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» Online Classroom   » Celestial Navigation   » Public Discussion of Cel Nav   » Issues using StarPilot app with iPad Pro

Author Topic: Issues using StarPilot app with iPad Pro

 - posted January 18, 2021 07:34 AM      Profile for Soulstice           Edit/Delete Post 
Hello All, I have recently discovered some items of interest as well as some unresolved issues that could also be inherent to using the iPad or possibly the StarPilot app itself. I am currently using an iPad Pro running iOS software version 13.3

Item 1) I use my iPad on the helm while running my enav chart plotter. I have discovered that when using the power save mode of dark background as opposed to light that in the StarPilot app the number/date/time scrolls will appear white on white and when entering data for sight reduction will appear black on black making it very difficult to see. With the dark background removed this problem goes away.

Item 2) Use of the two finger pinch / spread function when either in a plot screen or in the Fixed-Slope diagram in attempts to zoom or select. The screen behaves twitchy and erroneously and once the values have been altered by this they are no longer useful; for instance in the plot screen when using the two finger function it will change all of the LOP angles relative to one another and put me somewhere on the other side of the planet with numerical values well beyond 360 degrees. When I return to one finger use in attempts to realign the DR or the plotted fix and try to zoom again the fix slides off the page and is nowhere to be found; not unlike nailing warm Jello to the wall. The only remedy is to back out and recompute. This renders the display useful only for static and not dynamic use. (This problem is ongoing and I am seeking resolution if anyone has any ideas)

Item 3) In the sight analyzer mode I am limited to zoom only with the + icon at the bottom and no -. As you can see in the attachment the sight array is very small and when I attempt to place the cursor over any particular sight it is very difficult to line up to reveal the HS of that sight. Note also the scale at the top, I am unable to zoom this in. The double and single arrows permit movement of the slope or the array as I believe is intended but no effective zoom. This has made the sight analyzer not useful as I can not zoom in enough to select or even identify a particular sight of interest in efforts to retain or discard the given sight. I’m sure this is likely user error but I’m having difficulty figuring out just how to make sense or use of this function.

Note also, the photo may have not uploaded properly and I’m unable to edit file size. My personal tech deficits...Thank goodness for sextant, paper, and pencils!

From: Earth
David Burch

 - posted January 18, 2021 08:19 PM      Profile for David Burch           Edit/Delete Post 
Thank you for your note. We will try to help with this. We did not get the picture you intended, and cannot reproduce the white on white font issue on our iPads.

Several points raised here were answered in two videos we posted when we first learned of these concerns. See them in the two newest additions to the starpilot playlist at www.starpath.com/videos.

To resolve the other matters if those videos do not do the job, then please post the exact problem you want to solve and we will make a video specifically on that.

Please tell us DR-Lat and DR-Lon and the bodies sighted and the UTC and date of each, along with Hs of each, with HE and IC. and tell us what you wish to obtain from the data. If moving, we need to know the course and speed. Then we will make video showing how to solve that problem.

If the existing video on use of the fit slope method does not answer your question, then please list a set of 3 or more sights of the same body taken in sequence that you wish to analyze. we need to know the body, date and time and Hs of each... and again course and speed if moving.

We can appreciate that some of the function steps require specific sequences and indeed the graphic manipulation of the screen with pinch zoom for the details we seek here takes care. We hope that once learned it will not be so frustrating. We do have a new iPad Pro here, so I hope we can demo these operations.

Going forward, to post a picture here it must be <800 pixels across and <300 kb in size.

From: Starpath, Seattle, WA

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