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

_______________________________________________
caret-users mailing list
[email protected]
http://brainvis.wustl.edu/mailman/listinfo/caret-users

Reply via email to