[Gate-users] About simulation speed

[Simon Stute]

Hi again, again !

You can totally forget considering watching your simulation !
It will slow down your simulation by a factor of at least 100.

If saying by "true", you want to see your voxels, it means that at each
G4Step, the calculation of the G4VisAttributes for each voxel  is performed.
So it will seriously slow down your simulation.
When you say "false", this calculation is not performed, that's why the
simulation run a bit faster.

Cheers,
Simon

On Mon, Apr 12, 2010 at 8:03 AM, Qiyong Fan <fanqy05 at gmail.com> wrote:

> Dear All,
>
> I use openGL to watch the process of simulation for voxelized phantom and
> source. I found out one problem. The following range.dat is the one I use
> to
> change the Interfile Image values into materials of the phantom. The word
> "true" is supposed to define whether we can visualize the phantom or not.
> However, if I change it to be faulse, not only I cannot see the phantom,
> but
> also the simulation speed is also significantly improved as indicated by
> openGL viewers. Does anybody know why is this?
>
>  1
>  0    900 Water true 1.0 0.0 0.0 0.1
>
>
>
> Qiyong Fan
> Phd Student, Georgia Tech
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