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

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4
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3answers
235 views

Using a web map to identify and access data

I am trying to making a webpage where the user pans and zooms on a map, and based on the location and zoom level, some data is displayed on the webpage (drawn from another source). The data that will ...
4
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3answers
8k views

Export Google Maps Route to KML/GPX

Since Google pulled the plug on Google Maps Classic, I'm reluctantly moving to its Google Maps New application. However, I didn't find how to export a route to a GPX or KML file so it can be copied ...
4
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2answers
431 views

Loss of synchronization between map and markers (Leaflet + Google Maps)

I have a problem using the markers with Google Maps with Leaflet. In this example you can see the difference between Google Maps or OSM. Using OSM, the marker moves with the map but when using Google ...
4
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3answers
10k views

Solving the Point in Polygon Problem Using Google Maps and Fusion Tables

The Point-In-Polygon problem is fairly well documented on this forum. My question is if there is a way to use Google's free tools, i.e. Google Maps, Fusion Tables, and possibly Google Refine, to solve ...
4
votes
1answer
728 views

Open street map accuracy problem

I want to locate shops with open street map. For that I send a query to nominatim, a webservice which geocodes coordinates from addresses. I draw a marker at the returned coordinates, and it´s ...
4
votes
1answer
12k views

How to highlight the area in google map on mouse hover

I want to implement a feature in my app (gmap powered) to highlight the area on mouse over. Much like the functionality in wikimapia. Check out the pic or url But i could't find any info on how ...
4
votes
3answers
1k views

Google earth Borders on Google maps

Google earth comes with a variety of borders, for example: International Borders 1st Level Admin Borders 2nd Level Admin Regions I was wondering if it is possible to render these borders on Google ...
4
votes
2answers
1k views

Stylized map workflow: Illustrator to Google Maps / OpenLayers

The aim My current aim is to create a series of (heavily) stylized diagrams and maps. I'm not very familiar with any GIS software, so my weapon of choice would be to use illustrator for creating the ...
4
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2answers
12k views

Select more than one place at a time in Google Earth?

I've got a Google Earth .kmz file opened in my copy of Google Earth 6.0.1.2032 running on Mac OS X 10.6.7. There are about 5000 points/"places" in the file and they show up fine. What I would like to ...
4
votes
1answer
712 views

Slight translation with coordinate-transformation from Gauss-Kruger to WGS 84. Possible Reasons?

I have a number of points in Gauss-Kruger, Zone 3 that I want to convert to display them within Google-Earth. Assuming WGS84 for Google-Earth the transformed coordinated differ from the original ones ...
4
votes
2answers
5k views

Create Fantasy Map

I'm currently looking to create a Fantasy map and share it with my friends. We have the map designed already in flash to certain degrees of detail and able to export as a vector. We'd like it to be ...
4
votes
1answer
941 views

How to find the nearest polygon from a given point?

Basically I have set of points [lat-long pairs] which defines different polygons on map. Now I have a coordinate [lat-long] from which I want to find the nearest polygon from that point. Any help ...
4
votes
1answer
586 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 ...
4
votes
3answers
1k views

Is there any way to add a google maps layer in a qgis web client project?

Is there any way to add a google maps layer in a qgis web client project? I made a qgis project using a google maps layer from OpenLayers Plugin. In my desktop project, this layer works fine. But ...
4
votes
2answers
1k views

Determine tile identity of tile set displayed on Google Maps/OpenStreetMap

I'm not sure if this is best way of approaching this, so I will explain where I'm coming from first. I want to load data onto my webpage containing a map based off a lat/long point. The only way I ...
4
votes
3answers
8k 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
146 views

Detecting trends in local business web services

Do you know any research paper about spatial data mining algorithms to retrieve trends about local business services (such as google places.. etc) let's say most rated restaurants this week.. etc ? ...
4
votes
2answers
7k 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 ...
4
votes
1answer
827 views

Google maps wms layer with 3857

I am adding wms layers to my google maps application. As Google Maps projection is a web mercator, I thought it would be better to request wms layers with srs=3857 (or equivalent) instead of the 4326. ...
4
votes
2answers
2k views

Can you use Google Maps offline, with OpenLayers?

I use OpenLayers, GeoServer and PostGIS in my application. Is it possible to have Google maps offline? No need to connect to internet to get it. I'm working to make my app working offline only for ...
4
votes
2answers
1k views

Openlayers - Vector layer polygon doesn't move in-synch with Google V3 baselayers

When a polygon is drawn on the map and the map is dragged, the position of the polygon relative to the GM V3 base changes. function init() { var map = new OpenLayers.Map('map'); var gsat = ...
4
votes
1answer
325 views

geodjango slowness and debugging

I'm using geodjango + postgres to display polygons from tigerline on a map. Pretty simple stuff so far. My issue is that when I use the GPolygon object: django.contrib.gis.maps.google.GPolygon there ...
4
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1answer
313 views

Google Earth/Maps aerials via arc2earth producing cuts in PDF output

I just purchased a month of arc2earth. They provide Google imagery backgrounds with great resolution and display fine in ArcMap but after exporting to PDF they have these triangular cuts as seen here: ...
4
votes
1answer
882 views

Google Maps: obtaining the border of an area

When using the geocode API it is easy to obtain the (centre of the) coordinates of the address. For example: Rotterdam. If you look up the same location in Google Maps you also get the surface area of ...
4
votes
2answers
1k views

From pdf to google maps overlay

First post, so be gentle. Context - I'm doing some research into healthcare provision and I'd like to visualise the data. I'd like to be able to put these PCT boundaries as an overlay to google ...
4
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4answers
9k 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 ...
4
votes
3answers
5k views

OpenLayers: Showing a WFS overlay on top of Google Maps

I have found similar questions asked previously, but I still fail to get a simple WFS point layer to work using OpenLayers and Google Maps. The original code I used was based on WFS polygon layers I ...
4
votes
4answers
2k views

Why does this Mapserver layer not overlay correctly onto Google Maps?

