[Chimera-users] how to create surface from volume tracer path

Tom Goddard goddard at cgl.ucsf.edu
Wed Oct 21 14:46:48 PDT 2009

Hi Jinghua,

  You should not connect the rings in the two planes.  Just draw two 
separate rings or curves.  I use the place markers while dragging 
setting.  It will automatically close a loop when you get near the start 
point.  If you don't want closed loops then clear the selection before 
drawing a second curve so the two curves won't be connected.


-------- Original Message --------
Subject: Re: [Chimera-users] how to create surface from volume tracer path
From: jinghua
To: Tom Goddard
Date: 10/21/09 12:28 PM
> hi Tom,
>   Thank you so much for your reply. Have fun in France!
>   I have tried several different build of chimera with the same result
>   as attached. What are your mouse options during tracing? Is there
>   special sequence to go from one plane to the next plane?
>   Best wishes,
>   Jinghua
> On Wed, 21 Oct 2009, Tom Goddard wrote:
>> Hi Jinghua,
>> The volume tracer capability to stitch loops drawn in parallel planes 
>> to form tube surfaces uses some strange heuristics that don't always 
>> produce a good result.  I'd have to see the case where you have 
>> trouble to understand it.  I just tried making a tube, see attached 
>> photo, and it worked ok in a Chimera daily build from a few days ago.
>> I am at a workshop until the middle of next week so may not reply to 
>> email for a while.
>>   Tom
>> -------- Original Message --------
>> Subject: [Chimera-users] how to create surface from volume tracer path
>> From: jinghua
>> To: chimera-users
>> Date: 10/21/09 10:48 AM
>>>    When I try to create a tube by tracing two planes, the surface it
>>>    makes is more like a cone. Do I need connect all the markers from 
>>> two
>>>    different planes?
>>>    Thank you for your help!
>>>    Jinghua
> ------------------------------------------------------------------------

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