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

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8
votes
2answers
939 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 ...
3
votes
2answers
108 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 ...
1
vote
1answer
572 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 ...
1
vote
1answer
107 views

Why do classic google maps and the modern google maps show different types of driving times?

As I am currently working on a project, where driving times are quit important, I've noticed that classic google maps and modern google maps show different types of car driving times. While the ...
3
votes
1answer
2k 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 ...
3
votes
3answers
230 views

Is it possible to check incoming GeoJSON to see if any of the features are identical to existing ones before adding to map?

I am working on a Rails/PostGIS app and doing a typical ajax call to retrieve GeoJSON within the map viewport bounds. Whenever the map is shifted or zoomed all of the markers are removed and then ...
0
votes
1answer
47 views

Bounding the Google Maps Search area to my Fusion Layer area?

I have a searchable Google Fusion Layer of Glasgow Postcodes that highlights the searched areas on a map. The search works fine if I enter a full postcode (for e.g. G1 1BL) that matches the data in ...
1
vote
0answers
11 views

Is there any way of knowing what Travel Modes are available for directions between two places in Google Maps v3?

Is there any way of knowing what Travel Modes are available for directions between two places in Google Maps v3? Of course, requesting directions for each travel mode and checking which ones return ...
29
votes
2answers
15k views

EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet

The discussion at What is the difference between WGS84 and EPSG4326? shows that 4326 is just the EPSG identifier of WGS84.. Wikipedia entries for Google Maps and OpenStreetMap shows that they both ...
4
votes
3answers
219 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 ...
0
votes
1answer
638 views

Drawing aerial routes for flights on Google Maps API between two markers?

I have been drawing route till now using DirectionService. But now my current requirement is to draw a route on air.I did some research and found this link which helps us to draw curved polylines ...
27
votes
8answers
38k views

What ratio scales do Google Maps zoom levels correspond to?

Can anyone provide me with a link (or some details) on the actual ratio to "zoom level" figures for Google Maps? e.g. Google Maps Level 13 = 1:20000
1
vote
1answer
2k views

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 ...
0
votes
1answer
333 views

Google Map geocoder returns multiple results against a complete town name (with county, state)

I have the following address: "Chelsea, New York, NY, USA" In the above address: City = 'Chelsea' County = "New York" State = "NY" Country = "USA" When i pass this address to the Google's Geocoder ...
-1
votes
0answers
20 views
1
vote
1answer
418 views

Export KML from points plotted in javascript Google Maps API?

I want to export a KML file from points plotted in Javascript using the Google Maps API. Is there a way to do this? The user logs in and checks Google Maps, then plot points on the map and finally ...
1
vote
2answers
304 views

Transforming a Google Maps overlay to fit an Ordnance Survey projection

I am currently in the process of creating a map with some administrative boundaries on it. The base map I am using is an ordnance survey map 1:10000. I downloaded an administrative border as a .kml ...
3
votes
1answer
713 views

Any way to view/create/edit Google My Maps KML files on Android?

I have two large (several hundred features) maps created by Google My Maps that I use for my field research. They contain important information required by the field crew for their work on site. ...
3
votes
1answer
27 views

Conversion from Namibian Coordinates to Google Maps (WGS84)

I have coordinates in Namibia, but don't know how to convert them to use them in Google Maps. The system is Lo22/19°. Then Y: +55 435,89 X: -498 157,28 Can anyone help with a conversion?
1
vote
1answer
94 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 ...
1
vote
0answers
19 views

How to dissolve inner polygons in a multipolygon

I'm trying to get the boundary of a collection of zip codes. Here is my current sql: SELECT ST_AsText(ST_SimplifyPreserveTopology((ST_Union(geom)), .003)) as poly FROM zcta5_data WHERE zcta5 IN ...
1
vote
0answers
48 views

How to Legally Use Google Imagery and Maps in ArcGIS Desktop and Web Applications?

With companies like Arc2Earth and Spatial Energy offering solutions to view Google imagery and maps inside ArcGIS for Desktop, there is clearly a legal way to develop a similar product yourself. My ...
1
vote
1answer
701 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 ...
3
votes
1answer
137 views

google map api v3 large/complex polygons

I have quite some large/complex polygons I'd like to overlay on a Google map. I can do this but wondered what the best/fastest way is to load them? I have tried using a KML but understand there are ...
0
votes
0answers
30 views

How to Overlay the WMS Layer on Google map

I want to overlay WMS layer on Google layer of OpenLayers with my map server. but My WMS not Overlayed on it. my code is here: function init() { var map; map = new ...
1
vote
0answers
38 views

Google Map Projection Skew - Need correct Projection

I'm having a really difficult time resolving skewed grids when projecting onto Google maps using Alteryx outputs. Within the module, I'm taking GRD files and aggregating rows and columns to re-size ...
3
votes
2answers
610 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 ...
0
votes
1answer
199 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 ...
1
vote
0answers
11 views

How do i add online GeoServer layers on android mobile app [duplicate]

I am trying to develop an android app, and in this app I want to display a Google map and on this map I also want to add some layers on the Map which I have created from GeoServer. Basically my ...
1
vote
1answer
349 views

Google Maps: Decoded polylines showing up incorrectly

I'm trying to draw an encoded polyline via the Google Maps API (v3), and it seems to draw 'sort of' correctly (as in, roughly in the right area of the world ;) ) but otherwise is very, very wrong. ...
0
votes
0answers
29 views

Google Maps legend ? Where do I find it for more information about them?

