Real-Time GIS Using SignalR and JSAPI - Esri DevSummit 2013

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Demo of a proof-of-concept for using the SignalR library with the Esri JavaScript API to provide front-end real-time functionality. Source code for this project is available on GitHub https://github.com/AmrEldib/RealTimeGisWithSignalR More info are on my blog http://www.AmrEldib.com You contact me on Twitter @AmrEldib

Technologie

REAL-TIME GIS USING
SIGNALR AND JSAPI
A PROOF-OF-CONCEPT

AMR ELDIB
Esri Canada
Esri International Developer Summit 2013
Technical Sessions
#DevSummit March 28, 2013 8:30am – Palm Springs Convention Center

WHO DOESN’T LIKE COMMAND CENTERS

William Shatner as Captain James T. Kirk commanding the bridge of the USS Enterprise Star Trek during the third season (1968–1969)

THESE GUYS DON’T

Chris O'Dowd as Roy Trenneman, Richard Ayoade as Maurice Moss, and Katherine Parkinson as Jen Barber from the British TV show “The IT Crowd”

COMMAND CENTERS TODAY

Anton Yelchin as Pavel Chekov, Chris Pine as Captain James T. Kirk, and John Cho as Hikaru Sulu from the 2009 J. J. Abrams’ Reboot of StarTrek

COMMAND CENTERS TODAY

Just some cubicles with computers.

SIGNALR

 Incredibly simple to add real-time.

 Start with WebSockets, and gracefully fallback to other technologies
when it’s not available.

WebSockets > Server-sent Events > Forever Frame > Long Polling

 Existing SignalR Samples
 Jabbr a Chat Server.
 ShootR a Multiplayer Shooter Game.

HOW IT WORKS
Inherits Microsoft.AspNet.SignalR.Hub

Public methods are callable from client

Clients.All.myFunction

Override event handlers to handle clients
activities
(connecting, disconnecting, etc.)

var proxy = $.connection.myHubClass

proxy.client.myFunction = myFunction

proxy.server.myMethod

SHOW ME THE CODE

Callable
from Inherits SignalR.Hub
client-side

Calling client function

SHOW ME THE CODE
Client- Reference to Proxy
function
callable
from
Server

Connection ID

SEE IT IN ACTION

Click the screenshot to play video

SCENARIOS

CLIENT-TO-CLIENT SERVER-TO-CLIENT

THANK YOU
AmrEldib.com

bit.ly/GisSignalR

@AmrEldib

bit.ly/FreeSignalRBook
Esri International Developer Summit 2013
Technical Sessions

All trademarks are copyrighted to their owners.

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Real-Time GIS Using SignalR and JSAPI - Esri DevSummit 2013

1. REAL-TIME GIS USING SIGNALR AND JSAPI A PROOF-OF-CONCEPT AMR ELDIB Esri Canada Esri International Developer Summit 2013 Technical Sessions #DevSummit March 28, 2013 8:30am – Palm Springs Convention Center

2. WHO DOESN’T LIKE COMMAND CENTERS William Shatner as Captain James T. Kirk commanding the bridge of the USS Enterprise Star Trek during the third season (1968–1969)

3. THESE GUYS DON’T Chris O'Dowd as Roy Trenneman, Richard Ayoade as Maurice Moss, and Katherine Parkinson as Jen Barber from the British TV show “The IT Crowd”

4. COMMAND CENTERS TODAY Anton Yelchin as Pavel Chekov, Chris Pine as Captain James T. Kirk, and John Cho as Hikaru Sulu from the 2009 J. J. Abrams’ Reboot of StarTrek

5. COMMAND CENTERS TODAY Just some cubicles with computers.

6. SIGNALR  Incredibly simple to add real-time.  Start with WebSockets, and gracefully fallback to other technologies when it’s not available. WebSockets > Server-sent Events > Forever Frame > Long Polling  Existing SignalR Samples  Jabbr a Chat Server.  ShootR a Multiplayer Shooter Game.

7. SIGNALR OPEN SOURCE SUPPORTED

8. HOW IT WORKS Inherits Microsoft.AspNet.SignalR.Hub Public methods are callable from client Clients.All.myFunction Override event handlers to handle clients activities (connecting, disconnecting, etc.) var proxy = $.connection.myHubClass proxy.client.myFunction = myFunction proxy.server.myMethod

9. SHOW ME THE CODE Callable from Inherits SignalR.Hub client-side Calling client function

10. SHOW ME THE CODE Client- Reference to Proxy function callable from Server Connection ID

11. SHOW ME THE CODE

12. SEE IT IN ACTION Click the screenshot to play video

13. SCENARIOS CLIENT-TO-CLIENT SERVER-TO-CLIENT

14. THANK YOU AmrEldib.com bit.ly/GisSignalR @AmrEldib bit.ly/FreeSignalRBook Esri International Developer Summit 2013 Technical Sessions All trademarks are copyrighted to their owners.