Questions tagged [bearing]
A direction measured in angular units from some reference line. Also known as an azimuth or a heading.
74
questions
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0answers
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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 ...
0
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1answer
462 views
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 ...
0
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1answer
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 ...
3
votes
0answers
295 views
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, ...
2
votes
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 ...
2
votes
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,...
0
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1answer
1k views
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 ...
2
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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 ...
1
vote
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 ...
1
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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
191 views
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 ...
4
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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 ...
1
vote
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 ...
2
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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:
...
4
votes
2answers
2k views
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 ...
4
votes
1answer
3k views
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 ...
8
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3answers
17k views
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 ...
6
votes
2answers
3k views
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 ...
2
votes
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 ...
5
votes
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 ...
3
votes
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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0answers
3k views
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 ...
21
votes
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/...
