geo datasets

Discover geo datasets, include the articles, news, trends, analysis and practical advice about geo datasets on alibabacloud.com

JS new API Standard geo-location (navigator.geolocation)/////////zzzzzzzzzzz

. Coords.altitudeaccuracy: The accuracy of the provided height estimate in meters6. Coords.heading: The angle direction of the current movement of the host device, calculated clockwise relative to the north direction7. Coords.speed: The current ground speed of the unit in meters per secondPs:firefox also has the Address property, you can get the detailed addresses, but I get the address is wrong, using the method: Position.address.city, as follows:Address PropertyB) The callback function eg:func

Federated use of HTML 5, geo-positioning API

Find and track location coordinates for use in various WEB servicesIn the first part of this five-part series, you will be exposed to the most popular new technology in mobile WEB applications: geo-targeting. High-end smartphones have built-in GPS, and now you'll see how WEB services can use it. In this article, you'll learn how to use a variety of geolocation standards and how to use popular WEB services to create interesting mobile mashup programs.A

HTML5 Study notes geolocation (geo-location)

HTML5 geolocation (geolocation) is used to locate the user's location.Locate the user's locationHTML5 geolocation API to get the user's geographic locationThe user's location information is not available unless the user consents to the privacy of the user, given that this feature may be low.HTML5-Using geo-positioningPlease use the Getcurrentpositon () method to get the user's locationThe following example is a simple

Windows Server DNS Policy geo-location 1

give you a shot.At the beginning of the first chapter, the author will introduce the DNS policy in the location-based quarantine traffic access, I will design a scenario, assume that Contoso is a book company, respectively, in Dalian and Weihai with branch offices, the company has an office site, Dalian and Weihai employees need to visit, In the past through DNS polling to achieve load balancing, sometimes Dalian people often access to the server in Weihai, resulting in an access delay, in Wind

Get geo-location information

In HTML5, a new geolocation property has been added to the Window.navigator object, which can be accessed using the Geolocation API. The Geolocation property of the Window.navigator object has the following three methods.void GetCurrentPosition (onsuccess,onerror,options);This method is used to obtain the user's current geo-location information.Navigator.geolocation.getCurrentPosition (function (position) {},//When the user's

Use postgreSQL for geo-location-based Apps

Preface:The earthdistance () function in postgreSQL is used in the project to calculate the distance between two points on the earth. There is too little Chinese information. I found a good English article, hope to help those who will use earthdistance in the future.One or two available optionsWhen we want to use s as a GEO function, we usually have 2 options (as far as I know ): 1. PostGIS: Provides advanced GEO

Mobile Web--devices-geo-location

1. Geo-positioning1 navigator.geolocation.getCurrentPosition (function(where) {2 alert ( Where.coords.latitude + "," + where.coords.longitude); 3 })1 var geo = navigation.geolocation,2 function(where) {}, 3 function (){}; 4 geo.getcurrentposition (lcn_success, lcn_error);Watchposition occurs at time of positioning operation:1 Navigator.geolocation.watchPosition (function(where) {2 alert

How to use HTML5 geo-location features _jquery

HTML5 provides a geo-positioning function (geolocation API) to identify user locations, and we can develop location-based applications using this HTML5 feature. This article combined with examples to share how to use HTML5, with the help of Baidu, Google map interface to get users accurate location information. The positioning function (geolocation) is a new feature of HTML5, so it is only available on modern browsers that support HTML5, especially h

Build SQL Server AlwaysOn fourth from 0 (Configure geo-machine room nodes)

Tags: host prompt must always connect client backup Restore CLU causeThis article is the fourth to build SQL Server AlwaysOn from 0, which begins to build a node in an offsite room Note 1. Note It is best to have at least 2 nodes in the GEO node, or a quorum warning when a manual failover occurs on the local node, prompting the WSFC cluster to have an offline risk In the case where there is only one offsite node, although the WINDOWS2012R2 has a dyna

How to compile and install the Geo-IP support library software in CentOS

There is a GoAccess log analysis tool (installation method) in front of the old left, and you need to use the installation support Library before installing the tool, where you need Geo-IP, it is mainly used to analyze the countries and regions of log users. In general, direct yum installation can be achieved, but some default systems do not have the Geo-IP library file, we need to compile and install it se

html5-Geo-positioning

Geolocation: geo-Locate, get the geographic coordinates information (including longitude, latitude, altitude, movement speed) of the current browser, achieve LBS application (Location Based service)-based on positioning services, such as ordering, face-to XX, navigation, message push and so on. Official website: http://lbsyun.baidu.com/Technically how to get the geographic coordinates of your browser:(1) Mobile browser:The GPS chip can be used to comm

