Re: [Rtk-users] Gantry rotation direction and artefacts

2020-08-28 Thread Vincent Libertiaux
Hi Simon, thank you for testing my dataset. I get the same results you describe and I am quite happy with the first result. However, the reconstructed volume is a "mirror" view of the real object, and my guess was that the rotating plate was going in the opposite direction assumed by rtk. Is

Re: [Rtk-users] Gantry rotation direction and artefacts

2020-08-28 Thread Simon Rit
Thanks for the illustration. Maybe the detector is not oriented as intended by RTK? If you look at the first drawing of the geometry doc , I would question the direction of the vector v. You can probably just flip it to put it in the right direction?

Re: [Rtk-users] Gantry rotation direction and artefacts

2020-08-28 Thread Vincent Libertiaux
Hi Simon, I am afraid I was no clear enough. Please find a picture of the real object and the reko at that link: https://www.dropbox.com/sh/ul0oy9kv3us4ey7/AABQ5Y4R1PR-jcRawGFKOUK4a?dl=0 So you can see that on the part, the serial number is on the "head" side while it is on the "tail" side

Re: [Rtk-users] Gantry rotation direction and artefacts

2020-08-28 Thread Simon Rit
Mirror in which direction? Depending on the direction, it can also be a 180° offset of the angle. If it reconstructs well, I would assume that the direct direction is the correct one but there is something else you need to understand... On Fri, Aug 28, 2020 at 10:44 AM Vincent Libertiaux wrote: