|Message: Re: problem with scoring volume can't get apsorbed dose||Not Logged In (login)|
Click on the Forum title, e.g. on the "Forums by Category" page, to read a sequence of postings to the Forum and its threads all in one page. If you are only interested in one thread or the thread following a specific posting, click the thread or the posting, which takes you to a smaller page, which contains only the part you are interested in and may be easier to navigate.
Messages are "chained" if there are only replies at the first level, i.e. 1/1.html, 1/1/1.html etc. In case of "chained" messages the message number is replaced by the icon and there is no indentation.
Inline: Display the subject line only or also the text of the posting(s); for the choice "All" the "Outline" choices are switched off.
|1||0||1||no text / full text of posting|
|2||1||All||text for level 1 only / text for All postings|
Outline: Choose the depth of the posting thread, successive toggle controls provide increasing detail.
|1||2||1||2 levels / 1 level (original posting)|
|2||3||2||3 levels / 2 levels|
|3||3||All||3 levels / all levels (all postings)|
On Thu, 24 Jan 2019 19:56:01 GMT, Toth Arpad wrote:
> I want to simulate a CBCT dose in Cirs IMRT thorax phantom. So I made the body > of phantom, than subtracted wholes in phantom to put the organs inside (lungs, > spine...). Since I have to rotate the phantom i made the organs as daughters of > phantom. The problem is that when I set lungs as scoring volume I', getting the > dose, but when I select the spine or the isocenter I'm getting 0 Gy.
You don't need to, and must not, subtract holes before placing daughters. Just keep your mother "body" volume whole, and place the organ daughters in it. Geant4 does not like it when a daughter volume is placed "outside" the space occupied by its putative mother volume.
-- Michael Kelsey
|Inline Depth:||Outline Depth:||Add message:|