[SH...] Posted June 23, 2020 Share Posted June 23, 2020 What formula is used by the Calypso to calculate delta value. Whether it is the square root of the co-ordinate value or some other formula. My delta value is 0.021 how did it came??IMG_20200623_181824.jpg Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/ Share on other sites More sharing options...
[Ow...] Posted June 23, 2020 Share Posted June 23, 2020 The Delta Value is a measurement of how much the Coordinate System has shifted from one measurement of the Base Alignment to the next. Delta is the accumulation of the X,Y,Z,X-Y Rotation and X-Y Tilt. The shift is the result of the data points being taken in slightly different locations each time the alignment is looped. Exact formula, I have no idea 😕 Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82406 Share on other sites More sharing options...
[SH...] Posted June 23, 2020 Author Share Posted June 23, 2020 Please sign in to view this quote. Ok, I think it might be the length of the position vector from one coordinate system to the previous. Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82408 Share on other sites More sharing options...
[Er...] Posted June 23, 2020 Share Posted June 23, 2020 valueA=(rad((arctan(baseSystem().y/baseSystem().x)-baseSystem().rot.asDEG)).cos*(sqrt(squared(baseSystem().x)+squared(baseSystem().y))))+(rad((arctan(baseSystem().y/baseSystem().x)-baseSystem().rot.asDEG)).sin*(sqrt(squared(baseSystem().x)+squared(baseSystem().y))))+(baseSystem().z)+(((baseSystem().rot.sin+baseSystem().rot.cos)-1)*2) Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82410 Share on other sites More sharing options...
[SH...] Posted June 23, 2020 Author Share Posted June 23, 2020 Please sign in to view this quote. Are you a zeiss Engineer?? Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82412 Share on other sites More sharing options...
[Er...] Posted June 23, 2020 Share Posted June 23, 2020 No, Im swedish. 😎 Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82414 Share on other sites More sharing options...
[To...] Posted June 23, 2020 Share Posted June 23, 2020 Please sign in to view this quote. 🤣 🤣 🤣 🤣 🤣 🤣 🤣 Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82416 Share on other sites More sharing options...
[Me...] Posted July 2, 2020 Share Posted July 2, 2020 Hello, Thanks for the formula ! I was looking for this since long time. Does anyone know why this formula was chosen ? For example, in my plan, I often use the break condition "baseSystem().valueA<0.01" but I don't really know why I put 0.01... Guillaume Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82418 Share on other sites More sharing options...
[SH...] Posted July 2, 2020 Author Share Posted July 2, 2020 Please sign in to view this quote. Difference between the base systems less than that value your loop terminates.IMG_20200702_172159.jpg Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82420 Share on other sites More sharing options...
[He...] Posted July 2, 2020 Share Posted July 2, 2020 Please sign in to view this quote. And it's called "Blåkläder" 🙂 In case you are to young to remember: https://www.youtube.com/watch?v=5QvD4hoGzlE Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82422 Share on other sites More sharing options...
[Er...] Posted July 3, 2020 Share Posted July 3, 2020 Please sign in to view this quote. Cheezus Onkel H, I'm not that young.. 😃 https://www.youtube.com/watch?v=bjrWg_tzndo Link to comment https://qualityforum.zeiss.com/topic/15316-delta-value-calculation/#findComment-82424 Share on other sites More sharing options...
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