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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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2 votes
1 answer
185 views

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 ...
PrabhaV's user avatar
  • 61
1 vote
0 answers
53 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 ...
user169315's user avatar
-2 votes
1 answer
458 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
SarahHart's user avatar
2 votes
0 answers
549 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 ...
JinfengArsene's user avatar
2 votes
0 answers
61 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 ...
Arbo94's user avatar
  • 153
4 votes
1 answer
2k views

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 ...
Southard's user avatar
1 vote
1 answer
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 ...
Rich's user avatar
  • 11
4 votes
2 answers
2k views

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 ...
JenK's user avatar
  • 43
1 vote
1 answer
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....
kalpesh's user avatar
  • 11
4 votes
2 answers
4k 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 ...
tef2128's user avatar
  • 143
2 votes
5 answers
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 ...
Wildcard's user avatar
  • 131
1 vote
0 answers
1k views

Python code to determine the position on a map using Geo-Tagging

What is a proper python code, which enables to scan photographs (when captured from a series of snapshots) and match it with a geo-tagged image database. Based on the extent of similarities existing ...
Nikhil Sayi's user avatar
41 votes
3 answers
79k views

Differences between triangulation and trilateration

Looking around I noticed that many people interchange the terms (triangulation and trilateration) for the same sense. What is the correct sense of Triangulation and what are the differences from ...
adev's user avatar
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