geocoding

问题 I would like to combine two datasets on a map in D3.js. For example: 1st dataset: spatial data in .json. 2nd dataset: Data to the areas in .csv --> When you hover on the map a tooltip should show a sentences with some data from the 2nd dataset. I am able to make the map and show a tooltip with data within the .json-file, but how do I insert the 2nd dataset? A new function within my function that creates the map? Do I have to take a completely new way? Should I merge the .json-file with my 2nd

问题 I have an App that does forward geocoding (get coordinates given address) to display a bunch of pins on an MKMapView . The app was developed well before iOS supported forward geocoding using CLGeocoder (first available in iOS 5). As such my app uses the Google Maps Geocoding API, which is generally very accurate. Given a full address with a street number it will generally give you the exact location of that address within a couple of metres. I'm doing some updates to my App to support iOS 6

问题 I found one way to send request: A Google Maps Geocoding API request takes the following form: https://maps.googleapis.com/maps/api/geocode/outputFormat?parameters where outputFormat may be either of the following values: json (recommended) indicates output in JavaScript Object Notation (JSON); or xml indicates output in XML To access the Google Maps Geocoding API over HTTP, use: But it's really inconvenient, is there any native way in swift? I looked into GMSGeocoder interface and only

问题 Is it possible, in an iPhone app, to extract location information (geocode, I suppose it's called) from a photo taken with the iPhone camera? If there is no API call to do it, is there any known way to parse the bytes of data to extract the information? Something I can roll on my own? 回答1: Unfortunately no. The problem is thus; A jpeg file consists of several parts. For this question the ones we are interested in are the image data and the exif data. The image data is the picture and the exif

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last year . I want to use geo coding services in my site which are the APIs available for this, Java based solutions will be preferred and I want to use this in a commercial project so please suggest appropriate options i.e. APIs which can be used in such projects freely.. Before asking this question I have tried searching on

问题 I know the browser shares my IP address and details of nearby wireless networks to determine my location, but what sort of info does it know about nearby wifi networks? For example, where I live are no public wireless networks, and from my home I can see about 5 private networks, yet my location is determined within 20 meters. With there being no open networks nearby, how does Google determine my location? The only way I can think of is that Google mapped the locations of all wireless

问题 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 7 years ago . Google offers a wonderful REST interface for geocoding and reverse geocoding an address. My API key is valid, and if I enter the request directly into

问题 Any clever ideas on how to generate random coordinates (latitude / longitude) of places on Earth? Latitude / Longitude. Precision to 5 points and avoid bodies of water. double minLat = -90.00; double maxLat = 90.00; double latitude = minLat + (double)(Math.random() * ((maxLat - minLat) + 1)); double minLon = 0.00; double maxLon = 180.00; double longitude = minLon + (double)(Math.random() * ((maxLon - minLon) + 1)); DecimalFormat df = new DecimalFormat("#.#####"); log.info("latitude:longitude

问题 How can I get latitude and longitude from a full address (street, city, etc.) input by the user, using the iPhone SDK 3.x? 回答1: Here's an updated, more compact, version of unforgiven's code, which uses the latest v3 API: - (CLLocationCoordinate2D) geoCodeUsingAddress:(NSString *)address { double latitude = 0, longitude = 0; NSString *esc_addr = [address stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSString *req = [NSString stringWithFormat:@"http://maps.google.com/maps/api

问题 I'm using Java and XStream to parse a google geocode request over http. My idea is to have an Address class with all the geocode attr's (ie. lat/long, city, provice/state etc) but I'm having problems parsing the xml with xstream. The google response is similar to this: <?xml version="1.0" encoding="UTF-8" ?> <kml xmlns="http://earth.google.com/kml/2.0"><Response> <name>98 St. Patrick St, Toronto</name> <Status> <code>200</code> <request>geocode</request> </Status> <Placemark id="p1"> <address