Download Compass Mode
Nerissa Reveron
Thanks all for the reply.
But mainly I want to know about its application. It has two modes, NAV Mode and Arc mode.
I was wondering if it is possible to do DME/Arc manoeuvre more easily with this option.
Since my app only operates in landscape mode so will the compass. However, it seems as this code does not function correctly in landscape mode. North points more towards east. If i run the Android example code I get the same issue.
If you have the Compass reverted to the DG setting (not using INS or Magnetometer for heading reference) you use that knob to adjust the heading indication manually to match the magnetic compass up on the glare shield.
What is the DG setting? When it comes to the standby compass, it seems to never be affected by the magnetic field of the CV but it also never shows the same heading at the BDHI. Is there a reason for all these discrepancies?
DG is the directional gyro mode, which means that the gyroscope providing heading for the AHRS is disconnected from the magnetic field sensor (which is a seperate device and has nothing to do with the standby compass). This means that the AHRS heading gyro will not be recieving any updates to where magnetic north is but can instead be adjusted manually with the course knob. There are a few more implications to using that mode but given the small size of the DCS maps they are irrelevant.
The BDHI should show the same heading as the standby compass in the SLAVED mode when on the boat, however I never really paid attention to whether the standby compass is also affected by the carrier but I would think it should.
The heading indicator in many modern aircraft is a gyroscope connected to remote magnetic sensor located outside the cockpit. The magnetic sensor aligns the gyro to the north, while the gyro itself tracks aircraft heading in turns and during acceleration, something that simple whiskey compass cannot do.
Compass mode will turn the BDHI into an oversized whiskey compass, not very useful unless you fly straight and level. Still better than trying to make out the heading on the standby compass but if the gyros still work, DG with the correct heading set is the far better option.
Hello, sorry I'm really new to this so if I'm asking something dumb of obvious I apologize. I am trying to get the compass direction on the BNO055. So for example I would like north to give me 0 degrees, south to be 180, east to be 90, and west to be 270. I am able to get kind of close to this by doing the following.
When the sensor is flat this pretty but works for getting the four directions although it gives be it is 0 to 180 to -180 back to 0. The real issue is that when I change the pitch of my sensor I get the compass angle changing and I have no idea why. Any links to examples for a basic compass like I am referring to would be great or ideas on who to fix my code.
Thank you.
For tilt compensation, you need to use the accelerometer as well. Use your favorite search engine and the phrase "tilt compensated compass" to find several documents describing how to do that. Or use Pololu's compass sensor and code.
Of course you can use the BNO055 in full 3D orientation mode and just print the yaw angle (after compensating for your magnetic declination), but it doesn't work very well, because the magnetometer calibration is so poorly done.
The mode can be indicated by an item name change, texture change, or both. I think the texture could have a gold highlight in the North direction, just like many irl compasses have. I don't think an item with a changing "state" would be difficult, it's basically like how a bucket can become a bucket of milk. Except you change the item by shift right clicking, not clicking on an entity or block.
Any way to turn this now useless compass off so I can look at the beautiful landscape instead? I tried the console command, and it does remove the compass, but it returns as soon as I look at my map.
If it is in limp mode with the warning lights on there will be fault codes in the PCM, You will need to get a scan tool and read the faults. There is possibly a problem with the electronic throttle control.
That's interesting because usually magnets don't affect this (I don't know why not). I can take a powerful magnet and place it near the tablet and the compass still works for me. Maybe it has to do with exactly where the magnet is located. Apple certainly uses strong magnets to hold the flip cover on (but they know where those are located and presumably can counteract them).
Was flying my Spark on Friday checking out ice conditions off of a local beach area that I have flown from numerous times and towards the end of the flight GO4 announced it was in Atti Mode. Glancing at the phone screen it then went to Compass Error, then back to Atti mode and eventually back to normal flight. The AC was in VLOS the whole time so when it went to Atti mode, I turned around and headed back. The compass error gave me a scare as I was worried about loosing control of the AC, however this does not appear to have happened as I was able to get back and land. I was flying over water that had frozen then thawed so there were lots of ice chunks floating around - would have been impossible to recover the AC if it had went down. The launch area was a grassy area covered in wet snow just up from the beach. It is an area I have launched in numerous times and as far as I know there was no metal nearby.
