def __init__(self, parent = None):
super(RoiWidget, self).__init__(parent) # __init__(parent) for send signal to main
# GUI construction
self.ui = Ui_roiWidget()
self.ui.setupUi(self)
# define signal for GUI user operation----------------------------------------
self.makeElementList()
self.connect(self.ui.elements, SIGNAL("currentIndexChanged(int)"),
self.onEdgeChoice)
self.connect(self.ui.doubleE0, SIGNAL("valueChanged(double)"),
self.updateElementList)
self.connect(self.ui.btnE0, SIGNAL("clicked()"),
self.moveE0)
self.connect(self.ui.btnStartScan, SIGNAL("clicked()"),
self.startScan)
self.connect(self.ui.btnStopScan, SIGNAL("clicked()"),
self.stopScan)
# region calculation----------------------------------------------------------
self.reg_settings = []
self.reg_settings.append(
(self.ui.doublePre1Start, self.ui.doublePre1Stop,
self.ui.doublePre1Step, self.ui.doublePre1Time,
self.ui.labelPre1Units))
self.reg_settings.append(
(self.ui.doublePre2Start, self.ui.doublePre2Stop,
self.ui.doublePre2Step, self.ui.doublePre2Time,
self.ui.labelPre2Units))
self.reg_settings.append(
(self.ui.doubleXANESStart, self.ui.doubleXANESStop,
self.ui.doubleXANESStep, self.ui.doubleXANESTime,
self.ui.labelXANESUnits))
self.reg_settings.append(
(self.ui.doubleXAFS1Start, self.ui.doubleXAFS1Stop,
self.ui.doubleXAFS1Step, self.ui.doubleXAFS1Time,
self.ui.XAFS1Units))
self.reg_settings.append(
(self.ui.doubleXAFS2Start, self.ui.doubleXAFS2Stop,
self.ui.doubleXAFS2Step, self.ui.doubleXAFS2Time,
self.ui.XAFS2Units))
self.reg_settings.append(
(self.ui.doubleXAFS3Start, self.ui.doubleXAFS3Stop,
self.ui.doubleXAFS3Step, self.ui.doubleXAFS3Time,
self.ui.XAFS3Units))
# Setup default ROI index(XAFS2)----------------------------------------------
self.ui.selectRegion.currentIndexChanged.connect(self.regionChanged)
self.regionChanged(self.ui.selectRegion.currentIndex())
# Setup current energy to E0 value--------------------------------------------
try:
self.ui.doubleE0.setValue(epics.caget(e0Name+'.RBV', timeout=10))
except:
pass
self.updateElementList()
self.ui.progressBar.setValue(0.0)
# Try connect to SCAN SERVER!
try:
self.scan_handle = ThreadScanData()
except Exception as e:
print e
QMessageBox.warning(self, "Oops SCAN server",
" Scan server not connected please restart this program ",
QMessageBox.Ok)
self.scan_handle.commSignal.connect(self.showData)
class RoiWidget(QtGui.QWidget):
def __init__(self, parent = None):
super(RoiWidget, self).__init__(parent) # __init__(parent) for send signal to main
# GUI construction
self.ui = Ui_roiWidget()
self.ui.setupUi(self)
# define signal for GUI user operation----------------------------------------
self.makeElementList()
self.connect(self.ui.elements, SIGNAL("currentIndexChanged(int)"),
self.onEdgeChoice)
self.connect(self.ui.doubleE0, SIGNAL("valueChanged(double)"),
self.updateElementList)
self.connect(self.ui.btnE0, SIGNAL("clicked()"),
self.moveE0)
self.connect(self.ui.btnStartScan, SIGNAL("clicked()"),
self.startScan)
self.connect(self.ui.btnStopScan, SIGNAL("clicked()"),
self.stopScan)
# region calculation----------------------------------------------------------
self.reg_settings = []
self.reg_settings.append(
(self.ui.doublePre1Start, self.ui.doublePre1Stop,
self.ui.doublePre1Step, self.ui.doublePre1Time,
self.ui.labelPre1Units))
self.reg_settings.append(
(self.ui.doublePre2Start, self.ui.doublePre2Stop,
self.ui.doublePre2Step, self.ui.doublePre2Time,
