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

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46 views

Is geoxml3 slow when parsing large kml files?

I have 10 kml files of 10 global regions (Western Europe, North America etc etc), which I add simultaneously as overlays (Kml Layers) using the Google Maps API. This works. I'd quite like to make ...
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44 views

Is there a way to create a custom, navigable GPS route?

Is there some sort of way to create a custom GPS route that can say, be plugged into a maps app like Google or Apple maps? For instance let's say I created a route that is a drive along Pacific ...
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1answer
42 views

How to align ASTER GDEM with Google Maps?

I'm using ASTER GDEM V2 to pick heights at lon-lat coordinates obtained from Google Maps but I found that at some locations - particularly San Francisco: https://goo.gl/maps/w7p1K - the DEM seem to be ...
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24 views

What are the rectangular black markers shown in the roads of Google maps?

I'm doing some image processing to quantify the connectivity of London's roads. I'm not a geographer or map-expert and I would like to know what are the black rectangular nodes/markers in this map. ...
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2answers
159 views

Plot Canadian (Alberta Province) township, range, and section data on Google Maps

We are working on a project where we need to plot some part of Canada (Alberta) over Google Maps. We can plot maps on Google with coordinates (lat/long) or geometry values. But our client provided us ...
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62 views

Raster overlay with different projection in Google Maps

I have a map created with Google Maps. I want to overlay over some data I am downloading dynamically, covering the whole world. That data is a matrix as follows: 1024 values for the longitude ...
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19 views

How can I set the default to maximise the layer box on an embedded Googlemap iframe?

I've a series of pins across a variety of topics that I would like shown when the iframe is viewed. I want the layers turned off by default (done at the source end i believe) but I need the iframe ...
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66 views

Working with Google Maps Android API v2 and WKB

I have a service which returns a list of routes (geometrycollection of linestrings) in WKB format. I want to display the routes on the google maps android api. What's the right way to achieve that? ...
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53 views

Add QGIS raster layer to Google Maps API

Is it possible to add a hosted QGIS Raster layer into a Google Map? Thanks.
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38 views

Bulk Converting Ordnance Survey to Google Map lat lng

Apologies if this is a simplistic question, I am learning! I am attempting to use pyproj with Python. The coordinates I wish to convert came from the Ordnance Survey Integrated Transport Layer. I ...
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34 views

OpenLayers+google maps slow map

I'm using google maps +openlayers to display live tracking of gps devices to a web client .I'm using JSF+Spring+hibernate on the server-side . My problem is that the map is slowly rendered and I need ...
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30 views

Google Maps Data

Is it possible to obtain a dataset of all search results in a google maps search? For example: if I want a list of all gas stations in Chicago, complete with addresses, store name, latitude-longitude ...
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72 views

Live routing with instructions is show in a windows info if click in road

I have make a web application , the application have in a server a database in Postgresql with a table roads , i have make a php with pgRoutong query , in the web site the user give two points , or ...
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1answer
57 views

CartoDB / ArcGIS online map to show roadworks in a city

I want to create a map that shows roadworks based on start and end time in the City of Aarhus (second largest city in Denmark) using CartoDB (or ArcGIS online) similar to http://roadworks.org/ - I ...
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22 views

What is the correct way to show 10000 maps/tiles on my contact address list web page?

I have a webpage with a grid of contact list (around 10K people). I want to put in one of the columns a small map/tile of the address from a different column. Do I need to generate 10k maps object and ...
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49 views

Accessing Time-Enabled Layer/adding time slider to webmap using google maps as basemap

I have the wireframe that I need for my webmap along with the arcgis map service layers (with time enabled data). I want to have two map divs with two time sliders that use the same service layer in ...
2
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40 views

Stretching of geometry when rasterizing vector data on Google Maps

I'll start with a quick backstory on what I am trying to achieve. I'm working on an offline Android GIS tool and people are throwing giant datasets at it. It converts these into Google features (V2) ...
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1answer
90 views

Displaying postgis database data

I'm a beginner in this field and tried to display the postgis database data in localhost.But i used select query in my code .so the table got displayed.I want to display the geographical points in a ...
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0answers
81 views

Scaling Images with OpenLayers

I have the same image (exactly the same dimensions) in Google Maps as in OpenStreetMap, but the scaling of the image in OSM is totally different. The scaling in Google Maps is after my opinion the ...
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45 views

How to show hierarchical clusters in google maps or other tool?

Google maps marker can be clustered but those clusters expand on different levels. I want to stay on a specific zoom level and cluster a set of markers. Then I want to show sub clusters inside that ...
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59 views

Google Maps measure time to render markers

I want to measure how much time it takes to render markers on my map. I have a vector layer with data, like this: var vectorLayer = new google.maps.Data({map: map}); // add features to vectorLayer ...
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1answer
167 views

How to store Google Maps DrawingManager Rectangle overlay in PostgreSQL Postgis GEOMETRY(GEOMETRY, 4326)

What is the correct way to store a Google Maps DrawingManager rectangle overlay? The API basically provides me with NE & SW lat/long coordinates. Should I use BOX()? Is it possible to create a ...
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1answer
53 views

Offline map with less zoom size and maximum area covered

I am developing a mobile app for which an offline map is required. Is it possible to have such map within few 10s of MBs? The requirement is to have: Map with smaller zoom size; e.g. In this URL of ...
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1answer
44 views

