The process of determinating absolute or relative locations of points by measurement of distances

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4
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1answer
58 views

How do I plot points that have relative coordinates rather than total station coordinates on a map?

I have about +100 points of various descriptions from an archaeological survey. They are the backlog from years of excavations BEFORE systematically using Total Station at the site. For each artifact ...
1
vote
0answers
35 views

Trilateration using two or three points

We have a positioning system where we can measure our range without 0.1m from multiple beacons. The placement of the beacons is about on a 1-2km box. So we could get anywhere from 2-4 ranges from ...
0
votes
1answer
65 views

How does the radius work in Trilateration

I've been trying to understand the trilateration algorithm based on the wikipedia article. As of now, I have a system where I have the distance of 3 sensors wrt my position and i have the exact GPS ...
3
votes
2answers
1k views

Converting from an x-y coordinate system to latitude/longitude

I'm building an indoor wifi-based tracking system that can calculate the position of a device in meters relative to the sensors distributed throughout the building. So far I've gotten to the point ...
0
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1answer
60 views

Bilateration using longitude, latitude

I have 2 coordinates (Longitude and Latitude) and a distance from them to a third coordinate. How is it possible to calculate the longitude and latitude (probably 2 possibilities) of the third ...
4
votes
2answers
385 views

Multilateration Code

I am currently writing some code to do multilateration using TDOA and currently struggling and wondering if anyone has any reference code that can be used as a test case with some sample data that I ...
1
vote
1answer
96 views

Pure html based indoor navigation

I would like to locate (position) people inside buildings without forcing them to download a native app. I'm focusing on iOS and Android devices. I therefore thought about wifi triangulation ...
3
votes
0answers
64 views

Given distances from two locations how to accurately find geographic coordinates [duplicate]

I am working on a research problem which requires me to calculate a geographic location accurately (with error distance of few meters), given distances from two geographic locations. For instance: ...
0
votes
1answer
193 views

Trilateration algorithm for n amount of points in R?

I read the page Trilateration algorithm for n amount of points and I have to do similar kind of trilateration in R. I am not that expert in R, can anyone help, if there is similar function/package ...
1
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0answers
252 views

Trilateration Math Check

I'm trying to crate an indoor trilateration program working off of N BLE objects. Where I have any number of beacons in a room and my ipad can track its location within them to a sub meter degree of ...
1
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0answers
177 views

Trilateration issue

My program isn't making use of any geographical data, but I'm hoping that the users experience in the subject can help me with my current issue. The project I am working is trying to locate a user in ...
1
vote
0answers
172 views

Math algorithm for n amount points in objective-c

I need some information about the Answer on an earlier Question. I need this calculation for an iOS App. I have three points with different Circles. I understand the problem and your solution. But i ...
1
vote
1answer
316 views

Long range Trilateration from 3 lat, long, range

I've been looking at the following solution to a similar problem Trilateration using 3 latitude and longitude points, and 3 distances However with my problem the 3 points are spread over a large ...
12
votes
3answers
608 views

How can I use ArcGIS 10.1 to find a geodesic equidistant point defined by three points?

For example, I have coordinates for three base points on a coastline and I need to find the coordinates of the point off the coast which is equidistant from all three. It’s a simple exercise in ...
2
votes
1answer
534 views

Trilateration 3D - Vincenty's Formula

with reference to Trilateration using 3 latitude and longitude points, and 3 distances. The accepted answer was votes as shown in wikipedia at: http://en.wikipedia.org/wiki/Trilateration in ...
9
votes
0answers
108 views

Iterating a model to create 3 buffers around three points and find their intersection (trilateration) in arcgis 10 [duplicate]

This past summer I recorded the location of a large number of plants I was working with by calculating the distance from each plant to each of 3 tripods for which I have GPS coordinates. I'm trying to ...
16
votes
2answers
12k views

What is the difference between triangulation and trilateration?

Looking around I noticed that many people exchange the terms (tringlulation and trilateration) for the same sense. What's, actually, the correct sense of Triangulation and what are the differences ...