I'm using mapserver to serve an overlay of weather data onto a google map (V2) and the weather data is not displaying where it should. The image below shows the problem i am having. The black lines ...
4
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3answers
1k views

Google Maps with Tiled Image

I'm trying to get a weather image to display on Google Maps, however in my comparisons to others it seems as if my image is slightly to small (Vertically).. I'm wondering what I might have done wrong ...
4
votes
1answer
56 views

Outline to Multigeometry on Google Maps

Is it possible to style the outline of the total multigeometry area in KML? LineStyle seems to outline all the invidual polygons inside MultiGeometry, but I would like to draw only outline of the ...
4
votes
2answers
963 views

How to add link in ArcGIS Online web map popup to google or bing driving directions?

I have an ArcGIS webmap with school boundaries. I would like to provide a link in the pop up that takes a public user to a free routing website like Bing or Google with the directions to their ...
4
votes
1answer
182 views

Google maps indoors submission

Does anyone here have experience with submitting Google indoor maps? I submitted one two weeks ago where the submission page stated "submitted for processing". (I submitted the indoor map on behalf of ...
4
votes
1answer
393 views

Pick random points in an earth circle

All I need is the ability to create random points within a radius of another point. so given self.fence.latitude and self.fence.longitude and self.fence.radius I should be able to generate random ...
4
votes
1answer
173 views

Why does the added raster layer have strange edges?

I'm using Geoserver in conjunction with the google maps API to add a raster layer onto a map. It loads fine, however there's some strange problem with opacity at the edge of the layer where you can ...
4
votes
1answer
4k views

Arrowhead in polyline google map v3

I would like to create a map, that shows a vehicle traveled path. The map should shows arrowhead for each turning. I need to show the map like this. I can create the map by following code var ...
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 ...
4
votes
1answer
6k views

Transforming EPSG:3857 to EPSG:4326

I am new to gdal and have a simple question. I want to transform an image from OpenStreetMap projection to Nasa Blue Marble projection. What I understand is that OpenStreetMap projection is EPSG:3857 ...
4
votes
1answer
344 views

How to get a GML overlay on Google Maps?

Anyone know how to get a GML file to show as an overlay on Google Maps? To be honest I don't know my GML from my KML, or my ETRS89 from my WGS84, as this topic is completely new to me. A bit of ...
4
votes
2answers
3k views

What formula is used for distance between 2 points in Google Maps?

What formula is used by Google Maps for calculating the shortest distance between 2 points (having their Lat, Lng coordinates)? Is it purely based on Haversine? Or is it something different? Is there ...
4
votes
1answer
6k views

How to highlight multiple cities/towns in Google Maps?

I'm trying to create a service area map in Google Maps. When one searches for a city or town, Google outlines the town in a light red. If possible, I'd like to have multiple towns selected in this ...
4
votes
1answer
508 views

GPS tracking and Web mapping?

We are developing a tracking software and we are the stage where we test the reliability of our location stigma on the following web-maps Google Map Nokia HERE Open Street Map (OSM) We observe ...
4
votes
2answers
1k views

Rendering geoJson polygons in google maps android apiv2

I'm in the process of publishing spatial data stored in a postgis database to a google maps based android app and am trying to put together a plan for rendering my data in the most efficient manner ...
4
votes
1answer
659 views

Changing projection in KML from Google Earth to Maps

I have created a bunch of map tiles for Google Maps mistakenly using the Google Earth projection. Is there a tool available to batch warp the KML files to the correct projection or will I need to ...
4
votes
1answer
913 views

Google maps and Ordnance Survey derived data licence restrictions

Current Status: You can't use data derived from restricted licence OS data with Google Maps. There's been an on-going question about whether it is legal to display data derived from Ordnance Survey ...
4
votes
1answer
415 views

Interactive maps for a survey - Are there any tools yet?

i am working on a draft for an online-based survey. I would like to enable the participants of the survey to draw polygons, lines and points (several) on a basemap (e.g. google maps) and (extra ...
4
votes
1answer
168 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
1answer
274 views

What are some options for embedding Google Maps into a WordPress site?

Background A non-technical user would like me to embed a Google Map into a WordPress-powered site. She needs the ability to add markers using a simple mechanism, and to link those markers to pages ...
4
votes
1answer
432 views

How to decode Google's proprietary latLon format for China?

This Google Maps link returns train stations in Shanghai, China. By appending '&output=js' it returns it in JSON format. I'm trying to decode the format Google uses for lat/lon: latlng:{ ...
4
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0answers
28 views

Geocoding API: house number precision for Europe (Germany/Austria), other than google?

I am looking for an affordable geocoding option with the following criteria: commercial use <500$/month allows to store LatLng results in my DB house Number precision for Austria and Germany ...
3
votes
2answers
2k views

Adding XY Coordinates from GoogleMaps to ArcMap 10

I have a list of lat/long coordinates in .xlsx format. I imported this table into ArcMap, but when I plot the points, they are not showing up in the proper place. Instead of showing up in South ...