Google is a public American corporation invested in search technologies, which provides a number of free and paid geospatial and mapping services.

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24
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7answers
2k views

OpenStreetMap or Google Map Maker: where should I donate and volunteer my geographical knowledge?

I definitely know a lot about the places I visit and want to share it with everyone. I want to know if donating and volunteering at OpenStreetMap—which is where I have been helping—is a waste of time: ...
11
votes
3answers
7k views

Google Maps layer copyright popup every time map updated / user input

I have used a Google Maps hybrid layer in Openlayers in my HTML5 iOS app for months now and it worked perfectly. Just recently they changed something because the 'Map data...' line at the bottom looks ...
10
votes
3answers
976 views

In what coordinate systems do true circles appear round?

Please excuse what is probably an obvious question from a relative newB to GIS -- this seems like it should be a snap. I've been developing in Gmaps for awhile and am switching to OpenLayers but am ...
10
votes
4answers
642 views

Does Google Maps API provide statistical tools or even raster to vector conversion?

I am working with a web developer who is working with Google maps API, trying to determine what pre-processing steps I should perform (e.g. in R and GRASS), and what can be done within the google maps ...
8
votes
2answers
6k views

How to return individual address components (city, state, etc.) from GeoPy geocoder?

I'm using GeoPy to geocode addresses to lat,lng. I would also like to extract the itemized address components (street, city, state, zip) for each address. GeoPy returns a string with the address -- ...
8
votes
1answer
1k views

Is the use of Google Earth imagery via the OpenLayers Plugin in QGIS legal?

I understand the terms and conditions WRT use of Google Earth imagery in external applications are strict. Years ago ArcBruTile offered such service in ArcGIS the legallity of which was ...
8
votes
1answer
539 views

What GIS applications use Google Glass?

From techcrunch. I see a lot of press coverage about Google Glass, yet I haven't seen details of GIS apps that use it. What GIS applications use Google Glass?
7
votes
7answers
11k views

Can you make a travel region polygon with with Google Maps API?

I am working on a local design project and need to determine if someone is local to my area to allow them to participate. Local, as defined by the group, means that the person is within 2 hr driving ...
7
votes
2answers
60k 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> &...
7
votes
6answers
74k views

How to change default zoom in the Google embedded map?

I am having difficulties to change the default zoom level when I open the iframe below in my site. Can anyone please help me to set zoom level when following iframe is opened? <iframe src="http://...
6
votes
4answers
5k views

Why is there a small white space between tiles in Chrome?

I'm using openlayers to display a google base-map layer and it works fine on Firefox/IE/Safari. I'm having problems with Chrome as the tiles have a small white space between them shown in this image. ...
6
votes
5answers
25k views

How can I view a KMZ on an iPad?

Greetings everyone! So work is finally catching up to the present and buying my group iPads. My group does extensive field work and currently uses giant laptops to run our GIS software, Google Earth ...
6
votes
4answers
10k views

Alternatives to Google Maps on Android Phone

Android phone has Google maps as its stock/default Maps, POI and Navigation app. What are other options that i have which can be used instead of Google Maps? One Obvious answer is OSMAnd. OSMAnd has ...
6
votes
1answer
1k views

Permission rights with google maps

I created an image in QGIS using the Google Maps layer and I would now like to publish this as part of an academic journal article. However, the journal editor has asked if I have permission to use ...
6
votes
1answer
338 views

Trigger geocoding without having to visit page

I'm using Google's geocoder to store results in database then display them on a map on another page. The problem is that each company profile page needs to be visited before it's geocoded. Is there a ...
5
votes
5answers
365 views

What is the best way to protect data online?

What techniques do people use when protecting data (e.g., preventing a user downloading the whole dataset) they are overlaying on top of Google/Yahoo/Bing etc.?
5
votes
1answer
379 views

How often does Google change the geo-coordinates for a given address?

I geocoded the address "50 Hurt Plaza Southeast, Atlanta, GA 30303" twice. Once on July 28th, 2014 when I got the coordinates: (33.754208, -84.387272) And again today, August 18th, 2014, and got ...
5
votes
1answer
288 views

Transit webapp development (journey planner)

I am going to develop a journey planner (like Google transit), i was just wondering that if there any opensource API available that can help me, or i have to do every thing on my own. And where can i ...
5
votes
1answer
2k views

Google fusion tables: Fill in lon/lat columns via geocoded address

I have a list of 100 companies that I want to geocode. I have all of their addresses but none of their lon/lat coordinates. I have three columns related to location: Address Longitude Latitude Is ...
5
votes
1answer
1k views

How do you create a legend for the bucket divisions in a fusion table map?

I am creating a map using Google fusion tables. I have divided the data into "buckets" using the Configure Map Styles window. Is there a way to add a legend to the map telling the readers what the ...
4
votes
4answers
4k views

Live KML from PostGIS to Google Earth

I was wondering if anyone knew a way to bring data from a postGIS database into Google earth to view live. I know of the asKml function in PostGIS, but I'm interested to know if anyone had managed ...
4
votes
3answers
303 views

Differentiating a building from a road on a map?

This question was originally asked here by Steven and I felt the question was better asked here. Steven would also like to know the sources Google buys it maps from. I remember seeing a post about it ...
4
votes
3answers
458 views

Any idea what software abc.net.au is using on the scrolling before/after earthquake aerials?

