Tagged Questions

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

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0
votes
0answers
538 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 ...
1
vote
2answers
67 views

Historical maps as cylindrical projections

Objective: I want to overlay old, historical maps on top of Google Maps. According to Wikipedia, Google Maps uses a variant of the Mercator projection, a close relative of cylindrical projections. ...
1
vote
0answers
54 views

Save GM directions as KML - with timestamps?

In Google Maps I use Get Directions and after saving the result as a 'map' and opening it in My Places I am able to save it as a KML. All fine up to a point, allowing me to display the route in Google ...
0
votes
1answer
60 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 ...
2
votes
2answers
220 views

where to host private cartodb/leaflet web app

I am looking for opinions on where to host my cartodb/leaflet map site. It needs to be private with authorized users and have a document management system. So, I was thinking sharepoint online 2013 so ...
1
vote
1answer
238 views

GeoJSON vector layer created using OpenLayers is broken

What i want to do here is to create a vector layer (using openlayers) from a GeoServer JSON Response. Actually i'm doing this: var url = ...
1
vote
0answers
146 views

Is it possible to cluster markers based on city name in Google Maps API

I have a requirement to display all the customers in map. Since the customer list is too large it looks messy when I place markers. I have tried the marker cluster functionality but it groups based ...
0
votes
0answers
63 views

How to cluster group of points in Google Maps?

I have a lot of points (e.g. 100) in Google Maps and I want to cluster each 3 points near to each other in one group. If it is possible, how can I do that?
1
vote
2answers
121 views

Place names on maps - why big differences between OSM, Bing and Google? [closed]

The following observations are from clicking between Chrome tabs. Managua, Nicaragua: At zoom 12 with Google Maps, I get about 40 place names. At 12 zoom on OSM, I get about 17, and only two of them ...
1
vote
1answer
75 views

Why do features in QGIS drawn on same datum as Google imagery from OpenLayers move? [duplicate]

I have just started using QGIS. I've loaded the "openlayers" plugin and added a google hybrid layer, which is based off the WGS84 datum to my understanding. Now I create a shapefile and add a new line ...
1
vote
0answers
145 views

Replace google map MARKER with HTML element

I want to add a custom HTML element (that can become transparent dynamically) instead of a marker. Basically my html object would be a cirle (or rounded pin) with a picture of users in the middle. ...
0
votes
1answer
44 views

Is it possible to render POIs/landmarks from Postgres/postgis DB using google Map like icons?

Is it possible to render POIs/landmarks from Postgres/postgis DB using google Map like icons? Any readily available icon sets?
1
vote
1answer
803 views

What do the parameters for Google Streetview mean?

I've noticed that the new Google Streetview uses a url of the following structure: ...
0
votes
1answer
244 views

how to create temperature heat map on a web?

I'm work on a website of weather data . I need to make heat map with temperature data to show the status of temperature in the state my data(lat,lng,temp), I'm trying to work with Google maps but it ...
0
votes
0answers
57 views

Looking for USA roads traffic load data

I would like to make a map of the USA Roads with traffic load data (I don't care if it updates monthly , quarterly...) in order to analyze location of customer's shops (they sell vehicle parts and ...
3
votes
2answers
846 views

GoogleMaps URL string to display unique marker

This is a topic I thought as easy as pie to solve with just a Google search and which is in fact quite complicated. When I use the following URL string to open a GoogleMaps window on a specific ...
1
vote
1answer
171 views

JSONP working with Geoserver and OpenLayers

I'm in this scenario (fighting with the same origin police issue): I have a map initialized with OpenLayers and a WFS request trough the Protocol.Script object that is giving me this error: ...
3
votes
2answers
215 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 ...
9
votes
1answer
127 views

Google Maps/Earth becoming GIS solutions yet? [closed]

I've been researching internet lately to make a comparaison between Google Geo solutions ( Google Maps, Google Earth) and other GIS solutions (Free of charge or commercial, QGIS, ArcGIS, etc.). I can ...
0
votes
0answers
41 views

automatic templates KML

I have imported several points from QGIS into Google Earth. When I click over an icon point, I get a ballon with all the attributes, OK. One of the attributes is called Text. Ok, so what if i want to ...
0
votes
1answer
640 views

How to get Waypoints between two coordinates from Google maps or other map applications?

Suppose I have A (source point) and B (destination point), then I want to get a series of route point or waypoints between A to B from Google maps or other map applications. The result that I need is ...
1
vote
1answer
136 views

Very basic drawing on a map

I have lat/lng, angle with North and a length of a polygone. I want to draw the polygone on a map. Like in this figure: And I want to adjust opacity of it in realtime. Which GIS or Map viewer I ...
2
votes
2answers
2k views

Offline map(google/openlayers) for HTML5(Angular) based hybrid application

I have a requirement where the customer has explicitly asked for offline support for the map. The rest of the application works well offline, but i am not sure how to get this done using Google or ...
3
votes
0answers
120 views

How to determine and send alert SMS for next bus stop in a GPS tracking system?

