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

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Order of KML Layers in Google Maps API V3

I'm working on a website that when finished will allow the user to turn on and off a number of different KML layers using checkboxes, the layers are parsed through geoXML3 and I want to know how to ...
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2answers
68 views
+50

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 ...
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1answer
770 views

WMS-C Google Maps v2 Android

I'm have added a map from a WMS-server in Google Maps v2 for Android using the code provided from this site: http://www.azavea.com/blogs/labs/2013/01/wms-on-android/ . The tiles are downloaded and ...
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2answers
4k views

How to display a geotiff-image with OpenLayers at the “right place”?

I'm just starting with OpenLayers. I have a georeferenced geotiff and the associated world file. Now I want to display this image as an Overlay and google-maps as baselayer with OpenLayers. Would be ...
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1answer
156 views

Make Google Analytics city data showed on the Google map

I use the Google fusion table to table to mark city on google map, but there are about 20~25% which quality is ambiguous. How to make the ambiguous data precise? Here is my finished map (scroll down ...
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3answers
43 views

offline google map on android

If I go to abroad as a tourist BEFORE I collect the visiting places on my google maps then export it to kml. In abroad I don't use mobile internet on the street (very expensive) but I would like to ...
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1answer
154 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 ...
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3answers
4k views

Leaflet / Google Map baselayer / markers not visible

New to Leaflet, currently trying to migrate a project from native Google Maps to Leaflet; having been drawn to Leaflet by the layer management and options of using better 'roadmap' style basemaps. ...
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1answer
206 views

How do i integrate Clustering into my Google Map?

How do i integrate clustering for my google map? I have found a few codes but i'm not sure how to combine both so that it won't mess up the whole site. This is my current code: <script ...
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1answer
342 views

How to make coordinates match between Google Maps and matplotlib.basemap

I'm trying to plot some data with matplotlib and basemap, but I have trouble making the coordinates match between Google Maps and basemap. For example, I click at a distinctive feature on the map in ...
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1answer
28 views

How to align ASTER GDEM with Google Maps?

I'm using ASTER GDEM V2 to pick heights at lon-lat coordinates obtained from Google Maps but I found that at some locations - particularly San Francisco: https://goo.gl/maps/w7p1K - the DEM seem to be ...
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27 views

How to create non-overlapping polygons from points or lines in Google Maps?

The picture describes the problem. I'm supposing I need a tree search algorithm that enumarates all the points and connecting lines in a tree structure and then searches for cycles. But this job is ...
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16 views

Fictional flat map in Google Earth/Leaflet with custom CRS [closed]

I see a few other posts on the topic of fictional maps, however none seemed to address my specific case. I'm attempting to recreate a fictional game map to work with Google Maps or a mapping UI ...
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1answer
176 views

Is it possible to draw polygons along Google Maps Polyline?

Web application has option that user draws polyline on Google Map. After he draws it, there is a button 'Add polygons', which should draw polygons along that line, based on some width and height in ...
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0answers
15 views

Trying to change the transparency of a KML file for use with Google Map Maker

I've been stuck with this problem for quite some time. I'm doing a project which includes updating the Google Maps for my area. I know that I have to use Map Maker to do this. However I'm trying to ...
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1answer
905 views

Import TomTom OV2 into Google Maps as My Place Stars

Is there anyway to import my TomTom POVs (saved in an OV2 file) into my google maps account as favorites? i.e. My Places > Starred. I appreciate this may involve converting the OV2 into something ...
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0answers
12 views

Is there a way to overlay a remote kmz file in google maps

I have a kmz file and want to overlay it on google maps. What I'm searching for is sth. like: https://www.google.de/maps?kmz=server/tour.kmz I've already checked the query params for google maps, but ...
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1answer
36 views

Save KMZ or KML from google maps

How to save to KML or KML file using google maps. I can't find menu command like that. I'm working on China region.
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1answer
659 views

Unable to put data into infowindow

I've followed this tutorial to create a custom Google Map. I've included a few other elements such as linking it up to Wordpress and clustering the markers. It's all working great apart from the info ...
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1answer
42 views

DLS Grid for Province Alberta (Canada)

I have DLS grid data that I downloaded from http://www.altalis.com/products/property/ats.html (AltaLIS_ATS_V4.1_Coordinates data). But I don't know how to draw the grid on Google Maps. We have ...
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0answers
17 views

Supposing Google uses GTFS format for Directions service, how does it represent the actual bus route?

So I am actually taking a look right now at Google's GTFS format for public means of transport. But frommy point of view, I can see information included about the position of the bus stops, and soem ...
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1answer
46 views

Google Earth Image Offset?

My lat/long points have an offset (2-3 meters) in both X and Y - about 2m SE in my region (-120.644,35.260) - from where the points used to be (unless my memory is failing.) I'm using Google Earth ...
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1answer
922 views

Plotting Multiple Points on Google Map using VB.net

I am creating a database application using VB.net and MSSQL 2012. I have retrieved a list of customer from the database and want to plot them on google map. At it stands, I can only plot the first ...
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1answer
48 views

Google maps to gpx

I have taravel map created in google maps. Now I need to save way points in GPX format to make them available for my GPS Osmand application. How to solve this problem?
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1answer
4k 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 ...
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1answer
45 views

Postgis ST_Distance query returning inaccurate results

I am using the following query to retrieve records from a postgresql DB @services = Service.select("*, ST_Distance(services.lon_lat, ST_GeomFromText('POINT (lat lon)', 4326)) as ...
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27 views

Get next point horizontally and vertically

I am working on a map application. We have to draw polygons for different sections. Each section is either a square or a rectangle. Data that I have has less than 4 coordinate points, insufficient to ...
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1answer
277 views

How to Represent large data using google map api in javascript

1) I am trying to represent data using bins as the data was too large to display each and every point simultaneously. but the problem with this also existing if the no of bins are getting larger ...
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2answers
1k views

Why does one part of GML -> KML conversion not work on Google Maps?

