rj sunderman product engineer geoevent extension product team [email protected] mark bramer senior...
TRANSCRIPT
![Page 1: RJ Sunderman Product Engineer GeoEvent Extension Product Team rsunderman@esri.com Mark Bramer Senior Technical Analyst Esri Professional Services mbramer@esri.com](https://reader036.vdocuments.site/reader036/viewer/2022081503/5697c0151a28abf838ccda0f/html5/thumbnails/1.jpg)
RJ SundermanProduct EngineerGeoEvent Extension Product [email protected]
Mark BramerSenior Technical AnalystEsri Professional [email protected]
Real-Time GIS:Leveraging Stream Services
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• If you have downloaded these slides and are viewing them on your own computer, please view the slides in “Slide Show” mode. There are animations in the slides that replicate demo-like workflows
• If you do not view in slide show mode many slides will appear cluttered and unintuitive when all of the slide’s graphics appear at once.
![Page 3: RJ Sunderman Product Engineer GeoEvent Extension Product Team rsunderman@esri.com Mark Bramer Senior Technical Analyst Esri Professional Services mbramer@esri.com](https://reader036.vdocuments.site/reader036/viewer/2022081503/5697c0151a28abf838ccda0f/html5/thumbnails/3.jpg)
• What are stream services?- How are stream services different from traditional feature services?- What are some advantages to using stream services?
• What are stream layers?- How are stream layers added to a web map?- How can stream layers be used to support real-time spatial analytics?- How can real-time web maps be incorporated into a web application?
Leveraging Stream Services
In this presentation:
![Page 4: RJ Sunderman Product Engineer GeoEvent Extension Product Team rsunderman@esri.com Mark Bramer Senior Technical Analyst Esri Professional Services mbramer@esri.com](https://reader036.vdocuments.site/reader036/viewer/2022081503/5697c0151a28abf838ccda0f/html5/thumbnails/4.jpg)
• We expect that you know and have probably used:- Web maps and feature layers in web maps
• This presentation will demonstrate and discuss:- How stream services are published using the GeoEvent Manager- How stream services are discovered in the ArcGIS REST Services Directory- Advantages stream services provide vs. traditional feature services- Support for stream services available in the 10.3 and 10.3.1 product releases
Leveraging Stream Services
This is a beginner level technical workshop
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What are Stream Services
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Publishing a real-time data feed
Demo – Stream Services
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ArcGIS Server
DesktopWeb Device
GeoEvent Extension
Real-Time GISIntegration and exploitation of streaming data
• Integrates real-time streaming data into ArcGIS
• Performs continuous processing and real-time analytics
• Sends updates and alerts to those who need it where they need it
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Real-Time GISIntegration and exploitation of streaming data
• Integrates real-time streaming data into ArcGIS
• Performs continuous processing and real-time analytics
• Sends updates and alerts to those who need it where they need it
ArcGIS Server
GeoEvent Extension
DesktopWeb Device
Stream Service
Stream Layer
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Two patterns of Real-time GIS
Stream services vs. traditional feature services
• Feature layers pull from feature services- Web apps poll to get periodic updates
• Stream layers subscribe to stream services - Web apps subscribe to immediately receive data
- Low latency and high throughput
GeoEvent Extension
ArcGIS Server
YourApplications
YourApplications
Stream Layer
Map ServicesFeature Services
Feature Layer
feature layersfeature layers
Update a FeatureAdd a Feature
EGDB
Polling(Pull)
Stream Services
Send Features to a Stream Service
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Two patterns, two important differences
Stream services vs. traditional feature services
• Feature services persist their data in a Geodatabase
• Stream services broadcast their data without first persisting the data
GeoEvent Extension
ArcGIS Server YourApplications
YourApplications
Stream Layer
Map ServicesFeature Services
Feature Layer
feature layersfeature layers
Update a FeatureAdd a Feature
EGDB
Polling
(Pull)
Stream Services
Send Features to a Stream Service
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Publish your stream service as part of configuring your GeoEvent output
Stream services are published using the GeoEvent Manager
• Check to make sure you have specified the correct GeoEvent Definition …
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Publish your stream service as part of configuring your GeoEvent output
Stream services are published using the GeoEvent Manager