Japan Earthquake: before and after the copyright says: © Google, Digital Globe, GeoEye Guessing it's something of Google's since Digital Globe and GeoEye are probably only the aerial image's ...
4
votes
2answers
15k 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
461 views

How can I Enable Google Earth 3D features in QGIS?

I want to ask if there is any plugin or any other way where I can use Google Earth features in QGIS. When I'm saying Google Earth features I mean to be able to see roads, towns, etc and to be able to ...
4
votes
2answers
201 views

How to solve loading performance issues when handling multiple KMLs?

I am using over 10 KML in Google Maps. When I increase the number of KMLs they load too late. I use checkboxes to hide/show KML layers. With up to 5 KML layers, it worked fine. When I increase the ...
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
4answers
10k 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
2answers
424 views

google earth profile used in mashup or flex

I really like the way google earth profile works, 1. mouse over line, right click, select profile 2. slide the mouse over the created 3d profile an dsee where that is on the map. Has anyone an idea ...
4
votes
1answer
94 views

I'm generating a Google Street View URL that works in Chrome but not Internet Explorer. What's wrong?

I've made a small add-in in ArcGIS that allows a user to open their current GIS view in Google Maps and also to select a location to open in Street View. The map view works in both IE11 and Chrome. ...
4
votes
1answer
440 views

How can I accurately measure area of polygons using field calculator in qgis?

I have several polygon shapefiles, both set to WGS84 CRS. I have been using the google basemap with the Openlayers plugin, using the mercator CRS. On the fly CRS transformation is enabled. Should ...
4
votes
1answer
553 views

OpenLayers Google v3 and other layers drift apart

I'm stuck. My code works with OSM, but I need it to work with Google as well. The problem is simply that Google v3 and my other layers are not playing well together at all. They don't zoom together. ...
4
votes
2answers
824 views

Can I use google app engine to work as a WMS or some sort of geoserver that I can use to connect openlayers?

Has anybody ever heard or tried doing anything like this?
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 = ...
3
votes
3answers
657 views

Difference between Trip and Route in Google Transit

I am developing a transit webapp using Google Transit, while referring to documentation, i see two different datasets (trips.txt and routes.txt) but i can't clarify the difference between them.
3
votes
2answers
416 views

Are there any good libraries for visually creating simple Google Maps?

I'm working on a simple webapp that lets the journalists I work with easily construct styled Google maps. In short, I need an interface that lets users place markers, set zoomlevel and choose a ...
3
votes
1answer
583 views

What are the requirements for using Google's GEvent?

For a current project, we need to know when a Google map is done loading all of its tiles. I found the following question, which was for the same basic problem: register event "loadend" on ...
3
votes
1answer
396 views

Is google maps static api free?

I'd like to write an app which uses google maps (via javascript library like gmaps.js). I'll GET the GPS positions from my server and I'll use google maps+js library to draw them on map. I don't ...
3
votes
2answers
125 views

Google layers not matching

I'm working in a project with whole Europe data. I'm working with WGS84 (4326), and sometimes I overlay my polygons with Google maps layer (in QGIS) to see some details. When I do this, I have to ...
3
votes
1answer
2k views

show position on google map/earth, from gps data, using google API

For those that have used google's API for mapping (google maps/earth), I would like to know if is it possible to develop an application to receive NMEA data from a gps receiver, extract position, and ...
3
votes
2answers
423 views

google geocoding service combined with openlayers - not working

I'm trying to combine google's geocoding service with openlayers. So when a user types an address and hits enter, map zooms there and renders a simple point. I edited my code according to the previous ...
3
votes
0answers
38 views

Why does google scale seem way off? [closed]

I have read similar threads on here regarding the technicality and am in way over my head. I am not a professional cartographer - I am a professional coach driver that uses google maps to plan routes. ...
3
votes
1answer
1k views

Google Maps OpenLayer plugin not zooming in or panning

So recently I've noticed that the OpenLayer plugin for Google Maps (Google satellite, physical etc) is not allowing me to zoom into the specific area I require. Everytime I try and zoom it pans back ...
3
votes
1answer
368 views

Google earth balloon not fully visible

When i load my KML on google earth, the balloon appears whole but when I embed on a webpage using the embedKML tool, the data in the balloon (In this case a table) appears to be cut. The close button ...
3
votes
0answers
77 views

Can a google calendar go on a map?

Can a google calendar go on a google map? Is there a GeoRSS that can be consumed? Thanks! -mb
2
votes
2answers
1k views

Spherical Mercator projection invented by Google and not conformal?

I had some certitudes on the Google Spherical Mercator also known under EPSG code 900913 and 3857 before looking at this presentation, I was sure that this projection was in the Mercator family (so ...
2
votes
3answers
2k views

Ways to extract DEM for urban areas using Google Maps?

Is Google maps' elevation API suitable to obtain the high resolution elevation data for areas that have 3D building such as Manhattan? Would the API for example yield a significant different value on ...
2
votes
1answer
130 views

License issues of Google Elevation API usage

I would like to use Google Elevation API in a non-profit scientific research (river floodplain relief study). I have looked through the documentation, but my poor English leaves me no chances to ...
2
votes
4answers
556 views

How can I publish a Google Sheet to the web as a GeoJSON file?

I am trying to create a map in Mapbox to be embedded on a website and have the embedded map automatically update every time the source data is updated. I have my source data in a Google sheet and have ...
2
votes
2answers
10k views

Download Google Map tiles, images [closed]

I would like to use the google maps downloader to save satellite images from google maps (http://www.allallsoft.com/gmd/index.html), but is it legal to use? In the terms of service you can read that: ...