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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How do I get the lat-long coordinate of point 1 from a survey plan [closed]

Here are the data from the survey plan: TIE LINES from BLLM No. 3, PLS 561, to corner "1" of: LOT ----------Bearing--------------------Distance Boundary ----S 36deg 41min W ------11,641.21 meters ...
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How do I calculate the latitude of an end point given a start point, bearing, and longitude of the end point?

I have a line that crosses the 180. Given the bearing from Point A to Point B, how can I determine the latitude of the point on the line, given the longitude of the end point to be -179.9999? For ...
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804 views

Basis of Bearing in ArcGIS Parcel Fabric

Can someone explain how to handle a basis of bearing (a rotation factor for an entire parcel fabric) in an ArcGIS (10.2/10.3) parcel fabric? I have a set of parcels at the edge of an SPCS zone, so ...
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QGIS distance from point to line along a specific bearing

I've got a vector layer with points (representing customer locations) and another vector layer with a line (representing the coast line). I want to calculate a "smart" distance to coast. Specifically, ...
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1answer
970 views

Add a label to a mouse pointer

I am drawing a bearing line using a line with max vertices of 2, I have the calculations for figuring out the actual bearing from the lat lon of the original point and the mouse latlon I want to ...
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1answer
488 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,...
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Distance with Bearing Calculation not working

I have this function in Python that calculate distance from a point with bearing. Problem is the latitude part is generating the wrong answer and i cannot figure out where i went wrong: def ...
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2answers
342 views

Calculating Bearing/Direction via Spatial Join?

I was just wondering if it was possible to calculate a bearing field via a spatial join? Basically I have needed in the past to calculate distances from one singular point (e.g a well) to a number of ...
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1answer
105 views

How to detect other objects are on which side of an object based on lat long

I am working on a system that detects the lat/long of vehicles. I want to track other vehicle's position: left, top-left, right, top-right, bottom-right, bottom-left etc based on lat/long. I have ...
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1answer
873 views

Direction and Distance Point Placement

I'm working with 19th century land tax records that provide a direction (expressed as NW, SE, etc.) and a distance in miles from the court house. The info in the Land Tax Records (LTR) is in effect a ...
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1answer
231 views

Obtaining bearings to polygon extents in ArcGIS?

In the context of a wider question, (Generating multiple visibility bearings in ArcGIS as automated procedure?) is it possible to extract bearing information from a particular point or set of points, ...
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2answers
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Generating multiple visibility bearings in ArcGIS as automated procedure?

As a relative newbie to GIS, I'm quite sure there will be a way to do this in GIS (probably most efficiently by writing a python script!) but (to me anyway) this is a fairly complex thing to do and I ...
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2answers
4k views

How to automatically draw lines with a given angle from one single point in QGIS?

I need to draw a bundle of lines all originating from the same point and with a 10° angle between each line (e.g. lines bearing at 0,10,20 ..90..110..220..350). I can't decide a priori the length of ...
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1answer
417 views

Line bearing for wind direction for plume of smoke QGIS

I'm trying to draw a line representing direction of a plume of smoke for an emergency planning scenario in QGIS. The line needs to be 5km in length and have a bearing of 85 degrees. The closest I have ...
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1answer
1k views

Calculating difference between bearing values in degrees

Suppose I have 3 geographic points, A, B and C. I can calculate the bearing of B from A (in degrees) using this SQL snippet: degrees(ST_Azimuth(geogA,geogB)) as brg_a_b ...and the same of C from B: ...
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Variation of algorithms to find point from another point with bearing and distance

There are several algorithms to calculate distance between two latitude/longitude points. Haversine Hubeny Lambert-Andoyer Vincenty's formulae for inverse problem But there are not so many ...
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1answer
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Coordinate systems and bearings

Ok so I've got a noodle scratcher and want some input before I open my mouth to my higher-ups. I recieved a new boundary description from a surveyor that uses metes and bounds in the form of bearings ...
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3answers
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Creating points based on distance and bearing from survey point using QGIS?

I am plotting witness tree data to calculate pre-settlement tree density. I have a shapefile with points along section lines (square miles) at each half mile. I am making another table that contains ...
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Are there tools in ArcGIS for drawing compass bearings, and which projection should be used to create a map showing them?

I have a requirement to create a map (or multiple maps) showing four different locations with a bearing compass drawn around each one, oriented towards Grid North. I was told that each of the ...
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4answers
997 views

How to enter series of points along certain angle at regular distances in ArcMap?

I would like to enter a series of points along a certain angle in ArcMap. I have a UTM coordinate as a starting point, and from that I'd like to enter 10 points at a 120 degree bearing every 50 ...
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1answer
13k views

Applying proper conversion from True to Grid bearing

Assume that Grid North is 1.49 deg W of True North. Also, the magnetic declination is 13.11 deg. If I wanted to take gyroscopic surveys (measured from True North) and then convert them to Grid ...
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1answer
4k views

Calculate Point Angle in QGIS

I was wondering if there is a plugin, or a field calculation in QGIS to calculate a points rotation angle. ETGeoWizards has a tool that allows you to calculate a point layer rotation angle from a ...
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Calculating compass bearing between two GPS coordinates… with a twist [closed]

I'm building a virtual tour application that uses Google's streetview code to render the panoramas into a non-distorted view. Each panorama has 1 to n links where the user can select to move on. I ...
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3answers
31k views

Adding Direction and Distance into Attribute table

I just want to add direction (Bearing: i.e N 25 35 E) and Distance (Length: 125 meters) as my new field in polyline/line data. Is there a Plugin to generate these fields? I tried to used "Export/...

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