# Questions tagged [triangulation-survey]

Land surveying process, from former times, of measuring horizontal angles, and relatively few distances, among a network of control points and subsequent calculation of horizontal positions.

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### Triangulation in ArcGIS Pro

I have a telemetry dataset for bats where one person stood at Point A and aimed his telemetry antenna to find the location of a bat. His/Her Lat/Lon coordinates and the angle relative to true North is ...
• 61
1 vote
49 views

### Software for reducing manual theodolite observations

I have a set of survey data as a baseline traverse with side observations done using a manual theodolite (my elderly Cooke Tavistock). This is mostly horizontal and vertical circle readings plus ...
410 views

### Seeking list of geodetic benchmark locations for all of Canada? [duplicate]

Does anyone know where I can find a list of geodetic benchmark locations for all of Canada? I am looking for a few specific control monuments in Arctic Canada with accurate coordinates
515 views

### Trigonometry and calculating the elevation angle from aerial photography

I was wondering whether anybody could advise me on a way to calculate the elevation angle from a camera to an object in an aerial photograph taken from a known elevation with no suitable reference ...
59 views

### 2D Curve to poly-lines transformation through triangulation?

I'd like to understand whether it is possible to change the curve in the picture to a sets of poly-lines through triangulation? and is it possible in QGIS? Otherwise, are there other methods to ...
• 153
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### Triangulation: Estimate a location using lat/long coordinates and bearings

I would like to get an estimated location using lat/long coordinates and bearings at each of those coordinates using R. In this case I would be approximating the location of a turkey nest that I have ...
• 83
1 vote
1k views

### Bearing to X,Y, Z

I’m working on a small project where I’m testing the ability of a laser to accurately measure the angle of a wire. My control for the experiment gives me X,Y,Z coordinates for a point on the wire and ...
• 11
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### Proper ground-to-grid correction and projection from old survey maps

I asked this question over on the ESRI geonet site, but haven't had any luck there, sorry for the duplication... I'm working on digitizing a group of maps from the 1950's that show locations of ...
• 43
1 vote
2k views

### Generate delaunay triangulation from 3D(x,y,z) points

I have 3D Points array.each 3D point have x,y,z data. I want to generate delaunay triangulation.I am new in delaunay triangulation. My array as below. -256.24 85.35 5.0 -262.24 84.35 15.0 -263.24 87....
• 11
3k views

### Map location of unknown point with distances to two known points

I'm trying to develop a function in R that will locate a point (A) on a map given distances between that point A and two other points (B and C), for which exact coordinates are known. The problem I'm ...
• 143
15k views

### How to get intersection point from two lines (two coordinated points and two bearings)

I have tried for ages to find the algorithm for getting the coordinate of two intersecting lines from two given coordinated (latitude and longitude) points. As the picture below suggests, I have two ...
• 131
1 vote