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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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141 views

How does Google S2 / Hilbert Curve handle the outliers?

Regarding Google S2 library, it used for a quick indexing on locations. E.g. near by locations would have similar indices. Thus it's much easier to make location queries. But, as we map a 2-D point ...
4
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0answers
2k views

Add text in the body of the a polygon in googlemap

I've created some polygons on a map and wish to have the labels displayed with them .How can i add a name or label to each polygon in the google map?
4
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752 views

calculate total Miles in a polygon using Google Map

I have an application that allows the users to create any custom polygon layer on top of google maps, i am interested to know if their is a way to select the road layer in this polygon and then ...
3
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0answers
1k views

Using WMTS with Google maps Javascript API

I am trying to learn and play around with the Google maps JavaScript API, KML, WMS, WMTS etc. I have a fair understanding of how to use KML files, Web Mapping Services, GeoJson files but I am ...
3
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0answers
514 views

Convert coordinate to tile row and tile column in Google Maps when using custom projection

I'm trying to get Google Maps (javascript SDK) to use a different tile server that serves tiles as EPSG:3006. I'm using Proj4js to convert the coordinates. So far I have this code: proj4.defs("EPSG:...
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0answers
597 views

heatmaps with local maxima, weight, api functionalities

I am looking for a heatmap vizualization on a map, which shows: local maxima: that means that you always see some "red spots" regardless the zoom. See the picture below. enables to set a weight to ...
3
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0answers
176 views

How can I show photos in popup from a ByteA (postgis) in QGIS (or Google Earth/map)

I currently have a postgis database with a table containing point geometry of fire Hydrant. This table contains a raster_blob field which contains the Fire hydrant picture taken by field workers. ...
3
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0answers
416 views

Geocoding API: house number precision for Europe (Germany/Austria), other than google?

I am looking for an affordable geocoding option with the following criteria: commercial use <500$/month allows to store LatLng results in my DB house Number precision for Austria and Germany ...
3
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0answers
12k views

Can I use google maps navigation within my app

I am considering building an app which includes google maps. The app functions by tracking the GPS location of the vehicle and showing it to the respective user on the Android app with some additional ...
3
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0answers
128 views

Reverse clip with ogr2ogr

I'm fairly new to GIS, working on a project where I overlay counties on google maps, and overlay cities on top. I'm using fusion tables, and running into Z-index issues. To get around this I'm hoping ...
3
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0answers
2k 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 ...
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0answers
2k views

How to display ONLY local country names in google maps?

I am using google maps in an application where it is important that country labels display the country name in the local language. If you pass in certain language parameters that google maps ...
3
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0answers
414 views

How to display Google Fusion Table map search result attributes

I am creating a map with Google Fusion Tables that will allow me to search for a local food product and display on a map the retailer that carries it. Along with showing on the map the location of ...
3
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0answers
954 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.
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0answers
3k views

What alternatives do I have for Directions API other than Google Maps and MapQuest?

I need an API, other than the two below that, given the starting point and possibly the ending point, will re-order a list of waypoints by the shortest, fastest or optimized route: Google Directions ...
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0answers
1k views

Can Google Geocode returning addresses nearby

I am using google geocoding to bring me addresses according to what a user type on the search box in my iOS app. I would like to know if it is possible, lets say when the user types m google api ...
3
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0answers
610 views

Can markers changes undo through history/revert to original?

I'm a contributor to a food foraging map and found that many markers are in the ocean. I then also noticed that I had an undo at the top of gmaps and realised I'd moved 5 trees trying to get to my ...
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0answers
106 views

Can a Google calendar go on a map?

Can a Google calendar go on a Google map? Is there a GeoRSS that can be consumed?
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0answers
1k views

How to show information window for the marker cluster?

This is my markercluster code : i need information window for the markercluster icon as well as marker icon, i have another cluster.js file, can some one please tell me how can i show the information ...
3
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0answers
2k views

Overlaying a mbtiles tile layer produced with tilemill over another layer maintaining transperency

So using leaflet, I'm overlaying my base tile layer as google satellite imagery. I want to overlay another layer (Mbtiles layer) produced with tilemill over this satellite layer. I was successful in ...
2
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0answers
99 views

Rendering Google Terrain in QGIS Layout Manager

I am using the Google Terrain map (via XYZ Tiles). This seems to make the system very slow, and when making a .jpeg through the Layout Manager, the Google Terrain will not display (render) when ...
2
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0answers
172 views

How zooming Google Maps works regarding the new projection?

Please help understanding how tiles now work on Google Maps. As I understand (these are all assumptions, please feel free to correct) the following happens: Google Maps now work with orthographic ...
2
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0answers
1k views

Zoom Controls in google maps URL

I am building Google Map URL that will point few locations in the map I want to add Zoom control to the map so users can zoom in and out all the examples i saw were for java script and coding maps ...
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0answers
358 views

How to pull locations/data from an embedded Google map on another website?

Is there a way to download the point locations from an embedded Google map? I want to compare the locations of these businesses to a rail network.
2
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0answers
442 views

Is it possible to color the cluster base on marker color?