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• Your event definition will be part of the stream service you publish
• Click ‘Publish Stream Service’
Publish your stream service as part of configuring your GeoEvent output
Stream services are published using the GeoEvent Manager
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Publish your stream service as part of configuring your GeoEvent output
Stream services are published using the GeoEvent Manager
• Optional store latest (uses feature service)
• Click ‘Publish’
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Publish your stream service as part of configuring your GeoEvent output
Stream services are published using the GeoEvent Manager
![Page 16: RJ Sunderman Product Engineer GeoEvent Extension Product Team rsunderman@esri.com Mark Bramer Senior Technical Analyst Esri Professional Services mbramer@esri.com](https://reader036.vdocuments.site/reader036/viewer/2022081503/5697c0151a28abf838ccda0f/html5/thumbnails/16.jpg)
• Click the service to open its REST specification page…
Logging is as an administrator will expose additional capabilities such as publishing content to the stream
Stream services are discoverable in the ArcGIS REST Services Directory
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• Click the JSON link to view a more complete specification of the service…
• Click the Subscribe link to jump to an HTML page and see the JSON being broadcast by the service…
Stream services are discoverable in the ArcGIS REST Services Directory
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Stream services broadcast Esri Feature JSON
Subscribe to view JSON broadcast by the stream service
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Stream services are started, stopped, and configured using ArcGIS Server Manager
Stream service administration
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Click to view stream service content in a java script web map
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What are Stream Layers
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ArcGIS Server
Feature serviceFeature service
Stream LayerWhat is it?
• A layer in the Javascript API- Available since version 3.6
• Draws data on map using client-side graphics
Stream Layer
GETHTTP PUSHWeb
Socket
esri/layers/GraphicsLayer
esri/layers/FeatureLayer
esri/layers/StreamLayer
ArcGIS Server
GeoEvent Extension
RESPONSE Geometry• Attributes• Symbol
Graphic
Graphics Layer
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Locating the International Space Station
Demo – Stream Layers
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Stream layerThe lifecycle of a stream layer
Stream Layer (Constructor) new StreamLayer( featureCollection, options )
FeatureCollection: { layerDefinition: { geometryType: esriGeometryPoint, timeInfo: { startTimeField: “StartTime”, trackIdField: “Name” }, fields: [ … ] }, featureSet: null }
• Options• webSocketUrl:
ws://gep:6180/urlpath• purgeOptions:
{ displayCount: 500 }
MapStreamLayer
ArcGIS Server
GeoEvent Extension
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Advantages to using stream layersStream layers are more responsive and more efficient than feature layers
• Stream layers display immediately and refresh automatically
• Data is only sent to the client once
• Messages are sent without extra headers
RequestResponse
ArcGIS Server
Feature serviceFeature service
Stream Layer
ArcGIS Server
GeoEvent Extension
DataEstablish
Connection
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Stream layer requirementsBrowser support for web sockets / JavaScript application support
• ArcGIS GeoEvent Extension for Server- Stream services are published as GeoEvent output connectors
• Web Browser that supports Web Sockets- http://caniuse.com/websockets
• Network support for the Web Socket protocol- ws:// wss://
• No custom plug-in required: Standard JavaScript implementation
10 +10 +
6 +6 +
6 +6 +
14 +14 +
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Dynamic GeoFences
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• A GeoEvent Service configures the flow of GeoEvents
• Processors and Filters rely on GeoFences for spatial analytics
• GeoFence synchronization can receive data broadcast from a stream service
Stream services enable dynamic GeoFences
Applying real-time analytics
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Dynamic GeoFences
Demo – Stream Services
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Web Maps and Apps
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• ArcGIS Online and Portal for ArcGIS Web Maps
• ArcGIS Online and Portal for ArcGIS web application templates
• Web applications built using Web AppBuilder
• Your own web apps that use the ArcGIS API for JavaScript
What can I use to consume stream services?
