An application programming interface specific to Google Maps.

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5
votes
1answer
10k views

Create drive time polygon around a map point

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 ...
8
votes
1answer
1k views

Grouping map points into fixed cluster sizes?

I have a dataset of 655 lat/long pairs which I'd like to split into about 100 groups. A group should have 5-10 pairs which are geographically close to each other. Dense groups should have more ...
-2
votes
1answer
71 views

How to Draw/plot or identify in GoogleMaps with below PointData

How to Draw/plot or identify in GoogleMaps with below PointData? Below are the points generated from spatial cadastre software. PointName Xpos Ypos _1 341.0926 527.9615 _10 669.1454 ...
1
vote
1answer
591 views

GeoReference tiff image into the Google map?

I want to Geo-reference a tiff image contain a Map for a specific region, I need to add this region(image) and Geo-reference it on the Google map, SO I can see on the map for the region I select the ...
7
votes
1answer
3k views

Output polygon data from postGIS and read it on Google Maps API

So, I have a group of polygons stored in PostGIS. I'm trying to build a web application with Google Base maps (using Google Maps API). Now, How do i output the polygons in the right format so that ...
7
votes
5answers
10k views

How to Geocode 300,000 addresses on the fly?

I have a database which has 300,000 address, which are to be shown on map. I know if I geo-code all the address it will be too expensive for me. So I was wondering if it is possible to geo-code the ...
5
votes
1answer
3k views

Corner coordinates of Google static map tile

How to calculate the corner coordinates (bounding box) of a static Google Map image, fetched with e.g. ...
5
votes
1answer
2k views

How to calculate polygon area considering slopes?

I am looking for an accurate algorithm or a service to calculate surface area on earth where points are calculated on the basis of GPS Coordinates. I am using Google Map Api version 3 and are drawing ...
2
votes
2answers
2k views

Downloading Google Maps municipal geometry

When searching for a city on google maps, google is that smart it displays a geometry line on the boundary off the municipal. See this link: http://g.co/maps/23dz5 Is there a place in the google maps ...
2
votes
1answer
513 views

KML with Google Maps : Google violates same origin policy?

Doesn’t Google Violate the same origin policy when it tries to access the KML files from a globally accessible server? The condition for Google maps to display the KML is that it should be globally ...
3
votes
1answer
321 views

How to implement Google Map to WordPress site?

I need to add Google Map with about 400 markers into WordPress site (into one page). Every marker needs to have info window with photo, description and link. It is really high number of markers, so ...
1
vote
4answers
568 views

Rendering temperature on google maps

I have a number of data points in the form of (latitude,longitude,temperature). I am required to render the temperature on a map. The final result should be similar to the the map here I used ...
1
vote
2answers
2k views

Geocoding - get lat/long from 11000 address

What I have: an Excel file with 11 thousand address (street + zip code + city) all address are from Portugal the address are not accurate (some address have the name street in a short way) What I ...
1
vote
1answer
2k views

How to obtain to Max zoom levels for Google layer using Open layers

I was trying to obtain maximum zoom level ( level 22) for Google street map using Openlayers.layer.google script. The following code does not seem to work.It works to the maximum zoom level when Var ...
0
votes
0answers
32 views

Which software for mapping connection intensity between locations

The idea is to map the connection intensity (number of rides) between different locations, and groups of locations, in a bike sharing scheme. I wondered if someone could give me high level advice ...
0
votes
1answer
706 views

Keep marker constant on Google Maps Javascript

I want to be able to keep a marker constantly in the center of Google Maps on my mobile application. I have tried using bindTo functionality of Google Maps, which binds the marker to the center of ...
0
votes
2answers
1k views

GIS Web API - WFS-T Edit

My organization has a asset management application using Google Maps Java API as the GIS viewer. The application does some simple editing/querying on a kml file through html form elements. Instead ...