[Gate-users] Different rsector materia with GATE

[Habte Ghebretatios, Frezghi]

Dear Gate Users,
 
I would like to use different material and crystal dimension in each rsector for PET systems. Is this possible with GATE? I will greatly appreciate for any suggestion how to implement such geometry.
 
Best regards
Frezghi

________________________________

From: gate-users-bounces at lists.healthgrid.org [mailto:gate-users-bounces at lists.healthgrid.org] On Behalf Of Samuel BURG
Sent: Thursday, August 16, 2007 6:30 AM
To: Marlen Priegnitz; Users Gate
Subject: RE : [Gate-users] turning a source


Hi,

>From  :

/gate/source/cylinder/gps/

Try :

   posrot1 * Set rotation matrix of x'.
   posrot2 * Set rotation matrix of y'.

Best regards,

Samuel

Marlen Priegnitz <m.sellesk at fzd.de> a écrit : 

	Dear Gate-Users,
	
	I want to use an analytical source with a shape of a cylinder.
	So I use
	/gate/source/addSource cylinder
	/gate/source/cylinder/gps/type Volume
	/gate/source/cylinder/gps/shape Cylinder
	/gate/source/cylinder/gps/radius 90 mm
	/gate/source/cylinder/gps/radius0 25 mm
	/gate/source/cylinder/gps/halfz 45 mm
	
	But I don't want the axis of the cylinder to be parallel to z-axis, but 
	to be parallel to y-axis.
	I tried to write
	/gate/source/cylinder/gps/halfy 45 mm
	instead of halfz, but this command is just ignored.
	Is there any possibility to turn the source, so that the axis is 
	parallel to y?
	I could not find anything in the UsersGuide or in the Gate-Users Archives.
	I would be very glad about every help.
	Thanks.
	
	Kind regards,
	Marlen
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