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

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314 views

Postcode Boundaries : India

I was wondering if there are shape-files for postcode regions in India. I did find some shape-files that give the outline of the administrative units in the country but not with postcodes. Right now ...
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0answers
186 views

Calculate Width and Height of a Google Static Maps Image

Do you know how to calculate the width and height (in degrees minutes) of a Google Static Maps image? I’ve found it extremely difficult. The only information you have is: - The centre of the image ...
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1answer
387 views

Export KML from points plotted in javascript Google Maps API?

I want to export a KML file from points plotted in Javascript using the Google Maps API. Is there a way to do this? The user logs in and checks Google Maps, then plot points on the map and finally ...
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1answer
160 views

Why are KML/KMZ parts missing after upload to Google Maps?

I have a problem with a KMZ file uploaded to my Google Maps places: As you can see I have a polygon KMZ file (converted from a shape file in ArcMap) that has 12 parts but the Google Maps shows only ...
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1answer
69 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 ...
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1answer
424 views

Postgis | Problems Reprojecting a Point from UTM ED50 to GEOGRAPHIC ETRS89

I've got a POINTS PostGIS table in the 23030 (ED50 UTM 30N) SRID. I'm having a lot of problems trying to reproject those points from ED50 UTM coordinate system to ETRS89 Geographic (lat/long) ...
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1answer
87 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 ...
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3answers
689 views

Formula/ calculation for ESRI map coordinate conversion (meter to decimal degrees)

I'm new to ESRI mapping. I have a set of points in ESRI, with x, y, z coordinates, which I believe is in meters. I am now writing an Android program, and I do not want to depend on ESRI, thus I would ...
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0answers
36 views

Are there any code examples of plotting pgRouting on Google Maps available?

Does any colleague know about a code example of plotting pgRouting on Google Maps?
3
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2answers
217 views

Render data on top of Google Maps

I have an interpolated temperature data samples that covers a map evenly. The data is in the form of (lat,lon,temp). I want to render that data on top of google maps. I tried google heat maps and the ...
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0answers
793 views

Google map did not update new geolocation when I moved the marker to new position

This is my google map code. I'm trying to update new latitude and longitude when i moved the existing marker to new position. But I don't understand why the following google map code is not updating ...
2
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1answer
64 views

Road Miles Calculation without Google Maps

We have two ZIP codes we want to calculate the road mile difference. Google maps states you cannot use their API if you do not show a map. Is there another service that provides this type of ...
5
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3answers
381 views

How to simulate google maps user experience

I’m not familiar so much with GIS applications and libraries. There is something that I would like to know if it’s possible or not. We are using ESRI suite of products as our GIS infrastructure. We ...
1
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4answers
380 views

Rendering temperature on google maps

I have a number of data points in the form of (latitude,longitude,temperature). I am required to render the temperature on a map. The final result should be similar to the the map here I used ...
0
votes
1answer
182 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 ...
1
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1answer
415 views

Transit Directions: Preferred Vehicle Type?

I would like to be able to get transit directions through the JS api, that is limited to a single vehicle type (e.g. Bus). This functionality is available on maps.google.com, but how do i submit the ...
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4answers
754 views

OpenLayers - Can't remove zoom control buttons, other controls simply lay on top

I have a simple OpenLayers script with a Google map as the base layer. By default the map has a + and - zoom control button, which I can't find how to get rid of. I've added an empty controls array ...
0
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1answer
1k views

Loading WMS Tiles on Android using Google maps v2

I'm using Google Maps v2 to display tiles from a wms. I referred this site. Problem in loading tiles, tiles are loading multiple times i dont konw y? Can any1 help me. Here is my code package ...
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1answer
285 views

Drawing polygons with Google Maps using local shape data

I am trying to draw a census tract on a Google map. It looks like Google Maps lets you draw polygons using longitude and latitude coordinates. However, the data that I have is not ...
0
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1answer
79 views

GeoReference use wordfile in arcgis [duplicate]

I have a tiff image and have the required information to Geo-reference it on the MAP. which called world file like this. using GMAP.NEt API there are many limited functions not like the java script ...
1
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0answers
128 views

Open Layers map shows partial map on page load, unless dev-tools are opened [closed]

I have a Open Layers map with a few KML layers being added dynamically on top of it. On page load I see only a part of the map in top left corner of designated html div. I can't figure out the source ...
1
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0answers
170 views

Google StreetView Coverage Layer

How can I get the layer of the coverage of Google Street View on the roads, i.e. the layer that appears blue when we drag the pegman on Google Maps/Earth? I need it to work in ArcGIS. Thank you.
3
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0answers
223 views

R with ggplot2/ggmap - How to load a png image as a map

I am trying to find a workaround for ggmap's missing support of world maps (i.e. you can't create any maps that show latitudes > 80°, due to idiosyncrasies in the mapproj package). To a limited extend ...
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0answers
307 views

How to get polygon coordinates for Google Map from .poly files (preferably in nodejs)?

I have .poly files with polygons of countries. I want to use those polygons to make Google Map polygon layers. How may I read lng and lat points of polygons from those poly files? They look like ...
2
votes
2answers
402 views

Spherical Mercator projection invented by Google and not conformal?

