[Gate-users] Same runing on GATE 4.0...

[Simon Stute]

Unfortunately not for the moment but very soon !

Simon

On Tue, Apr 21, 2009 at 2:38 AM, Fernando Rannou <rannou at diinf.usach.cl>wrote:

>
> Are there any commands in Gate to control this
> generator? I couldn't find any in the User's guide
>
> Fernando
>
> Simon Stute wrote:
>
>> Hi MJ,
>>
>> In Gate_v4 the random generator has changed. Now this is the Mersenne
>> Twister, that is more stable, longer period and faster than the old one
>> (JamesRandom).
>> Unfortunately people who changed this stuff forgot to update the gjs
>> program. So the gjs program still products JamesRandom seed files, and those
>> files are ignored by the Mersenne Twister generator ... That is why you
>> always get the default seed value (fixed in CLHEP) and the same results for
>> all splited macros.
>>
>> To fix it:
>>
>> In the main program, Gate.cc file, there are few lines at the beginning of
>> the main concerning the random generator:
>>
>> //
>> // random engine
>> //
>>
>>  //CLHEP::HepJamesRandom randomEngine;
>>  //CLHEP::Ranlux64Engine randomEngine;
>>    CLHEP::MTwistEngine randomEngine;
>>    CLHEP::HepRandom::setTheEngine(&randomEngine);
>>
>> So just comment the line concerning the Mersenne Twister and uncomment the
>> line concerning the JamesRandom engine, and recompile:
>>
>> //
>> // random engine
>> //
>>
>>  CLHEP::HepJamesRandom randomEngine;
>>  //CLHEP::Ranlux64Engine randomEngine;
>>  //CLHEP::MTwistEngine randomEngine;
>>    CLHEP::HepRandom::setTheEngine(&randomEngine);
>>
>> So you will use the old generator but it will work with the gjs random
>> seed files...
>>
>> And don't worry, this is fixed for the next version and new macro commands
>> to control everything concerning the random generators will be provided
>> (type of generator, automatic randomized seed, fixed seed, use of seed
>> files, etc...). Coming soon.
>>
>> Cheers,
>> Simon
>>
>>
>>
>> On Thu, Apr 9, 2009 at 8:01 AM, Park MinJae <MJ at toti.us <mailto:
>> MJ at toti.us>> wrote:
>>
>>
>>    Dear Gaters,
>>
>>    Long time, no see~ :)
>>
>>
>>    I recently changed 3.12 to 4.00 on x64...
>>
>>    Everything of Gate works fine...but the split jobs generated SAME
>>    results...
>>
>>    I checked the seed-files...Initial Seed were same...9876...
>>
>>    I took a look into the source files of Gate and tried to put one more
>>    randomization step at the initial seeds...I couldn't...
>>
>>    Thank you for any information about it...:)
>>
>>    Cordially yours,
>>    MJ
>>
>>    //=================================================
>>    //  Park MinJae
>>    //  SNU BME Ph.D. Candidate
>>    //
>>    //  DialTo:+82-17-711-7809
>>    //  MailTo:MJ at ToTi.us <mailto:MJ at ToTi.us>
>>    //
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>>    //=================================================
>>
>>
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>>
>>
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>
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