def testComparisonFailureTransplantingALeafNode(self): """Remap each leaf node in a complex swc file, onto different internal nodes of the morphology, and check that the morphology is considered different """ testSrcsPath = LocMgr().get_test_srcs_path() srcSWCFile = Join(testSrcsPath, "swc_srcs/28o_spindle20aFI.CNG.swc") m = MorphologyArray.fromSWC(srcSWCFile) # Find the leaf nodes: leaf_nodes = m.get_leaf_vertices_indices() for new_parent in [0, 10, 20, leaf_nodes[-1]]: for l in leaf_nodes[:-1]: v = m._vertices.copy() c = m._connectivity.copy() # Rewrite the connectivity matrix, mapping the # leaf to a new_parent: c[c == l] = new_parent mNew = MorphologyArray(vertices=v, connectivity=c) assert not MorphArrayComparison.are_same( m, mNew, max_node_distance=0.00001)
def testComparisonFailureAddingEpsilon2(self): """Load and complex .swc file, and change each [x, y, z, r] value in the vertices matrix individually, to check that it is not the same. """ testSrcsPath = LocMgr().get_test_srcs_path() srcSWCFile = Join(testSrcsPath, "swc_srcs/28o_spindle20aFI.CNG.swc") m = MorphologyArray.fromSWC(srcSWCFile) MFRandom.seed(0) for i in range(len(m)): print i, len(m) for j in range(4): # Only test 2% of cases: if not np.random.rand() < 0.02: continue m1 = MorphologyArray.fromSWC(srcSWCFile) m1._vertices[i, j] = m1._vertices[i, j] + 0.01 assert MorphArrayComparison.are_same(m, m1, max_node_distance=0.02) assert not MorphArrayComparison.are_same( m, m1, max_node_distance=0.005)