def test_saved_equals_original_binary(self):
'''Tests if saved binary file is identical to the loaded one'''
stl1 = Stl(asset('block.stl'))
stl1.write_binary(asset('block_binary.stl'))
stl2 = Stl(asset('block_binary.stl'))
stl2.write_binary(asset('block_binary2.stl'))
assert filecmp.cmp(asset('block_binary.stl'), asset('block_binary2.stl'))
def test_saved_binary_is_binary(self):
'''Tests if saved binary file is identical to the loaded one'''
stl1 = Stl(asset('block.stl'))
stl1.write_binary(asset('block_binary.stl'))
stl2 = Stl(asset('block_binary.stl'))
assert stl2.stats['type'] == Stl.BINARY
if __name__ == '__main__':
# Determines the feasibitily of an STL model
if len(sys.argv) < 1:
print "Need at least a file name"
exit(1)
print "=" * 80
print "Analyzing model ", sys.argv[1]
stl = Stl(sys.argv[1])
# Although stl_repair provided a function that can repair errors in one shot,
# it does not give error messages. Here we report each steps.
tolerance = 0.0000001
stl.check_facets_exact()
stats = stl.stats
if stats['facets_w_1_bad_edge'] > 0 or stats['facets_w_2_bad_edge'] >0 or stats['facets_w_3_bad_edge'] > 0:
print "Bad edges on facets"
shortest_edge = stats['shortest_edge']
if shortest_edge < tolerance:
print "Edge too short, cannot print"
stl.repair(fill_holes_flag = True, iterations = 4)
print sys.argv
if len(sys.argv) == 3:
stl.write_binary(sys.argv[2])
# pprint.pprint(stl.stats)
print