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

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15 views

Spatial Reference Conversion

I am currently having some problem with the spatial reference projection on the map in Android. Basically I have a base map which is OneMap and all the coordinates stored in database is in SVY21 ...
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3answers
113 views

QGIS OpenLayers Google Maps not zooming

Google Satellite will not zoom. Although the scale changes as I zoom, as the map is re-rendered, it zooms out to its maximum extent every time. This first happened in the latter part of November ...
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0answers
39 views

Getting coordinates perpendicular to AB

I noticed that Google Mapmaker has a function that when you hold shift when drawing a shape you can see the perpendicular line. I want to recreate this function to use in the google maps api v3. So ...
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0answers
7 views

Dynamic styling of google maps polygons

I have fetched a bunch of coordinates from my database into an array as polygonsArray. Each element in the polygonsArray also has a name, id, max-min value and some other information. The coordinates ...
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0answers
21 views

Google Maps zoom number and min/max scale(Openlayers)

How to set Google maps' zoom number accordingn to min/max scale of a wms layer? If min scale is 1/50000 and max scale is 1/5000 (units: m), which zoom number is resonable? I tried to set min zoom ...
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0answers
12 views

Deviated InfoBox - Geojson

I tried to showing info-Box after click (onmouseclick), that is goes well but info-Box's location is far away from my geojson area. Can Someone explain to me what happen in here?
3
votes
2answers
56 views

Import Google Maps locations to ArcMap

I have a problem with importing a list of coordinates to ArcMap. I have a shape file of regions of Chile and I would like to add a list of locations with coordinates I got from Google Maps. The shape ...
4
votes
2answers
40 views

Loss of synchronization between map and markers (Leaflet + Google Maps)

I have a problem using the markers with Google Maps with Leaflet. In this example you can see the difference between Google Maps or OSM. Using OSM, the marker moves with the map but when using Google ...
1
vote
1answer
19 views

route planner view from kml file

I have a kml file generated dynamically that I can view in google earth no problem. It shows a route for a journey. Is there a way to make this more 'printer friendly' so that I can print this of for ...
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2answers
30 views

Tilt of OpenStreetMap with LeafletJs

I am using LeafletJs as mapping library for OpenStreetMaps. Is there any method map.Tilt() in Leaflet api like google provides map = new google.maps.Map(document.getElementById('map-canvas'), { ...
1
vote
1answer
48 views

Display big data set on Google Maps

I have a pretty large polygon shapefile (almost 1.5 million buildings) that I want to display in Google Maps. As the KML would be far too big, I have to create tiles, right? I don't want to host my ...
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2answers
40 views

When to replace Google Maps with MapServer? [closed]

I have a contract handed to me to create a google map interface for a real estate company where the area they are operating is moving sales around in extremely high volume. To date, I have created 12 ...
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0answers
18 views

Android : overlay geotiff in Googlemaps

I'm Developing an app with Google Maps. In which i need to show a layer of data from the Geo-tiff imagery. Do any one has an idea on how to do it, i have no idea how to project the layer over the ...
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0answers
37 views

Can i refres the curent location from user in webapplication in Google Maps

I try to make a webApplication which user if he moving the application show him his possition in google maps this is my code , but i dont find the way to show the moving of user with out need to make ...
1
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0answers
31 views

Route tracking on google map php

i have to make a software which is track a vehicle on Google map using GPS. I have almost done this project but i am stuck at a point, the client require a system that track the bus in a route. I am ...
2
votes
1answer
44 views

What is Google's source for topographic data?

I'm looking for as detailed as possible topographic data for a certain area and have found information displayed by Google Maps to be far more detailed than what is provided by 7.5 minute maps (from ...
1
vote
1answer
38 views

Draw line overlays and center map

(Apologies if this is a trivial question; I'm completely new to the GIS world.) I have a dataset with start and end points of lines. Columns in the table are unique_line_id, line_start_point_lat, ...
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0answers
26 views

Closest line, line intersects box and general help

I've been knee deep in information about Geo data, projection and topography but can't find a simple library/method to help me with basic calculations of coordinates. I'm using Google Maps API in ...
1
vote
0answers
23 views

How to get bounds coords by center LatLng point, width and height in pixels and zoom?

I have to calculate bounds coordinates to query mongodb box on server side to get data before google maps is loaded. How can I get four LatLng corners by center LatLng point, window width and height ...
4
votes
2answers
591 views

Misplaced Google Maps with OpenLayers plugin in QGIS?

I was using Google Maps with OpenLayers plugin in QGIS with my vector layer with projection EPSG:4326 with google map projection EPSG:3857 and "on the fly" transformation enabled. It was matching ...
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0answers
28 views

Google maps custom icons and removing

Hello I try to have three different icons for markers every mark symbolize something else , I put them but I cant remove only the icons which I have not check it I put them all in three different ...
0
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0answers
6 views

OTP encoded polyline same as Google encoded polyline?

I have been researching and trying to make sense. My question: are the encoded polylines that Google gives in its directions api same as the leg geometry encoded polylines of Open Trip Planner?
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0answers
27 views

Openlayers 2 - and google maps for work

We have a website that is not publicly facing and people have to pay to use it According to google, this means we have to pay their 10,000USD per year licence fee However, does anyone know if the ...
1
vote
1answer
42 views

How do I make my map use a set of coordinates

Right a little background. I've made a custom google map with the google map api which has a few functions that work well within it - one specifically is limiting the user on what they can view within ...
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0answers
15 views

Google Maps - Metadata

I am looking for a way to store metadata with my polylines and placemarkers on Google Maps. The purpose is that I am storing the lines markers on my server and allowing updates via client side code. ...
2
votes
1answer
45 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 ...
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0answers
45 views

Why is longitude also written as B and latitude as k?

