Google Maps is a web mapping service application and technology provided by Google free (for non-commercial use),
2
votes
2answers
2k views
Calculate bearing between two decimal GPS coordinates
I'm building a virtual tour application that uses custom panoramas in conjunction with Google's StreetView service. With StreetView, you can have 1 to n links at each particular location to move to, ...
2
votes
2answers
659 views
OpenLayers with Google, Bing & MapQuest - Does it violate the terms of service?
to my understanding, you are not allowed to use the Google Maps API to display Google and Bing maps (Layer Toggle) (From the terms of service). However, I'm unclear if I can have an OpenLayers map ...
2
votes
2answers
3k views
Integrate MarkerClusterer with Google Map V3
I'm having trouble getting the MarkerClusterer into my current Google Map (which has taken a long time to get this far!!). How can I combine the two? I'm using V3 of the api.
Here's the example I'm ...
2
votes
2answers
508 views
are there any shapefiles for a simple road network of the UK that are similar to what you would find on google maps?
I wish to add a shapefile to ArcMap that displays a road network which is similar to what you may find on google maps. I dont require a detailed ordnance survey map, just the roads
2
votes
1answer
60 views
St_buffer width issues
I am using postgres with postgis for spatial data and ArcGIS for visualisation. I am really confused regarding what units the st buffer function uses because when I insert just the value 1 as ...
2
votes
2answers
225 views
How to pull lat/lng from a map canvas and update a database
So if i want to pull out lat/lngs after user clicks on a map canvas (lat/lngs are pulled using any javascript API (leaflet, wax etc.) and add this to a postgresql database using a query, how do i do ...
2
votes
1answer
1k views
Getting Started with Map Server 6 and Google Maps
I'm relatively new to GIS, but what I'd like to do is display map layers on top of Google Maps.
From what I understand, mapserver provides the tiles that can be overlaid onto a Google Maps page.
I'm ...
2
votes
2answers
1k views
Printing maps from OpenLayers with a Google Maps base layer
I need to implement an automatic pdf report generator on a web site. In the generated pdf file I need to insert images from maps extracted from OpenLayers with a Google Map base layer.
On top of ...
2
votes
4answers
2k views
GIS newbie, How to georeference a jpeg metro map using OSS?
I have a metro map in jpeg format and I want to georeference it. My goal is to find GPS location of the metro stops and visualize them on google maps. Probably, the first step is to overlay the map ...
2
votes
3answers
431 views
Google Earth alternate tile set
I have a Google Maps compatible tileset running on a local server and I can browse this in a browser with the Google Maps API and OpenLayers. Can I force Google Earth to use this tileset so I can ...
2
votes
2answers
475 views
Link to google maps ignores url parameters for streetview
I have a web site where I need to generate link to Google Maps in Street View mode. I have available the coordinates to generate the URL.
When I try this URL in a desktop browser, it does what I ...
2
votes
3answers
2k views
How to display 33k placemarks with custom symbols/labels?
I want to overlay address numbers on our embedded Google Map (V3 api). Even though the KML is under 2 MB, it exceeds the 1,000 feature limit; there are over 33,000 placemarks.
Fusion tables solve ...
2
votes
1answer
161 views
Simple GIS to Provide Urban Boundaries
I have an app built on top of Google Maps right now and everything works great.
I want to add one feature that seems exceedingly difficult. On my site, I want users to be able to type "Boston, MA" or ...
2
votes
3answers
696 views
Why are the tile coordinates different in Google maps and Google earth?
I have a .NET application that typically uses the standard Google Maps JavaScript API V2. Within this application I am using a GTileLayerOverlay to add my own custom dynamic tile layer.
function ...
2
votes
2answers
209 views
Choosing an aggregation strategy that will be spatially represented on a google map
I'm under an NDA so I cannot really get into specifics of what I am doing. But, suffice to say, I am taking a large amount of spatially-acquired data and drawing this data onto a Google Map surface ...
2
votes
2answers
2k views
ARC GIS 10 + Google Maps API
Assalam o Alaikum
I am new ARC GIS, is it possible to create a website that uses Google Map API but imagery from the ARC GIS 10 REST service?