self.ui.labelPre2Units))
self.reg_settings.append(
(self.ui.doubleXANESStart, self.ui.doubleXANESStop,
self.ui.doubleXANESStep, self.ui.doubleXANESTime,
self.ui.labelXANESUnits))
self.reg_settings.append(
(self.ui.doubleXAFS1Start, self.ui.doubleXAFS1Stop,
self.ui.doubleXAFS1Step, self.ui.doubleXAFS1Time,
self.ui.XAFS1Units))
self.reg_settings.append(
(self.ui.doubleXAFS2Start, self.ui.doubleXAFS2Stop,
self.ui.doubleXAFS2Step, self.ui.doubleXAFS2Time,
self.ui.XAFS2Units))
self.reg_settings.append(
(self.ui.doubleXAFS3Start, self.ui.doubleXAFS3Stop,
self.ui.doubleXAFS3Step, self.ui.doubleXAFS3Time,
self.ui.XAFS3Units))
# Setup default ROI index(XAFS2)----------------------------------------------
self.ui.selectRegion.currentIndexChanged.connect(self.regionChanged)
self.regionChanged(self.ui.selectRegion.currentIndex())
# Setup current energy to E0 value--------------------------------------------
try:
self.ui.doubleE0.setValue(epics.caget(e0Name+'.RBV', timeout=10))
except:
pass
self.updateElementList()
self.ui.progressBar.setValue(0.0)
# Try connect to SCAN SERVER!
try:
self.scan_handle = ThreadScanData()
except Exception as e:
print e
QMessageBox.warning(self, "Oops SCAN server",
" Scan server not connected please restart this program ",
QMessageBox.Ok)
self.scan_handle.commSignal.connect(self.showData)
def makeElementList(self):
con = sqlite3.connect("xrayref.db")
cursor = con.cursor()
cursor.execute("SELECT element FROM xray_levels WHERE iupac_symbol='K'")
elementName = cursor.fetchall()
cursor.close()
con.close()
for i, in elementName:
self.ui.elements.addItem(i)
def onEdgeChoice(self, evt=None):
con = sqlite3.connect('xrayref.db')
cursor = con.cursor()
sqlStr = "SELECT absorption_edge FROM xray_levels WHERE element='%s' AND iupac_symbol='K'" %(self.ui.elements.itemText(evt))
cursor.execute(sqlStr)
e0val = cursor.fetchall()
cursor.close()
con.close()
a = e0val.pop(0)
self.ui.doubleE0.setValue(float(a[0]))
def updateElementList(self, evt=7112.0):
con = sqlite3.connect("xrayref.db")
cursor = con.cursor()
try:
sqlStr = "SELECT element FROM xray_levels WHERE absorption_edge='%s' AND iupac_symbol='K'" \
%(self.ui.doubleE0.value())
cursor.execute(sqlStr)
elementName = cursor.fetchall()
a = elementName.pop(0)
if isinstance(a[0], unicode):
index = self.ui.elements.findText(a[0])
if index is not -1:
self.ui.elements.setCurrentIndex(index)
except:
pass
finally:
cursor.close()
con.close()
def regionChanged(self, value):
for r in self.reg_settings[:value+2]:
for i, a in enumerate(r):
a.setEnabled(True)
for r in self.reg_settings[value+2:]:
for i, a in enumerate(r):
a.setEnabled(False)
def startScan(self):
try:
self.scan_handle.putTable(self.ui.doubleE0,
self.reg_settings,
self.ui.selectRegion)
except Exception as e:
print e
self.scan_handle.set_conf(e0=self.ui.doubleE0.value())
# if is not scanning. start new scan.
if self.scan_handle.state is False:
self.scan_handle.resume()
self.scan_handle.start()
def stopScan(self):
try:
self.scan_handle.stop()
except Exception as e:
print e
def moveE0(self):
quit_msg = """Are you sure you want move to e0?
You need energy calibration after move e0!!"""
reply = QtGui.QMessageBox.question(self, 'Move e0 Message',
quit_msg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
try:
epics.caput(e0Name, self.ui.doubleE0.value(), wait=False)
except Exception as e:
print e
else:
pass
def showData(self, data):
self.ui.progressBar.setValue(data)