In my gps tracking system (PHP/MySql) I have got 5 Stops for a vehicle. Whenever the bus reaches stop 1, the passengers at stop 2 should get an SMS alert. And in the same way for the sops followed ...
2
votes
5answers
136 views

Georeferencing a .jpg image

I am having a .Jpg image of a district. I need to georefernce it. The problem is that I can able to find only one control point of it . All other line features (are Roads) which I cant able to match ...
1
vote
2answers
157 views

Custom UMN Mapserver WMS layer over Google API

I am using Google maps for my application. For getting some custom private map data, I have set up a WMS using Mapserver. How can I add this Custom UMN Mapserver WMS layer over Google API (without ...
0
votes
1answer
372 views

Google Maps V3 + multiple Fusion Table layers = inconsistent markers?

One of my colleagues is working on a map for a news story and is having some difficulty getting the markers to consistently show up. Changing the order in which the layers instantiate is causing ...
1
vote
1answer
522 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
68 views

How to paint area below certain elevation, using no coding and Google Maps, Google Earth, Bing

How can I show the area below a certain elevation, using Google Maps, Google Earth, Bing Maps or similar end-user application, and no coding? Thanks in advance
0
votes
1answer
140 views

How to make it clickable kml file that has been google maps

I have uploaded a kml file into google maps. Now i need to make it clickable. Can there is a way to do this. or I need to upload by code only?
1
vote
2answers
67 views

qgis polygon to coordinates

I have the ordnance survey postcode polygons, i can get the centre point on the postcode (Using polygon centroids) and all the corner coordinates (using extract nodes) Does anyone know how to export ...
4
votes
2answers
1k 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 ...
3
votes
2answers
111 views

UK area boundaries

I'm working on a web project that requires polygons and lat long coordinates for the boundares of towns, citys, countys and postcodes. Does anyone know where i can obtain this data? i know rightmove ...
1
vote
1answer
176 views

CartoDB data not displaying on Google basemap

I'm new to CartoDB but hoping to use it to display various types of real estate data on my website. That said I've been playing around with some of the sample code (Google Maps V3 integration example ...
2
votes
1answer
781 views

Is it possible to query via bounding box in the Google Maps Static API?

We have a Qt program written in C++ to request wms tiles and display them. This works fine. Now we want to display imaginery from Google Maps and due to some restrictions in our program, we can't use ...
3
votes
2answers
1k 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 ...
1
vote
2answers
165 views

KML problems on Google Maps

If I upload my KML file, which contains polygons and pins, to Google Maps, then most of the polygons are missing (see below). To try and address this, I pasted the kml url to the Google Maps search ...
-1
votes
2answers
505 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 ...
0
votes
1answer
1k views

Sample JSON code to get latitude and longitude values from Google API geolocation

I'm a fresher in JSON coding. I got a sample Google API geolocation console from https://developers.google.com/maps/documentation/business/geolocation/ site. {'cellTowers': [ { 'cellId': ...
1
vote
1answer
175 views

overlay wfs google in openlayers

map = new OpenLayers.Map('map', options); // BASELAYER var google_maps = new OpenLayers.Layer.Google( "Google Maps", { numZoomLevels: 20 } ); var ...
2
votes
2answers
909 views

Polygon country boundaries in decimal degrees

Using Google Maps, I'd like to create draggable polygons (on the fly) of country boundaries (they don't need to be particularly precise). Something similar to this, but for countries. So I want the ...
0
votes
1answer
329 views

Scale parameter of the GetMap function within RgoogleMaps

Within the R library called "RgoogleMaps", there is a function called "GetMap" which is used to save a georeferenced image file. The library's manual suggest that the SCALE parameter supposed to be ...
1
vote
1answer
569 views

Adding multiple layers in CartoDB using createLayer() not working

Using CartoDB (cartodb.js 3.5.02), it seems like you should be able to add multiple, independent tile layers to an instantiated Google Map. I've tried using createLayer() a number of ways, using both ...
3
votes
1answer
154 views

Can't get simple map to show up on my test site using CartoDB

So I'm trying to get a simple test-site setup but it's not working. Whenever I load the site I can very quickly see the controls flash on the screen then go away. The when not doing local testing, ...
0
votes
0answers
97 views

Can I simplify polygons in QGIS by Size?

Just wondering if it's possible in QGIS to simplify polygons based on size? I've done it many times using the tolerance level to reduce the overall size however in this case each polygon cannot be ...
1
vote
0answers
274 views

Updated: Openlayers Vector Layers with Google Map Base Layer (via Grid): Vectors Stick but can't get correct resolution/projection

Revamping this question instead of opening a new one. Previous issue: vector layers were not "sticking" to the map, so when you would zoom in or out the vector layers would "come out" at you. Note ...
0
votes
1answer
135 views

openlayers Googlemap and custom wms

I have a custom wms server the transform for this wms is UTM and i cannot set googlemap layr for background for example my feature in wms is Iran country but googlemap background is Algeria this is ...
0
votes
0answers
40 views

Title data from KML/SHP to google maps

Im trying to take land title data from a Shape file and convert it so it will display on Google maps. Works fine going to Google earth I can get the plots and be able to select each one and pull up ...
0
votes
3answers
144 views

Get google maps small portion for offline application

Can some body help me in downloading some portion of hybrid maps of google as I want to store them in my server and display them on web application using openlayers so that the user will only have ...
1
vote
2answers
847 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 ...