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

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8
votes
6answers
4k views

How to emulate this grayscale basemap look+feel in Google Maps

I love the design on the Development Seed homepage, where they've used a grayscale basemap with bold 3D-style graphic markers. It appears that they've used the ModestMaps API to create a tiled ...
0
votes
0answers
6 views

How to integrate multiple tile outputs generated from gdal2tiles into a single google map

Todo Generated tiles from image1.tif - done Generated tiles from image2.tif - done Need to overlay these 2 sets of tiles on top of google maps - this is the problem gdal2tiles generated ready-made ...
0
votes
1answer
275 views

GeoTools, convert CRS for Google Maps

I'm trying to use GeoTools to convert coordinates from EPSG:3857 to various CRS, in order to display WMS layers on a Google Map. For example, I want to display a layer in the EPSG:4326 CRS. I have ...
8
votes
5answers
2k views

How to Geocode a City

I know that I can just call one of any number of geocoding APIs to perform this for me. This is more of a curiosity than anything else. With that aside, how does someone (like Google) turn a city ...
25
votes
11answers
101k views

How to avoid Google map geocode limit?

I'm creating a custom google map that has 125 markers plotted via a cms. When loading the map I get this message: Geocode was not successful for the following reason: OVER_QUERY_LIMIT I'm pretty ...
0
votes
1answer
45 views

How to use google maps engine connector?

I am trying to use google imagery in QGIS through the Google maps engine connector plugin. I relatively new to QGIS and need some help. What I want to do i use the google maps in QGIS and then print ...
0
votes
0answers
10 views

There are some incorrect places, common to Apple, Google and Bing maps, where do they come from and why can't I fix them?

Here in Johannesburg, I've tried to maintain a number of locations that are important to me on some mapping platforms. I've noticed that there are some incorrect places, that even if I report them, ...
-4
votes
0answers
20 views

Qgis open street layer google street layer not open [duplicate]

When the google map street layer plugin starts I see the error in the image below. How can I make this plugin work?
1
vote
1answer
527 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 ...
1
vote
1answer
54 views

Online Map - Vector files postcode lookups - self serve, Mapbox or Gmaps?

I've been reading around how to serve vector tiles to an online map and I have a few questions about which tools and services are best to use together for an application that has c.1.5 million map ...
1
vote
1answer
922 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 ...
0
votes
0answers
17 views

How to hook up GMap to GeoDjango?

models.py: class Location(models.Model): name = models.CharField(max_length=100) coords = gis_models.PointField(srid=4326, blank=True, null=True) forms.py: class LocationForm(gis_forms....
3
votes
2answers
3k views

Google Maps need to click twice to get marker click event to trigger

I have a google map that I am populating with real estate listings from a database. I have set it up to refresh the listings when the map is panned or zoomed. I am using the dragend & ...
0
votes
0answers
13 views

asset tracking from web

We are building an app for our client where transport trucks will be tracked. truck drivers will see their routes with checkpoints. To achieve this, do I need to use Google's premium Asset tracking, ...
2
votes
2answers
1k views

Working out street view heading

I was wondering if it is possible to work out a POV heading for street view based on a GPS coordinate? For instance, say I have the coordinate '43.6653055692 -79.3102166453' If I plugin the ...
0
votes
0answers
22 views

Google Earth vs Map inaccuracies

I'm working with a DGPS system and trying to validate our hardware and any errors in the system. I get a GPS position. When I search in Google Earth I get the exact position as expected. However, ...
1
vote
0answers
25 views

Using local kmz files on google maps

I found a google maps api that allows me to overlay my map with a kmz/kml file however it must be hosted remotely. I have my kmz/kml files locally and would like to overlay them on my google maps, how ...
1
vote
1answer
2k 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 ...
0
votes
1answer
2k views

Not showing multiple markers on OpenLayers

I want to show multiple markers on my Google map with OpenLayers. Below is my code : for (var pointcount = 0; pointcount < jsonObj.length; pointcount++) { if (jsonObj[pointcount].Long != null &...
0
votes
0answers
9 views

Custom map : Layers, sublayers and public transport directions

My objective is to create a custom map for public transport with several layers in it e.g: Under a layer named 'Leisure', I can have several bus/train/boat routes(multiple steps may be involved) I am ...
2
votes
1answer
203 views

Google Maps directions link doesnt work properly in the Explorer for ArcGIS mobile app?

I have an AGOL web map for finding beach accesses in Florida. Within my pop-up I have a Google maps link to get directions to the current access. Everything works fine on desktop, but the directions ...
1
vote
1answer
765 views

Google Hybrid Map tiles won't load in OpenLayers when centered on certain position

Since the Google Maps API update to V3.2 (17 Feb 2015) our maps have not been loading to their initial state, centered over the Gulf of Mexico. When the center location is: center: new OpenLayers....
0
votes
0answers
185 views

How to customize heatmap color on pre decided constraint values?