Actually, I like the functionalities provided by the ...
2
votes
2answers
182 views
Is there a way to populate a spreadsheet of city names with their latitudes and longitudes from Google Maps or some other service?
I have a long list of cities in the United States, and would like to get the coordinates for each city without looking up each one individually. Is there a way to do this?
2
votes
2answers
305 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 ...
2
votes
1answer
434 views
Google Maps/ OpenLayers only rendering top left tiles
I'm seeing a weird issue with Google Maps and OpenLayers. When loading a page as shown below, only the two top-left tiles render, leaving the rest of the map blank.
I looked in the Network tab in ...
2
votes
3answers
2k 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 ...
2
votes
1answer
792 views
How do I use WMS in mapinfo 10.0?
Is there any way that I could use google maps or bing map or other free map provider as WMS?
2
votes
1answer
338 views
Rendering 3D timezones KML on a 2D map
I'm trying to render a KML layer (with timezones) in Google Maps API v3. The KML layer works fine in 3D (in Google Earth), but when I render it in 2D, the timezone lines that meet at the North Pole ...
2
votes
1answer
343 views
GGeoXml error with Arcgis extension for google maps api
I'm using the ArcGis google maps extension.
I've created a simple page based on the esri example here...
I have successfully buffered a polyline, however, when I create a query and execute the ...
2
votes
2answers
154 views
About google map licensing
We are having a client which is looking to develop a service provider directory , which will be provided free of cost to end users nothing commercial for end users they can use it with out any ...
2
votes
2answers
119 views
Is there a geo-fence map of Apple's or Google's reverse geocoding?
Is there a map that shows how lat/long maps to locality/county/sublocality/subadmin and possibly covered area?
2
votes
1answer
61 views
erratic behavior in google maps kml
I have created a kml file with around 300 place markers. When I try to display the kml by typing the address in the maps search bar, the map seems to behave erratically:
- If I click on the marker ...
2
votes
2answers
144 views
To import bulk data in google fusion table
I want to import bulk data into fusion table . What is the best data format should I use to import data i.e JSON ,CSV .
If I want to import data in JSON format how can I do it since on google help ...
2
votes
2answers
205 views
How to use fusion tables to query data
I have two datasets on fusion tables. One is a points layer (libraries) and the other is a polygon layer (land parcels). How do I design a query using Google Maps/fusion table to figure out this ...
2
votes
1answer
239 views
Find the nearest geo point
I have a gps device that does not output very accurate gps positions.
How can I round those coordonates so that they will match the street course and not buildings etc ?
I want to draw a route on ...
2
votes
1answer
188 views
How can I use tiles in an ArcGIS .tpk file with Google Maps?
ArcGIS can export a map as server tiles as a compressed folder with the extension .tpk, as described in the ArcGIS documentation.
However, it is not clear how I can get Google maps to read these ...
2
votes
1answer
646 views
OpenLayers: add a listener to a single polygon
I want to add a listener to a single polygon. Currently, I am trying to add one that makes a polygon opaque when you click on it, but I should be able to add any general listener. OpenLayers.Layer has ...
2
votes
2answers
685 views
Image tiling math
I've been looking at MapTiler for the logic on how to render an image
as tiles on a (google) map. Instead of storing the single tiles
locally in a folder structure I want to use Djatoka. I'm able to
...
2
votes
2answers
1k views
Retrieving Google Map data into Matlab to plot points
First of all, I hope this question isn't too basic, obvious or inappropriate for this forum. I'm very new to using map data. I'm working on a project on more accurate map routing using Matlab.
My ...
2
votes
3answers
128 views
Best program for crowd-sourced polygons on Gmaps
Looking for a way to crowd-source polygon creation on GMaps (in a wiki environment) that doesn't involved ESRI's expensive server software.
Requirements:
- a bunch of different wiki pages can be ...
2
votes
1answer
280 views
How to generate a grid of horizontal equal-area rectangles in a Mercator projection?
