def convert_to_measurement(self, dataArray):
data = dataArray.data
param = ScanningParam()
param.filename = dataArray.info["filename"]
if dataArray.info["data_info"][0]["Name"] != "Z":
raise UnhandledFileError, "currently only topography is supported."
else:
param.type = "topo"
n = dataArray.info["channel"]
if 0 == (n % 2):
param.direction = "Forward"
elif 1 == (n % 2):
if "both" == dataArray.info["data_info"][n // 2 * 2 - 1]["Direction"]:
param.direction = "Backward"
else:
param.direction = "Forward"
param.current = float(dataArray.info["z-controller"]["Setpoint"].split(" ")[0])
param.vgap = dataArray.info["bias"]
# BUG will not work for multichannel files:
unit = dataArray.info["data_info"][0]["Unit"]
# For convenience scale units
if param.type == "topo" and unit == "m":
unit = u"nm"
data = data * 1e9
param.unit = unit
param.creation_date = dataArray.info["rec_date"]
param.comment = dataArray.info["comment"]
axis1 = AxisParam()
axis2 = AxisParam()
axis3 = AxisParam()
if param.type in ("topo",):
axis1.length = dataArray.info["scan_pixels"][0]
axis1.unit = "nm"
axis1.increment = dataArray.info["scan_range"][0] / axis1.length * 1e9
axis1.start = 0 # dataArray.info['scan_offset'][0] in meter
axis2.length = dataArray.info["scan_pixels"][1]
axis2.unit = "nm"
axis2.increment = dataArray.info["scan_range"][1] / axis2.length * 1e9
axis2.start = 0
param.axis1 = axis1
param.axis2 = axis2
print dataArray.info["scan_pixels"]
print dataArray.info["scan_range"]
return Measurement(data, param)
def convert_to_measurement(self, dataArray):
data = dataArray.data
param = ScanningParam()
param.filename = dataArray.info['filename']
param.type = dataArray.info['type']
param.direction = dataArray.info['direction']
param.current = dataArray.info['current']
param.vgap = dataArray.info['vgap']
unit = dataArray.info['unit']
# For convenience scale units
if param.type == 'topo' and unit == 'm':
unit = u'nm'
data = data * 1e9
elif param.type == 'ivcurve' and unit == 'A':
unit = u'nA'
data = data * 1e9
elif param.type == 'ivmap' and unit == 'A':
unit = u'nA'
data = data * 1e9
param.unit = unit
param.creation_date = dataArray.info['date']
param.comment = dataArray.info['comment']
axis1 = AxisParam()
axis2 = AxisParam()
axis3 = AxisParam()
if param.type in ('topo','ivmap'):
axis1.length = dataArray.info['xres']
axis1.unit = dataArray.info['unitxy']
#axis1.length_physical = dataArray.info['xreal']
axis1.increment = dataArray.info['xinc']
axis1.start = 0
axis2.length = dataArray.info['yres']
axis2.unit = dataArray.info['unitxy']
#axis2.length_physical = dataArray.info['yreal']
axis2.increment = dataArray.info['yinc']
axis2.start = 0
param.axis1 = axis1
param.axis2 = axis2
if param.type in ('ivcurve','ivmap'):
if param.type == 'ivcurve':
axisv = axis1
param.axis1 = axisv
else:
axisv = axis3
param.axis3 = axisv
axisv.unit = dataArray.info['unitv']
coef = 1
# For convenience scale units
if axisv.unit == 'V':
axisv.unit = 'mV'
coef = 1e3
axisv.length = dataArray.info['vres']
#axisv.length_physical = dataArray.info['vreal'] * coef
axisv.increment = dataArray.info['vinc'] * coef
axisv.start = dataArray.info['vstart'] * coef
return Measurement(data, param)
def convert_to_measurement(self, dataArray):
data = dataArray.data
param = ScanningParam()
param.filename = dataArray.info['filename']
if dataArray.info['data_info'][0]['Name'] != 'Z':
raise UnhandledFileError, \
'currently only topography is supported.'
else:
param.type = 'topo'
n = dataArray.info['channel']
if 0 == (n % 2):
param.direction = 'Forward'
elif 1 == (n % 2):
if 'both' == dataArray.info['data_info'][n // 2 * 2 -
1]['Direction']:
param.direction = 'Backward'
else:
param.direction = 'Forward'
param.current = float(dataArray.info['z-controller']['Setpoint'].split(\
' ')[0])
param.vgap = dataArray.info['bias']
# BUG will not work for multichannel files:
unit = dataArray.info['data_info'][0]['Unit']
# For convenience scale units
if param.type == 'topo' and unit == 'm':
unit = u'nm'
data = data * 1e9
param.unit = unit
param.creation_date = dataArray.info['rec_date']
param.comment = dataArray.info['comment']
axis1 = AxisParam()
axis2 = AxisParam()
axis3 = AxisParam()
if param.type in ('topo', ):
axis1.length = dataArray.info['scan_pixels'][0]
axis1.unit = 'nm'
axis1.increment = dataArray.info['scan_range'][
0] / axis1.length * 1e9
axis1.start = 0 # dataArray.info['scan_offset'][0] in meter
axis2.length = dataArray.info['scan_pixels'][1]
axis2.unit = 'nm'
axis2.increment = dataArray.info['scan_range'][
1] / axis2.length * 1e9
axis2.start = 0
param.axis1 = axis1
param.axis2 = axis2
print dataArray.info['scan_pixels']
print dataArray.info['scan_range']
return Measurement(data, param)
def convert_to_measurement(self, dataArray):
data = dataArray.data
param = ScanningParam()
param.filename = dataArray.info["filename"]
param.type = dataArray.info["type"]
param.direction = dataArray.info["direction"]
param.current = dataArray.info["current"]
param.vgap = dataArray.info["vgap"]
unit = dataArray.info["unit"]
# For convenience scale units
if param.type == "topo" and unit == "m":
unit = u"nm"
data = data * 1e9
elif param.type == "ivcurve" and unit == "A":
unit = u"nA"
data = data * 1e9
elif param.type == "ivmap" and unit == "A":
unit = u"nA"
data = data * 1e9
param.unit = unit
param.creation_date = dataArray.info["date"]
param.comment = dataArray.info["comment"]
axis1 = AxisParam()
axis2 = AxisParam()
axis3 = AxisParam()
if param.type in ("topo", "ivmap"):
axis1.length = dataArray.info["xres"]
axis1.unit = dataArray.info["unitxy"]
# axis1.length_physical = dataArray.info['xreal']
axis1.increment = dataArray.info["xinc"]
axis1.start = 0
axis2.length = dataArray.info["yres"]
axis2.unit = dataArray.info["unitxy"]
# axis2.length_physical = dataArray.info['yreal']
axis2.increment = dataArray.info["yinc"]
axis2.start = 0
param.axis1 = axis1
param.axis2 = axis2
if param.type in ("ivcurve", "ivmap"):
if param.type == "ivcurve":
axisv = axis1
param.axis1 = axisv
else:
axisv = axis3
param.axis3 = axisv
axisv.unit = dataArray.info["unitv"]
coef = 1
# For convenience scale units
if axisv.unit == "V":
axisv.unit = "mV"
coef = 1e3
axisv.length = dataArray.info["vres"]
# axisv.length_physical = dataArray.info['vreal'] * coef
axisv.increment = dataArray.info["vinc"] * coef
axisv.start = dataArray.info["vstart"] * coef
return Measurement(data, param)
