Files
dev/script/tools/CameraTools.py
2018-04-17 12:05:48 +02:00

128 lines
5.4 KiB
Python

import json
import java.math.BigInteger as BigInteger
import org.python.core.PyLong as PyLong
import org.python.core.PyFloat as PyFloat
import traceback
import datetime
run("Devices/Elements")
def get_processing_parameters(stream_value):
return json.loads(stream_value.getValue("processing_parameters"))
def _create_tables(paths, stream_value, data_type, shape, images):
root = paths["root"]
create_dataset(paths["image"], data_type, dimensions = [images, shape[0], shape[1]])
create_dataset(paths["pid"], 'l', dimensions = [images])
create_dataset(paths["timestamp_str"], 's', dimensions = [images])
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():
if val[key] is not None and isinstance(val[key], dict):
for k in val[key].keys():
set_attribute(paths["image"], key + " " + k , "" if val[key][k] is None else val[key][k] )
else:
set_attribute(paths["image"], key, "" if val[key] is None else val[key] )
elif isinstance(val, PyArray):
create_dataset(root + id, 'd', dimensions = [images, len(val)])
elif isinstance(val, PyLong):
create_dataset(root + id, 'l', dimensions = [images])
elif isinstance(val, PyFloat):
create_dataset(root + id, 'd', dimensions = [images])
else:
print "Unmanaged stream type: ", val, type(val)
pass
def _append_frame(paths, stream_value, index, data_type, shape):
print "Saving frame :", index
#append_dataset(paths["image"], data, index, type = data_type)
root = paths["root"]
append_dataset(paths["image"], stream_value.getValue("image"),[index,0,0], type = data_type, shape=[1, shape[0], shape[1]])
append_dataset(paths["pid"], stream_value.getPulseId(), index)
append_dataset(paths["timestamp_str"], datetime.datetime.fromtimestamp(stream_value.timestampNanos/1e9).strftime('%Y-%m-%d %H:%M:%S.%f'), index)
for id in stream_value.identifiers:
try:
val = stream_value.getValue(id)
if id == "image":
pass
elif isinstance(val, PyArray):
append_dataset(root + id, val, index)
elif isinstance(val, PyLong):
append_dataset(root + id, int(val), index)
elif isinstance(val, PyFloat):
append_dataset(root + id, float(val), index)
else:
pass
except:
print id, val
traceback.print_exc()
#print "Saved frame: ", index
def _write_metadata(paths, camera, images, interval):
root = paths["root"]
set_attribute(root, "Camera", camera)
set_attribute(root, "Images", images)
set_attribute(root, "Interval", interval)
cam_type = get_camera_type(camera)
set_attribute(root, "Type", cam_type)
if cam_type=="ELECTRONS":
set_attribute(root, "Screen", caget(camera + (":POSITION" if (camera.startswith("DSRM")) else ":GET_SCREEN1_POS"), 's'))
set_attribute(root, "Filter", caget(camera + ":GET_FILTER", 's'))
def save_camera_data(server, images = 1, interval = -1, root = "/camera1", parallel = True, pause = False):
stream_value = server.stream.take()
if stream_value is None:
server.waitNext(10000)
stream_value = server.stream.take()
if not root.endswith('/'):
root = root + "/"
camera = get_processing_parameters(stream_value)["camera_name"]
paths = {"root": root, "image":root+"image", "pid":root+"/pulse_id", "timestamp_str":root+"/timestamp_str"}
shape = [stream_value.getValue("height"),stream_value.getValue("width")]
data_type = stream_value.getValue("image").typecode
tasks = []
if pause:
server.paused = True
try:
for i in range(images):
#print i
if i==0:
_create_tables(paths, stream_value, data_type, shape, images)
_write_metadata(paths, camera, images, interval)
start = time.time()
stream_value = server.stream.take()
if parallel:
tasks.extend( fork((_append_frame,(paths, stream_value, i, data_type, shape)),) )
else:
print "append"
_append_frame(paths, stream_value, i, data_type, shape)
print "OK"
if i< (images-1):
if interval<=0:
print "WAITING"
server.stream.waitCacheChange(10000)
else:
print "Other"
sleep_time = float(interval)/1000.0 - (time.time()-start)
time.sleep(max(sleep_time,0))
finally:
if pause:
server.paused = False
pass
data_file = get_exec_pars().path
#print "Waiting finish : ", data_file
join(tasks)
#print "Done"
return data_file
def save_camera_snapshot(server, file, format = "png"):
ImageBuffer.saveImage(server.output, file, "png")