Hi David,
I tried the method you suggested, using Caret 5.3 with the
Human.sphere_6.LEFT_HEM.73730.topo file, but all I could get on the
very
inflated surface was a few red dots along a line at z=0. I then
tried the
new 5.33 Beta (Windows) version, which I had recently downloaded,
and it
worked fine after I managed to get the paint file up. This was not
easy,
because as soon as I hit the Display Control button, the whole
screen froze
for about two minutes, then came back to life. Do you think this a
problem
with the configuration on my computer? Thanks.
Terry
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Sent: Sunday, April 02, 2006 11:00 AM
Subject: caret-users Digest, Vol 31, Issue 1
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Today's Topics:
1. Re: Drawing borders on fiducial surface (Terry Sewards)
2. Re: Re: Drawing borders on fiducial surface (David Van Essen)
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Message: 1
Date: Sat, 1 Apr 2006 22:36:15 -0700
From: "Terry Sewards" <[EMAIL PROTECTED]>
Subject: [caret-users] Re: Drawing borders on fiducial surface
To: <caret-users@brainvis.wustl.edu>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
Is there a way I can draw a border on the fiducial 3-D surface?
I'm
trying
to map the perirhinal cortex and it jumps a cut as it extends
toward
temporopolar cortex, so when I draw the boundary on the flat map
the
resulting area looks fine, but on the fiducial surface there is a
large
gap
between the polar and posterior parts. In the Caret 5.2 tutorial
it says
it
can be done, but is difficult.
Terry Sewards
------------------------------
Message: 2
Date: Sat, 1 Apr 2006 23:57:21 -0600
From: David Van Essen <[EMAIL PROTECTED]>
Subject: Re: [caret-users] Re: Drawing borders on fiducial surface
To: "Caret, SureFit, and SuMS software users"
<caret-users@brainvis.wustl.edu>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=US-ASCII; delsp=yes;
format=flowed
Terry,
In Caret 5.3 you can draw 3-D borders on non-flat surfaces,
using the
Dimensions: 3D option in the Draw Borders dialog box. Instead of
using the fiducial surface, a highly inflated surface works better
(see below - and is easy to generate if you don't have one
already).
Make sure that the topology assigned to the surface you are drawing
on is CLOSED (not CUT).
If you are drawing a closed border and want to paint in the
enclosed
region using the 'assign paint identifiers within the closed
border',
double-check that you haven't nadvertently assigned nodes on the
far
(invisible) side of the surface. This doesn't happen when you
use a
highly inflated surface, as its center of gravity is at the origin
and the 'negative screen-Z' nodes are excluded. If you have
problems
on this front, consult with us again.
David VE
On Apr 1, 2006, at 11:36 PM, Terry Sewards wrote:
Hi,
Is there a way I can draw a border on the fiducial 3-D surface?
I'm trying
to map the perirhinal cortex and it jumps a cut as it extends
toward
temporopolar cortex, so when I draw the boundary on the flat
map the
resulting area looks fine, but on the fiducial surface there is a
large gap
between the polar and posterior parts. In the Caret 5.2 tutorial
it says it
can be done, but is difficult.
Terry Sewards
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