Tagged Questions

10
votes
3answers
2k views

Open source alternatives to Google's StreetView engine?

I am looking to create an open source javascript app using either Leaflet or OpenLayers. Is there any way to implement panoramic views (similar to Google's StreetView) into either of these, or any ...
7
votes
2answers
2k views

How to cluster Google Maps kml overlay

I have several thousand markers stored in a kmz file that I load into a Google Maps (v3 API). I've looked around to find a way to cluster the overlay data, but to no avail. MarkerClusterer looks ...
6
votes
2answers
189 views

Randomly Generate Streeview Point without GIS in country

I'm interested in pulling street view data at random within a country. I can only figure out how to generate a point within a bounding box. Often it pulls data from nearby nations. I'm using a GIS ...
6
votes
1answer
1k views

Add a OpenStreetMaps road data layer on Google Maps API v3

I've successfully embedded a Google Maps API v3 map on my site, and added OpenStreetMaps (OSM) as the base layer. Is it possible to use Google's tiles as the base layer, and then overlay street data ...
5
votes
1answer
2k views

Find bounding box of a Google map

Is it possible to get the bounding coordinates of a google map that a user has zoomed to using Javascript? I see that it can be done using the Google App Engine but I don't know if is possible using ...
5
votes
4answers
3k views

Google maps kml and polygon eventclick error

I have a google map polygon kml file that I am loading on a google map. When I click on the polygon, I draw a line from that polygon to places on the map. To do this I am using the code: //Add KML ...
4
votes
2answers
4k views

How do you get the coordinates from a click or drag event in the Google Maps API V3?

I have made a Google Version 3 Geocoder , I want to be able to pick up the coordinates of the marker when it is dragged or clicked. Below is my code: <!DOCTYPE html> <html> <head> ...
4
votes
3answers
3k views

Using the Proj4js library to convert from Google Maps to projected values

I'm using the proj4s javascript library (based on advice from this question I asked previously) to convert lat/long values on my webpage. This page receives the lat/long values from google maps and ...
4
votes
2answers
3k views

Removing polylines from google maps

I have a point where a Gpolyline line is drawn from a marker to another point. After I click on it a second time, I want to remove the polyline. How do I remove the line after clicking on the marker a ...
3
votes
1answer
304 views

Google Maps Decodepath change variable name

I have this code: var directionsService = new google.maps.DirectionsService(); var request = { origin : start, destination : end, travelMode : ...
2
votes
2answers
376 views

how to buffer inside a polygon in Javascript

I'd like to know if it's possible to buffer a polygon on the INSIDE only using OpenLayers and other Javascript tools (e.g. jsts). Here's what I found about the topic in general: Buffering INSIDE a ...
2
votes
2answers
2k views

Calculate bearing between two decimal GPS coordinates

I'm building a virtual tour application that uses custom panoramas in conjunction with Google's StreetView service. With StreetView, you can have 1 to n links at each particular location to move to, ...
2
votes
2answers
228 views

How to pull lat/lng from a map canvas and update a database

So if i want to pull out lat/lngs after user clicks on a map canvas (lat/lngs are pulled using any javascript API (leaflet, wax etc.) and add this to a postgresql database using a query, how do i do ...
2
votes
1answer
201 views

Google Map API Drag event..?

The below code is working perfectly on click event to retrieve Lat/Long and Current Zoom level. How do I get the same when I hover mouse/drag on map Window (not on submit button)? <!DOCTYPE ...
2
votes
4answers
4k views

How to use Google Maps V3 Geocode with Openlayers

How to use Google Maps V3 Geocode with Openlayers. Below is my code but the function does not execute when I try to integrate it with Openlayers. This works with my original google v3 file. Below is 2 ...
1
vote
1answer
69 views

Why does an OpenLayers map.getNumLayers() return 0 even though I've added a layer?

When I try the following code, OpenLayers returns a zero result. What have I done wrong, here? var map; function loadMap () { // Based on example code: view-source: // ...
1
vote
1answer
621 views

How to unproject coordinates on a Google map with Openlayers?

Below is my code and a pic. When I finish making my circle on a Google map with Openlayers, I get the following coordinates but I want coordinates like E.G: bottom: -27.762124575762 left: ...
1
vote
1answer
102 views

How do you get the coordinates from a drag event in the Google Maps API V3?

