To all, I think the key distinction may be whether the 'foreground' and 'background' surfaces are on opposite sides of the origin. (John Harwell can correct me if I'm wrong.) A surface can be translated so that its center of gravity is at the origin in order to achieve that end.
David On May 9, 2014, at 7:27 AM, wangzhiwei3233 <[email protected]> wrote: > Hi,Donna, > It works on the spherical surface. Thanks a lot! > > Wilder > > At 2014-05-09 00:16:48, "Donna Dierker" <[email protected]> wrote: > >Hi Wilder, > > > >I'm not surprised. Is there a less folded version of the surface you can > >use as a drawing substrate? This one looks inflated, but not enough. If > >you have a flat or spherical configuration, or even ellipsoid or very > >inflated, I think you will have less of this. > > > >If you're drawing on the lateral side, but the medial side that backs to it > >is close enough to the lateral side (in 3D), then you might catch it. > > > >There is a Surface: Geometry feature that lets you blow up your surface > >more, if needed. Note that you don't have to lose your original inflated > >configuration. Just don't save as the same name. Save it under a different > >name that reflects the altered geometry (e.g., spherical, ellipsoid). > > > >Donna > > > > > >On May 8, 2014, at 7:42 AM, wangzhiwei3233 <[email protected]> wrote: > > > >> Hi Donna and all, > >> I drew a closed border on the lateral surface, meanwhile, I assigned > >> piant identifier to nodes within border. > >> When I counted the area of this paint (green nodes in red border in > >> figure), I found the some nodes on the middle side were also counted(as in > >> figure, green nodes without red border). > >> And when I converted paint column to paint volume to get ROI mask, the > >> nodes in opposite side were also converted. > >> I have got in this types of trouble many times, especially when I drew > >> border at middle surface. > >> How to deal with this problem? > >> .<截图1.png> > >> > >> Thanks! > >> Wilder > >> > >> > >> > >> _______________________________________________ > >> caret-users mailing list > >> [email protected] > >> http://brainvis.wustl.edu/mailman/listinfo/caret-users > > > > > >_______________________________________________ > >caret-users mailing list > >[email protected] > >http://brainvis.wustl.edu/mailman/listinfo/caret-users > > > _______________________________________________ > caret-users mailing list > [email protected] > http://brainvis.wustl.edu/mailman/listinfo/caret-users
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