cell array), @var{*data}@{:,1@} = variable names; ## @var{*data}@{:,2@} = variable data; ## @item @var{header} comment to add in the file header ## @item @var{vtkver} format version (default is 3.0) ## @end itemize ## ## @seealso{FPL2dxoutputdata} ## @end deftypefn function FPL2vtkoutputdata (filename, p, t, nodedata, celldata, header, vtkver) fid = fopen (filename, "w"); if ( fid ) ## version ID if (!exist("vtkver")) vtkver = [3 0]; endif fprintf (fid, "# vtk DataFile Version %d.%d\n", vtkver(1), vtkver(2)); ## header if (!exist("header")) header = ""; elseif (length(header) > 255) header (255:end) = []; endif fprintf (fid, "%s\n", header); ## File format: only ASCII supported for the moment fprintf (fid, "ASCII\n"); ## Mesh: only triangles suported fprintf (fid, "DATASET UNSTRUCTURED_GRID\n"); Nnodes = columns(p); fprintf (fid,"POINTS %d double\n", Nnodes); fprintf (fid,"%g %g 0\n", p); Nelem = columns(t); T = zeros(4,Nelem); T(1,:)= 3; T(2:4,:) = t(1:3,:) -1; fprintf (fid,"CELLS %d %d\n", Nelem, Nelem*4); fprintf (fid,"%d %d %d %d\n", T); fprintf (fid,"CELL_TYPES %d \n", Nelem); fprintf (fid,"%d\n", 5*ones(Nelem,1)); ## node data if (exist("nodedata")) nfields = rows(nodedata); if nfields fprintf (fid,"POINT_DATA %d\n", Nnodes); for ifield = 1:nfields V = nodedata {ifield, 2}; N = nodedata {ifield, 1}; if (isvector (V)) fprintf (fid,"SCALARS %s double\nLOOKUP_TABLE default\n", N); fprintf (fid,"%g\n", V); else V(:,3) = 0; fprintf (fid,"VECTORS %s double\nLOOKUP_TABLE default\n", N); fprintf (fid,"%g %g %g\n", V); endif endfor endif endif ## cell data if (exist("celldata")) nfields = rows(celldata); if nfields fprintf (fid,"CELL_DATA %d\n", Nelem); for ifield = 1:nfields V = celldata {ifield, 2}; N = celldata {ifield, 1}; if (isvector (V)) fprintf (fid,"SCALARS %s double\nLOOKUP_TABLE default\n", N); fprintf (fid,"%g\n", V); else V(:,3) = 0; fprintf (fid,"VECTORS %s double\nLOOKUP_TABLE default\n", N); fprintf (fid,"%g %g %g\n", V); endif endfor endif endif ## cleanup fclose (fid); else error(["FPL2vtkoutputdata: could not open file " filename]); endif endfunction %!test %! msh.p =[ 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 %! 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3]; %! msh.e =[1 5 9 13 14 15 4 8 12 1 2 3 %! 5 9 13 14 15 16 8 12 16 2 3 4 %! 0 0 0 0 0 0 0 0 0 0 0 0 %! 0 0 0 0 0 0 0 0 0 0 0 0 %! 1 1 1 2 2 2 3 3 3 4 4 4 %! 0 0 0 0 0 0 0 0 0 0 0 0 %! 1 1 1 1 1 1 1 1 1 1 1 1]; %! msh.t =[ 1 2 3 5 6 7 9 10 11 1 2 3 5 6 7 9 10 11 %! 5 6 7 9 10 11 13 14 15 6 7 8 10 11 12 14 15 16 %! 6 7 8 10 11 12 14 15 16 2 3 4 6 7 8 10 11 12 %! 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1]; %! testfile = "# vtk DataFile Version 3.0\n\nASCII\nDATASET UNSTRUCTURED_GRID\nPOINTS 16 double\n0 0 0\n0 1 0\n0 2 0\n0 3 0\n1 0 0\n1 1 0\n1 2 0\n1 3 0\n2 0 0\n2 1 0\n2 2 0\n2 3 0\n3 0 0\n3 1 0\n3 2 0\n3 3 0\nCELLS 18 72\n3 0 4 5\n3 1 5 6\n3 2 6 7\n3 4 8 9\n3 5 9 10\n3 6 10 11\n3 8 12 13\n3 9 13 14\n3 10 14 15\n3 0 5 1\n3 1 6 2\n3 2 7 3\n3 4 9 5\n3 5 10 6\n3 6 11 7\n3 8 13 9\n3 9 14 10\n3 10 15 11\nCELL_TYPES 18 \n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\n5\nPOINT_DATA 16\nSCALARS u double\nLOOKUP_TABLE default\n0\n0\n0\n0\n1\n1\n1\n1\n2\n2\n2\n2\n3\n3\n3\n3\n"; %! FPL2vtkoutputdata ("__FPL2vtkoutputdata__test__.vtk", msh.p, msh.t, {"u", msh.p(1,:).'}); %! fid = fopen("__FPL2vtkoutputdata__test__.vtk","r"); %! s = fread(fid); %! fclose(fid); %! assert (char(s'), testfile); %! delete __FPL2vtkoutputdata__test__.vtk