So far, I've been able to generate the marker color base on query from my MySQL DB. What I would like to attempt now is to cluster those markers with the dominant marker color. For example, if I ...
2
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0answers
204 views

SQL geography::EnvelopeAggregate output not accurate

I am trying to get the geography::EnvelopeAggregate for a set of locations. The geography column values are calculated using the Lat/Long for individual points. When I try to fetch the boundary box(...
2
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0answers
264 views

Changing default Google Maps max viewport?

I want to show a portion of the world of on my Google map, where the user can zoom in, but if he zooms out, he shouldn't be able to go further out than my default viewport (i.e, if I define Africa, ...
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0answers
60 views

Saving vector layer into KML across 180 longitude line

I am trying to save a vector layer into KML, however in this case some of the shape cross the 180 longitude line and the shape just breaks and become long lines.. (they are supposed to be circles) ...
2
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0answers
195 views

Marker cluster issue in salesforce

When i am trying to display the Marker Cluster on Google Maps with the below code it is trhrowing some errors. Please find below code and errors. <apex:page standardController="Account"> &...
2
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0answers
220 views

Google Maps (street, physical, satellite) layers stay fixed on zoom/pan in QGIS

I'm using QGIS 1.8 and Openlayers plugin 1.1.0 to work with Google Maps as basemap (I need to use this old versions for both QGIS and plugin). All was working OK, but from some days Google Maps (...
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0answers
9k views

How to download Google location timeline raw data (red dots)?

So I downloaded Google location timeline history. However, this data is represented as a polyline with just about a dozen time marks (Figure 2). At the same time when I look at the Google location ...
2
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0answers
395 views

KMZ file displays correctly in Google Earth but not inside Google Maps

I have a KMZ file that contains many placemarks inside. When opened in Google earth the file displays the placemarks correctly. I can click on them and see the data for each placemark. See screen ...
2
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0answers
77 views

Overlaying thousands of points of a route from shapefile and dbf on google maps

I have to overlay thousands of points(data taken every second) of a route from shapefile and related data for each points in dbf. I have to show point related data in a popup on click of a point. I ...
2
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0answers
109 views

SpatialPolygonsDataFrame chloroplethr not writing to KML for GoogleMaps using R

I'm trying to do a simple chloropleth map for postal codes. I have the orginal kml exported here. When importing into R, i'm doing: library(rgdal) library(rworldmap) library(plotKML) library(...
2
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0answers
385 views

TMS tileOrigin on Google Maps ImageMapType

I'm trying to show a tiled image layer on Google Maps, which is currently showing on an OpenLayers / ESRI engine. OpenLayers has a parameter on a TMS layer to specify tileOrigin (0,0 is different) ...
2
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0answers
11k views

How to load a WMS layer in Google Maps API?

I wanted to expand my knowledge on the google maps API and get a hang of pulling in WMS layers. I have set up a simple map window and want to pull in a layer that contains electorate boundaries so ...
2
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0answers
35 views

Accessing Layers Through an API?

So, I have reason to believe that this information is not available. Nonetheless, it involves using Android, and preferably the Google Maps API (though other maps may have APIs which supply this data, ...
2
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0answers
2k views

Convert GPX/KMZ to google maps directions

Is there a way to convert a set of waypoints in a GPX/KMZ file to driving directions suitable for Google Maps. There are numerous sites listing community generated routes which I am unable to load ...
2
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0answers
634 views

Geocode area/neigborhood into polygon vertices

I have been successfully using the Google Maps API using the R package ggmap to find location coordinates for e.g. addresses or city names. However, Google Maps now shows areas as well, indicating ...
2
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0answers
516 views

QGIS GeoSearch Plugin Issue

We are trying to use the QGIS GeoSearch plugin and intermittently receive issues with it. We know what the cause is and we wondered whether anyone else experienced this issue and had a solution? We ...
2
votes
0answers
2k views

Caching Google Map markers/coordinates

I have thousands of markers - I need to cache them and use show-hide tactics to only show like 100 markers at once but I have trouble with caching. Adding all single markers/points to an array and ...
2
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0answers
46 views

Tool to help us re-district?

I work for a mid-sized school district and we unfortunately have to close one of our school buildings. That means that the neighborhoods who've been sending their children to the school that is ...
2
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0answers
604 views

Changing Polygon shape on Zoom in and Zoom out in google maps using javascript

In my application iam using google maps v3, on page load with default zoom level of 15 i load few polygons by passing points(latlng coordinates) from database on the google map now my question is when ...
2
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0answers
206 views

Google Maps Licensing

Sorry if this isn't the right place to ask this, I've tried looking around for support forums and have found none. I had a question regarding the ToS of Google Maps/Earth, it can be found here: https:...
2
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0answers
336 views

How to get indoor directions by using Google API

I have a problem using Google Direction API to get the route between two points(One point is outside the building and the other is inside the building). When I use API to get the directions, only the ...
2
votes
0answers
340 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) ...
2
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0answers
706 views

Calculate the distances between n geographical points

First of all, I'm sorry if my question is stupid, but I'm totally new to the world of GISs and geographic measurements. I would like to calculate the distances between N (an arbitrary number, but ...
2
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0answers
2k views

How to get bounds coords by center LatLng point, width and height in pixels and zoom?

I have to calculate bounds coordinates to query mongodb box on server side to get data before google maps is loaded. How can I get four LatLng corners by center LatLng point, window width and height ...
2
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0answers
563 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 ...
2
votes
0answers
1k 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 ...