Get Location From Latitude And Longitude - Google Maps API V3
Oct 2, 2011
I am trying to create an application which utilizes the distance finder. I want to be able to calculate the distance between two points. I have managed to (with the aid of a lot of tutorials) be able to calculate the distances between two points.
Now, in the application, there will be times where the user does not supply us with their location to calculate the distance. In this situation, the Latitude and Longitude will be calculated and this location will be shown to the user in the address form instead of with Latitude and Longitude.
What I have on one page is the distance calculator:
And on my other page I've got the latitude and longitude calculator.
I'm also stuck because these two pages will act as functions and will be linked to the main page where the input and output will occur. I'm new to JavaScript, but I am willing to do a lot to get this to work.
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Jun 17, 2009
I'm currently using some code that takes the latitude and longitude from a Google map and outputs it in a table when the user drags a marker on the map. I previously had it working that the outputted latitude and longitude appeared in an input box but I can no longer get this to work again.
I have posted the Javascript code below.
<script type="text/javascript">
function load() {
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById("map"));
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
var center = new GLatLng(55.54555, -3.39634 );
map.setCenter(center, 15);
geocoder = new GClientGeocoder(); .....
This is the table I output the latitude and longitude to
<table class="latlontable" style="float:left">
<tr><td width="100"><b>Latitude</b></td>
<td id="lat" name="lat"></td></tr>
<tr><td width="100"><b>Longitude</b></td>
<td id="lng" name="lng"></td>
</tr></table>
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Sep 19, 2011
I am using google map and i want to search address using postal code entered by the user.
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Feb 12, 2010
you can see the sample here [URL]
click on the map to add a marker then move the pin and the values of latitude and longitude fill the textboxes
i use javascript to add the values of textboxes into the listboxes but with no luck
you can see the script in that page
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Feb 11, 2011
I have a google maps application which has an address text box. When we type in the postal address, it gives the corresponding latitude and longitude as a pop up info window on a google map. All i want to do is to be able to get the latitude and longitude info into two text boxes on the html page. I am trying to modify the code but for some reason, I am unable to do it. Here is my code.
HTML page
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
[Code]....
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Apr 7, 2009
I'm currently working on a personal site and I'm using a very interesting javascript library written by Jacob from nihilogic.dk. This library allows me to extract some EXIF-data from pictures. My site will serve as a picture site where I will post pictures from my future world trip (one year travel from north america to south america).
My idea is to take pictures with a camera with GPS functionality so all the pictures will be tagged (in the exif) with a latitude and longitude value.
The objective is to post these pictures on my site when I'm on tour and dynamically link them to a google map so visitors and myself can see the exact location where the picture was taken.
The following libraries offered by nihilogic: (binaryajax.js and exif.js) [URL] are able to read EXIF data such as latitude and longitude from the picture.
Since I'm trying to work with jquery I also tried the jquery version which does also read exif data. However the jquery version of the script doesn't read latitude and longitude tags.You can find this script here:jquery.exif.js
My question is it possible to find a solution that will allow reading out the longitude and latitude data with the jquery script? Is it possible to tell me how to enable this data in jquery?
Here's a test sample of my site using this script. click on the little globe icon under the first picture to see google maps and EXIF data.
[URL]
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Nov 11, 2011
The code below assigns a value to the Latitude and to the Longitude table cells when the submit button is pressed. I would like to have these values appear in text boxes instead. Obviously I need to amend onclick="javascript:usePointFromPostcode(document.getElementById('postcode').value, placeMarkerAtPoint)"
to make this work but I can't seem to. Assuming two text boxes with names lng and lat, how would I amend the line?
Code:
<p align="left">
<table bgcolor="#FFFFCC" width="300">
<tr><td width="100">
<b>Latitude</b></td>
<td id="lat">
</td></tr>
<tr><td width="100"> .....
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Aug 10, 2010
Im familiarising myself with google maps but i cant seem to get what i thought was the simplest thing to work. Im trying to pass the latitude and longitude values from 2 separate labels to 2 javascript variables.
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Sep 20, 2010
I've found the Harvesine forumla to get the distance between any two points of latitude and longitude on the earth's surface. What I want is a little different - I want that, given a point and a distance, to get the latitude and longitude of a second point. I'm having trouble reversing the forumla. The current formula:
[Code]...
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Aug 25, 2009
I'm new to this forum and JS. I simply want to be able to use the Google Maps API v3 to allow a location value entered in my app (by the user) to show that location via Google maps.The code below accomplishes this via an onClick event. How to accomplish the same WITHOUT an onClick? To be clear, it appears I need to be able to perform the geocode lookup to get the long/lat coordinates and then apply them. That all needs to occur on page load.
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
[code]....
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Feb 4, 2011
Hopefully a really quick question. I'm a JS novice, and am looking for a way to output the coordinates of a Google maps marker into the value of two text fields, one for latitude and one for longitude.The code below is a simple location search which returns a result with a draggable marker. Currently, the coordinates in both text fields update when the location search is performed, but not when the marker is dragged to a new location afterwards.
