# Questions tagged [bearing]

A direction measured in angular units from some reference line. Also known as an azimuth or a heading.

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### Is there a way to import bearings and distances data into google's "My Maps" as a "shape"?

Starting from data I extracted from a land deed of sale from 1956 that contains bearings and distances (and incidentally, landmarks like trees and stones that I cannot see in google maps' satellite ...
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### Converting azimuth to bearing with QGIS expression

For example, an azimuth of "225°" to read "S 45° W." I think there's a plugin that can do this, but I want to use this as a label in QField while digitizing.
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### Triangulation in QGIS

I need to triangulate fire observation bearings from multiple fire towers or points at known locations. The towers are known points on the map. Fire patrol officers may also provide an observation ...
212 views

### How to calculate GPS offset given azimuth(bearing) angle and slope distance and inclination angle of the object

If there is an object (tree) which gives back the below data measured from a given GPS location: Azimuth angle Slope distance to the tree or object Inclination angle to the tree or object. How to ...
1 vote
115 views

### Calculator Bearing different?

I am trying to calculator the bearing/ heading of each line. The value are different when I use the expression "degrees(azimuth(start_point(\$geometry), end_point(\$geometry)))" to the Measure ...
• 113
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### Get the distance and bearing of each pathline using Leaflet.PolylineMeasure plugin?

I have been playing with polylinemeasure:change and I see I can get the value of the total distance easily with currentLine.distance. But how can I get the value of each pathline distance and its ...
42 views

### Drawing bearing from an aircraft

I have a table which records the position of the aircraft and a line of bearing to an emitter - so the use case is (imagine.....) i don't know where London Heathrow airport is but I know the signal ...
• 31
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### Determine if the direction of travel is north or south based on bearing

I have some data where bearing has been calculated using latitude and longitude of the current and previous data point. How would I figure out which direction of travel I am going using this bearing? ...
143 views

### QGIS - Calculating point-line distances on a bearing from multiple points simultaneously?

I'm working on a wildlife study, and hoping to calculate the distance from each of our trail camera locations to the nearest road in eight points of the compass. I used the Shape Tools Plugin to ...
1 vote
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### QGIS main_angle() equivalent in Python?

I'm trying to add functions to a plugin, and need to find the bearing of lines (or 2 points). Using main_angle() I get "NameError: name 'main_angle' is not defined"... Is there an existing ...
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1 vote
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### Interpreting Camera GPSYaw to Geographic Direction

If the GIS SE is not the place for this question, please point me in the right direction. I have been extracting the geographic information from a number of photographs. This spatial information is ...
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### Intersection point (coordinates) of two paths given start points (coordinates) and bearings (degrees) in Python

I'm dealing with geographic coordinates and geographic bearings (true north) and I want to get the intersection point of two points with different coordinates based on their azimuths (True north ...
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### Convert GPS bearing to Cartesian angle

I have two GPS coordinates: Location A 25.07507, 55.14012. Location B 25.07571, 55.13975. The bearing between location A and location B is 332.9°. If we know that location A has a Cartesian point of ...
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1 vote
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### Bearing convergence in digitizing property surveys

I'm digitizing and stitching together a number of adjacent/overlapping property surveys. The most recent ones provide clear UTM/MTM grid bearings and distances, and in some cases coordinates of ORPs, ...
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### Naming polylines in sequences from left to right (west to east) using QGIS

I would like to give each of these polylines an "ID" e.g. 1,2,3,4 etc. from left to right (West to East) or more accurately off a bearing of 125°. How can I achieve this in QGIS? Data: https:...
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### Get road segment true bearings in QGIS

I am working on a city-planning research project using QGIS. For a given area of interest, I have downloaded an open street map layer (the 'highway' keys) with all the roads in that area. What I am ...
• 101
1 vote
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### Calculate Rhumb-bearing applicable for showing directly pointing arrow in EPSG:3067?

In short: A pointer from one point towards another, angle calculated with any Bearing tool / formula in hand, did not show correctly, but some degrees wrong. Calculate made in lat / lon values and ...
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1 vote
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### How to write a rhumb line bearing?

I am working with an American translation (1922) of the logs of Vitus Bering's voyages in the North Pacific Ocean (1742). Latitude and longitude are written in the format 52° 02′ N and 1° 57′ E, but ...
• 11
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### Heading rate/bearing from GPS points in BigQuery

I want to calculate heading rate / bearing from GPS points in Big Query. I've check all of the geography functions in BQ but found nothing helpful. Has anyone done it in BQ? My data consist of ...
• 205
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### Derivation of initial bearing calculation

NOTE: I was recommended by another user that this would perhaps fit better in this stack, initial post link. I needed to make calculations of the initial bearing between two coordinates described in ...
477 views

### Calculating bearing of a line

When the bearing of a line is calculated using the "Add Geometry Attribute (LINE_BEARING)" tool, is the bearing referenced to Grid North or True North?
549 views

### Calculating Grid Convergence

When ESRI tool "Calculate Grid Convergence Angle (Cartography)" is used to calculate line bearing or azimuth, is the bearing referenced to True North or Grid North?
1 vote
284 views

### How to calculate a line from a position and bearing in SQL Server 2012 (Spatial)

Currently I've a table filled with measurements from a certain point. All the rows contain a location in Lat/Lon, a bearing in degrees and some other data containing sensor updates etc. At this moment ...
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### Azimuth calculation in QGIS 3.10