Support for stream services in the 10.3 and 10.3.1 product releases
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Web Maps
Web Maps and Apps
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Stream Services in a Web Map
• “Add” menu…
• “Add layer from web”…
• Add stream service endpoint URL
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Real-Time Data in Portal Web Map
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Real-Time Data in Portal Web Map
• Stop/Start
• Spatial Filter (map extent)
• Clear
Streaming Controls
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Symbology
• Editable, like other layers
• “Change Symbols”
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Symbology
• Heading
• Tracks
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• Filter on data content- i.e. “WHERE” clause
Streaming ControlsReal-Time Data in Portal Web Map
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OriginID is 'KJFK' DestinationID is ‘KJFK’
• Each user has unique session
• Stream service knows what to send to each user
User-specificReal-Time Data in Portal Web Map
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Web Application Templates
Web Maps and Apps
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• “Share” button
Share in ArcGIS OnlineReal-Time Data in Web App Templates
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Web App Templates
• “Configurable Apps” tab
• Many to choose from
• Many are theme-focused- Compare
- Elevation Profile
- Impact Summary
• Can publish, download or preview
“Pre-packaged” Web Apps
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“Classic Viewer” Web App Template
Title
Legend
Navigation
Measure
Share
LocatorLayer List
BasemapsPrint
Preview
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Web App Templates
• Enter a title, add some tags, write a summary…
• “Save & Publish”
• Saves app to your content
Publish
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• Discoverable
PublishedWeb App Templates
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Web AppBuilder
Web Maps and Apps
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• Also via the “Share” button
• Also use “Make a Web Application”
Real-Time Data in Web AppBuilder AppsShare in ArcGIS Online
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Web AppBuilderPre-packaged Web App …
• “Web AppBuilder” tab
• Enter a title, add some tags, enter a summary
• “Get Started”
Builder!
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Web AppBuilderWYSIWYG
• “What You See Is What You Get” user interface
• Style/Colors
• Layout
• Widgets
• Map, extent
• Widget config
• Branding
• Previews
• Launch
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Web AppBuilderLaunch (Preview)
• “Launch” – shows preview of final app
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Web AppBuilderPreviews
• Shows preview of final app on 16 of the most common devices
• iPad Air
• Samsung Note
• Nexus 7
• 13 more
• Real-time data is live
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Web AppBuilder
• Save
• Save As
• Export as Template- Create custom web app template
by exporting the app
Save
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• Discoverable
Web AppBuilderPublished
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Conclusion
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Advantages to using stream services vs. traditional feature services
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• What are stream services?- How are stream services different from traditional feature services?- What are some advantages to using stream services?
• What are stream layers?- How are stream layers added to a web map?- How can stream layers be used to support real-time spatial analytics?- How can real-time web maps be incorporated into a web application?
Leveraging Stream Services
Conclusion:
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• We expect that you know and have probably used:- Web maps and feature layers in web maps
• This presentation will demonstrate and discuss:- How stream services are published using the GeoEvent Manager- How stream services are discovered in the ArcGIS REST Services Directory- Advantages stream services provide vs. traditional feature services- Support for stream services available in the 10.3 and 10.3.1 product releases
Leveraging Stream Services
Conclusion:
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Please submit your session evaluation
![Page 59: RJ Sunderman Product Engineer GeoEvent Extension Product Team rsunderman@esri.com Mark Bramer Senior Technical Analyst Esri Professional Services mbramer@esri.com](https://reader036.vdocuments.site/reader036/viewer/2022081503/5697c0151a28abf838ccda0f/html5/thumbnails/59.jpg)