In gis, querying for elements is the most basic operation and one of the most common operations.The following describes how to use arcgis api for flex to query what we need.To perform query operations in arcgis api for flex, you must first define a Query Task panel.Use the Url = "http://sampleserver1.arcgisonline.com/
Arcgis api for flex (6) identify
Identify is one of the most commonly used tools in GIS. In arcgis api for flex, esri provides
An Identify Task is provided to easily complete the identify function.
First, use the IdentifyComplete = "identifyCompleteHandler (event )"
Url = "http://sampleserver1.arcgisonline.com/
In arcgis api for flex, esri also provides the GP service for us
The services include CreateDriveTimePolygons and Viewshed.
The CreateDriveTimePolygons service is used as an example to see how to use GP in arcgis api for flex.
Service.
First, use the Address.
Url = "http://sampleserver1.arcgisonline.com/
\library\3.11\3.11compact\init.js file and replace the text with Notepad " [Hostname_and_path_to_jsapi]"is"xjulab:8080/arcgis_js_api/library/3.11/3.11compact/".Open D:\Program files\java\apache-tomcat-7.0.55\webapps\arcgis_js_api\library\3.11\3.11compact\js\dojo\dojo\ Dojo.js file, replace the text with Notepad with "[Hostname_and_path_to_jsapi]" for "xjulab:8080/arcgis_js_api/library/3.11/ 3.11compact/".5. Test InstallationHttp://xjuLab:8080/arcgis_js_api/library/3.11/3.11compact/init.jsHttp://
Element Recognition
Element Recognition is the identify in ArcGIS. The difference between it and the preceding query is that it can perform space Filtering for multiple layers and specify a certain degree of tolerance. The feature of Element Recognition is used in the "highlightfeatures" example of ArcGIS Android API. Let's first run this example:
Figure 28 Map
IIS.
It's light weight architecture and good for devices which has limited bandwidth like smart phones.
Responses is formatted by Web API ' s mediatypeformatter into JSON, XML or whatever format you want to add as a mediatypefo Rmatter.
To whom choose between WCF or WEB API
Choose WCF When do want to create a service that should support special scenarios such as one-to-do messaging, m
IIS.
It's light weight architecture and good for devices which has limited bandwidth like smart phones.
Responses is formatted by Web API ' s mediatypeformatter into JSON, XML or whatever format you want to add as a mediatypefo Rmatter.
To whom choose between WCF or WEB API
Choose WCF When do want to create a service that should support special scenarios such as one-to-do messaging, m
IIS.
It's light weight architecture and good for devices which has limited bandwidth like smart phones.
Responses is formatted by Web API ' s mediatypeformatter into JSON, XML or whatever format you want to add as a mediatypefo Rmatter.
To whom choose between WCF or WEB API
Choose WCF When do want to create a service that should support special scenarios such as one-to-do messaging, m
generate documentation for a Spring REST API. We also has explored ways to visualize and customize Swagger ' s output. TheFull ImplementationOf this tutorial can being found in the Github Project–this are an Eclipse based project, so it should being easy to import a nd run as it is. And, if you're a student of REST wi
http://www.dotnet-tricks.com/Tutorial/webapi/ Ji2x050413-difference-between-wcf-and-web-api-and-wcf-rest-and-web-service.htmlThe. NET framework has a number of techniques for creating HTTP service, such as Web service, WCF, and Web APIs. Here's a look at the difference:Web Service
SOAP-based and returns XML data.
Only HTTP protocols are supported.
, such as TCP, Named Pipes , or maybe even UDP (in WCF 4.5), and your also want to the support HTTP when all other transport channels is unavailable.
Choose Web API When you want to create a resource-oriented services over HTTP that can use the full features of HTTP (like URIs, Request/response headers, caching, versioning, various content formats).
choose Web API When your want to expose your servic
/css"href= "Http://serverapi.arcgisonline.com/jsapi/arcgis/1.5/js/dojo/dijit/themes/tundra/tundra.css">8 Scripttype= "Text/javascript"src= "http://serverapi.arcgisonline.com/jsapi/arcgis/?v=1.5">Script>9 Scripttype= "Text/javascript"> Ten One Dojo.require ("Esri.map"); A functioninit () { - - //Add a slider with no scale the EsriConfig.defaults.map.sliderLabel= N
/css"href= "Http://serverapi.arcgisonline.com/jsapi/arcgis/1.5/js/dojo/dijit/themes/tundra/tundra.css">8 Scripttype= "Text/javascript"src= "http://serverapi.arcgisonline.com/jsapi/arcgis/?v=1.5">Script>9 Scripttype= "Text/javascript"> Ten One Dojo.require ("Esri.map"); A functioninit () { - - //Add a slider with no scale the EsriConfig.defaults.map.sliderLabel= N
Arcgis api for flex advanced topic (2) Development of Custom Controls
Arcgis api for flex only provides two controls: Navigation and ScaleBar.
Describe in detail how to develop custom controls (or, maybe, I did not find them ),
The following describes my methods. To control the dynamic display of the current mouse long
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