[gate-users] set the tumor/background activity ratio

[Long ZHANG]

Thank you Santin!

great job!

regards,

Long

In your mail:
>From:Giovanni Santin <giovanni.santin at cern.ch>
>Reply-To: GATE feedback and helpline for Users <gate-users at lphe1pet1.epfl.ch>
>To: GATE feedback and helpline for Users <gate-users at lphe1pet1.epfl.ch>
>Subject: Re:[gate-users] set the tumor/background activity ratio
>
>Hi Jin
>Sorry for the late answer.
>You can rotate the cylinder with the GPS commands 'posrot1', 'posrot2'. 
>To get only the half cylinder, you can then use 'confine'.
>
>Please refer to 
>http://reat.space.qinetiq.com/gps/
>to get an exhaustive description of GPS. Please note that the command 
>syntax changed slightly in the last version of GPS compared to the one 
>included in GATE. But the features offered are the same.
>
>I will try to upgrade GATE to the latest version of GPS as soon as 
>possible.
>
>Cheers,
>-- 
>Giovanni
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>Giovanni Santin
>Space Environments and Effects Analysis
>ESA - ESTEC - TEC-EES
>Keplerlaan 1, 2200 AG Noordwijk, Netherlands
>e-mail: giovanni.santin at esa.int
>Tel: +31 71 565 6267
>Fax: +31 71 565 4999
>
>
>On Sat, 24 Jul 2004 null99 at mails.tsinghua.edu.cn wrote:
>
>> Dear Jin,
>> 
>> Yep, Gate mannule (GM) can't provide the right type information for you. The
>> attachment is a brief list of command appeared under:
>> /gate/source/your_source_name/gps/
>> 
>> Sorry, because my mouse's problem, I can't paste it for you.
>> 
>> Good luck!
>> 
>> Long Zhang
>> In your mail:
>> >From: Jin Zhang <jinzhang at stanford.edu>
>> >Reply-To: GATE feedback and helpline for Users <gate-users at lphe1pet1.epfl.ch>
>> >To: GATE feedback and helpline for Users <gate-users at lphe1pet1.epfl.ch>
>> >Subject: [gate-users] set the tumor/background activity ratio
>> >
>> >Hello, first thank Long and Corinne for answering my former question. 
>> > Here I got another one to ask.
>> > How to set the tumor/background activity ratio, say to be 5?
>> > I tried to add another source (as background) with 5 times lower 
>> > activity than that of the other tumor sources, and with the same size of 
>> > the whole phantom. However, as my phantom is a half cylinder aligned 
>> > along X axis, I cannot rotate the background source to overlap with the 
>> > whole phantom though.
>> > Is there any better way do this? I checked with the Gate manual, but 
>> > didn't get any useful information yet. So asking here could be much better.
>> > Thanks in advance and have a nice weekend!
>> > 
>> > Jin Zhang
>> > 
>> > 
>> > _______________________________________________
>> > gate-users mailing list
>> > gate-users at lphe1pet1.epfl.ch
>> > http://lphe1pet1.epfl.ch/mailman/listinfo/gate-users
>> >
>> 
>> 
>> 
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