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11
votes
2answers
246 views

Looking for ready tools to display real-time positions online

we want to show that in a big city like Palermo, cycling can be the fastest tool (and at the same time the most ecological). We will give 4 smartphones to 4 users, and there will be 4 ways to move: ...
10
votes
1answer
367 views

Overview of GPS tracking system technologies

Background: I've been asked by a friend to estimate the cost of setting up a GPS tracking system for a small fleet of buses, so we can do real time reporting of bus locations via a webmap. In my ...
8
votes
9answers
547 views

Fleet tracking software options

Before I sit down and make the mistake of start writing my own, I wanted to know my options for good, modern, fleet tracking options that are not too expensive. What I am looking for is something that ...
7
votes
2answers
256 views

vehicle tracking system in postgresql performance

I am developing the vehicle tracking system using postgresql. When the data comes from device to my DB server, I am calling the following functions after inserting data into log table. Distance ...
7
votes
3answers
240 views

How to derive vehicle paths from timestamped location data?

I've got a bunch of location data for snow plows. There's a unique id for every plow, a timestamp, and x & y coordinates. Instead of knowing where hundreds street plows were at one minute ...
5
votes
3answers
277 views

Register and display real time tracking of my smartphone (gps) on a map

I have 2 smartphones (android galaxy and iphone) and i would like to display the position, according to the gps coordinates, on a map. Is there any app to download or any kind of service where i ...
5
votes
3answers
232 views

How to record tracks finer than 10-30cm resolution (possibly using an iPhone)?

I am trying to record tracks at a much finer scale than is possibly with GPS but hopefully using something simple and cheap, ideally an iPhone. The resolution for track data I am after is around ...
5
votes
1answer
279 views

Cleaning GPS track data

I have data captured with a GPS tracking unit. Some track have bad/cold starts and the only way to determine the track quality is by using the altitude. Unfortunately I don't have the raw GPS data and ...
4
votes
2answers
98 views

ArcGIS Tracking Server

I want to create a vehicle tracking application. I have ArcGIS Desktop and ArcGIS Server. Can I create application for real time with these two software? I saw in ESRI site another server called ...
4
votes
1answer
69 views

Different ways to publish media-enhanced route/trail information to mobile users

I'm looking for some different approaches that a non-profit I'm helping could use to publish information about some tourism routes. Each route is 1-2 tracks, with some historical background ...
4
votes
0answers
73 views

Indoor positioning system hardware

I'm a software developer, dont know much about the hardware specifications and dont know where to start. (Even not sure is that the right stackexchange I should ask this question.) So, I want to know ...
3
votes
1answer
133 views

Using PostGIS for a large trajectory dataset

I have a spatial trajectory dataset which basically contains about 10E6 (lat,lon,time)-tuples, grouped together by an identifier so they form trajectories. Currently, SQLite is used to store the raw ...
3
votes
2answers
277 views

How to get the layers of my project to show while tracking with GPS?

I've been using/testing several versions of various GIS software and run into occasional issues. Right now, my biggest with QGIS is with GPS connection/downloading from/tracking. These are all ...
3
votes
1answer
119 views

Given a known batch of mobile-obtained gps data with timestamps, what algorithms can be used to clean it?

I'm working on the backend for an iOS/Android app that collects locations every hour and syncs with the server every three hours. The mobile apps themselves are not under my control and so I can't ...
2
votes
1answer
185 views

Triangulation Algorithm

I want to track device using triangulation algorithm. It works fine with 3 BTS stations at 3 different locations. What should I do if only 1 or 2 BTS exists.
1
vote
1answer
44 views

What is the best way to construct a SQL query that returns the block name for each bus point as it travels?

I have two datasets in postgres; 1) a bunch of points that represent bus locations 2) city block polygons. Each bus has a unique ID and each block polygon has a field that has the block name in it. ...
1
vote
0answers
51 views

“Flight recorder” for automobiles/motorcycles? [closed]

As I sat in traffic court last week for a non-moving violation, many of the cases were clearly he said/she said issues.. particularly with stop sign violations. I can easily see how this specific ...
0
votes
0answers
31 views

QGIS GPS live tracking adding polygon vertices

Maybe I'm missing something or maybe it is a bug? I'm trying to add polygons using the GPS information console. The only button available to record data is "add polygon", but if you click on it, you ...
0
votes
0answers
47 views

Finding the “best” sections of a waypoint track

Sports tracker applications usually record a timestamp and a location in regular intervals in order to store the entire track. Analytical applications then allow to find certain statistics, such as ...