def case_from_input_file(cls, file, cwd=''):
'''
return an instance of Case by reading its data from an input file
'''
lines = file.readlines()
lines = filter_lines(lines)
lineno = 0
name = lines[0]
mach_no = float(lines[1].split()[0])
symmetry = lines[2].split()
symmetry = [int(symmetry[0]), int(symmetry[1]), float(symmetry[2])]
ref_area, ref_chord, ref_span = [
float(value) for value in lines[3].split()[:3]
]
ref_cg = [float(value) for value in lines[4].split()[:3]]
lineno = 5
try:
CD_p = float(lines[5].split()[0])
lineno = 6
except ValueError:
CD_p = 0.0
geometry = Geometry.create_from_lines(lines, lineno, cwd=cwd)
case = Case(name=name,
mach_no=mach_no,
symmetry=symmetry,
ref_area=ref_area,
ref_chord=ref_chord,
ref_span=ref_span,
ref_cg=ref_cg,
CD_p=CD_p,
geometry=geometry,
cwd=cwd)
return case
def case_from_input_file(cls, file):
'''
return an instance of Case by reading its data from an input file
'''
lines = file.readlines()
lines = filter_lines(lines)
lineno = 0
casename = lines[0]
mach_no = float(lines[1])
symmetry = lines[2].split()
symmetry = [int(symmetry[0]), int(symmetry[1]), float(symmetry[2])]
ref_area, ref_chord, ref_span = [float(value) for value in lines[3].split()]
ref_cg = [float(value) for value in lines[4].split()]
lineno = 5
try:
CD_p = float(lines[5])
lineno = 6
except ValueError:
CD_p = None
geometry = Geometry.create_from_lines(lines, lineno)
case = Case(casename, mach_no, symmetry, ref_area, ref_chord, ref_span, ref_cg, CD_p, geometry)
return case
