gps

Transform GPS Co-Ordinates to Container Co-Ordinates.

Hi, I am looking for some service that can transform GPS coordinates into XY coordinates so that I can plot a point on an Image. Something like fromLatLngToContainerPixel would be great. Thanks in advance. P.S. I am developing a desktop application in java. ...

Using GPS data in Application

Hi, I want using GPS data (I got it from $GPRMC) in an desktop application(that uses from mappoint 2009). I get the latitude & longitude, but when I check these points on map, I see the result is incorrect (for example My Data is: 43.412 N, 79.369 W ; but the correct point is: 43.686 N, 79.616 W ). I guess, I must use a correction met...

Can the location of a WiFi access point be triangulated with the following data?

Let's say I have 3 or more peers connected to the same WiFi Access Point. If they all give me: - latitude - longitude - their signal level (dBm) in respect to the same WiFi Is this enough data to get the approximate location of the access point? ...

When should I terminate my application in Windows Mobile 6 Series

There is a blog post on Why Windows Mobile's X button doesn't close the application. 0) My application consumes a lot of battery power since it's using GPS 1) I want the application to be able to be minimized since user may want to multi-task 2) I do have "exit" button but when should I terminate my application when it's minimized? 3) A...

iPhone Development - Assisted GPS

What's the deal with iPhone's GPS? I never get a good reading when i'm in my office building, or in my room. What really ticks it! and what doesn't? Please help me understand the assisted GPS science. ...

Are there any configurable parameters to the gpsd?

I use the gpsd daemon with my application. Sometimes, the gpsd ceases to work with no apparent reason (clean sky). Even the gpsmon monitor shows no fix. Are there any parameters which must be set? Or is it a hardware problem? I am surprissed that many satellites are visible but the "Stat" bitmap does not contain the bit 7 - ephemeris d...

GPS timeout in android

In blackberry, we use a timeout to get the location, so that if it doesnt retun location in that much time period, we get to know. But in Android, there is no concept of timeout, can anyone please tell the alternative, that we can find out that after this much time there is no location update from GPS. ...

Set FIX for GPS in android

Is there a way to set a fix for gps, or is there any way , wherein, in method onLocationChanged(), i can find if the gps is taking more time than 1 minute, then i can stop the listener. ...

In the UK, how do I find an address given the GPS coordinates?

Sorry this is not a very well defined question, I am thinking about an idea for a product, so need to know what is possible... Say I am standing at the fount door of a house, given the GSP coordinates from a smart phone, how can I find the address I am standing at? Is GPS good enough for this? How much does the data/service I need to ...

Clever ways to better test GPS code using only the iPhone simulator?

I've been playing around with the iPhone SDK, using MapKit and Core Location. What are some of the tricks you can use to better test things... while still on the simulator (long before I have to try it out on my iPhone). Is there a way to use NSTimer and regularly get 'pretend' values for location, heading, speed, etc? The simulator o...

Developing an app with Camera Access and GPS

I need to develop a symbian application in which the app is triggered while taking a photo and upload to a web location with the GPS location of the phone. I would like to know which all devices can support this and is there any API restrictions or licence required to do this. ...

how to track distance.

total nubi here and i'm trying to writ an application that trackes how far you have traveled. I can't find anything on how to do this. I can get location, speed, bearing etc. Any pointers on the best way to do this would be appreciated. ...

Given GPS coordinates, how do I find nearby landmarks or points-of-interest?

I just bought a Google Nexus One smartphone, and I want to write a small Android application for fun. Suppose I can get my current GPS coordinates, so then how can I programmatically find nearby landmarks or points-of-interest within some radius? Is there an API to get GPS geo-tagged landmarks, like in Google Earth's database? For examp...

Find top "n" nearby coordinates.

I have a coordinate. I want to find the top "n" (n being a variable value) nearest coordinates out of several thousand rows stored on a MySQL database. I also want to be able to define maximum and minimum distances between the coordinate in question and the coordinates in the database. How best am I to go about this? Would it be bonkers...

Developing a GPS car tracking system

I'm in the brainstorming phase to develop a GPS car tracking system requested by a customer. I myself know the directions to build some GPS system to mobile phones and etc. But sincerely I don't know how to start in that project. That is the scenario: 1) The cars will get a device with a SIM CARD that will emit GPS signals. 2) My custom...

Google's Geocoder returns wrong country

Hi I'm using Google's Geocoder to find lat lng coordinates for a given address. var geocoder = new google.maps.Geocoder(); geocoder.geocode( { 'address': address, 'region': 'uk' }, function(results, status) { if(status == google.maps.GeocoderStatus.OK) { lat: results[0].geometry.lo...

Getting the Position of an Android phone by using GPS

Hey, it's me again, I've got another question regarding to basic Android programming: How can I access the GPS for getting the current Position of the mobile phone the app is running on? How long can this take to retrieve the information? In this case the GPS might be disabled, how can I enable/disable it again. Which permissions must ...

Forcing CLLocationManager updates - does it help or hurt?

I've been trying to find any way to optimize the performance of my location-based iPhone application and have seen some people mention that you can force location updates by starting and stopping your CLLocationManager. I need the best accuracy I can get, and the user in my case would probably like to see updates every few seconds (say,...

How to get nearby POIs

I have a database with Points of Interest that all have an address. I want to know what is the method/name/call to get all nearby POIs from a given position. I understand that I need to convert all my addresses to LAT / LON coordinates at least, but my question is: for a given LAT / LONG how do I get from the database/array what POIs ...

Trouble parsing NMEA data from Serial Port.

I'm retrieving NMEA sentences from a serial GPS. Then string are coming across like I would expect. The problem is that when parsing a sentence like this: $GPRMC,040302.663,A,3939.7,N,10506.6,W,0.27,358.86,200804,,*1A I use a simple bit of code to make sure I have the right sentect: string[] Words = sBuffer.Split(','); ...