def get_geometry(self):
'''
Build section instance from geometry table
'''
X, Y, T, rho_long, rho_trans = [], [], [], [], []
table = self.geometry_table
row_count = table.rowCount() # get number of rows
for row in range(row_count):
row_values = self.get_table_row(table, row)
X.append(row_values[0])
Y.append(row_values[1])
T.append(row_values[2])
rho_long.append(row_values[3])
rho_trans.append(row_values[4])
# Geometry = {'X': X, 'Y': Y, 'T': T, 'rho_long': rho_long, 'rho_trans': rho_trans}
# initiate cross-section instances
section = Geometry.CrossSection()
# Loop over geometry nodes to calculate geometric properties
for i in range(len(X)):
X0, Y0 = X[i], Y[i] # start node
if i + 1 == len(X): # if last node
X1, Y1 = X[0], Y[0] # end node
else:
X1, Y1 = X[i + 1], Y[i + 1]
wall = Geometry.Wall([X0, X1], [Y0, Y1], T[i], rho_long[i],
rho_trans[i])
section.add_wall(wall)
obj = self.lineEdit_wallNodeN
try:
value = int(obj.text()) # convert item text to integer
if value == 0:
raise ValueError
section.set_wallNodeN(value) # Send input value to section class
except ValueError:
# value = 25 # set value back to default
self.show_msg_box([
'Geometry input error',
'Input value "{}" for {} is not valid. {} returned to default value.'
.format(obj.text(), 'no. of data points', 'No. of data points')
])
value = Geometry.Wall.wallNodeN # set value back to class default
obj.setText(str(value)) # Replace bad item content
self.statusbar.showMessage('Geometry table data loaded')
# return Geometry
return section