Brand new to all of this, not even sure this is the right forum to ask in... I have a client who wants to visualise cancer incidence and mortality rates by local/unitary authority across Great ...
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45 views

How/Where to get reverse geocodes up to 5 decimal points precision for offline use?

I would like to have a simple text file(s) with following reverse geo-codes information for all the countries (i.e. world): Coordinates -- Address e.g. 12.96779, 77.65306 -- #7, Jeevan Bima ...
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0answers
14 views

Street maps with php and mysql

I am trying to create a website that can show how much the houses in the area are worth. I am able to get gis data, but not exactly sure what to do with it or what exactly is needed. I am extremely ...
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0answers
35 views

Accessing Time-Enabled Layer/adding time slider to webmap using google maps as basemap

I have the wireframe that I need for my webmap along with the arcgis map service layers (with time enabled data). I want to have two map divs with two time sliders that use the same service layer in ...
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12 views

Embed Google Fusion Table Map without setting it as public

I would like to make use of Google Fusion Tables and Maps to visualize sales data. The map will eventually be embedded into a webpage so that senior management can access it for decision making ...
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2answers
29 views

SRID is messed up when google-maps layer is added

I've some problems with using a PostGIS layer within QGIS. First of all, I had this same problem on both QGIS 2.4.0 and 2.6.1 I cannot display the Google Maps layer AND my PostGIS layer together. ...
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0answers
65 views

How to draw small circles within a big circle(greater radius) on the basis of marker size on google maps?

I have more than 1000 markers at different location in my Map. I read Lat and Long from a xml file and render it in Google maps and create circle over them on the basis of city name within given ...
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0answers
11 views

How can we draw small inner circles within a large circle on google map? [duplicate]

I have several markers at different location in my Map. we are Creating circles over them on the basis of city name within given radius. And count the number of markers in those circles. now we want ...
7
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2answers
7k views

Using Google Maps as layer in ArcMap?

Can I use Google Maps as a layer in ArcMap? Is it possible?
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1answer
31 views

Hierarchy for Google maps and OpenStreetMaps [closed]

i am wondering about the hierarchy that have been used inside the Google maps and open street maps.. what kind of hierarchy was impeded inside of them ??? if a curious man like me would like to ...
0
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1answer
142 views

40k+ points from Shapefile, clustering them and populating on Google Maps/Webapp

I just started a new Python/Django webapp job related to GIS (and i'm totally new to GIS). Here is my task and what i have found so far, and i am stuck as to finding out what's the best way or the ...
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2answers
141 views

Finding the latitude/longitude that is in the middle of 2 others?

Ok, so I will have a system/application that will always at the most have 2 points (latitude/longitude) on a map per street. So if the user wants to add another point on that street I want my app to ...
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0answers
21 views

Is geoxml3 slow when parsing large kml files?

I have 10 kml files of 10 global regions (Western Europe, North America etc etc), which I add simultaneously as overlays (Kml Layers) using the Google Maps API. This works. I'd quite like to make ...
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0answers
15 views

Is there a way to create a custom, navigable GPS route?

Is there some sort of way to create a custom GPS route that can say, be plugged into a maps app like Google or Apple maps? For instance let's say I created a route that is a drive along Pacific ...
0
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1answer
390 views

Transit Option not working in Google Maps

I have a requirement to create an application which would show public transport routes between a source and a destination which i acheived it successfully. But i found that the transit routes does not ...
3
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1answer
2k views

Understanding the difference between coordinates projection in OSM and Google Maps

I'm looking at the coordinate differences between Google Maps and OSM. I'm a noob in the technicality behind GIS. Having read: EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet How to ...
2
votes
1answer
170 views

Does merging segments in Google Map Maker ever work?

When editing line segments in Google Map Maker, the number of crossings one needs to touch for a change is pretty relevant. From my experience, every move of a crossing needs to be reviewed, so the ...
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2answers
87 views

Plot Canadian (Alberta Province) township, range, and section data on Google Maps

We are working on a project where we need to plot some part of Canada (Alberta) over Google Maps. We can plot maps on Google with coordinates (lat/long) or geometry values. But our client provided us ...
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2answers
266 views

render geotiff tiles as a map layer

i have the following problem: i have downloaded tiff files with gMapMaker and transformed them to GeoTiff using the associated .map files in QGIS. now i want to render these GeoTiff files to use them ...
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1answer
222 views

How to calculate degrees per pixel in a given image? Or .nth of degree?

I am trying to make very rough estimates of Lat/Long coordinates in some random parking lot images. If I visit any such random parking lot on a Google map, I can click some driving area and Google ...
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2answers
2k views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
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0answers
3k views

Displaying a dynamic KML file on Google Maps as it is on Google Earth

how can i display my kml files through network link on Google Maps instead of showing it on Google Earth. I have tried the step mentioned on this link ...