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

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355 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 ...
4
votes
2answers
923 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 ...
4
votes
1answer
497 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
37 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
441 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
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1answer
80 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
542 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 ...
0
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0answers
45 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?
2
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0answers
84 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
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1answer
110 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
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0answers
41 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
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0answers
75 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
47 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
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1answer
122 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
votes
0answers
160 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
votes
1answer
948 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
123 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 ...
0
votes
0answers
107 views

PostgreSQL Visual Coordinates

Hello I am making a web map application. I use PostgreSQL, PHP, HTML and JavaScript and I extract the coordinates from the database with PHP and pass it to my JavaScript. Here is my code: ...
1
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1answer
117 views

Can I visualize MultiLineStrings in Google Maps

I have made a web application which retrieves roads coordinates from a Postgres database and I when I attempt to visualize this using Google Maps API nothing shows. I am trying to plot ...
0
votes
1answer
99 views

Google Maps and Postgresql

I am looking for a way to visualize data from Postgres in Google Maps, but I have only figured out how to do this for Markers. I am using PHP to retrieve the data in JSON, which I then request from ...
0
votes
0answers
42 views

Integrate leaflet module in a google maps application

Is it possible to use a leaflet application over a google maps application? What I want is to integrate a leaflet module / application over a google maps application just by passing the google maps ...
0
votes
0answers
91 views

CartoDB how to trigger feature click from outside the google map

We are using cartodb.js with Google map v3. I want to trigger feature click events from outside the map like on link click etc. So how can i trigger the feature events(click, mouseover, mouseout) for ...
1
vote
2answers
243 views

Overlaying Raster image with Google Maps in OpenLayers3

I am trying to overlay Google Maps with a raster image layer in Openlayers3 and am new to this. Can anyone help by providing the steps involved in performing this task?
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0answers
86 views

InfoWindows in Nested Polygons (Google Maps Api 3)

I have a large polygon with thick borders inside which there are several smaller polygons something like multiple city polygons inside a state border. The problem with this is that the info-windows ...
4
votes
2answers
387 views

Where to find free map icons sets? [duplicate]

Which is the best source of free map icons (royalty free & price free)? I need an icon set for my Google Maps project that will give it a custom feel. Ideally I want an icon set with a creative ...
1
vote
1answer
306 views

Cost of usage for various providers [closed]

I want to use maping services in my website and I am confused about the options that are provided. I try to do a comparision between features, accuracy and most important cost. I am total newbie and ...
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0answers
51 views

Implementation of Algorithm in Google Maps [closed]

How do I implement A star algorithm in Google maps and generate an optimal path for my software ?
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0answers
79 views

Google maps v3 georss custom featureStyle

I need to customise georss feed displays on google maps. There seems to be some vague info that it's not possible, I also cannot find concrete documentation on it from Google either, yet I know it's ...
0
votes
0answers
1k views

Leaflet - very basic, simple routing - OSM & Google Maps

I am using LeafletJS and I need to display the most basic route available, having many waypoints/stops (not enough to draw polylines though). This route is supposed to be for public transport in ...
0
votes
2answers
619 views

How to get lat/long of all adresses inside a polygon in google map?

I have several polygon shapes inside a City in Germany. I need to generate Point data of houses inside those Polygons. It is very time consuming to add all the building Locations manually. I am ...
3
votes
2answers
523 views

cartodb.js highlight the polygons on mouse hover for Google map v3

We are using cartodb.js with Google map v3. We are trying to highlight the polygons on mouse-hover. Is there a way to highlight the polygon on Google map using cartodb layer?
2
votes
3answers
369 views

Buffer Zone Algorithm

I use google maps, php, mysql, and I want to create a buffer zone in line among some points. Could someone tell me where can i find the algorithm (php library or the math in order to implement it) to ...
1
vote
0answers
52 views

Export Google Maps directions to KML file?

Since Google Maps no longer allows users to download directions into a KML file, I was wondering if someone knew of a website that either can read directions from a Google Maps URL or provide an ...
1
vote
1answer
211 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 ...
0
votes
0answers
9 views

Calculating z coordinate for longitude, latitude Google Map [duplicate]

I have a point (lon, lat) values. Is there any service to calculate Z coordinate of this point. Google service, OpenLayers service or others.
2
votes
1answer
496 views

How to disable Google map zooming animation effect?

I am using Openlayers mapping library in my application. I have integrated Google map V3 & added other several WMS overlays, Vector layers etc. Every thing working fine. But I am facing big ...
1
vote
1answer
286 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
2answers
1k views

How to remove roads from Google satellite hybrid map in OpenLayers?

I am trying to display Google satellite map in Openlayers. So, I added Google Satellite Hybrid map. My problem is, I need to display labels(like POI, place name etc) but don't need any roads & its ...
0
votes
0answers
95 views

Display Google Maps Polygon Edge Distances in Meters?

How can I achieve this using the Google Maps API? The meters on each side.
2
votes
1answer
192 views

How to get a GML overlay on Google Maps?

Anyone know how to get a GML file to show as an overlay on Google Maps? To be honest I don't know my GML from my KML, or my ETRS89 from my WGS84, as this topic is completely new to me. A bit of ...
1
vote
1answer
283 views

Creating a World Population Density Map

I am trying to make a world population density Choropleth map (country level). The data I am using is publicly available on World Development Indicators website. Pretty much, I have an excel file ...
0
votes
0answers
48 views

Dot density inside polygon (kml co-ordinates)

I have a kmz url(its not in local), which has so many polygons in it. Which contains co-ordinates something like: <LinearRing> <coordinates>138.878021,-34.971903,0.0 ...
3
votes
1answer
280 views

Styled markers : how to get bouncing markers with location dots?

I want to mark important location with bigger markers (pointer with forks) and smaller location with normal markers (colored dots). I want big markers to bounce on hover. How to acheive this effect in ...
1
vote
1answer
1k views

Plotting Multiple Points on Google Map using VB.net

I am creating a database application using VB.net and MSSQL 2012. I have retrieved a list of customer from the database and want to plot them on google map. At it stands, I can only plot the first ...
3
votes
1answer
57 views

Exporting massive gps tracks to a map

I have about 1000 vehicle equiped by a GPS sensor and 3G connection. Each vehicle feeds a csv file -using 3G connection- with its current location every 5 sec. Each vehicle have its own CSV file. ...
0
votes
1answer
831 views

Zip code highlighted in google map

When we search for a zip code in Google Maps we get the area highlighted in the map with a dotted border. How is this calculated? How do they know how to draw the polygon? I'm looking at implementing ...
1
vote
0answers
145 views

How to check if a point is within bounded rectangle from Java

I make an AJAX request to retrieve data from a mysql database. I add the data to google.maps.Data layer as geojson. I would only like to load the data based on the viewport. To obtain the viewport ...
0
votes
1answer
481 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 ...
3
votes
1answer
192 views

Is google maps static api free?

I'd like to write an app which uses google maps (via javascript library like gmaps.js). I'll GET the GPS positions from my server and I'll use google maps+js library to draw them on map. I don't ...
1
vote
0answers
532 views

How to overlay a flat image onto google maps with two points of reference?

The Android API allows for images to be superimposed onto a map. To do so, the developer specifies a set of lat/long coordinates for an "anchor point" within the image, the width (or height) of the ...