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Questions tagged [google-maps]

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

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46
votes
6answers
242k views

Displaying local file in Google Maps?

How can I get a KML/KMZ file to display on Google Maps without a public facing web server?
4
votes
1answer
157k views

Adding new address to Google Maps?

I can't see my home address on Google Maps as it is a new neighbourhood. How can I get my home address added into Google Maps?
32
votes
6answers
219k views

Export Google Maps Route to KML/GPX

Since Google pulled the plug on Google Maps Classic, I'm reluctantly moving to its Google Maps New application. However, I didn't find how to export a route to a GPX or KML file so it can be copied ...
18
votes
3answers
2k views

What is the wire format for Google's new vector map tiles?

Google recently released new vector cartography for their mobile maps. I'm curious if anyone here has any insight into the wire format they use for transmission? I've experimented with a few formats ...
11
votes
3answers
4k views

Point in polygon algorithm for multiple polygons

I've a Google map with bunch of polygons on it. Here is a problem I'm interested in: Given a lat,lng point, what's the best way to determine all the polygons that this point lies in? The obvious way ...
16
votes
3answers
18k views

Calculate lat lon bounds for individual tile generated from gdal2tiles

I have multiple tile sources generated using gdal2tiles I'd like to present on the same map. So when presenting a tile I need to determine which source to serve it up from, checking against the bounds....
17
votes
7answers
5k views

Seeking Satellite Imagery Providers? [closed]

I'm building a web application - my requirements are: Must have global satellite imagery. Must have easy to use API's that are capable of geoJSON data imports, mouse and keyboard gestures, etc. To ...
16
votes
8answers
13k views

What methods are there to produce map tiles for google maps?

newbie to stack exchange here. I'm currently using the automatic tile cutter found here to make the standard 256x256 tiles required to make a custom map type for my map. The map tile cutter script ...
8
votes
5answers
3k views

How to Geocode a City

I know that I can just call one of any number of geocoding APIs to perform this for me. This is more of a curiosity than anything else. With that aside, how does someone (like Google) turn a city ...
6
votes
3answers
3k views

Server side clusterer for Google Maps

After doing a lot of research on different types of clustering coordinates (server side) I am still having problems with choosing the best approach for my project. My requirements: Ability to work ...
23
votes
6answers
166k views

Changing default zoom in Google embedded map?

I am having difficulties to change the default zoom level when I open the iframe below in my site. Can anyone please help me to set zoom level when following iframe is opened? <iframe src="http://...
11
votes
2answers
55k views

Coordinate system and projection for georeferencing Google Maps image in ArcGIS Desktop?

I have saved Google Maps image (not Google Earth) of area at latlon(17.692437,83.218689) by some method in jpeg format. It is an exact snapshot of the Google Maps. Now I need to geo-reference it to ...
10
votes
3answers
18k views

How to calculate the optimal zoom-level to display two or more points on a map

We want to display several markers on a static map and want to calculate the optimal zoom-level like Google Maps does. We already calculated the bounding rectangle and the centerpoint of the map but ...
10
votes
3answers
11k views

What is a “mashup”?

GIS users mix spatial data layers from an early age of GI science. What is new in the concept of "mashup"? Is it something really new, or only a trendy word?
7
votes
4answers
3k views

Displaying/feeding US census/tiger data into Google Maps API?

Let's say I want to display age, income, etc based on census block groups on Google maps. How can I do this and also to allow simple queries?
7
votes
1answer
6k views

Output polygon data from postGIS and read it on Google Maps API

So, I have a group of polygons stored in PostGIS. I'm trying to build a web application with Google Base maps (using Google Maps API). Now, How do i output the polygons in the right format so that ...
7
votes
4answers
6k views

How to scrape data from a google map (in flash)?

I've contacted the author of this NYC homicide map from the NY Times several times to see if he could send me a spreadsheet of information the data is based off of, but I have not had any response (...
4
votes
1answer
4k 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 ...
14
votes
3answers
800 views

How are Google serving up their Styled Maps?

As we all know, Google changed web mapping when they introduced Google Maps. At the time of writing this, tiled maps are now the norm with web mapping. For example, with ArcGIS Server, you cache ...
11
votes
2answers
47k views

Can I view a Google Maps map by bounding latitude and longitude coordinates

With Google Maps I can enter a single lat/lng coordinate and the map is drawn with that lat/lng in the center. What I'd like to be able to do is enter two coordinate pairs, say the southwest ...
8
votes
2answers
113k views

Turning on map view in Google Earth?

I want to toggle between map view and satellite imagery in Google Earth like I can in Google Maps. Is there an easy way to add Map View to Google Earth?
8
votes
2answers
5k 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 ...
6
votes
2answers
5k views

Generate a kml file from Google results

Is it possible to generate a kml file of searched items in Google Maps. For example: Search for highschools in Virginia Return the results as a kml file with the schoolname address and location
5
votes
4answers
1k views

Where to host private CartoDB/Leaflet web app

I am looking for suggestions/recommendations on where to host my cartodb/leaflet map site. It needs to be private with authorized users and have a document management system. So, I was thinking ...
4
votes
2answers
4k 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 ...
12
votes
2answers
3k views

Drawing Day and Night on a Google Map

I'm looking to plot day/night on a Google map, for an arbitrary point in time. I'm familiar with generating map tiles; I'm just looking for an algorithm to tell me whether a particular point on the ...
8
votes
1answer
6k views

Using Drop Markers and MarkerClusterer together?

