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ºÃÏñ´ó¼Ò¶¼²»ÌÖÂÛ£¬²»ÖªµÀÊÇÈËÆø²î»¹ÊÇÌÖÂÛûÒâ˼ ¶¼È¥Ë®ÇøÁËô£¬¹þ¹þ ¸Õ²ÅÈ¥mathworks¿´ÁËÏ£¨ÊµÔÚ²»Ïë¿´Ó¢ÎÄ£¬àÅ£© »¹ÊÇÕÒµ½ÁË´ð°¸ Slicing At Arbitrary Angles You can also create slices that are oriented in arbitrary planes. To do this, * Create a slice surface in the domain of the volume (surf, linspace). * Orient this surface with respect to the axes (rotate). * Get the XData, YData, and ZData of the surface (get). * Use this data to draw the slice plane within the volume. For example, these statements slice the volume in the first example with a rotated plane. Placing these commands within a for loop "passes" the plane through the volume along the z-axis. for i = -2:.5:2 hsp = surf(linspace(-2,2,20),linspace(-2,2,20),zeros(20)+i); rotate(hsp,[1,-1,1],30) xd = get(hsp,'XData'); yd = get(hsp,'YData'); zd = get(hsp,'ZData'); delete(hsp) slice(x,y,z,v,[-2,2],2,-2) % Draw some volume boundaries hold on slice(x,y,z,v,xd,yd,zd) hold off axis tight view(-5,10) drawnow end The following picture illustrates three positions of the same slice surface as it passes through the volume. |
2Â¥2009-08-02 10:00:47
positron
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3Â¥2009-08-02 10:01:47
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4Â¥2009-08-02 10:51:45
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5Â¥2009-08-02 15:35:48














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