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subtri 1.0
File ID: 78303

subtri 1.0
Download subtri 1.0http://www.mathworks.comReport Error Link
License: Freeware
File Size: 10.0 KB
Downloads: 1
Submit Rating:
subtri 1.0 Description
Description: [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.

[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);

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;
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;

License: Freeware

Related: introduced, examplexy, meshgridlinspace, sincsqrtxpi bypi, Double, Triangle, creates, n2b12, original, delaunayxy, dmeanzf fsvs dsubtrifvnvs dsincsqrtvs bvs, Square, View, offtitle num strn fontsize, tight, onaxis, dvs dmeanzfs figure units normalized pos

O/S:BSD, Linux, Solaris, Mac OS X

File Size: 10.0 KB

Downloads: 1

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