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

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How to convert from UTM Zone 36N Mercator to WGS 84 degrees of lat and long?

I have acquired many coordinates from a points I extracted from polygons. The points are in WGS 84 UTM Zone 36N, and I want to use them on Google Maps. I found out that they use different systems (I ...
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6answers
2k views

Is it possible to query a MySQL database using the results from map.getBounds() with Google Maps API v3?

I have a MySQL database that contains a large number of polygons, one for each district on a map. They are all quite complicated and it's unrealistic to simply load them all at once. I've looked into ...
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1answer
47 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?
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3answers
836 views

Want to convert Lat/Long to UTM

I want to convert Lat/Long to UTM. When I search on net I am getting completely different formulas. e.g. Lat/Long, 21.0909,79.067635 How to convert it to UTM? Thanks
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2answers
1k views

How to install PostGIS and OpenLayers plugins?

I am new to QGIS and have installed the QGIS v 2.2.0. For adding google map as a base layer I need to install OpenLayers plugin. I also need to add the PostGIS plugin for DB management purpose. Can ...
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2answers
165 views

How to use Google Maps for more than just an overlay

I'm using ArcGIS Desktop 10.1 SP1 and I have defined the anuual risk of accidents for each segment of a city road network. I would like to know if anyone tried to do more than overlay on GoogleMaps ...
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2answers
3k views

Where is Google Maps extension for ArcGIS?

I need to import Google Maps into ArcGIS for Desktop and apparently I need to activate a Google Maps extension. I'm working on ArcGIS 10.0 and there are no such extension. Do I have to install a new ...
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2answers
121 views

Can OpenStreetMap display train stations?

I don't have a car and move around on a bicycle. I thus often need to know what the closest train station is to a location I need to go to. I notice OSM displays airports in an obvious way, such as ...
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2answers
1k views

Save Google maps as ecw or tiff

I've downloaded this Google Maps XML: http://ttmaps.free.fr/files/google_maps_20.xml I can load it in QGIS, for example, and view it as a raster. I want to save an small area (a town) in an ecw or ...
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1answer
2k views

How to export data from QGIS to display in Google Maps?

I'm exporting layers of a project for a quantum gis postgis table and visualizing the data in gmaps, but the coordinates are very wrong. is there any special way to export the quantum gis? postgres ...
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2answers
3k views

Source for countries/country codes for the entire world?

Is there any Google API which would return all the countries in the world with the country code?
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2answers
1k views

Shapefiles for real world places [duplicate]

Possible Duplicate: Are there any free administrative boundaries available as shapefiles? This is a follow up to my previous question How to highlight the area in google map on mouse hover. ...
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2answers
126 views

Import Aerial Images from Google into QGIS?

QGIS 2.6.1, Windows 7 I am looking to import an image from Google Earth into an existing QGIS project. Is it possible to download geo-referenced images from google maps (or google earth) and import ...
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2answers
44 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'), { ...
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2answers
223 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 ...
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2answers
338 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 ...
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2answers
193 views

Unit of Google Maps API geometry services

When i call the method google.maps.geometry.spherical.computeDistanceBetween(from, to); it returns a number, is this distance in KiloMeters or Miles?? How can we find this and doc on this API?
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1answer
154 views

In what coordinate system and unit measures the coordinates returned by the Google Maps API are?

In what coordinate system and unit measures the coordinates returned by the Google Maps API are? I ask this because I have a page that returns the geocode lat / long for me to find in my postgis ...
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1answer
616 views

How to use Google Maps projection with GeoDjango/PostGIS

I am building a web service with GeoDjango which involves user submitted events including a location. I created a model field for my location using django.contrib.gis.db: location = ...
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3answers
246 views

How to display clickable features from Geoserver over Google Maps v3 Base?

Please forgive what I am sure is a very noob question, but I need to do some research into the best way to achieve this and I am a beginner to GIS. My employer has a Geoserver instance set up which ...
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1answer
2k views

Can I get the coordinates of country borders from Google Maps?

I need to get the coordinates of a country's border (e.g., Iraq) from Google Maps. How can I do that?
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1answer
148 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 ...
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3answers
4k views

How to read coordinates from shapefiles and overlay on Google Maps?

I have shapefiles i.e. *.shp, *.dbf and *.shx files. I need to read geo coordinates from these files and overlay the area on Google Maps at the right location. I believe that *.shp and *.dbf ...
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1answer
305 views

Is it possible to export boundaries from Google Map marker?

I primarily have a doubt that is it possible to export a marked boundaries from google map marker ?if possible kindly tell how to to do this?
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1answer
1k 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 ...
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1answer
485 views

Way to add 1km x 1km UTM grid onto online map service

Is there any exist services or way to add 1km x 1km UTM grid onto online map service such as Google Maps or OpenStreetMap?
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1answer
724 views

How to adjust the difference between the coordinate from OpenStreetMap and Google Maps

I have downloaded the OSM from OpenStreeMap that came with all nodes from the map and their respective coordinates. Now I have to plot a node (latitude and longitude) on Google Maps, but all ...
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1answer
211 views

Spherical Mercator to Cylinder mercator?