I want to create a rather visually appealing representation of time-series data (Costco Store Locations w/ opening dates). My idea was to plot them on a map, in time-series, but it seems that the ...
6
votes
3answers
4k views

How to toggle Fusion Tables layer on/off based on map scale?

In the Google Maps API v3 I'm displaying points derived from a Fusion Table by specifying a FusionTablesLayer Is it possible to set a minimum/maximum scale on this layer, so it turns off when zooming ...
5
votes
1answer
2k 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 ...
5
votes
1answer
19k views

Accuracy of Google Maps latitude and longitude?

I am making a program that uses GPS location preferably from smart phone, laptop works too and compares it to a building, the points you in its general direction. I am making this web application ...
4
votes
2answers
2k views

Determine tile identity of tile set displayed on Google Maps/OpenStreetMap

I'm not sure if this is best way of approaching this, so I will explain where I'm coming from first. I want to load data onto my webpage containing a map based off a lat/long point. The only way I ...
4
votes
1answer
488 views

geodjango slowness and debugging

I'm using geodjango + postgres to display polygons from tigerline on a map. Pretty simple stuff so far. My issue is that when I use the GPolygon object: django.contrib.gis.maps.google.GPolygon there ...
3
votes
2answers
3k views

How to use Google Maps geocoding with Openlayers?

I'm making a Openlayers map with some shapefile and I have Google Maps base layer. I want to create a text area and a button. When I input a address and click the button, the map should show me the ...
3
votes
1answer
2k views

Accessing Google Tile independent from their API in OL3 is possible for paying customer?

Using map from tile providers are common use-case in web mapping: overlaying internally-hosted WMS/WFS layer on top of Google Maps/OSM/Bing Maps. These are easy in OpenLayers 2. However, this feat -...
3
votes
2answers
2k 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 ...
1
vote
0answers
301 views

Google Satellite Imagery Offset in QGIS

I am using Google Satellite imagery as a base map to capture the vector data in QGIS 3.2.2 for past couple of months. Yesterday i noticed that the google imagery has offset issue in some locations ...
15
votes
2answers
5k views

How can I fix my complex Polygons so they show correctly in Google Maps?

Problem: I'm trying to find a way to fix some broken polygon shapes and I'm not sure how I can do this. Details: I've got a number of polygons which I basically imported from TIGERLINES a while back....
9
votes
9answers
24k views

Consuming Google Maps as background map through ArcGIS Server?

I am doing a (non commercial) project where the client doesn't have the budget for purchasing map data like that provided by TeleAtlas. They only need map data for a background map, and they'd like ...
6
votes
1answer
3k views

Coordinates of upper left corner in the world file?

According to Wikipedia and ESRI last two lines in the world file represent x and y coordinates of center of upper left pixel. Now, if I have a world file like this: 32.0 0.0 0.0 -32.0 691200.0 ...
6
votes
1answer
3k views

Add a OpenStreetMaps road data layer on Google Maps API v3

I've successfully embedded a Google Maps API v3 map on my site, and added OpenStreetMaps (OSM) as the base layer. Is it possible to use Google's tiles as the base layer, and then overlay street data ...
6
votes
1answer
1k views

Looking for Alternatives to Google gmaps utility widget for ArcGIS JSAPI API

I have been using https://code.google.com/p/gmaps-utility-gis/ as a solution to displaying Google imagery as a base layer on a ESRI JSAPI map. With the advent of JSAPI 3.4 and full AMD support this ...
5
votes
1answer
2k views

Google maps wms layer with 3857

I am adding wms layers to my google maps application. As Google Maps projection is a web mercator, I thought it would be better to request wms layers with srs=3857 (or equivalent) instead of the 4326. ...
4
votes
3answers
4k views

Can someone clear up a Google Maps/ArcMap lat/long issue?

I know a bit about lat/long, projected and geographic coordinate systems etc., and a bit about geodesy and datums, but I would like someone well informed to help me out. I have a lat-long in deg/min/...
4
votes
1answer
3k views

sharpmap overlay mapinfo on bing/google

I want to use sharpmap to overlay a mapinfo tab file onto google or bing. I have it working pretty much at the moment however the co-ordinates that bing/google show are in correct so my mapinfo file ...
4
votes
5answers
11k views

Cache tiles for offline use of Google/Bing aerial maps

I am currently working on a project where QGIS is used for creating and editing vector data and requires a Google or Bing aerial photo layer as a basemap. I can add Google satellite/Bing aerial ...
4
votes
4answers
5k views

QGIS OpenLayers 3 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 ...
4
votes
2answers
2k views

Openlayers - Vector layer polygon doesn't move in-synch with Google V3 baselayers

When a polygon is drawn on the map and the map is dragged, the position of the polygon relative to the GM V3 base changes. function init() { var map = new OpenLayers.Map('map'); var gsat = ...
4
votes
4answers
35k views

Select more than one place at a time in Google Earth?

I've got a Google Earth .kmz file opened in my copy of Google Earth 6.0.1.2032 running on Mac OS X 10.6.7. There are about 5000 points/"places" in the file and they show up fine. What I would like to ...
4
votes
1answer
5k views

Google Maps API: Is there a way to do proximity analysis to POI

Using Google Maps API can I do proximity analysis, for example: In a state, let's say Virginia, display all the points that are 500 ft/m from a POI such as McDonalds or Bob's Diner, 1,000 ft/m from a ...
4
votes
3answers
576 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 "...