I have owned my Spark for just over 2 years and this is the first time I have ever had a compass error. The log file is linked below. Problems start at 5m 47.8s with Yaw Errors. I would really like to know what happened so that this does not happen again, so any help in figuring this out is greatly appreciated.
I've just bought a Garmin 62s and my initial feelings about the unit is not very good - my most serious current issue with it is the compass. It just doesn't point to the target waypoint consistenly long enough to be useful. when i first switch it to compass mode it will mostly point to the right direction of the target but when i move around the compass just doesn't want to do a good job anymore - sometimes it sticks and stays in one position. I also have a Meridian Gold (OMG - it's a standard all GPS will be compared to...) and it's compass will accurately point to the target no matter what direction i'm heading, all the time, while i'm moving.
What's wrong with the Garmin 62s? - is my unit? I've tried calibrating it but it didn't improve things. Am i missing something - is it the correct assumption that the red arrow in the compass will point to a go-to waypoint and point in the general direction of that point even while you're moving....accurately.
Could be just your unit. My experiences with the compass in the eTrex 30 ain't good, but I hear the 62 series should be better. Ensure that you calibrate it at a magnetically free place (i.e. outdoors with no significant chunks of metal or electronics nearby).
Most times it will snap to the waypoint if i stop, not always though so it's not reliable. If i continued walking or moving around the compass will be 'sticky' - not pointing to the waypoint's direction. So in order for me to get the right direction i have to stop - that's not too bad if i'm only walking but it's gonna be a deal-breaker if i'm on the bike or in the car.
My God - it's 10 years since the Meridian Gold and there's still not a better GPS made since. Sure the newer units can have road maps, color screen (which are hard to read in all lights except blinding sun), usb connectivity etc but there's only been one super accurate GPS the Meridian Gold is truly the GOLD standard. The Meridian's compass is silky smooth in continously pointing to the waypoint no matter if i'm walking, cycling or driving - there's no stickiness at all.
The compass is a bit better now that i have calibrated it properly - it will snap to the waypoint even when i'm standing still but when i move it gets sticky again. I'm digging deeper into other posts in this forum and looks like it's quite a common thing. Otherwise how do i determine i'm heading in the correct direction - use bearing? Bearing is not as intuitive as a line drawn towards the waypoint.
I can live without the compass but does the 62s have like a constant line drawn to the waypoint from my position/curson in the map mode as i move - the Meridian does that and it helps hugely to let u know quickly that you are heading in the correct general direction.
The carabiner that comes with it..... don't hold it underneath the unit - let it dangle. We had trouble with a really badly bouncy compass about a year ago and we're pretty sure it was from that. That's my story and I'm sticking to it anyway.....
i'm using Eneloops and the setting is set to NiMh. I've literally spent the whole morning playing and checking the reliability of the compass pointing to the waypoint- my conclusion is u don't want to depend your life on it. It's very unreliable - i'll say it works 15% of the time correctly and the rest is bugger-all (SNAFU). When it works - it would nicely snap to the direction of the waypoint....when it doesn't (85% of the time) it'll just stick. Garmin might as well displayed a most-wanted fugitive picture (at least it'll be useful).
OK....i've now pretty much been able to emulate the Meridian GOld on the 62s - i've now set my Routing to 'Direct Routing' and there's a pink line constantly and ACCURATELY pointing to the waypoint all the time. So as long as i follow the pink line it'll take me to the waypoint. I'm actually quite stoked now...for the first time since getting the 62s in the last few days....OMG....that goto pink line is a no brainer.....it'll point straight to the waypoint no matter how u are moving. Stop mucking around with that dadgum compass screen & wasting your time trying to make it work (it is completely useless).....just use Direct Routing and ride (best u can) on to the Pink line to take you to your waypoint!
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