[Gate-users] Ask for help about voxellized phantom

[Richard Taschereau]

Hi Sheng ye,

You need a translation table to associate the voxel values with a material.
You¹ll find an example on page 84 of the GATE User¹s Guide V3.0.0.

Richard
On 2/12/07 7:52 PM, "sheng ye" <beyond071 at gmail.com> wrote:

> Hi Richard
>  
>     I have a problem on making a phantom.dat. I have put the nx, ny, nz ,dx
> ,dy ,dz on the first line, then put the pixel numbers. I write a C program to
> do this, i use "\n" to separate each number, and the number is store as a
> unsigned integer(2 bytes).But when i put this phantom.dat in the mac file, it
> requests me to make a table.dat to be the translator.Can you help me for
> giving an example for this table.dat, how can i make the materials to relate
> with the pixel numbers? Thanks, i am look forward to your reply.
>  
>  
>  
> yours, Sheng ye
>  
> 2007.2.13
>  
> 2007/2/13, Richard Taschereau <RTaschereau at mednet.ucla.edu>:
>> The "parameterizedBoxMatrix" is not available with Gate 1.0.2.
>> 
>> Richard 
>> 
>> 
>> On 2/9/07 10:44 PM, "sheng ye" <beyond071 at gmail.com
>> <mailto:beyond071 at gmail.com> > wrote:
>> 
>>> Hi all,
>>>       
>>>       I got a problem while making a voxellized phantom. It could  be
>>> found in chapter 7 of Users Guide, which  about how to write a voxellized
>>>  phantom. It says that parameterized volume method is now
>>> available in GATE for voxellized phantoms. And it gives the  keyword
>>> "parameterizedBoxMatrix" in the insert command:
>>>                
>>> /gate/world/daughters/name anyname
>>> /gate/world/daughters/insert parameterizedBoxMatrix.
>>> 
>>>       I followed the guide,but error occurs during GATE running.The
>>> error is "parameter value is not  listed in  the candidate list", now i
>>>  don't know how to deal with it. Thanks for anyone who can help me.
>>> I am looking forward to the reply.
>>>   
>>>       In addition, My OS platform is Linux Redhat 9.0, Gate version is
>>> 1.0.2, Geant4 version is 4.5.2.
>>>       
>>> The follows is my phantom.mac:
>>> 
>>> #VOXELIZED MATRIX ZUBAL PHANTOM
>>> #Create a zubal lung phantom
>>> /gate/world/daughters/name phantom
>>> /gate/world/daughters/insert parameterizedBoxMatrix
>>> 
>>> #Read the file: a 420*420*1 array
>>> /gate/phantom/geometry/insertReader image
>>> /gate/ phantom/imageReader/insertTranslator tabulated
>>> /gate/phantom/imageReader/tabulated Translator/readTable zubalTable.dat
>>> /gate/phantom/imageReader/readFile zubal420phantom.dat
>>> 
>>> #Place the phantom and rotate it so that it is in the XYplane
>>> /gate/phantom/placement/setTranslation 0 - 0 mm
>>> 
>>> #Attach the phantom SD
>>> /gate/phantom/attachVoxelPhantomSD
>>>  
>>>  
>>>         sincerely,
>>>        beyond071 at gmail.com  <mailto:beyond071 at gmail.com>
>>>        2007.2.10
>>> 
>>> 
>>> _______________________________________________
>>> Gate-users mailing list
>>> Gate-users at lists.healthgrid.org
>>> http://lists.healthgrid.org/mailman/listinfo/gate-users
>>> <http://lists.healthgrid.org/mailman/listinfo/gate-users>
>>> 
>> 


-- 
Richard Taschereau, Ph.D.
CRUMP Institute for Molecular Imaging
University of California Los Angeles
700 Westwood Plaza A222
Los Angeles, CA 90095-1770
Phone: (310) 825-0697
Fax:     (310) 206-8975
email: RTaschereau at mednet.ucla.edu



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