Hello I want to create an overlay for google maps. As far as I know google maps using Spherical Mercator, so the system where I read the maps use Mercator but is not specified which (spherical or ...
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4answers
2k views

How to plot a point on a static Google map [png]?

map&markers=color:blue%7Clabel:S%7C40.702147,-74.015794&markers=color:green%7Clabel:G%7C40.711614,-74.012318&markers=color:red%7Ccolor:red%7Clabel:C%7C40.718217,-73.998284&sensor=false ...
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1answer
147 views

How to get Polygon Co-ordinates which is at angle X? [closed]

Let say I have a line, which co-ordinates are (0,0) and (5,0) which is straight. Now I move the line to 45 degree. What will be co-ordinates now? Similar, I have to do this for triangle, polygon. I ...
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1answer
421 views

Google Map layer loads tiles even if this layer is disabled in OpenLayers

Sorry for cross posting I've asked this question in OL mailing list, but not get response yet. It is very important for me to resolve this issue. I've made a little example that reflect my problem. ...
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2answers
398 views

Is there a way to get Openlayers' KML reader to deal with tessellation?

I'm trying to use OpenLayers' KML reader to display a KML file on a map, but the KML itself has LinearRings tha have a tessellate value of 1. I realize that this is used by google earth to snap the ...
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2answers
249 views

How to realign misplaced GeoTiffs?

I have bought a few (30) GeoTiff maps from my country's Geo-department - South Africa. They all have a date in the filename and the newest one was created in 2004, I see one is dated 1977 - that old! ...
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1answer
450 views

Problem running bounding-box queries

I am working on a google map application, to display the items that are listed in the selected rectangular area. Below image give you some understanding. Based on the co-ordinates ...
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1answer
32 views

Offline Interactive Mapping

I am looking for a good interactive mapping software/suite that will allow me to display polygons over a topography map, and be able to display HTML when a polygon is clicked, for more information. I ...
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1answer
43 views

Getting GPS coordinates perpendicular and parallel to AB

I already posted this question here And I got the solution thanks to Fang but the problem is that the coordinates I need to use are GPS coordinates and apparently GPS needs a different formula than ...
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1answer
29 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 ( ...
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1answer
101 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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1answer
51 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 ...
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1answer
210 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 ...
0
votes
1answer
388 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 ...
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1answer
64 views

How to create GoogleMaps/OSM hyperlink for given bbox coordinates

I have extracted the bbox coordinates from a shapefile and want to create a hyperlink for google maps respectively OSM. When you click on the hyperlink the map should be zoomed to the bbox extend and ...
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1answer
35 views

Projections when using google maps and rest service on openlayers

I am trying to use a rest service on an openlayers map that has 2 google maps layers. The google map layer is set to it's own custom projection (which I had to code into the library by hand, but I ...
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3answers
294 views

ST_transform postgis

SQL within that zone is a point SELECT "public".zona.zts FROM "public".zona WHERE ST_Within ( ST_Transform ( ST_GeomFromText ( 'POINT(-30.033514 ...
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1answer
405 views

Custom Buttons for Google Drawing Manager

can we design my own custom button for the Drawing manager? According to API https://developers.google.com/maps/documentation/javascript/reference#DrawingManagerOptions we can customize only the ...
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votes
1answer
91 views

Searching closest region from Google Maps coordinates

Here is my problem. I'm mapping a region in google maps after that I'm saving the coordinates in PostGIS databse as geographic Polygon type. ST_GeographyFromText('SRID=4326;POLYGON((..))') The goal ...
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1answer
302 views

Using Google Maps Offline in QGIS

I am working on a QGIS project that involves me using the Google Hybrid Map Plug-in. I am due to spend time travelling over the next few days and won't have an internet connection. I was hoping ...
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1answer
51 views

How to identify in googlemaps with below data [duplicate]

How to draw polygon in google maps with below point data?It should be plot in India Andhrapadesh startpoint endpoint startpoin xpos , Ypos endpoint xpos,ypos _0 _2 713.955, ...
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1answer
193 views

which framework is good for closed intranet [closed]

My requirement is simple. By latitude/longitude, draw icon on the map, draw a line between two icons.I may need put a customer picture over the map. It is not difficult by google map javascript or ...
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1answer
93 views

How to display drawings from ArcGIS on Google Maps using JavaScript or PHP?

my client has ArcGIS installed on his PC and he has designed roads, hospitals, houses, and parks of a specific area in ArcGIS he needs his system online. challenging task for me is how can I get ...