[Gate-users] Fixed Forced Detection Actor

[Triltsch, Nicolas]

Hey Simon,

I compiled everything again and there were no more errors:) But if I 
start Gate it states the following:

/"Gate: error while loading shared libraries: libRTK.so: cannot open 
shared object file: No such file or directory"/

Why does it not find the libraries?

Cheers, Nico

On 11/29/2016 10:09 PM, Simon Rit wrote:
> Hi,
> I'm not sure what happened. Did you maybe update ITK without 
> recompiling it? Anyway, I'd suggest to recompile ITK, RTK and Gate (in 
> this order). Sorry for the trouble, I know these dependencies are a 
> bit inconvenient.
> Simon
>
> On Tue, Nov 29, 2016 at 2:06 PM, Triltsch, Nicolas 
> <nicolas.triltsch at tum.de <mailto:nicolas.triltsch at tum.de>> wrote:
>
>     Hey Simon,
>
>     I followed your two changes 1) and 3) and after that I compiled
>     Gate again, in order to make the changes valid. But now I get an
>     error message when compiling gate_v7.2, which says:
>
>     "/
>     /
>
>     /make[2]: *** No rule to make target
>     '/usr/local/bin/InsightToolkit-4.10.1/InsightToolkit-4.10.1-build/lib/libITKReview-4.10.so.1',
>     needed by 'Gate'.  Stop.//
>     //make[2]: *** Waiting for unfinished jobs....//
>     //[100%] Building CXX object
>     CMakeFiles/Gate.dir/source/externals/clhep/src/CLHEP/RandomObjects/RandomVector.cc.o//
>     //CMakeFiles/Makefile2:67: recipe for target
>     'CMakeFiles/Gate.dir/all' failed//
>     //make[1]: *** [CMakeFiles/Gate.dir/all] Error 2//
>     //Makefile:127: recipe for target 'all' failed//
>     //make: *** [all] Error 2/
>
>     "
>
>     Honestly, I have no idea what to do. I think it has something to
>     do with the ITK package, but I don't know why. If you have an idea
>     that would be great, as my Gate is not running any more:/ If I
>     type 'Gate' in the terminal, it says now:
>
>     "
>
>     /Gate: error while loading shared libraries:
>     libITKIOBMP-4.10.so.1: cannot open shared object file: No such
>     file or directory/
>
>     "
>
>     Thanks in advance!
>
>     Nico
>
>
>
>     On 11/28/2016 03:57 PM, Simon Rit wrote:
>>     Hi,
>>
>>     On Mon, Nov 28, 2016 at 2:00 PM, Triltsch, Nicolas
>>     <nicolas.triltsch at tum.de <mailto:nicolas.triltsch at tum.de>> wrote:
>>
>>         Hey everyone,
>>
>>         I have three questions concerning the fixed forced detection
>>         actor(ffda):
>>
>>         1) As output one can generate e.g. primary.mha, compton.mha,
>>         rayleigh.mha and total.mha images. In the GATE wiki it
>>         states, that primary + compton + rayleigh = total. But if I
>>         compare the two images they are different! Why? (total.mha
>>         image was flatfield corrected by default; primary, compton
>>         and rayleigh weren't, so I used the flatField.mha to correct
>>         them before the comparison with total.mha)
>>
>>      I checked and there is a bug in the total filename. However, it
>>     does not use the flat field but rather one step was forgotten
>>     (accounting for the total number of particles in the simulation).
>>     I must admit that I never use that output in practice, hence the
>>     bug. This fix
>>     <https://github.com/OpenGATE/Gate/commit/988f886133ee741eeca692df027e7786e025c7bc>
>>     should correct that.
>>
>>
>>         2) For the ffda the source needs to be focused. Why is that
>>         necessary?
>>
>>     Because ffda uses RTK <http://openrtk.org/> for deterministic
>>     computation and RTK is working for point sources.
>>
>>
>>         3) One output image is called secondary.mha. First, I thought
>>         this image would represent secondary scatter events. But in
>>         the GATE wiki it says that secondary = compton + rayleigh. Is
>>         their a way to obtain a secondary scatter (multiple scatter)
>>         image?
>>
>>     It used to be possible but I think we have removed it to
>>     "minimize" the number of options. You can try (but I don't
>>     guarantee it works) to add a line in the code, e.g. around line
>>     57 of GateFixedForcedDetectionActor.cc:
>>     mPerOrderImagesBaseName="order";
>>     It will then create an image of the form
>>     "orderRayleigh0004_order02.mha" for the second order of the
>>     rayleigh projection number 4.
>>     Simon
>>
>>
>>
>>
>>         I would appreciate any help!
>>
>>         Nico
>>
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>>
>>
>
>

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