Plotting a list of towns in google maps or CartoDB

is there a way to plot a big (700) list of towns on google maps. I don't have any geographic reference, just their names in a .csv file. I've tried uploading using their help pages but it just seems ...
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35 views

uk postcode outcode border data

I am aware of this: First character boundaries However, this only gives you the borders for, for example, 'L' rather than: L1, L10, L11, L12 etc. Can I obtain these fine grained border data from ...
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26 views

extract lake outline in google maps

I have some bathymetric data for a lake, shown here in google maps: ...
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2answers
300 views

QGIS exporting attributes in a KML file

Here is what I am doing: Create a layer by uploading a shape file into QGIS Select Attributes of that file Export selected attributes with the "save only selected features" check box when I save the ...
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0answers
85 views

In draw path moving a icon

I try to make a path in route using a pgrouting from table with roads and after how i move in this path an icon(marker) and show info for example the name of road wich is on the icon or the addres? Is ...
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2answers
161 views

Geocoding accuracy of Google Maps vs Tiger

I recently compared result of US Census Geocoder(http://geocoding.geo.census.gov/geocoder/) with that of Google Maps. For any given address both of them are giving different set of lat, lon. Why there ...
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1answer
151 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 ...
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1answer
60 views

Downloading data from Google maps-based apps

Is there any way to download customer’s data in Google maps based app? Like the polygons in this map - http://tromso-parkering.no/parkering/kartoversikt/.
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58 views

Highlight area/location on map

I want to hightlight area on mouse over as exactly like wikimapia is doing.I have these questions Can i do exactly as wikimapia in my website?I do not want in iFrame. What is the best way to to ...
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1answer
103 views

Which map API to draw polygon and export my data that is within boundary?

I have 5 point datasets that I want to display and be able to filter by fields. I will then be able to hand draw a polygon and export Excel of the data from each dataset within the polygon. Which web ...
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1answer
230 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 ...
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22 views

Old World View Map / Tiles

I m currently looking for Imagery of Old World View Map, maybe 19th century, black white is okay. And if there is tiles services that would be cool. Is there any site that still contains those ...
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0answers
37 views

Rotated custom tile set in OpenLayers

I'm thinking of using Openlayers for an interactive map of a building. I'll have custom tile layers for each floor of the building's interior overlaying regular world map tiles. The building is on a ...
3
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2answers
131 views

Using ArcPy to zoom to Y,X (string) coordinate pair copy/pasted from Google Maps?

I frequently use google maps to find locations, and paste the coordinates into the "go to XY" toolbar in decimal degrees. It's a bit repetitive to paste the latitude into one box, and the longitude ...
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102 views

How to create function that gives google maps getBounds result?

I'm trying to create function that would calculate four bounding coordinates by latLng, zoom level, width and height in pixels, the same like in google maps getBounds function, in goal I won't create ...
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1answer
192 views

Working out street view heading

I was wondering if it is possible to work out a POV heading for street view based on a GPS coordinate? For instance, say I have the coordinate '43.6653055692 -79.3102166453' If I plugin the ...
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1answer
49 views

Best Map API for route polygon calculations

We are building a web app. I need to obtain the area reachable from specific points by driving or by walking in order to obtain the polygon (eg., 5 minutes walking polygon from a specific point), so ...
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34 views

Buffer Zone and Great Circle

I am using the geoPHP library to calculate the buffer zone of route. It works fine in case of Rhumbline routes, but among my points I have some of them that are connected with "GreatCircle", is it ...
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0answers
106 views

Displaying Google Map using MapServer, C# and PostgreSQL?

I am displaying Google Map (MapServer) by using C#. And also highlighting the districts on the Google Map using PostgreSQL data. Every thing is working well but when I use any options like zoom in, ...
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2answers
157 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 ...
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0answers
81 views

Converting UTM32-EUREF89 shapefiles to align with Google maps

Im from Denmark, where the maps we can get from official hand is in UTM32-EUREF89 shapefile format. When these are applied on top of either google/oracle/bing they seem to be like 20-25 km of towards ...
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3answers
87 views

Calculate Color of Object So No Adjacent Objects Repeat

I am attempting to assign one of 16 colors to map objects (e.g. counties, states, ZIP Codes, etc.) so that no two adjacent objects share the same color. I'm seeing tons of articles online about ...
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1answer
127 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> ...
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2answers
209 views

Google Maps API v3 base map visibility

Is it possible to change visibility or opacity of google base map ? I am adding it like in simple example, and adding data layer as overlay and want to see only vector markers. Is it possible? var ...
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1answer
50 views

Export from QGIS to Google Maps maintaining formatting

I'm totally new to QGIS so I'm not even sure this is possible. I've created a bunch of polygons within QGIS and they look just like I want them (color, transparency, etc.). What I'd like to do now ...
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1answer
47 views

Toggling Layers using CartoDB

Does anyone have ideas or know how one might be able to use CartoDB to create a map that one can toggle the individual features within a KML file, as currently happens on this map? I want my users ...
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70 views

Can I use Google's Geocoding with OpenLayers provided the base map is Google Streets?

Not strictly a GIS question but I am hoping someone might have some experience in this area... Understanding the 10.1.1a clause in the Google Maps/Google Earth APIs Terms of Service: (a) No ...