I had some certitudes on the Google Spherical Mercator also known under EPSG code 900913 and 3857 before looking at this presentation, I was sure that this projection was in the Mercator family (so ...
3
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1answer
354 views

Plotting multiple addresses with distance to specific POI

I'm not sure if this is the correct place for this question but here goes. I am getting ready to move to a different city. Right now I have about 80 houses to choose from. One of my parameters for ...
2
votes
1answer
110 views

Interactive Web Maps That Update as Users Change Attributes

I want to create an interactive map where users can go to the website, click on a polygon in the map, and have a chioce of three options. When they click one, it will change the color and update the ...
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0answers
28 views

Geo locate own view pic on google map [duplicate]

I need to use Google map( GMap API) on C#, and I need to import my own picture for some place I want (with high resolution), plus it has its information on map such as : width,high, size of pixel , ...
2
votes
1answer
300 views

Get coordinates of a building with geocoding

I want to get the coordinates of a building with geocoding. At the moment I use the GeoCoder class for android to get from the selected address the coordinates, but these are not corresponding to the ...
2
votes
1answer
232 views

Possible workflows for shaded relief representation as vector

I am looking for a good workflow on how to represent relief on a map as vector (e.g. for further processing in Adobe Illustrator or Inkscape). My inspiration is the present google maps at zoom level ...
1
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1answer
214 views

Change kml tag structure [closed]

I am working on google-maps kml. I have several shapefiles and using QGIS i have converted it to kml files. When i export the kml (save as kml in Qgis). It contains tag like <SimpleData ...
2
votes
1answer
1k views

How do I determine if a road is privately owned or not? (USA)

I'm working on a project where it matters greatly whether or not a piece of land is on a private road or not. Google Maps in many cases takes private roads (in, for example, master-planned ...
3
votes
1answer
476 views

How to merge several google map images into one?

I want to have a high resolution aerial photo of a catchment area. I took some images from google maps and georeferenzed these and saved them as a layer file. but how can I merge them now that I have ...
0
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0answers
45 views

OpenLayers code for not showing intended area from Google Streets

Would anyone be able to help me with the following code? I have downloaded googleclient.htm world map and want to change it to display Australia only. So I have changed the max.Extent:new OpenLayers ...
2
votes
1answer
785 views

Arcgis Javascript latitude and longitude convert to WGS_1984_UTM_Zone_36N

I am using Arcgis Javascript api. I have two points comes from Google maps like this x:-111.67095840000002 y: 32.7558935 I wanna use this points on my Arcgis map. My map spatial reference is using ...
1
vote
1answer
218 views

Color matching between Google Earth and Google Maps (same KML)

I'm working on a custom Google Map using API v3. I'm creating my KML files in Google Earth, uploading to Maps and then accessing the KML from there. I'm having problems matching polygon colours to the ...
1
vote
1answer
129 views

kmz mismatch in the Google Maps API v3 and Google Earth

I have some kmz files(exported from ArcMap). They overlay perfect with the base maps of Google Earth, but when it applied to Google Maps API, they mismatch the base maps. Can anyone give me some ...
1
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0answers
136 views

Changing Default Layer Switcher

How can I change layerswitcher properties(radio button) ? So I want to change just like drop down list ?
2
votes
0answers
269 views

Openlayers and Google Maps Api aren't work on Android Platform

I have application that uses OpenLayers, Google Maps Api and Geoserver My application is running at Web browser and when I try to run at Android tablet (using Phonegap), It runs but openlayers ...
1
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0answers
71 views

Automating Point Data Collection [closed]

I'm supposed to go through Google Maps and manually record names and addresses of dentists in Texas for geocoding, by zip codes. This task is going to be immensely tedious and I know that there has ...
1
vote
2answers
751 views

Attempting to use ST_DWithin to locate objects within a given distance of meters using SRID 4326

I'm a Rails developer with minimal GIS experience, working with PostGIS and the RGeo gem. I'd like to find all of the cows within 500 meters of my current location. So, I'll create a model for my ...
0
votes
0answers
269 views

Help me convert this US Lambert Conformal Conic Google Maps Projection to Australia

Following on from this question: Identify what projection this Australian map uses? <- this is the sort of map i want to load in I need help changing the bits necessary in this example of Lambert ...
3
votes
2answers
113 views

What software to use for political analysis?

Years ago, in the 1990s, I used MapInfo to do political analysis, voting histories and trends and the like. My knowledge is two decades old at this point, though. What are the tools I should be using ...
0
votes
2answers
127 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 ...
0
votes
1answer
51 views

Calculate length of 2,000 paths - lines in Google Earth?

I have ~2,000 paths/lines drawn in Google Earth and I would like to know their cumulative length. How can I do this easily? I have been able to convert into excel the Lat & Long of each point in ...
0
votes
0answers
263 views

Scrape data from Google Maps

I am a novice in using Geodata and Web scraping. I want to scrape data for all Liquor Stores in California for a class project. Is there anyway to get the data in an Excel sheet? I just need the ...
2
votes
1answer
2k views

How to highlight multiple cities/towns in Google Maps?

I'm trying to create a service area map in Google Maps. When one searches for a city or town, Google outlines the town in a light red. If possible, I'd like to have multiple towns selected in this ...
3
votes
2answers
191 views

Are there any good libraries for visually creating simple Google Maps?

I'm working on a simple webapp that lets the journalists I work with easily construct styled Google maps. In short, I need an interface that lets users place markers, set zoomlevel and choose a ...
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0answers
42 views

Condensing sparse geocodes to weighted Geo-Circles?

I have a data-set comprising of 3 million records having latitude and longitude information associated with it, I want to condense it to form few thousands Geo-Circles, with radius and weight ...
0
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0answers
276 views

Route imported from KML into Google Maps does not display correctly

I made this map in Google Earth of a trip I recently did in the UAE. I did this by importing the kml I'd saved from GE into Google Maps. Annoyingly, it is only displaying part of the route. If you ...