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

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4 views

How to add layers and update layer control dynamically : leaflet

Introduction I am working with the lealflet api, where user can draw shapes to map(image)... Initially the layer control(handling 1 layer) is added for base map using imageoverlay...... ...
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1answer
571 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 ...
2
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1answer
30 views

Plotting points on a map based on address text string of location

This may be a naive question, but I'll try anyway. I am working in QGIS, and I have a shape file with more than 2000 rows containing information about specific trees in a botanical garden; their ...
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1answer
267 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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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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17 views

Binding drawn shapes/markers with specific toggling layer : Leaflet

I am working with the application Beta_Here which uses leaflet plugins, all libraries are local except for few(css related) Usage of application live First View:This application get input from ...
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0answers
7 views

Google Maps JavaScript API scale Polygon keep aspect ratio

I drew a polygon on the map.now i want to re-size the polygon keeping the aspect ratio. i don't want to use google.maps.Rectangle. this is my code var pointsPoly = getPoints(); /* */ var ply = ...
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0answers
14 views

Google map 1km grid overlap

Generated 1km grid at a lower zoom level (so we cover a large ground area), this 1km grid data is saved in a DB and loaded back based on the current location the user is on, the problem is when we ...
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0answers
25 views

draw a map from encoded polylines

I'm using the google maps web services service to find a route. From the json response I parse it encoded polylines and store it on coordinates String. private String parseJson(String s){ String ...
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0answers
24 views

Openlayers 2 and Google Streets

I don't know why since yesterday Google Streets baselayer is not displayed if Google Hybrid is not selected first. I thought it was my fault but the same happens with the example: ...
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0answers
11 views

Calculate maneuver details using coordinates

I want to calculate the maneuver details (turn-left, turn-right, etc) from the coordinates array returned by google roads API (I'm using JavaScript). I know maneuver details only returned by google ...
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2answers
350 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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1answer
152 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
32 views

Layer XYZ - Google API to OpenLayers

I am trying to load some tiles I generated in mercator projections. With the Google API it works perfectly with this script: <script> var map, overlay; function initialize() { var ...
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1answer
748 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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0answers
14 views

Google maps distance based on the zoom level

I have used google maps for displaying some locations using markers, based on the user's current location. User's current location is the center point of the map. The default zoom level is 12. In ...
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1answer
401 views

How to get boundaries of city?

is there any api to get bounds of city. What i want is i give city name and in return i get that city boundaries. I have searched google maps, arcgis and OpenStreetMap but didnt found any ...
3
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2answers
1k 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. ...
2
votes
1answer
48 views

Mouse Scroll in ArcGIS different from that of Google Maps?

On moving the mouse scroll forward, the map Zooms-Out in ArcGIS while it Zooms-in in Google Maps. Can it be changed to match the Google behavior?
2
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1answer
209 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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0answers
12 views

How to find one polyline of google map overlaps other polyline in map?

I have two routes let's say route 1(Location A to F) and route 2(Location B to E) in Google map. How could i determine route 1 includes route 2? Here route 2 is shorter than route 1 so, coordinates ...
2
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1answer
47 views

Google Maps API: How to remove terrain from the satellite view?

(I asked this in SO General - but then thought it might be better here - sorry for the cross-post!) Using the API, is it possible to turn off the 3D terrain in the Google Maps satellite view? I'd ...
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0answers
19 views

Layer coordinates and geometry in ArcGIS API for JavaScript?

Currently I'm working on a system that uses the ArcGIS API for JavaScript with layers and map to display information on borders of specific regions. I don't want to display all information at once ...
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0answers
13 views

Drawing Google Map & printing at 1:160 (N Scale for modeling)?

I would like to draw a Google Map between two cities crossing a mountain pass in the Western USA. That part I can do just fine. What I would then like to do is print it at the scale (am I using that ...
2
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2answers
164 views

Way to “rip” bicycle directions from Google Maps Classic?

It's very unfortunate that Google Maps Classic no longer exports routes as a KML file, and Google Maps Engine Lite isn't as easy to use. So I was wondering if it were possible to somehow "rip" a ...
0
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1answer
558 views

Transforming between epsg:3857 and Google Maps Tile coordinates

Hio, I used to use a simple python project (https://github.com/hrldcpr/mercator.py) to convert between wgs84 and google maps tile coordinates. This project doesn't have a license, and looks like it ...
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1answer
211 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
212 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 ...
3
votes
2answers
463 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 & ...
4
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3answers
1k views

Looking for a Provider of UK boundary data

I'm working on a web project centered around the input and mapping of GIS data. We have a need to display polygons of town boundaries. The RightMove.co.uk website has and uses this data: ...
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2answers
473 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 ...
0
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1answer
478 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 ...
0
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1answer
84 views

OpenLayers & Google Maps: TERRAIN not showing as baseMap

I have a problem with OpenLayers and Google maps: on this page: http://46.37.22.75:8085/public/ I'm loading Google maps TERRAIN with Openlayers.js, everything worked well for about 1 year, but now ...
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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 ...
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0answers
30 views

Easiest way to have an offline stylized map

I would like to have my own offline stylized map. I see that google api can dynamically build stylized map (http://googlemaps.github.io/js-samples/styledmaps/wizard/index.html) But I can't save my ...
3
votes
1answer
55 views

Need to include GPS data in a GIS system

I work for a small telematics company and we received a request from one of our clients about integrating their vehicle GPS locations to their ArcGIS system. Our current system simply displays this ...
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0answers
50 views

Buffering a polyline

I'm attemping to buffer a polyline that the user has drawn on a map (Google maps and OSM map). The user specifies a distance in metres and a polygon should be drawn around the polyline representing ...
1
vote
1answer
251 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 ...
1
vote
1answer
1k 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
263 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 ...
1
vote
1answer
377 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 ...
1
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1answer
158 views

JSon on Google maps

Good morning everyone! I'm trying to show a .json layer on Google Maps. This is the example that I'm using.... got it from google. <!DOCTYPE html> <html> <head> ...
1
vote
4answers
60 views

Does Google Maps API or OSM provide location/place boundaries

I've been digging around today in Google Maps and Leaflet API's to find if there is an easy way to get these boundaries instead of needing our users to manually outline these things (like drawing ...
0
votes
2answers
309 views

Zipcode to Polygon/Boundry

Is there any API out there which can give me Polygon value for a zipcode? I really thought that it would be fairly easy for me given the number of Maps APIs out there. Either Google Maps API or ...
2
votes
1answer
192 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
830 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
3answers
2k views

Export Google Maps Route to KML/GPX

Since Google pulled the plug on Google Maps Classic, I'm reluctantly moving to its Google Maps New application. However, I didn't find how to export a route to a GPX or KML file so it can be copied ...
6
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4answers
8k views

Check if lat/long point is within a set of polygons using google maps

I know how to do the above using Esri (Query task on shapefile), but can this also be done using Google Maps? Do I have to query each polygon or is there one method to query a set of polygons?
2
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0answers
63 views

How to tell if map service is fully vector or raster?

sorry if this is a duplicate, but I was wondering how to tell if a map service (in web browser) is vector based or raster based? What I think to understood so far is that Google Maps for example is ...
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0answers
21 views

Changing Polygon shape on Zoom in and Zoom out in google maps using javascript

In my application iam using google maps v3, on page load with default zoom level of 15 i load few polygons by passing points(latlng coordinates) from database on the google map now my question is when ...