Hi Hidenao,
yes, the "positions" array in PointRoi, which saves the slice number for
each point, is a short-integer array (16-bits, -32768 to 32767).
The "positions" array is only used if you have "Show on All Slices"
disabled in the Point Tool options (double-click on the Point Tool).
With "Show on All Slices" enabled, the Point Tool works like all the
other selections (Rectangle, etc.); then you see the positions of all
points irrespective of the slice currently selected.
Michael
________________________________________________________________
On 01.02.19 13:35, Hidenao Yamada wrote:
> Hi,
>
> I opened huge images as a virtual stack. I found that Point tool does not work for more than slice No. 32768 (2^15). I'm sure that Point tool does work for less than 32767 (2^15-1), and that Rectangle tool also works for more than slice No. 32768.
> How can I deal with this ?
>
> Best
> H. Iwai
>
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