FPL Bug

[mmarien]

I just returned from a xcountry flight and ran into a problem with the flight plan I imported from PocketFMS. I inadvertently had the same two waypoints in a row. Skyview got stuck and wouldn't advance to the next course. It wanted me to go back to the waypoint it got stuck on. I'm already past TCK4 and CSY3. I had the same flight plan in GPS1 and it was functioning properly. See below.

BTW I love the way Skyview sorts the airports (by nearest) when you are dialing in a new DTO. Brilliant algorithm.

 

[swatson999]

Not related to this bug report, but a question...

I notice on a few screen capture images that the synthetic vision seems to be "choppd off" near the horizon line, with only brown ground reference above a certain point.

Is this an artifact of the screen capture, or is this what people are seeing on the actual screen? If the latter, isn't that erroneous?

 

[dabear]

Syn Vision is only looking out so far, I think. Because it is so flat, you are "seeing" past the render point (I believe). Saves you from it showing a mountain 200 miles away and you worrying about it.

 

[jakej]

mmarien

You have a pm

Jake J

 

[swatson999]

Syn Vision is only looking out so far, I think.  Because it is so flat, you are "seeing" past the render point (I believe).  Saves you from it showing a mountain 200 miles away and you worrying about it.

There's an awful lot of red near the fight planned leg on the map display above, and it doesn't look 200 nm away to me...

Perhaps Dynon can answer?

 

[mmarien]

Assuming the diametre of the earth is 8000 miles, at 50 miles a 1500 foot high object would be below the horizon. On the other hand, if I was 1500 feet above the surface I could see the horizon +/- 50 miles away.

 

[dynonsupport]

SkyView draws terrain at least 15NM out, and up to 30+ NM. It depends where on earth you are.

This kind of range is common with all SynVis systems. In fact, one of our competitors only draws to 6 miles, so we're doing really good.

The data you need to process goes up rapidly as you look farther out, while becoming less important. Remember, this is all based on angles, so something far out also gets shorter. At some point, even ignoring the curvature of the earth, Everest would only be one pixel tall.

At speeds in out planes, 15 miles gives you 4-ish minutes to react, and you can always look at the top-down view to plan your flight much farther ahead.

We hope to draw farther out in the future, but this isn't an easy process, and there are other features we will likely focus on first.

 

[swatson999]

Good to hear it's on your feature list for the future. One of my first jobs was image processing HUGE datasets into ray-cast 3D images for flyover animations, and we used a pyramiding scheme to switch to lower and lower resolutions as the rays went further out. Up to 9 levels of subsampling were required at times...

But it made the processing wicked fast (for the time). I presume you'd be doing something similar, downsampling the data for showing more distant features...

 

[dynonsupport]

I just returned from a xcountry flight and ran into a problem with the flight plan I imported from PocketFMS. I inadvertently had the same two waypoints in a row. Skyview got stuck and wouldn't advance to the next course. It wanted me to go back to the waypoint it got stuck on. I'm already past TCK4 and CSY3. I had the same flight plan in GPS1 and it was functioning properly. See below.

There may be a corner case bug there. We'll have our software team look into it. But, note that you can force a leg to activate by going to MAP> FPL MENU > ACTIVATE LEG (after selecting the leg you want) to force it past the spot where it got stuck.

 

[dynonsupport]

Also, if you still have that flight plan in SkyView, can you export it and post the GPX file here?

 

[preid]

Synvision view

At speeds in out planes, 15 miles gives you 4-ish minutes to react, and you can always look at the top-down view to plan your flight much farther ahead.

We hope to draw farther out in the future, but this isn't an easy process, and there are other features we will likely focus on first.

Realizing this may be hard to do, I would love to see the yellow and red on the terrain of the Synvision, versus needing a GPS map displayed to see the top down view.

 

[mmarien]

GPX file attached.

There were actually three identical waypoints. I deleted one in SV but it didn't seem to help at the time. I'll try the ACTIVATE LEG next time.

www.digitalmapping.sk.ca/CYRO-CYHZ.gpx

 

[dynonsupport]

Realizing this may be hard to do, I would love to see the yellow and red on the terrain of the Synvision, versus needing a GPS map displayed to see the top down view.

This isn't hard to do actually, we did it when we were first testing. The issue is that all of our testers hated it. It means when you're flying at a mountain, even if it's 18 miles away, everything above the white line will be red. Actually, everything above the horizon line will always be red. Always. So it's not as helpful as you would expect, and it's actually pretty distracting.

What we would really like is only to turn things red that are a threat to you within just a small number of seconds, but this is a much more difficult thing to do. Someday.

 

[dynonsupport]

GPX file attached.

There were actually three identical waypoints. I deleted one in SV but it didn't seem to help at the time. I'll try the ACTIVATE LEG next time.

We've confirmed that waypoint sequencing can get tripped up by really short legs (and identical waypoints placed after each other in a flight plan). We'll work that fix into software - it won't make the release that will be released shortly - but the workaround for now is to delete the duplicates.

 

[mmarien]

Probably something that wouldn't happen often but good to know there is a work around.

I was trying to adjust the route by a slight amount but it kept snapping back to the waypoint. That would be why there were three in the file. If you need any more inane situations to debug the software let me know. I create them by the dozen daily.