The effect of obtaining geo-location information based on HTML5

How to use the HTML5 geo-location feature The positioning function (geolocation) is a new feature of HTML5, so it is only available on modern browsers that support HTML5, especially handheld devices such as the iphone, which is more accurate in geolocation. First we want to check whether the user device browser supports geo-positioning, and if so, get geographic information. Note that this feature may viol

Python geo-data processing environment builds __python

A recent study on Python's geo-data processing related content. 工欲善其事, its prerequisite, Python the first step in geo-data processing is the setting up of the environment, which is described in detail below. 1. Install Python (https://www.python.org/)If you have ArcGIS installed, Python 2.7 is installed by default, or you can install Python 3.x (I am installing 3.5.4) as needed, and the current maximum

ArcGIS for Flex API version3.7 Tutorial: 6. Using Geocoder for geo-querying

Quick query of geographic locationThe Geocoder component provides a quick, geographically-based query that can be queried to display the geographic location of a map by entering an address by adding a query input box. Using Geocoder to move the map display to the specified location area is faster than panning and blooming maps. This feature requires the use of the locator service (location services).Prerequisites:* Adobe Flash Builder 4.5.1 and later* Used ArcGIS API for Flex is 3.2 and later1 n

iOS Location Services and map development (2)---geo-information anti-coding

In the previous section we obtained longitude and latitude values by positioning, but it is difficult for the average person to understand these figures.Geo-Information anti-coding: is based on these latitude and longitude to return the location of the relevant text description information , these text description information is encapsulated in the Clplacemark class , we call this class "Landmark" class.Geo-Information anti-coding is implemented using the Clgeocoder class, which enables the conv

leica.liscad.v12.0 1cd+geo Office V6.0-iso 1CD

leica.liscad.v12.0 1CDLEICA Geosystems Products:leica.cyclone.v6.0.4 1CD (Leica three-dimensional laser scanning)Leica.photogrammetry.suite.v9.1-iso 1CD (digital photogrammetry and Remote sensing processing)LEICA Geo Office V6.0-iso 1CDERDAS Imagine v9.1-iso 1CD (Remote sensing image processing system developed by Leica Corporation, USA)ERDAS. Imagine.v8.7.with.lps.v8.7-iso 6CD (space image processing software)ERDAS. stereo.analyst.v1.0 (Stereoscopic

iOS geo-Information anti-coding

By positioning we can get latitude and longitude, and geo-coding can return the relevant textual description of a place by geographical coordinates.These descriptions are encapsulated in the Clplacemark class, and its properties are:1) addressdictionary, Geographic Information dictionary2) Isocountrycode,iso Country code3) country, national information4) PostalCode, zip code5) Adminisrativearea, Administrative Region information6) locality, specify Ci

Metric system server-side file local geo-differential backup (incremental backup) script example

/h/r/k/y>>%logfilename%echo END COPY (%date%%time%):%sourcedir% to%destdir% >>%logfilename%echo ***************************************** >>%logfilename%REM * Delete Geo map *******************************************REM ************************************************************REM * Net use U:/deleteREM ************************************************************@echo onExitOriginal address: http://bbs.delit.cn/thread-298-1-1.htmlReprint please spe

Update the user's geo-location information updateusergeography

PostRequest{ "Action":"updateusergeography", "Isdebug":1, "token":"2f2c5be1-321c-4357-aff6-8a3b822ddd01", "RequestData": { "Provinceid":310000, "Cityid":310100, "Areaid":310104 }}View CodeResponse { "Data": { "Appuserkey":NULL, "Locationprefix":"Xuhui District, Shanghai municipal districts" }, "msg":"Success", "Responsecode": { "Msgcode": $, "Msgdetail":"OK" },

German map: Geo/Inverse geocoding

German api:http://lbs.amap.com/api/webservice/guide/api/georegeo/Http://restapi.amap.com/v3/geocode/geo?key=7de8697669288fc848e12a08f58d995es=rsv3city= , Hangzhou Address= Modern Building, No. 87th Tiancheng Road, Hangzhou, ChinaThe key on the side is the key that is open to others, and it feels good to use it. Basically there is no big limit, using the top interface to get latitude and longitude is basically 100% successful, but this coordinate syste

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