# Questions tagged [compass]

An instrument used to find the direction of north from one's current location, consisting of a case with compass points marked around its edge and a floating magnetic needle that pivots to point to magnetic north.

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### Three.js compass implementation

i implemented a compass for my three.js scene based on https://jsfiddle.net/prisoner849/gpbyw3co/ , but when i rotate object in my scene,the compass is is not showing the north correctly. Now i search ...
691 views

### Shift a lat/lon coordinate based on a distance and direction? [closed]

I have a coordinate in (lat/lon). I want to find a new coordinate shifted from this point by 'x' meters in the direction given by a compass bearing (degrees). The distance offset I am hoping to ...
412 views

### Adding bearing compass to ArcMap?

I need to add a bearing compass to ArcMap 10.3.1. I can't seem to find the steps or process to do so. I am trying to add a compass with a 360° bearing, centring on top of a lookout in ArcMap. I can'...
11k views

### Finding compass direction between two distant GPS points?

I have a Latitude & Longitude for two locations (me in the West, him across the country), and a web-calculated GPS point for each. I'm trying to figure out which direction -- per my compass -- to ...
339 views

### Does Magnetic Deviation depend on altitude? [closed]

Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north. Declination is positive east of true north and negative when west. Magnetic ...
64 views

### calculate turning acceleration from a compass

I have degree and timestamp and want to calculate the turning acceleration. What to trigger if the compass is turning fast. Is there a mathematic way to get an acceleration parameter?
2k views

### Getting the compass point given longitude, latitude and direction in degrees

I have this data gathered using a GPS device No. Time Longitude Latitude Speed(Km/h) Compass point Direction (deg) 1 10/20/15 1:34 40.11724 -3.21032 11 Northwest ...
498 views

### Comparing compass bearings

I have several compass bearings: bTrue = 190° b1 = 250° b2 = 100° b3 = 170° b4 = 90° I want to compare b1 - b4 and find out how close they are to bTrue. So bTrue is 100%. How much percent is then b1,...
1k views

### How can I add 3 axis orientation information to my photos?

I have a survey project where I need to record not only the location, but the direction (bearing and angle of elevation/depression) that the camera was pointing at the time the picture was taken. ...
1k views

### Knowing acceleration, gyro and compass data how to calculate north direction [closed]

I have a small video camera with an attached sensor. I can get from the sensor his acceleration, gyro and compass data. Knowing this data I need to rotate the camera so that it will look strictly ...
283 views

### Compass error (can't find proper directories)

Compass::SpriteException in Sessions#new Showing /home/cartodb/cartodb/app/views/layouts/front_layout.html.erb where line #12 raised: No files were found in the load path matching "icons/*....
15k views

### At the northpole, which way is east? [duplicate]

If a person stands on the north, or south pole. How do they determine which way is east/west?