[Gate-users] Σχετ: Metaimage (.mhd/.raw) as voxilized source

[Konstantinos P. Chatzipapas, MSc]

Hello,
You have one error and I have one guess for your problem. 
The error that you have made is that GATE does not accept the value: 1.781E-08. It can only accept values in this format: 0.000001 and probably not smaller.Moreover in the new guide that arb command is not proposed. In contrast, it has this type of commands:
http://wiki.opengatecollaboration.org/index.php/Users_Guide_V8.0:Source#Defining_the_type_of_source ###################### Mode 1: Discrete Spectrum ###################
/gate/source/addsource spectrumLine gps
/gate/source/spectrumLine/gps/particle gamma
/gate/source/spectrumLine/gps/energytype UserSpectrum
/gate/source/spectrumLine/gps/setSpectrumFile ../data/DiscreteSpectrum.txt
/gate/source/spectrumLine/setIntensity 1
 #################### Mode 1: Discrete Spectrum ####################etc.

About the guess, I would like to ask you, where in your code is the command:/gate/run/initialize

Kind regards,Konstantinos ----------------------------------------------------- Konstantinos Chatzipapas
    Medical Physicist, MSc
       University of Patras
    web page: Physics Magazine 

    Στις 10:28 π.μ. Πέμπτη, 27 Ιουλίου 2017, ο/η Niels van der Werf <nrvdwerf at gmail.com> έγραψε:
 

 Hello all,

A couple of days ago I asked a question about voxilized phantoms. I am now one step further in my search. The voxilized phantom is accepted by GATE as an input. However, I cannot get it working as a voxilized source. On the wiki page an example is given for an interfile, but not for a meta image.

My code is as follows (the main change in comparison with the wiki page is in the image declaration after /gate/source/positron/reader/insert):

/gate/source/addSource                                         positron voxel
#/gate/source/positron/reader/insert                             interfile
/gate/source/positron/reader/insert                             image
  
/gate/source/positron/imageReader/translator/insert                      range 
/gate/source/positron/imageReader/rangeTranslator/readTable          data/range_source.dat 
/gate/source/positron/imageReader/rangeTranslator/describe          1
 
# THE FOLLOWING LINE ALLOWS YOU TO INSERT THE IMAGE DATA USING THE APPROPRIATE EXTENSION FILE
/gate/source/positron/imageReader/readFile                                  data/mouse_200microns_134x501x127.mhd
/gate/source/positron/imageReader/verbose                                    1
/gate/source/positron/setPosition                                    -13.4 -50.1 -12.7 mm 

/gate/source/positron/gps/particle                                 e+
/gate/source/positron/gps/angtype                                 iso
/gate/source/positron/gps/energytype                             Arb
#/gate/source/positron/setIntensity                             9.673E-01

/gate/source/positron/gps/histname                             arb

# Warning : probability density (or point wise) and not bin values
/gate/source/positron/gps/histpoint  0.0001    1.781E-08
/gate/source/positron/gps/histpoint  0.00011    4.220E-08
Etc etc etc.

When I run this code, I get no errors, but also no sources. Can anyone see what I’m doing incorrectly?

Thanks for your help in advance!

Best,
Niels van der Werf
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