Can anyone point me where can I found information about Google Maps and their legend ? Since Google maps does not provide their legend, they display their colors like by showing the tan colors as ...
0
votes
0answers
326 views

Geofence routes from point A to point B

I'm working on a task where given the coordinates of a line from point A to point B, I need to create a geofence around this line (road route). But based on what I read here ...
0
votes
0answers
16 views

Configure Google Maps to display travel time by bike?

I move around by bicycle but didn't find how to configure Google Maps so that it displays travel time by bike: "x min ride home" would be more useful to me than "x min drive home" :-) Does GM ...
1
vote
0answers
30 views

Showing Google Maps using ArcObjects?

Do you know how we can show Google Maps as a base map in arcObject stand alone map? For example is there any wms address from google map that we can use it to connect to it or somthing like that? I ...
0
votes
1answer
34 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 ...
5
votes
1answer
436 views

Generate tiles for google maps overlays

I am trying to show some information on Google Maps which would be in the form of translucent circle overlays. The problem is that some circles overlap, which results in increased opacity and blending ...
1
vote
1answer
453 views

QGIS 2.2 Openlayers Plugin shift between shapefile and base layer for large format

I am attempting to create a 24x36 map of New York City, and overlay it with a shapefile from City Planning. I'm using the Openlayers plugin, and I've tried all of the different types of base street ...
9
votes
4answers
280 views

Google Maps and Search for KML URL

Can anyone tell me how I could add the functionality as seen on google maps that allow users to specify a URL to a KML file in the search bar? I would like to include this in my own embedded map but ...
1
vote
1answer
40 views

Closest point on a line segment from point outside the line

From the above pic I found the value x from line (p1,p2) and point a. Using y=mx+b and an imaginary red line which is perpendicular to the black line having slope -1/m and the intersecting point ...
0
votes
0answers
25 views

Embedding a open source topographic Earth (maybe Google Earth) onto a website?

For a project, I want to create a website that includes something that resembles Google Earth. For this website I would like the starry night background with the Earth in the middle (like that on ...
1
vote
0answers
33 views

How to understand google map overlay type from object (polygon or polyLine)

var Line = new google.maps.Polyline({ path:predectionArray, editable: false, strokeColor: '#FF0000', strokeOpacity: 1.0, strokeWeight: 2 }); var Rect=new google.maps.Polygon({ ...
3
votes
2answers
205 views

Converting from an x-y coordinate system to latitude/longitude

I'm building an indoor wifi-based tracking system that can calculate the position of a device in meters relative to the sensors distributed throughout the building. So far I've gotten to the point ...
4
votes
4answers
10k views

Examples of Google styled Maps? (including JSON)

After watching a great video on creating different map styles with Google Maps, I have been having some fun playing around with the Google Maps Style Wizard. I was hoping to find a gallery of user ...
0
votes
1answer
36 views

How to create GoogleMaps/OSM hyperlink for given bbox coordinates

I have extracted the bbox coordinates from a shapefile and want to create a hyperlink for google maps respectively OSM. When you click on the hyperlink the map should be zoomed to the bbox extend and ...
1
vote
1answer
457 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 ...
0
votes
1answer
179 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
0
votes
2answers
33 views

Unit of Google Maps API geometry services

When i call the method google.maps.geometry.spherical.computeDistanceBetween(from, to); it returns a number, is this distance in KiloMeters or Miles?? How can we find this and doc on this API?
2
votes
2answers
4k views

Can I view a Google Maps map by bounding latitude and longitude coordinates

With Google Maps I can enter a single lat/lng coordinate and the map is drawn with that lat/lng in the center. What I'd like to be able to do is enter two coordinate pairs, say the southwest ...
7
votes
1answer
1k views

How to create a 4096x4096 png from a 1440x720 data set using GDAL?

I'm having a bear of a time trying to do something that seems fairly straightforward. I'm trying to take a netcdf file from ftp://eclipse.ncdc.noaa.gov/pub/OI-daily-v2/NetCDF/2011/AVHRR-AMSR/ and turn ...
2
votes
1answer
81 views

Image classification using google satellite images

Currently our expert user classifies locations by viewing the Google earth satellite image of a location. They consider circular areas of a 5km radius at a set zoom level. They evaluate the image for ...