def input_properties_changed(self,e):
ind = self.ui.input_selector.currentIndex()
if len(self.waterTableModel.waterData) == 0:
water = iapws(P=0.1,T=300.14)
else:
water = self.waterTableModel.waterData[-1]
if ind < 4:
input1 = "Pressure"
input1_unit = "[bar]"
self.ui.input1.setText("%g" %(water.P*10))
self.ui.input1.setValidator(self.positive_float_validator)
if ind == 0:
input2 = "Temperature"
input2_unit = "[C]"
self.ui.input2.setText("%g" %(water.T-273.14))
self.ui.input2.setValidator(self.temperature_validator)
elif ind == 1:
input2 = "Enthalpy"
input2_unit = "[kJ/kg]"
self.ui.input2.setText("%g" %water.h)
self.ui.input2.setValidator(self.positive_float_validator)
elif ind == 2:
input2 = "Enthropy"
input2_unit = "[kJ/kg K]"
self.ui.input2.setText("%g" %water.s)
self.ui.input2.setValidator(self.positive_float_validator)
elif ind == 3:
input2 = "Quality"
input2_unit = "[-]"
self.ui.input2.setText("%g" %water.x)
self.ui.input2.setValidator(self.unit_validator)
elif ind == 4:
input1 = "Temperature"
input1_unit = "[C]"
self.ui.input1.setText("%g" %(water.T-273.14))
self.ui.input1.setValidator(self.temperature_validator)
input2 = "Quality"
input2_unit = "[-]"
self.ui.input2.setText("%g" %water.x)
self.ui.input2.setValidator(self.unit_validator)
elif ind == 5:
input1 = "Enthalpy"
input1_unit = "[kJ/kg]"
self.ui.input1.setText("%g" %water.h)
self.ui.input1.setValidator(self.positive_float_validator)
input2 = "Enthropy"
input2_unit = "[kJ/kg K]"
self.ui.input2.setText("%g" %water.s)
self.ui.input2.setValidator(self.positive_float_validator)
self.ui.label_input1.setText(input1)
self.ui.label_input1_unit.setText(input1_unit)
self.ui.label_input2.setText(input2)
self.ui.label_input2_unit.setText(input2_unit)
def calculate_values_from_input(self,input1,input2):
ind = self.ui.input_selector.currentIndex()
try:
if ind < 4:
input1 /= 10.0 #convert bar to MPa
if ind == 0:
water = iapws(P=input1,T=input2+273.14)
elif ind == 1:
water = iapws(P=input1,h=input2)
elif ind == 2:
water = iapws(P=input1,s=input2)
elif ind == 3:
water = iapws(P=input1,x=input2)
elif ind == 4:
water = iapws(T=input1+273.14,x=input2)
elif ind == 5:
water = iapws(h=input1,s=input2)
except NotImplementedError:
QtGui.QMessageBox.warning(self,"Bad input",
"You've input bad values either out of bounds or not yet implemented.",
QtGui.QMessageBox.NoButton,
QtGui.QMessageBox.Ok,
QtGui.QMessageBox.NoButton)
#Don't update if values are bad
if not water.status:
return
self.waterTableModel.addWater(water)