Google Maps is a web mapping service application and technology provided by Google free (for non-commercial use),

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3
votes
1answer
534 views

What is the best API to use GeoTools or uDig (for the context of my application)?

I am trying to develop a java application that displays : Google maps, Openstreetmap and Bing Map Data. So which is the best SDK to use in this contet Geotools or uDig ?
2
votes
1answer
2k views

How can I use tiles in an ArcGIS .tpk file with Google Maps?

ArcGIS can export a map as server tiles as a compressed folder with the extension .tpk, as described in the ArcGIS documentation. However, it is not clear how I can get Google maps to read these ...
1
vote
1answer
93 views

Node rating like in Google Places?

Is there any tool or node/way tag in openstreetmap to obtain a POI rate as with the Google Places service ?(here nodes/places have a label/tag with the rating. e.g. <rating>3.2</rating>) ...
4
votes
1answer
653 views

Shapefile vs Arrays of coordinates to build Google Maps overlay?

I am very new to GIS, and my task is to overlay about 100 polygons on a map. I'm using Google Maps Javascript API v3. I think I can define all my polygons as sets of lat/long coordinates in my ...
25
votes
2answers
17k views

What is the difference between EPSG:900913 and EPSG:3857?

I'm using the QGIS google layers plugin to digitize a parcel as a shapefile. Later I want to import it to PostGIS. I know that google maps use a special 'google mercator' projection. What is the ...
1
vote
0answers
14 views

strange misplaced markers on the map [duplicate]

Possible Duplicate: place markers on the outline of a circle in google maps I used word Strange because I'm not expert in this area, and it really looks weird to me. I've already asked a ...
3
votes
1answer
713 views

How to place markers on the outline of a circle in google maps?

I have the center of a circle and it's radius and I need to place variable amount of markers on the outline/stroke of the circle. The distance between this markers should kept same, so if I have 8 ...
3
votes
0answers
449 views

calculate total Miles in a polygon using Google Map

I have an application that allows the users to create any custom polygon layer on top of google maps, i am interested to know if their is a way to select the road layer in this polygon and then ...
1
vote
0answers
38 views

How do I configure GeoWebCache to read a TMS (GoogleMaps or OSM) [duplicate]

Possible Duplicate: geoserver support to proxy other tiling services? Probably a newbe question, with a simple answer, but I can't find enough detail in the GWC documentation. I would like to ...
0
votes
1answer
2k views

How to adjust the difference between the coordinate from OpenStreetMap and Google Maps

I have downloaded the OSM from OpenStreeMap that came with all nodes from the map and their respective coordinates. Now I have to plot a node (latitude and longitude) on Google Maps, but all ...
4
votes
1answer
3k views

Overlaying WMS from Mapserver in OpenLayers with epsg:900913 from Google/Bing/OpenStreetMap

ADDED: Another curious effect is that no matter to what scale I zoom on the baselayer google/bing map, the WMS overlay is always the same-sized shot of MN. That is, as the baselayer map is scaled up ...
5
votes
1answer
1k views

Google maps satellite view Pricing and limitations

This script at openstreetmap shows how one can use google's Satellite view as a layer on top of others. I noticed that to do so, one does not need to supply any API key. Does that mean that there are ...
5
votes
2answers
359 views

KMZ vector file over Google Maps

I have a KMZ vector file which works fine on my Google Earth application, but i want to overlay this on my phone (android) through Google maps. Is that possible??? thank you very much Mike
1
vote
2answers
1k views

Finding nearest Stop location (DB) from current location

I could not think of a Title which exactly describes my problem, but I will try to explain. I have a bus route as DB table where Lat/Long of each Bus stop is stored. Now, I get live GPS cordinates ...
1
vote
2answers
382 views

How do I use a layer of Bing / Google a “WebApplication” in “ArcGIS Server Manager”?

I'm using "ArcGIS Server." I want to publish a "WebApplication". I created a map of my city. I want to have as the background world map with satellite images of "BingMaps" or "GoogleMaps" or "ArcGIS ...
1
vote
1answer
151 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: // http://openlayers....
3
votes
0answers
665 views

how to show information window for the marker cluster

This is my markercluster code : i need information window for the markercluster icon as well as marker icon, i have another cluster.js file, can some one please tell me how can i show the information ...
4
votes
2answers
405 views

Maps API that look “fancy”

We have been using Google Maps V3 during the development of a web service. We've been struggling with getting the maps integrate good with the design, since the maps look kind of grey. Now when i look ...
1
vote
1answer
389 views

Where does Google get updated data about postal codes?

I have been searching for the most recent list of Postal Codes in US but I most of them are two or three years old. I did cross check them with the Google Maps, though most of them them were correct ...
3
votes
2answers
2k views

Can I use Google Maps API and substitute Openstreet map as base layer?

This Question is based on below requirements. 1 - our application will need to use functionalities of Google Maps API like custom marker/Info pop up/Routing etc. 2 - our application wants to use ...
1
vote
0answers
37 views

How to implement routing with Google Maps in Wordpress? [duplicate]

I need to put only one point with custom marker on the google map. When user enter his address, there must show up a route to that point from his address. What is the simplest way to get that function?...
7
votes
4answers
6k views

Best solution for printing Google Maps?

What is the best solution so far for printing Google Maps as a base layer of Vector layers in Geoserver/OpenLayers application ? I used to print WMS layers using GeoExt print page example, but when ...
3
votes
2answers
595 views

Can OpenLayers request different language tiles from map providers (eg Bing or Google)?

If I am in the US and my browser locale is en-US, I'll get English language maps by default from Bing. Same thing if I access Bing tiles with OpenLayers. If I change my country/region to (for ...
0
votes
1answer
3k views

How to export data from QGIS to display in Google Maps?

