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Dump2VTK: spherical mesh support

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This commit is contained in:
Thorsten Liebig 2011-11-28 14:10:22 +01:00
parent 32a759757f
commit 43179fb6e8
1 changed files with 33 additions and 0 deletions
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33
matlab/Dump2VTK.m
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@ -87,6 +87,39 @@ elseif (mesh.type==1) %write cylindrical mesh to vtk
fields = field_CC; fields = field_CC;
clear R A Z sinA cosA field_CC clear R A Z sinA cosA field_CC
end end
elseif (mesh.type==2) %write spherical mesh to vtk
fprintf(fid,'# vtk DataFile Version 3.0\n');
fprintf(fid,'Structured Grid by matlab-interface of openEMS\n');
fprintf(fid,'ASCII\n');
fprintf(fid,'DATASET STRUCTURED_GRID\n');
fprintf(fid,'DIMENSIONS %d %d %d\n',numel(x),numel(y),numel(z));
fprintf(fid,'POINTS %d double\n',numel(x)*numel(y)*numel(z));
for nz=1:numel(z)
for ny=1:numel(y)
for nx=1:numel(x)
fprintf(fid,'%e %e %e\n',...
x(nx)*sin(y(ny))*cos(z(nz)),...
x(nx)*sin(y(ny))*sin(z(nz)),...
x(nx)*cos(y(ny)));
end
end
end
if (ndims(fields)==4)
[R T A] = ndgrid(x,y,z);
sinA = sin(A);
cosA = cos(A);
sinT = sin(T);
cosT = cos(T);
field_CC(:,:,:,1) = fields(:,:,:,1) .* sinT .* cosA + fields(:,:,:,2) .*cosT .* cosA - fields(:,:,:,3) .* sinA;
field_CC(:,:,:,2) = fields(:,:,:,1) .* sinT .* cosA + fields(:,:,:,2) .*cosT .* sinA + fields(:,:,:,3) .* cosA;
field_CC(:,:,:,3) = fields(:,:,:,1) .* cosT - fields(:,:,:,2) .*sinT;
fields = field_CC;
clear R A T sinA cosA sinT cosT field_CC
end
end end