Too long time on acqusition

[PKUPHYZYC]

Hi,

I am running it on python3.9.7 on windows. Basically everything works well, except that the acquisition time is too long for our experiment. I set integral time to be 0.01s, but the total time consumed to acquire one frame is almost 0.9s.

I didn't go deep into the dcam.py, but I found that a lot of time was consumed on allocating buffers. Basically every time I send a commend to acquire a frame, the program will allocate buffer, lock frame, copy it back and release buffer. I am wondering is there any way to not allocate buffer every time, but just one time for all? Also is it possible to set a region-of-interest thus decrease the space of the buffer and decrease the time of allocation?

Thanks

[tiagocoutinho]

Hi @PKUPHYZYC,
Thank you for your bug report. Unfortunately I stopped working at the institute where I had a camera to test width so it's very hard for me to fix/improve the project to meet your needs.

I would be happy to review a PR that fixes this.