I'm exporting layers of a project for a quantum gis postgis table and visualizing the data in gmaps, but the coordinates are very wrong. is there any special way to export the quantum gis? postgres ...
3
votes
3answers
3k views

how to extract lat long from WKT data?

i want to extract lat long form WKT data and stores into arary list i have tried one solution which is proposed by a user but it has some problems String str = tv.getText().toString(); str = ...
5
votes
3answers
864 views

Search by street name/postcode in OpenLayers

Can anyone help me search by street name in OpenLayers? I essentially want to be able to search fir streets/postcodes in openlayers in the same way I can search on google maps. Is this possible. ...
0
votes
2answers
776 views

How can I synchronize Google Maps, Wikipedia, Mapmyindia, and Bing Maps data on one webpage?

I want to combine maps from Google maps, Wikimapia, Mapmyindia and Bing maps on one web page with synchronization like in Dual Maps. For example, if I pan on Google maps it should show the same ...
2
votes
1answer
554 views

Software for building non-overlapping sets of polygons?

We have multiple populations of patients spread out over geographic distances. For each population, we want users to easily define non-overlapping polygons. The outer borders are likely to be U.S ...
1
vote
0answers
193 views

How to retrieve transport infrastructure data from google map?

I imported into postgis osm data using osm2pgsql. My objective was to get a database with roads elements for a specific region of Italy (i.e. traffic lights, driving directions and turning direction ...
9
votes
2answers
62k 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> &...
8
votes
3answers
2k views

Seeking GPS device for vehicle tracking?

I am a programmer with no connection to Geographic information, except that I work on application which uses Google Maps. I need some device, which I will be able to set in a vehicle in order to keep ...
2
votes
2answers
1k views

How to calculate difference between bounds in Google Maps?

Is it possible, after "bounds_changed" event, to get polygon coordinates covering the difference between new bounds and previous bounds? Any idea how to do it? Any help would be greatly appreciated.
4
votes
1answer
169 views

How do you define rail network branch geocodes

As per the attached document I'm trying to define a rail network by providing geocodes for each rail stop, how would I define a 'stop' as a junction for a branch in the network without having to ...
4
votes
2answers
3k views

Google Maps/ OpenLayers only rendering top left tiles

I'm seeing a weird issue with Google Maps and OpenLayers. When loading a page as shown below, only the two top-left tiles render, leaving the rest of the map blank. I looked in the Network tab in ...
1
vote
1answer
2k views

Openlayers zoom limit with Google Maps

When using Openlayers I am unable to achieve the same zoom level that Google Maps allows. For example, if I embed a Google Map in my web-page I can zoom in to the building level in a city. When using ...
2
votes
1answer
1k views

Problem with layer order in OpenLayers and Google styled maps

I'm using OpenLayers with Google styled maps. My biggest problem is KML polygon layer which needs to be under roads layer but it isn't (see prtscr). What am I doing wrong? This is my coding: <...
1
vote
1answer
3k views

Google maps POI download

Is there any legal way to search and download google maps POI information, based on user location and search radius (50 km) + search criteria (eg restaurant) ? Output would ideally be KML or CSV.
0
votes
0answers
4k views

I am trying to put autocomplete of Google API V3 for places, but giving some error

I am trying to put textbox within the infowindow which is working fine in order to get direction and route. And now i want to make textbox autocomplete for google api places. I have ref this link "...
1
vote
2answers
461 views

Can I use Google maps tiles in OSM for Iran?

I use Google maps in my application but because this service has limitation (2500 request per day for Geocoding) I want to use OSM instead of Google maps. But OSM doesn't cover Iran as well as Google ...
7
votes
0answers
1k views

Calculating compass bearing between two GPS coordinates… with a twist [closed]

I'm building a virtual tour application that uses Google's streetview code to render the panoramas into a non-distorted view. Each panorama has 1 to n links where the user can select to move on. I ...
2
votes
2answers
1k 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
1answer
3k 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
0answers
687 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 ...
7
votes
5answers
32k views

Creating drive time polygon around map point? [closed]

I'd like to create a 30 min drive time polygon around 400 separate points I have plotted to google maps. I have discovered http://www.freemaptools.com/how-far-can-i-travel.htm but this seems to freak ...
1
vote
1answer
3k views

Google Maps Ground Overlay: How to calculate bounds?

I'm working with the Google Maps API for the first time and I'm trying to append a simple image of a Building on top of my current map view. This seems to be very straight forward when I look at the ...
3
votes
0answers
501 views

How to contour irregular point data for overlay on Google maps?

I am having some serious trouble finding a solution to fit my current needs. I am attempting to create contour maps from irregularly spaced point-data on the fly to overlay on a Google map. I have ...
0
votes
0answers
718 views

How draw a route in Google Maps as i goes on clicking on Google map

I wanted to get route in google map as i click on ROADMAP of google. I mean by click, I can click one place then other and so on, but route to each click must be generated from previous click. Route ...
7
votes
1answer
23k views

Drawing polyline that grows as the car moves by taking data from MySql and PHP in Google API

I wanted to show the polyline on google Map as car moves with animation (like in this site: http://econym.org.uk/gmap/example_cartrip2.htm) by taking data from MySQL and PHP. For that i refered the ...
2
votes
2answers
1k views

Map resize displays google layer at incorrect zoom level

This is a screenshot of the icons in the wrong position due to the google layer showing the wrong zoom level. This is how it should look, and how it does look after the user pans the map. How does ...
0
votes
1answer
950 views

Reference materials for learning Google API V3 with PHP and MySQL (tracking)

I am new to this Google API. Now i wanted to learn Google API with PHP and MySQL. Actually i wanted to create an application that will track x,y coordinates coordinates on real time bases for ...