I'm new to GIS so pardon my ignorance and bear with me. I'm generating a grid relative to a LonLat point. To make the cells all equal area, I'm creating it in 2163 projection. The problem is that when ...
2
votes
1answer
734 views
Geowebcache does not displaying map tiles in EPSG:900913 from a remote WMS server
I connect Geowebcache to a remote WMS service through their Getcapability request by adding the url in geowebcache-servlet.xml document. Geowebcache demo page displays the list of wms layers from ...
2
votes
1answer
1k views
Add a polygon to PostGis from Google Maps
i have some experience with Google maps api, I have an app and currently calculate nearest points to locations via distance functions (great circle) and having a lot of waypoints on MySQL.
I want to ...
2
votes
1answer
87 views
Understanding the difference between coordinates projection in OSM and Google Maps
I'm looking at the coordinate differences between Google Maps and OSM. I'm a noob in the technicality behind GIS.
Having read:
EPSG 3857 or 4326 for GoogleMaps, OpenStreetMap and Leaflet
How to ...
2
votes
1answer
188 views
Google Map API Drag event..?
The below code is working perfectly on click event to retrieve Lat/Long and Current Zoom level. How do I get the same when I hover mouse/drag on map Window (not on submit button)?
<!DOCTYPE ...
2
votes
1answer
1k views
Arrowhead in polyline google map v3
I would like to create a map, that shows a vehicle traveled path. The map should shows arrowhead for each turning.
I need to show the map like this.
I can create the map by following code
var ...
2
votes
2answers
223 views
Accessing KML for Google Map API using Google Fusion Table
I am trying to host my KML file on fusion table so that I have dynamic control over my KML file and I am trying to access same as in public URI as an parameter in the Google Map Java Script .
I am ...
2
votes
1answer
203 views
Software for building non-overlapping sets of polygons?
We have multiple populations of patients spread out over geographic distances. For each population, we want users to easily define non-overlapping polygons. The outer borders are likely to be U.S ...
2
votes
1answer
531 views
Problem with layer order in OpenLayers and Google styled maps
I'm using OpenLayers with Google styled maps. My biggest problem is KML polygon layer which needs to be under roads layer but it isn't (see prtscr). What am I doing wrong?
This is my coding:
...
2
votes
2answers
583 views
Map resize displays google layer at incorrect zoom level
This is a screenshot of the icons in the wrong position due to the google layer showing the wrong zoom level.
This is how it should look, and how it does look after the user pans the map.
How does ...
2
votes
1answer
605 views
How to insert google maps lat/lng into postgis in geometry datatype
I came across:
https://developers.google.com/maps/articles/phpsqlinfo_v3
I've changed the code a bit and all process is well done for postgis database. I get the data from infobox when user clicked.
...
2
votes
1answer
360 views
Set ZIndex for Google Fusion Tables in Google Maps API
Is there any way to set the ZIndex of a Google Fusion Table layer in the Google Maps API? I have several Fusion layers added as overlays to a map with the ability to turn them on and off. I want ...
2
votes
4answers
4k views
How to use Google Maps V3 Geocode with Openlayers
How to use Google Maps V3 Geocode with Openlayers. Below is my code but the function does not execute when I try to integrate it with Openlayers. This works with my original google v3 file. Below is 2 ...
2
votes
2answers
408 views
Is it possible to do scale dependent rendering in Google maps with KML?
I have some data that I would like to display in greater detail as the user zooms into the interactive Gooogle map. Does google support dynamically turning layers on and off depending on the scale?
...
2
votes
1answer
614 views
How to use Google's Distance matrix on server side?
I am developing a web application wherein i need to find the closest
bus-stop from a users location and mark it on a map. I have the list
of bus-stops on my server. I am using Google's Distance Matrix ...
2
votes
1answer
645 views
Is it possible to export a layer with a related table to kml/kmz and view related data in Google Maps?
I have a polygon shapefile with a related table in ArcGIS 10. When I use the "Layer to KML" tool to export the shapefile and then load it into Google Maps, it doesn't see the related data. I would ...