I am working on heatmap and situation is i have to change the color of heat map marker on the basis of some constraints and the color should change according to those basic constraints values. My ...
1
vote
1answer
26 views

Highlighting Marker on Google Map

Suppose we plot a number of points (latitude, longitude) on the google map using Plot Google map package of R. These points are classified on the basis of unique vehicle-id i.e. a point to represent ...
1
vote
1answer
21 views

Marker points don't fit with street (lack of accuracy while zoom)

I'm using open layers 3.x with google maps layer (cannot give you link, search "ol3 google maps layer"). I can't enhance the accuracy how points would be represented on map, see images below: This ...
0
votes
1answer
64 views

Text Label GeoJSON Markers Google Maps API

I am trying to create a Text Label, for each of the markers created from my GeoJSON with the following code... function init() { var mapCanvas = document.getElementById('myMap'); var map; var image = ...
0
votes
0answers
21 views

Filtering GeoJSON data to include in Google Maps

I am trying to filter through my geojson polygons and get all data entries with a specific attribute. I have a layer of polygons describing lakes around the cities lakes.geojson. I want the user to ...
0
votes
0answers
32 views

Is there any restriction for downloading google maps road network and do analysis on it

Would it be legal to download google road network and perform analysis on that data without officially taking their consent, and publish the findings. Is there any example similar to it?
0
votes
1answer
36 views

Can you download all google maps data in certain area?

Knowing the reference point, I want to get a list of all the shops (and co ordinates) based in that area.. For example all the shops in this mall: https://goo.gl/maps/GFfWx8pze2T2 Is there a tool to ...
0
votes
1answer
14 views

Pop up for features inside a GeoJson File

I uploaded a GeoJson file into GMaps API that has many polygon features in it, and now I'd like to create a pop up for each polygon. The content will be obtained from the attribute table of the ...
0
votes
1answer
30 views

Getting LonLat of a specific location in a specific projection on osm / google maps?

How can I get the coordinates in, for example EPSG:4326 of a specific location, in either OpenStreetMaps or Google Maps?
0
votes
1answer
202 views

how to make interactive map on sphere in unity3d

I am working on a Unity3d Project and want to show world map using google on sphere or plane but actually the problem is GOOGlE provide stataic api which don't provide image greater then 640x640. How ...
0
votes
1answer
50 views

Extracting latitude/longitude from javascript and passing to html form

I have the following problem I use a google map inside an html form where the user can enter an address (autocomplete) and the marker goes to the place. The marker is draggable. What I want is to ...
1
vote
1answer
268 views

Displaying postgis database data

I'm a beginner in this field and tried to display the postgis database data in localhost.But i used select query in my code .so the table got displayed.I want to display the geographical points in a ...
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 ...
2
votes
1answer
326 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 ...
2
votes
0answers
366 views

How to overlay Google Map in a standalone PyQgis application?

I have created a standalone PyQGIS app (within Python itself, not a plugin) with PyQt and PyQGIS API. It generates my map really well. I would like to overlay a Google Map layer as base map just like ...
0
votes
2answers
191 views

Android Google Maps average polyline paths

I'm making an android app that maps my path through plotting polylines using the google map API. If I have several of these paths, it just looks like a bunch of paths plotted on top of each other. Is ...
0
votes
0answers
17 views

Exporting map with background image from ArcBruTile

I have tried exporting, in various formats, a map with vector layers over a google roads using ArcBruTile, in ArcGis 10.2.1, but always with the same result: a white background. Any ideas?
0
votes
1answer
1k 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 ...
0
votes
1answer
31 views

Why distance calculated via pixel size in GeoTiff (EPSG:3857) not equal to Google map or ::skyglyph distance?

I need to understand what's wrong with distance calculated via pixel size. I try to calculate vertical size of GeoTIFF with EPSG:3857. Vertical size in pixels is 4001 pixels and in map units is 2654....
0
votes
0answers
39 views

Problem adding google map coordinates to arcmap

I am having some issues adding x y coordinates from Google Maps into ArcMap. I am adding the following table to ArcMap by specifying X-Field as longitude, and the Y-Field as latitude:. However, when ...
0
votes
0answers
261 views

Custom Markers (overlay) changing position with zoom (Google Maps-Javascript)

I've created a Google map with custom html overlay markers with a function for the user to click on the marker to enlarge it and show more text and a button to exit back to the small marker (same html ...
10
votes
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 ...
1
vote
0answers
23 views

path in openstreetmap or google maps based on path in svg [closed]

I'm about to create an application that should try to create a path in openstreetmap or google maps based on a given path in a svg. For example, I've got the following svg: What tools to use and ...
2
votes
1answer
283 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
1answer
933 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 ...
1
vote
1answer
20 views

Distance between locations confilct?

Occasionally experimenting in arcmap with openstreetmaps basemap and in google maps i noticed something strange. I measure the distance of 2 locations in google maps (screenshot 1) and on another ...
3
votes
0answers
44 views

How to get polyline latitude and longitude by click on polyline android?

I have set Polyline click listener like this : map.setOnPolylineClickListener(new GoogleMap.OnPolylineClickListener() { public void onPolylineClick(Polyline polyline) { int ...