I have made a Google Version 3 Geocoder , I want to be able to pick up the coordinates of the route when it is dragged. I know how to pick up the coordinates giving the start and end points, but, ...
1
vote
1answer
284 views

I wanting to reproject the vertices of my polygon. I have been able to achieve this for the bounds but having a bit of trouble with the vertices

I wanting to reproject the vertices of my polygon. I have been able to achieve this for the bounds but having a bit of trouble with the vertices. function onFeatureModified(event) { ...
1
vote
1answer
651 views

How to geocode addresses from MySQL and add them like markers to the Google map?

I'm using Google Maps API and Google Geocoding for geocoding addresses. I have table named 'users' and column named 'location' in MySQL database. Column 'location' contains addresses. I need to ...
1
vote
1answer
623 views

map extent to show specific country

I use openlayers in my web app.I want to set map extent on specific country to show cities of that country but i don't know which option of map can show specific country in map!. How can i show ...
1
vote
2answers
491 views

How to create a custom Balloon for Google Earth?

I just came across one question related to google maps in stackoverflow. Google Maps: How to create a custom InfoWindow? I really like the popup that they mentioned in the question and the image is ...
1
vote
4answers
884 views

Map in an iFrame - open hyperlink from infoWindow in the calling page

I've got a Google Map being served inside an iFrame on a page (eg xxx.com/PageWithMap.html) The code for the Google map sits on another domain (eg yyy.com/MapCode.html) So it looks like this on ...
1
vote
0answers
73 views

Google Maps v3 with Openlayers - First Zoom Level

I use Google Maps v3 in my application and I noticed a strange behavior, When I refresh the web page, the map zoomed out to display the whole map then get back to the zoom level I specify in my code. ...
1
vote
0answers
127 views

How to create a Google Maps with draggable routes with fixed markers

I have a webapp where I show a route on a map, I pass two address and show the route on map, so I'd like that this route should be draggable but the points A and B shoud be fixed. How to do this?
1
vote
0answers
87 views

How to set up the layer order with Google Maps API?

I'm developing a web mapping site (using google maps api 3.0 and javascript) that combines wms layers and ground overlays (uploaded rasters) that are displayed on top of google maps. The software is ...
1
vote
0answers
377 views

OpenLayers: Click event to display position shows Uncaught TypeError: Cannot call method 'getLonLatFromPixel'

I have created a map using openlayrs, and put a click event to display its position in screen, when i clicked got an error message like Uncaught TypeError: Cannot call method 'getLonLatFromPixel' of ...
0
votes
6answers
1k views

Is it possible to query a MySQL database using the results from map.getBounds() with Google Maps API v3?

I have a MySQL database that contains a large number of polygons, one for each district on a map. They are all quite complicated and it's unrealistic to simply load them all at once. I've looked into ...
0
votes
1answer
2k views

How to use Google Default Pan/Zoom controls in openlayers

I am using Google maps version 3 with Openlayers,My question is how do you use the default google control for Panning and Zooming and not the default controls Openlayers panning and zooming(The dark ...
0
votes
0answers
53 views

Polygon colors overlap when zoom in the google map [closed]

I have posted this question in StackExchange previously with a different heading, but did not got much response. Posting this time again with some more clarification. I have implemented a google map ...
0
votes
0answers
26 views

Simulating Random Movement Google Maps [duplicate]

Hi i have a pair of longitude and latitude coordinates and i would like to make a marker move on a map the path that it moves should be randomly generated however i want the marker to move 1 km every ...
0
votes
1answer
166 views

How to draw straight lines inside google map polygon [closed]

I have created a google map using google map javascript API V3. I am drawing number of zipcode polygons. The polygons are of different colors depending upon some condition. Now I want to draw straight ...
0
votes
1answer
120 views

Not showing multiple markers on OpenLayers

I want to show multiple markers on my Google map with OpenLayers. Below is my code : for (var pointcount = 0; pointcount < jsonObj.length; pointcount++) { if (jsonObj[pointcount].Long != null ...
0
votes
0answers
165 views

Problem with callback function of google distance matrix api

I am getting problem with google distance matrix api. I want to use google distance matrix api to calculate distance between various origin and destination places. The google is only allowing 25 place ...