diff --git a/b b/b
index 50f1bc23ad420cb0a36ed18cacdc36a68db7c3c4..09360a19353558f2fb58580d08aedbb15713c655 160000
--- a/b
+++ b/b
@@ -1 +1 @@
-Subproject commit 50f1bc23ad420cb0a36ed18cacdc36a68db7c3c4
+Subproject commit 09360a19353558f2fb58580d08aedbb15713c655
diff --git a/dox/notes_B b/dox/notes_B
index e22612edee8b2a2e891c1c339ced818d61d15c7a..62e8b303392e58ea08f85e9c5a11c2159baeb5d4 100644
--- a/dox/notes_B
+++ b/dox/notes_B
@@ -150,6 +150,60 @@ Vimba API *captures* images <> camera *acquires* images
 restrained fps 		|	unrestrained fps
 									| while working with img, the nxt img is acquired!
 
+#VimbaSystem #api
+	Startup()
+	RegisterCameraListObserver() #for gigE cams -> getcams return immediately
+	GetCameras()
+	GetCameraByID()
+	OpenCameraByID ( " 192.168.0.42 ", VmbAccessModeFull , camera )
+		#or serial number or MAC
+	UnregisterCameraListObserver()
+	Shutdown() #blox until all callback are done
+
+#api more
+	GetInterfaces
+
+# CameraPtr
+	# static
+		GetID( string )
+		GetName( string )
+		GetModel( string )
+		GetSerialNumber( string )
+		GetPermittedAccess( VmbAccessModeType& )
+		GetInterfaceID( string ) #name/id of connected IF
+	# dyn
+	Open()
+		VmbAccessModeFull - read and write -> features, acquire images
+		VmbAccessModeConfig - configure IP
+		VmbAccessModeRead - read-only
+	Close()
+
+	AcquireSingleImage()
+	AcquireMultipleImages()
+	StartContinuousImageAcquisition()
+	StopContinuousImageAcquisition()
+	StartCapture()
+	StopCapture()
+	SaveCameraSettings()
+	LoadCameraSettings()
+
+	GetFeatures()
+	GetFeaturesByName()
+
+	AnnounceFrame()
+	RevokeFrame()
+	RevokeAllFrames()
+	CueFrame()
+	FlushFrame()
+
+
+
+#FeaturePtr
+		GetValue()
+		SetValue()
+		RunCommand()
+		RegisterObserver()
+		UnregisterObserver()
 
 Notifications
 ###############################
@@ -157,7 +211,18 @@ Notifications
 > different thread -> !!caution! when using shared data
 > ! Not all func from API can be called in event handler
 > during event handler Vimba API might be blocked -> exit AFA
-P>
+
+## notifications of changed camera states
+sys.RegisterCameraListObserver()
+	# callback/observer func of type ICameraListObserver*
+	# gets called detect, disconnect, connect, changes to open state
+	# !! dont call from within observer:
+		Startup, Shutdown GetCameras GetCameraByID RegisterCameraListObserver UnregisterCameraListObserver Feature::SetValue Feature::RunCommand
+
+#ICameraListObserver
+> for GigE: register a CameraListObserver with the VimbaSystem >
+//Discovery?
+	// plug&play or add/rm + press button to call getcams and list their info
 
 
 difference?
@@ -166,16 +231,34 @@ difference?
 
 
 
-## Frame:
-getImage - img data
+## FramePtr:
+GetImage() - img data
 getBuffer - img data + ancillary data
 GetAncillaryData - ancillary data [~ genicam chunk data]
 	chunkmodeactive - true -> transfer ancillaryData
 		frame count
 		exposure time [ms]
 		gain [db]
+RegisterObserver() ??
+
+
+
+# Sharedpointer
+###############################
+SP_DECL()
+...
+CameraPtr sp1;
+so.reset( new Camera() ); #ref count 1
+CameraPtr sp2 ;
+sp2 = sp1; #ref count 2
 
 
+
+
+
+
+MISC
+###############################
 getTimestamp
 getFrameID
 
diff --git a/dox/todo_tron b/dox/todo_tron
index 37e1314f0fcc0d997668b23e8c3eb69d889b61dc..f9bfeb40453ca9c9e30ed894b781c71c6deef9e2 100644
--- a/dox/todo_tron
+++ b/dox/todo_tron
@@ -17,6 +17,8 @@ B) recorder
 ###########################
 	> read manual (c++ / vimba)
 ============================
+	> print Info: Versions (VimbaApi, OpenCV, Qt)
+					more: cams
 	> central config
 		> threads for started recordings [PID]
 		> storage folder
@@ -68,19 +70,21 @@ A) setup testsystem
 	-> price!, temp-range, electricity inside, size space in lab?
 	-> more than 2
 		Reach In Plant Growth Chambers E-36L1
-
+		---------------------
 	> setup stativ, use our lab
-	> CALIBRATION of camera system w chess (or other)
 	> how-to connect ETHernet cable? it will have to go outside of fridge??
 	> how-to control temperature and humidity? (see picture from thomas dox)
+		---------------------
+	> calibration (chess or other. Use Viewer? Or own SW?)
 
 
 C) background subtraction
 ###########################
 	> build
-	> get test data
+	> get test data (cp to 00 - where is it?)
 	> process
-	> cp test-data to 00 (where is it?)
+	-----------
+	> update bgs alg. opencv4 has its own bgs?
 
 
 D) process scripts
@@ -96,17 +100,12 @@ D) process scripts
 
 ## MISC
 ###############################
-	> sublime mega project to build all
-		> all vimba examples
-		> all camtron_all subprojects -> vimba, scripts?, bgs
 	> database project \w emilio
 
 	build:
 	> update CV version to 4.2 (or 4.5?)
 	> save/load config
 	> Tapter: implement new IBgs
-	> Sublime as IDE
-		* how to convert spaces to tabs properly when copy pasting???
 =========
 
 
@@ -114,6 +113,7 @@ D) process scripts
 
 Done
 #######################
+> new sublimeproject 'recorder' with ecc+buildsystem
 > setup buildsys on f1sh
 > one major git repo called 'camtron', containing
 	-> part A - prep