Files
sf-rf/script/local.py
2016-05-27 15:39:19 +02:00

100 lines
3.6 KiB
Python
Executable File

###################################################################################################
# Deployment specific global definitions - executed after startup.py
###################################################################################################
from mathutils import estimate_peak_indexes, fit_gaussians, create_fit_point_list, Gaussian
import java.awt.Color as Color
def fit(ydata, xdata = None):
"""
"""
if xdata is None:
xdata = frange(0, len(ydata), 1)
max_y= max(ydata)
index_max = ydata.index(max_y)
max_x= xdata[index_max]
print "Max index:" + str(index_max),
print " x:" + str(max_x),
print " y:" + str(max_y)
gaussians = fit_gaussians(ydata, xdata, [index_max,])
(norm, mean, sigma) = gaussians[0]
p = plot([ydata],["data"],[xdata], title="Fit" )[0]
fitted_gaussian_function = Gaussian(norm, mean, sigma)
scale_x = [float(min(xdata)), float(max(xdata)) ]
points = max((len(xdata)+1), 100)
resolution = (scale_x[1]-scale_x[0]) / points
fit_y = []
fit_x = frange(scale_x[0],scale_x[1],resolution, True)
for x in fit_x:
fit_y.append(fitted_gaussian_function.value(x))
p.addSeries(LinePlotSeries("fit"))
p.getSeries(1).setData(fit_x, fit_y)
if abs(mean - xdata[index_max]) < ((scale_x[0] + scale_x[1])/2):
print "Mean -> " + str(mean)
p.addMarker(mean, None, "Mean="+str(round(norm,2)), Color.MAGENTA.darker())
return (norm, mean, sigma)
else:
p.addMarker(max_x, None, "Max="+str(round(max_x,2)), Color.GRAY)
print "Invalid gaussian fit: " + str(mean)
return (None, None, None)
def elog(title, message, attachments = [], author = None, category = "Info", domain = "", logbook = "SwissFEL commissioning data", encoding=1):
"""
Add entry to ELOG.
"""
if author is None:
author = "pshell" #controller.getUser().name
typ = "pshell"
entry = ""
cmd = 'G_CS_ELOG_add -l "' + logbook+ '" '
cmd = cmd + '-a "Author=' + author + '" '
cmd = cmd + '-a "Type=' + typ + '" '
cmd = cmd + '-a "Entry=' + entry + '" '
cmd = cmd + '-a "Title=' + title + '" '
cmd = cmd + '-a "Category=' + category + '" '
cmd = cmd + '-a "Domain=' + domain + '" '
for attachment in attachments:
cmd = cmd + '-f "' + attachment + '" '
cmd = cmd + '-n ' + str(encoding)
cmd = cmd + ' "' + message + '"'
#print cmd
#os.system (cmd)
#print os.popen(cmd).read()
import subprocess
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
(out, err) = proc.communicate()
if (err is not None) and err!="":
raise Exception(err)
print out
def get_plot_snapshots(title = None, file_type = "jpg", temp_path = controller.setup.getContextPath()):
"""
Returns list with file names of plots snapshots from a plotting context.
"""
sleep(0.02) #Give some time to plot to be finished - it is not sync with acquisition
ret = []
for p in get_plots(title):
file_name = os.path.abspath(temp_path + "/" + p.getTitle() + "." + file_type)
p.saveSnapshot(file_name , file_type)
ret.append(file_name)
return ret
class Sinusoid(ReadonlyRegisterBase):
def doRead(self):
self.x = self.x + 5.0 if hasattr(self, 'x') else 0.0
return math.sin(self.x * math.pi / 180.0)
add_device(Sinusoid("phase"), True)
add_device(Sinusoid("bpm"), True)
add_device(Sinusoid("center_x"), True)
add_device(Sinusoid("center_y"), True)
center_x.setPolling(100)
center_y.setPolling(100)