def test_join_paths():
"""
Test function to join file paths
"""
path_joined = join_paths(PATH1, PATH2)
assert str(path_joined) == f"{PATH1}/{PATH2}"
with raises(TypeError):
join_paths('only_one_path')
def write_airfoil_files(settings, tixi):
"""
Extract airfoil data from CPACS and write airfoil files
Args:
:settings: Settings object
:tixi: Tixi handle
"""
logger.debug("Extracting airfoil data...")
num_airfoils = tixi.getNumberOfChilds(XPATHS.AIRFOILS)
for i in range(1, num_airfoils + 1):
node_airfoil = XPATHS.AIRFOILS + f"/wingAirfoil[{i}]"
node_data = node_airfoil + "/pointList"
try:
name_airfoil = parse_str(
tixi.getTextElement(node_airfoil + '/name'))
except tixiwrapper.TixiException:
name_airfoil = f'AIRFOIL{i:02d}'
file_airfoil = join_paths(settings.paths('root'),
PATHS.FILES.AIRFOIL(name_airfoil))
# Convert string to numpy array
coords_x = np.fromstring(tixi.getTextElement(node_data + '/x'),
sep=';')
coords_z = np.fromstring(tixi.getTextElement(node_data + '/z'),
sep=';')
coords = np.transpose([coords_x, coords_z])
logger.info(f"Copying airfoil {name_airfoil} to file...")
np.savetxt(file_airfoil,
coords,
header=f"{name_airfoil}",
fmt=COORD_FORMAT)
def get_aircraft_airfoils(aircraft, settings, tigl, wing_uid, segment_uid,
idx_wing, idx_segment):
"""
Extract the aircraft airfoils
Args:
:aircraft: Aircraft model
:settings: Settings object
:tigl: Tigl handle
:segment_uid: Name of the segment
:idx_wing: Index of the wing
:idx_segment: Index of the segment
"""
for position in ['inner', 'outer']:
if position == 'inner':
tigl_func = tigl.wingGetInnerSectionAndElementIndex
else:
tigl_func = tigl.wingGetOuterSectionAndElementIndex
idx_section, idx_elem = tigl_func(idx_wing, idx_segment)
name_airfoil = parse_str(
tigl.wingGetProfileName(idx_wing, idx_section, idx_elem))
if not name_airfoil:
err_msg = f"""
CPACS error: Could not extract {position} airfoil name
* Wing: {idx_wing}
* Segment: {idx_section}
* Element: {idx_elem}
"""
raise ValueError(err_msg)
file_airfoil = join_paths(settings.paths('root'),
PATHS.FILES.AIRFOIL(name_airfoil))
aircraft.wings[wing_uid].segments[segment_uid].airfoils[
position] = str(file_airfoil)