<html>
<head>
<style type="text/css">
[code]...
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Jan 5, 2011
I want to have several maps on my aspx/ascx-Webpage, but only the last one is rendered after PageLoad(). Is there any limitation for that in the goMap() plugin?
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Dec 31, 2010
I'm developing a land use map and want to use Google Maps. Just want to ask if the Javascript API could actually handle overlays like this sample: URl...Or you would suggest other ways to do this?
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Apr 7, 2011
I'm not sure where I have translated this incorrectly. I have one google map embedded on my page which works fine. But I wanted to add a second one. I thought the easiest way to do this would be to have a second page which is called later on with all the details on it for the second map. However although I think (this I presume is where I went wrong) I have replicated the instructions correctly the place holder for the second map just remains blank.
This is the code for my called page with the instructions for the second map:
And this is the script of the main page, just in case I would be better off keeping them both in one place.
<head>
I've cut out the script that doesn't relate to this so I hope I haven't missed anything important.
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Jun 14, 2010
I'm working on a project which implements google Maps. Now I have to choose between GWT or JavaScript as a programming platform. I'm wondering which is faster when accessing the data to be used to initialise the maps from a remote server?
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Nov 2, 2006
Been looking at google maps, but i am not sure if this is possible, what do you think?
1) Fill database with places (refering to lat + long values) + put markers on google map.
2) Users can then browse the map, click on a marker to select the location which referes to a place in a database.
I know I can add markers to a map. Not sure if it is possible for a user to click one, which then fills a box in a form though.
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Oct 1, 2010
I am working on creating a map using the google maps API. I would like to update the markers and info windows using an XML database. I know how to parse the XML using PHP if I was just going to create a table on the page, but for the life of me I can't find a complete and simple description of how to do it with javascript. I've been reading tutorials and W3 schools reference for over a week trying to figure it out. I'm new to javascipt, so some of the stuff I don't really understand. I did find a similar question posted on this forum, although I can't get it working. Here is my code (note: this code doesn't work, I know that I'm missing some way to load the xml and parse it, but I don't see how its done):
[Code]...
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Sep 2, 2011
We got a google maps with a bunch of pins. Each pin is setup to use our blue custom icon image. I'm trying to make it so that when you click on a pin, that particular pin changes to a green version of the icon, and all the reset stay blue. If the user clicks another pin, it turns green and the previous goes back to blue.Basicly only the clicked active pin should be green.
google.maps.event.addListener(markers[indx], 'click', function() {
this.setIcon("/images/greenmarker.png");
});
Here is my code so far that will change the clicked pin into a green version.My problem is all attempts to change all pins back to blue prior to changing this clicked pin to green fails bad.
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Oct 13, 2005
I am messing around with Google Maps a little and the fundamental difficulty in building anything useful is extrapolating address information from another website. I would like to be able to use a form like yahoo yellow pages send it a zip code and get back a bunch of, say, banks in that zip code and parse the address out. Some things, very few, actually return data in the XML format, but how do you write a script that send a request to a website and then returns that request as a DOM object. I'll even take HTML and then I'll parse it out myself, but how do you do that.
I know it sounds fundamental, but I'm a real beginner in this, so if you can push me in the right direction I would appreciate it too.
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Jun 9, 2010
I think maybe this is the right thread for it since i found out Google map control can be created using AJAX.
So the question is simple, How to create Google Maps Control ? preferably in an ASP.Net environment.
Found a source code here (GNU licensed)[url]
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Sep 26, 2011
I've seen several websites using a custom image as a map with google maps controls.I'm familiar with how to use the google maps api in general, but I don't know how to use a custom map image that isn't based on the real world, in other words it will be an image of a map from a video game, so general latitude and longitude wont apply.
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Feb 22, 2006
Does anyone have any idea as to how google loads pieces of images
together so as you drag new image pieces are loaded from the server?
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Aug 27, 2009
I am trying to display a map with Google maps. The code listed below is located at http:[url]....
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">[code]....
I find another example where some uses a CDATA tag, but it still doesn't work. http:[url]...I finally remove the DOCTYPE and it works. http:[url]....My problem is I want the DOCTYPE.
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Feb 10, 2008
I am going to include a google maps to my web with markers, the map works perfect, the problem is that I dont want people to be able to do max zoom for security reason, so I need to put an limit zoom in it, and I cant find out how to on internet, I dont know javascript to do it for myself.
This is the script I use:
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Dec 22, 2009
I have a boss who wants to show 5000 points on a Google map. So far, only a fraction of this being displayed freezes the browser. I've been challenged to make this possible while still in the realm of the browser. Would the flash version of Google maps api be a better bet? Does flash provide a better framework for this kind of heavy usage?
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Jan 8, 2010
I have the following code to insert a google map of the UK into my page with some markers on it. This is fine except I want to change the icon to a simple flat spot. I'm sure this is easy and I have actually managed this before when there was only one marker on the map. how to do it on this example though.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[Code].....
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