Why is longitude also written as B and latitude as k? I see that abbreviation when working with Google maps API.
0
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1answer
109 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
21 views

How to create a googlemaps marker from kml file information

To clearify: I tracked myself via my google account... exported the location history to an xml file. Now I try to extract the coords from a particular time and location but the format confuses me ( ...
1
vote
1answer
48 views

How to get the name of location in Google Maps?

I am new in google maps api. I want to get location name after user click to that location. I try to find answers in docs, but it so huge. Maybe someone can help to me or just say where in docs I can ...
2
votes
0answers
137 views

Google Maps - The infobox is not fixed to the marker when the map is wrapped (on zoom 0,1,2)

I use a custom infobox that is fixed to the marker's position. Everything is good (see screenshot 1) until the map reaches the zoom 3 or lower, precisely, when the map is wrapped. The infobox is no ...
2
votes
0answers
78 views

Inserting coordinates from Google Maps into a Database

My question is pretty basic. I am using Android Google Maps to take the coordinates off a location on the map and I want to insert it into a PostgreSQL database. I know I have to use PostGIS but how ...
1
vote
0answers
69 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 ...
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0answers
58 views

Unexpected Google geocoder API results when filtering by country

Labé is a city in Guinea. It is the capital of the Labé region and the Labé prefecture When I use the Google Geocoder API to geocode [labe] with no filters, I get three results in Guinea: One for the ...
3
votes
2answers
204 views

Outline a plot of land on a map

A client has a very old Certificate of Ownership document for a plot of land. We need to show the outline of the plot on Google maps to potential developers. Sadly the description of the plot is in ...
1
vote
1answer
159 views

Slight translation with coordinate-transformation from Gauss-Kruger to WGS 84. Possible Reasons?

I have a number of points in Gauss-Kruger, Zone 3 that I want to convert to display them within Google-Earth. Assuming WGS84 for Google-Earth the transformed coordinated differ from the original ones ...
1
vote
1answer
21 views

Point in zone problem in calculation

I have a strange problem that i believe its because the zone pass through international date line. My goal is to find if a point is within a zone and I use the geoPHP library, everything seems to be ...
3
votes
2answers
85 views

How to add link in ArcGIS Online web map popup to google or bing driving directions?

I have an ArcGIS webmap with school boundaries. I would like to provide a link in the pop up that takes a public user to a free routing website like Bing or Google with the directions to their ...
0
votes
1answer
51 views

CartoDB createLayer function not working

I'm using cartodb.js on my website and it were working fine. But couple of days ago I found that cartodb layer is not loading properly. When I check the console in Firefox, I found this error ...
0
votes
1answer
69 views

How to add wms overlay layer to google map

I have a WMS server (using MapServer and Apache on windows). i read this document about Mapserver's Tile Mode and use that's example to overlay my map on Google maps.but not work. my code: function ...
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0answers
19 views

How to draw internal layouts on Google maps

How to draw internal layouts on Google maps can any on tell me how to do this any idea?
1
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0answers
34 views

Overlapping Polygons

I have a project that requires us to plot floods in a certain area, the example below shows the flood areas. What I would like to know is how would I be able to shows these polygons in a better ...
0
votes
1answer
44 views

How to prevent vector layer zooming if base layer does not allow farther zoom

I am using different types of base layer in OpenLayers and drawing vector layers on them. I am having trouble with Google satellite base layers. I have noticed that satellite view has different zoom ...
1
vote
0answers
25 views

calculate the number of pixels by color for each road in google traffic image?

I am new here. I got stuck with masking out background and counting the number of pixels by three colors for roads in google traffic image. Is it possible to do it in ArcGIS? what function should I ...
1
vote
0answers
28 views

Adding a google Maps Layer to OpenLayers 2.14

I have a well-working map consisting of several layers in OpenLayers retrieved from geoserver. Now, I want to add a Layer from google maps. Since I did not find any working explaination in the web - ...
0
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0answers
31 views

How to use Offline GoogleMap Tiles in mapserver?

I've downloaded GoogleMaps Tiles from zoom 9 to 16 in selected area with "Offline Map Maker". I want to add this Tiles to my map in MapServer. How to do it?
0
votes
1answer
63 views

Add Google Maps Layer to OpenLayers Page

<script src="openlayers.js"></script> <script src="http://maps.google.com/maps/api/js?v=3&amp;sensor=false"></script> <script type="text/javascript"> .... ...
0
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0answers
46 views

Google Maps and Displaying Coordinates while drawing?

Currently we are doing this on a project: google.maps.event.addListener(map, 'mousemove', function (event) { displayCoordinates(event.latLng); }); function displayCoordinates(pnt) ...
0
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1answer
136 views

How can I add google map layer as additional layer (OpenLayer, OSM)?

I am total newbie when it comes to Geoserver, JavaScript etc. I have managed to get my map working and the layers from my localhost are showing on the map. Base layer is OSM but I would like to add ...
1
vote
1answer
55 views

Best way to show shape file in a layered map

I'm creating my first app using maps and shape files. I have some shapefiles with attached dbase databases and I would like to show these shape files as an overlay on a map. I have JavaScript code ...