Update README.md

README.md

@@ -3,8 +3,10 @@ QUICK SLPK SERVER
 
 Minimalist web server engine to publish OGC SceneLayerPackage (.slpk) to Indexed 3d Scene Layer (I3S) web service.
 
+Why this projects?  Publishing I3S service to Portal for ArcGIS requires to federated ArcGIS Server ... with this server, you can bypass this step and keep going with your non federated arcgis server.
+
 How to use:
-- Place .SLPK into a folder (default: "./slpk")
+- Place .SLPK into a folder (default: "./slpk")  [You can create SLPK with ArcGIS pro and some other softwares]
 - Configure the script (quick_slpk_server.py):
 	- webserver host
 	- webserver port
@@ -14,6 +16,9 @@ How to use:
 - Index page let you access your SLPK as I3S services
 -  Also provide an intern viewer for test
 
+- You can use your I3S services on arcgis online, portal for arcgis, arcgis javascript API, ...  simply use ther service url:
+	{host}:{port}/{slpk name .slpk}/SceneServer
+
 How to:
 - Configure Index page: modify->  views/services_list.tpl
 - Configure Viewer page: modify->  views/carte.tpl