OK! I think I got the "picture". I will analyze the calibration code and make a stab at it.
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The
merge request
which corrects the program flow for differential slewing was integrated into KStars Version 3.5.8 stable. Should be available by now.
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Differential slewing is broken indeed: Slewing ends after first iteration and usually the position threshold is not reached! For once it can be that the mount hits the position, as Chris noted, but by the majority ot the time it will stay way out of target. I put a
merge request
which corrects the program flow.
(See
www.indilib.org/forum/ekos/14052-rotator...-automaticallly.html
too)
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Hi Chris
Thanks for your efforts! I think i have found the flaw in the align module with "differential slewing". A MR is underway.
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Forgive me, if I do not understand the problem. But I think all this "solutions" are obsolete: Just use the up-to-date pulse guiding and you're done!
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Hi Chris
As far as I could analyze the issue until now, there seems to exist a flaw in the main processing of the differential slewing even without rotator. (At least with telescope simulator!)
Did you try already this option with the rotator deactivated? (Uncheck "Automatic and Manual Rotator Control" in "Rotator Settings" too!)
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Not yet!
Can you expatiate a bit more on the occasion where you want to use such a feature?
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Hi Alessandro
I just ran a test with an image taken on pierside west with a camera PA of -0.01°. A "Load and Slew" of this reference image slew the mount with a flip to pierside east and ended without requesting an interaction from "Manual Rotator".The camera PA was then 179.70° and the "Manual Rotator" reported "Current PA is 179.704; Target PA is 179.995; diff: -0.290695" ("Flip Policy" was "Preserve rotator angle" and "Threshold" 30arcmin.)
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During last session I lost abount 40minutes after meridian flip because Ekos requested me to rotate the camera, but the angle was rotated of 180°
I suppose you are using "Manual Rotator", aren't you? Since KStars 3.5.7 you can set *Flip Policy" to "Preserver Rotator Angle" in the align options. This option prioritizes the present rotator angle after a flip and thereby EKOS accepts a rotation of the camera position angle by 180°.
BTW: How did you lose so much time? Wasn't it possible to you just cancel the rotation request window of "Manual Rotator"?
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