latitude-longitude

Point on Circle (Longitude/Latitude) in .NET/SQL

Hello ;) I've got the following problem: I have a table with long/lat values and another table with a project-id and long/lat/radius (circle). Now I need to find out which project matches the long/lat values from the first table. Is there an easy way to do that? I'm using VB.net and a SQL Server. Thank you very much for your help. ...

Finding lat/lng for based on postalcode

I have a dataset of thousands of full addresses of business (specifically in the netherlands, but I guess the question can apply everywhere). I want to find the lat/lng so I can do distance calculation, but because of the size of the dataset I'm worried it's not a wise idea to do this using for example google maps. Is there a webservi...

Point on Polygon (Longitude/Latitude) in .NET

Hi I need some help for my problem ;): I've got a polygon definied with 3 or more longitude/latitude points. Now I've got another longitude/latitude point and I need to check if this point is in the polygon area or not. I need this function in .NET. Can anyone help me? Thank you very much for your help. ...

Location Based Search (Lat,Long) TSQL MS Server 2003 R2

Group, I'm looking for a query that can do a location search in radians with in a binding box. With a table structure like ProductID,latitude,longitude,timestampGMT. Any helpful suggestions. Chad ...

Get points from a Gdirections route

Hi, I'm trying to get a collection of points (latitude,longitude) between 2 adresses. The points needs to be on a valid tracfic route. I currently use Gdirections to create a route between 2 adresses. Is there a method to get somepoints allong this route? To me it seems impossible... thx in advance! ...

Looking for free web services APIs based on geolocation (latitude and longitude)?

Hello! I am developing a web project, which uses a database with many places worldwide and their geolocations (latitude and longitude). I am looking for any free web services and APIs, working with coordinates and returning any useful and interesting data in possible to parse format. I want to make my project more complete, useful and...

how to get latitude and longitude for particular landmark?

how to get latitude and longitude for particular landmark/business, i would like to get lat/long for specific address how to i do that? shall i use gps device to get the lat/long? ...

How to convert Vector Layer coordinates into Map Latitude and Longitude in Openlayers.

I'm pretty confused. I have a point: x= -12669114.702301 y= 5561132.6760608 That I got from drawing a square on a vector layer with the DrawFeature controller. The numbers seem...erm...awfull large, but they seem to work, because if I later draw a square with all the same points, it's in the same position, so I figure they have to b...

Need to find latitude and longitude of postcodes and store into my database

Hey guys, Ive got a database full of UK Postcodes, now i'd like to be able to store the latitude and longitude of these specific postcodes along with the record with the database. Is there anyway that i can obtain this data free without violating any T&C's? I know i could do this using google maps api for each postcode, but i have wa...

How do I calculate the distance between two points of latitude and longitude?

i have latitude and longitude of particular place and i want to calculate the distance so how can i calculate it? ...

Convert latitude and longitude into northings and eastings

Hi I have the following UK postcode dy8 3xt and know that the latitude and longitude is:- 54.452772 -2.156082 I also know that the Eastings, Northings for the postcode is:- 389490 283880 However I am struggling to find the equation that converts lat/long to northings and Eastings, I would prefer to have the equation in both in ...

Longitude and latitude value from IP address

Is it possible to get the longitude and latitude value from IP address in asp.net? If it is possible, please let me know how can I get this. ...

Iphone. Create a latitude from a string or integers

Hi. One small conversion problem that drives me crazy. I have a string (ex "35.453454") that represents a latitude. I want to use it as a latitude for CLLocation. How can I convert the string in the proper CLLocation (in degrees) format ? Many thanks, this drives me so mad ! Thomas ...

Mapview getLatitudeSpan and getLongitudeSpan not working

Hi! Sometimes when trying to get the Latitude span or Longitude span of a mapview with getLatitudeSpan() and getLongitudeSpan() I get 0 and 360*1E6 respectively. This doesn't happen always but it is a problem, has anybody got this problem? Any workarounds? I tried using getProjection() too but I get the same problem. Here is the piece of...

Add kilometers to a map point

Good morning. I would like to know how do I add kilometers to a map point (latitude / longitude). For example: The city Jaraguá do Sul is in latitude -26.462049, longitude -49.059448. I want to add 100 kilometers up, down, and on the sides. I want to do a square and get the new points. How do I do that? I tried it: <?php $distance =...

Converting UTM (wsg84) coordinates to Latitude and Longitude

Hi stackoverflow, I've been searching for a while now (here and on google obviously) for a neat way to convert a set of UTM coords to Latitude and Longitude. I've got the coords and I know in what zone they are, but how do I convert this to lat and lon? Was hoping there would be some kind of a class that could do at least some of the ma...

How to add the coding for displaying the address when a particular set of latitude and longitude is selected into the following codes?

package net.learn2develop.PopularAttractions; import java.io.IOException; import java.util.List; import java.util.Locale; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import android.location.Address; import and...

Convert latitude\longitude to screen points

I have a table with columns NElatitude,NElongitude, NWlatitude,NWlongitude, SElatitude,SElongitude, SWlatitude,SWlongitudepoints. Other application(am don't know exactly) will insert the data into this columns. Using that data in C#.net desktop application, i have been asked draw rectangles on screen. sorry for inconvenience thanks &...

Draw rectangle using latitude/longitude on screen

The existing application is providing me 8 coordinates like NElatitude, NElongitude, NWlatitude, NWlongitude, SElatitude, SElongitude, SWlatitude, SWlongitude and I have been asked to draw rectangles on screen using these coordinates as screen points. These rectangles should be with scaling. os :- winXp and C#.Net Thank you for your h...

get lattitude and longitude of a place against its zipcode

Hello i have used the following code to get the location of the particular place on map using the following piece of code NSString * urlString = [[NSString alloc] initWithFormat:@"http://maps.google.com/maps/geo?key=%@&amp;output=xml&amp;q=%@",GoogleMapsAPIKey,[placeName stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]...