subtri
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[Fs,Vs]=subtri(F,V,n)
Sub-triangulates the triangles defined by the patch format data F (faces) and V (vertices). Can be used to increase the density of triangulated data or to triangulate the icosahedron to create geodesic sphere triangulations with desired density.
Creates n addition points on the edges of the initial triangles, thus it creates (n+1).^2 triangles per original triangle. No double points are introduced.
EXAMPLE
[X,Y] = meshgrid(linspace(-10,10,15));
Z = sinc(sqrt((X/pi).^2+(Y/pi).^2));
F = delaunay(X,Y); V=[X(:) Y(:) Z(:)]; C=mean(Z(F),2);
n=2;
[Fs,Vs]=subtri(F,V,n);
Vs(:,3)=sinc(sqrt((Vs(:,1)/pi).^2+(Vs(:,2)/pi).^2)); Z=Vs(:,3);Cs=mean(Z(Fs),2);
figure('units','normalized','Position',[0 0 1 1],'Color','w'); colordef('white');
subplot(1,2,1);patch('Faces',F,'Vertices',V,'FaceColor','flat','CData',C,'FaceAlpha',0.5,'EdgeColor','k','LineWidth',2); hold on;
axis tight; axis square; grid on; hold on; view(3); axis off;
title('Original','FontSize',20);
subplot(1,2,2);patch('Faces',Fs,'Vertices',Vs,'FaceColor','flat','CData',Cs,'FaceAlpha',0.5,'EdgeColor','k','LineWidth',0.5); hold on;
axis tight; axis square; grid on; hold on; view(3); axis off;
title(['n=',num2str(n)],'FontSize',20);
Free download from Shareware Connection - Sub-triangulates the triangles defined by the patch format data F (faces) and V (vertices)
Version: 1.0 | Size: 10 KB | Platform: Matlab, Scripts
Released Date: 09-05-2013 | Rating: 0 | Title: subtri
Author Url: http://www.mathworks.com
Program Info Url: http://www.mathworks.com
Download Url: http://www.mathworks.com/matlabcentral/fx_files/28277/3/subtri.zip
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Shareware Connection periodically updates pricing and software information of 'subtri' from company source 'Kevin Moerman' , so some information may be slightly out-of-date. You should confirm all information before relying on it. Software piracy is theft, Using 'subtri' crack, password, serial numbers, registration codes, key generators is illegal and prevent future development of subtri.
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