google-maps

How does Google Maps work?

What is the name of the technology behind Google Maps which allows the server to send only the part of the map requested from the user to enhance the performance, and is there any library to handle this? ...

Access KML placemarks in a Google Maps overlay via Javascript?

I have a KML file overlay on an embedded Google Map using the GGeoXml object. I'd like to be able to access specific placemarks in the KML file from Javascript (for example to highlight a selected polygon on the map in response to user action). Ideally what I'd like to do is something like this (pseudo-code): geoXml.getPlacemarkByNam...

Is there a way to place a pin into the google maps iphone app using openURL?

I would like to create an iPhone app that can open the google maps app and place a pin on the map. I have the exact location of the pin, specified by its longitude and latitude. I also have a name for the pin e.g. 'location 1' that should be displayed along with the pin. I know that UIApplication:openURL can be used for this but I don'...

Google Maps API - GMarker.openInfoWindowHtml() stopped working

I have a Google Map that suddenly stopped working for no apparent reason (I hadn't touched the code for months, but the wrapper code from our CMS may have changed without Corporate telling me). http://www.democratandchronicle.com/section/builder (sorry about the nasty HTML outside the map, most of that comes from our corporate parent.....

Scalable google maps overlay

Is it possible to add an image overlay to a google map that scales as the user zooms? My current code works like this: var map = new GMap2(document.getElementById("gMap")); var customIcon = new GIcon(); customIcon.iconSize = new GSize(100, 100); customIcon.image = "/images/image.png"; map.addOverlay(new GMarker(new GLatLng(50, 50), {...

Is there an easy way to plot Polyline Area, i.e. service coverage area, and also check to see if visitor's address lies within that area using Google Maps API and PHP?

Hello. I am the owner of a business that is building a new website application. My partner is the programmer who is doing the development and neither one of us has any real in-depth experience with Google Map API or it's polyline/polygon area capabilities. We need an easy way to capture inputs within our user admin area where our locati...

Best (or any) way to programmatically screen grab a Google Street View panorama

As the question implies, I'm looking for a way to programmatically screen grab a given panorama, I.E set a longitude and latitude and POV (pitch, yaw and zoom) and save the grab to the server. So far the most promise has been shown by Using .net to control the google earth com api (http://earth.google.com/comapi/index.html), however I...

custom google maps application on which a placemarker moves over the map at locations given to it at intervals--possible?

Hi, I want to know if i can create a custom google maps application,on which a placemarker continuously moves over the map accordingly as its latlongs are changing. If yes...what technologies shall i be using for such a webapp?? can this be done with .NET....Ultimately if this is possible,i will have to use this webapp on RHEL5 OS. Sec...

Google Maps Bubble Templates

Googling has been difficult because I can't get results specific enough - wondering if my fellow SO-ers have any insight. Are there any handy CSS/HTML templates out there to make inserting content into a google maps bubble easy? I'm throwning together a quick-n-dirty mashup and wanted to avoid spending time styling manually if I can avoi...

What's the best Street Address Search service?

I'm impressed with the simplicity of Microsoft's Virtual Earth Street Address search service. My requirement is to type rough address info with no comma separators into a simple text box, press a find button, wait a few seconds and then observe a result picklist. I mocked up something here using the virtual earth SDK. Does Google Maps...

SOAP - Google Maps and Javascript - Connecting to a webservice

I need to connect to an asmx webservice using javascript. the webservice accepts and returns a soap response. im looking for an example bit of code of how i can connect to the webservice using javascript. it returns lat and long details which i'll then use to plot markers on a google map. i also have the issue of cross domain scripting.....

Getting the GMarkers that have been added to a Google map?

Is there a way to get a list of all the GMarkers that have been added to a map? ...

How can I show some shapefile / Well-Known-Text data on Google Maps / MS Virtual Earth?

Hi Folks, I have some shapefile (demographic/heat map data in the USA, such as crime in New York) data imported into a sql server 2008 database, field data type: Geography. How can i get this data, from a select query, in a format which i can then display on google maps or microsoft virtual earth? thanks! Edit 1: So far, the best sol...

Javascript Scope Error

I'm currently working on a Google Maps project and am implementing a search function. In my search function I'm trying to have content on the side listing which search makers that were just added to the map correspond to each hall. However in assembling this string I run into a problem where my side_bar_html variable will not output if I...

Increase the maximum zoom level of a Google map

How would I go about creating a Google map that allows the user to zoom beyond the default zoom levels for the map? Would I have to create a new map type that has a greater maximum zoom? Are there any tutorials out there that show how to do this? ...

Survey of GIS Programming

How many programmers on this site work with GIS? What middleware do you work with? ESRI? Mapguide? Google? What kind of projects do you work on? Are you focused on web work, making desktop applications or intranet projects? What kind of industries do you work in? ...

loading javascript dependencies on demand

I'm sure there are different approaches to this problem, and I can think of some. But I'd like to hear other people's opinion on this. To be more specific I've built a widget that allows users to choose their location from a google maps map. This widget is displayed on demand and will probably be used every 1 out of 10 uses of the page w...

Determining zoom level from single LatLong in Google Maps API

Hi all, I'm having some trouble with the Google Maps API; I want to determine a LatLong for a certain place (for example, from the name of a city), then focus my map on it. The LatLong part is working, and so is centering the map on that point. However, I cannot figure out how to determine what a good zoomlevel might be when I only have...

GoogleMaps getLatLng Did you mean suggestion

I am trying to integrate the function into a map where you can enter an address and it puts a marker on the map. But with Google Maps getLatLng if there is a slight error in the name of the address it doesn't work anymore is there a did you mean function? ...

Is there a way to get the users location without having the user install Google Gears?

I don't want to have the user install Google Gears so I can show him his guessed location. Is there a way to get the location without having to use Google Gears? I have found http://www.wipmania.com/de/blog/google-geolocation-api/ but it does not offer an example. ...