I am calculating the azimuth between two points whose position is defined in WGS84 coordinates. If I Open Attribute Table -> Open Field Calculator and ask for degrees( azimuth( ...
5k views

### True-North Bearing between two GPS coordinates

I am trying to find the correct equation to find the bearing off of true-north between two GPS coordinates. I have seen a lot of online calculators and a lot of formulas on this GIS stack exchange, ...
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1 vote
701 views

### Calculating bearing (magnetic) between two lines?

This should be a basic geodesy question. I have a requirement to calculate "bearing (magnetic)" between two points. Will the igismap Bearing Angle tool do the job or is there something more to ...
782 views

### Relationship between Android bearing and iOS course?

I'm a mobile developer working on an Android and iOS app that displays the user's location and various POIs on a map. I've been comparing the location objects that I get back from Android and iOS and ...
1 vote
2k views

### Add geometry attributes tool in ArcMap successfully runs but no fields are added to attribute table

I am attempting to add a line bearing attribute column to my shapefile in ArcMap. I'm using the Add Geometry Attributes tool to accomplish this. Running this tool is successful, however when I inspect ...
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1 vote
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### Calculating direction for points (lon/lat) in a perfect circle (shape) north of equator?

I have perfect circles in lon/lat on a OpenLayers map. Near the Equator I locate each point on the circle using bearing-calculation for each point from circle-center. Meaning there are 360 bearings ...
• 215
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### Calculate weighted azimuth/bearing of a line

Given the line LINESTRING(-9.086532643219698 -7.939337106873815,-1.396102955719698 -0.9775148048290135,-0.780868580719698 -0.7138718839794582,-0.077743580719698 -0.6699297767574899,0.581436106780302 ...
581 views

### Generate arc from projection coordinates

I have a mind to generate arc from given parameters: start point coordinates arcDistance arcBearing arcOrigin coordinates. My concept is, calculate the end point of arc (function geo.sphere....
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### 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 ...
248 views

### Infering course given origin and destination coordinates

I have two points. A vehicle is at point A and I have the coordinates at point A. The vehicle moves to point B and I know the coordinates as well. I would like to find the angle of movement i.e., 0,...
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### Calculating bearing of polyline in QGIS [duplicate]

I have a shapefile containing a lot of lines which I'm trying to separate based on direction. Is there any way to calculate the line bearing against a compass (in degrees or just as North / North-...
• 41
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### Bearing Geometry Automatic Calculation?

I am building a cadastral fabric and it's really nice to have the bearing and distance come up on the lines as I traverse around. I just found a great way to do this with the Add Geometry ArcGIS tool. ...
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1 vote
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### Moving points by multiple attributes automatically

I have a shapefile including sightings of birds (points), but the gps points are taken from where the sighting have been made, not where the bird actually are. And in the map I need to show the real ...
822 views

### Add line feature using bearing

QGIS 3.4.Is there a way using advanced digitizing to use a bearing, i.e. N 45° 15' 25" E as the angle?
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### Deriving bearings from csv points

I've been working on deriving bearings and distances from lines in qgis 2.18 from a number of coordinates stored as a csv file. I have been able to generate the bearing of the lines using this ...
669 views

### Shapefile from heading and distance directions for property boundary

I have a survey with heading and direction points describing the boundary for a rural property in Brazil. I am in correspondence with someone there who needs a shapefile (I believe he mentioned kml or ...
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1 vote
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### Calculating Distance and Bearing North Azimuth (0 degrees pointing North) in ArcGIS Near tool?

I am trying to calculate distance and bearing in ArcMap using the tool Near, and although it works I need the results to be calculated using North Azimuth (0 degrees pointing North) and not Polar ...
1 vote
2k views

### Using azimuths and bearings in GeographicLib? [closed]

I am currently using the JavaScript port of the geodesic routines from GeographicLib: https://geographiclib.sourceforge.io/html/js/ https://github.com/yurijmikhalevich/node-geographiclib I am ...
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### How to understand degrees in real estate

We are wanting to understand where the easement is on a 10 acre property we purchased. We don't really understand about tags for posting. This is the description: Ingress-egress easement for road ...
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### How to Create a Grid Inside a Polygon that is Oriented with the Longest Side?

I have been using a process called "Create Polygon Graticule" to create a grid within a polygon with assigned row and column attributes. It is a SAGA tool which I have been running in QGIS. It ...
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### Convert Vector field marker to line shapefile

I am using QGIS. I have a set of data with bearings from set points. I have used vector field markers to show them as lines from the point in the direction of the bearing but I want to have this as a ...
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### Bearing of Two close lines in python

In the picture below I am finding the bearing of two close lines. This is the picture of two complete lines. The brown line might be a bit large from the blue line. Should not be the bearing of these ...
• 225
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### Buffering a line with varying distances associated with directional quadrant by QGIS?

I would like to buffer a set of lines with different distances to the NW, SW, SE, and NE. I have the distances stored in four attribute fields that correspond to the direction the buffer should be ...
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1 vote
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### What is the difference between "due North", "N0degreesW" and "N0degreesE"?

Is there a difference between "N0°W" and "N0°E"? These terms have been used in connection with Strike Lines. The final bearing computed was exactly 0. Will the direction East and West ...
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### Calculate velocity x and y components from Lat,Lon and Time

I'm trying to calculate velocity components in the X and Y direction given two points: P0 = (Lat0,Lon0,Time0) and P1 = (Lat1,Lon1,Time1) The points are pretty close together so the components ...
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