Startup

script/Tools/save_snapshot.py

@@ -0,0 +1,55 @@
+import ch.psi.pshell.imaging.ImageBuffer as ImageBuffer
+import java.math.BigInteger as BigInteger
+import org.python.core.PyLong as PyLong
+import json
+
+if get_exec_pars().source == CommandSource.ui:
+    camera_name = "SLG-LCAM-C041"
+    shared = True
+    logbook = "SwissFEL commissioning data"    
+    comment = "Test"        
+else:    
+    camera_name = args[0]
+    shared = args[1].lower() == "true"
+    logbook = args[2]
+    comment = args[3]
+        
+set_exec_pars(name="camera_snapshot")
+path = "/image"
+snapshotFile = None
+
+if shared:
+    cam_server.start(camera_name + "_sp1", shared)
+else:
+    cam_server.start(camera_name)
+    
+cam_server.waitNext(10000)
+
+stream_value = cam_server.stream.take()
+
+save_dataset(path, cam_server.data.matrix)
+for id in stream_value.identifiers:
+    val = stream_value.getValue(id)
+    if id == "image":
+        pass
+    elif id == "processing_parameters":
+        val = json.loads(val)
+        for key in val.keys():                       
+            set_attribute(path, key, "" if val[key] is None else val[key] )
+    elif isinstance(val, PyArray):
+        save_dataset("/"+id, val)
+    elif isinstance(val, PyLong):
+        save_dataset("/"+id, int(val))
+    else:      
+        set_attribute(path, id, val)
+
+set_exec_pars(open = False)
+#Enforce the same timestamp to data & image files.
+snapshot_file = get_exec_pars().path+ ".png";
+ImageBuffer.saveImage(cam_server.output, snapshot_file, "png");
+
+msg  = "Camera: " + camera_name 
+msg += "\nShared: " + str(shared)
+msg += "\nData file: " + str(get_exec_pars().path)
+msg += "\nComment: " + str(comment)
+elog("Camera Snapshot", msg, [snapshot_file,], logbook=logbook)

script/Tools/save_snapshot_client.py

@@ -0,0 +1,10 @@
+
+def save_snapshot(camera_name = "SLG-LCAM-C041", shared = True, logbook = "SwissFEL commissioning data", comment = ""):
+    import requests
+    base = "http://sf-daq-mgmt:8090/"
+    url = base + "run/Tools/save_snapshot(%s,%s,%s,%s)" % (camera_name, str(shared), logbook, "'" + str(comment) +  "'")
+    r = requests.get(url)
+    if r.status_code != 200:
+        raise Exception(r.text)
+
+save_snapshot()