arboretum/layers/tracks/_track_utils.py
def build_graph(self):
        """ build_graph

        Build the track graph using track properties. The track graph should be:

            [(track_idx, (parent_idx,...)),...]

        """

        # if we don't have any properties, then return gracefully
        if not self.properties:
            return

        if 'parent' not in self._property_keys:
            return

        track_lookup = [track['ID'] for track in self.properties]
        track_parents = [track['parent'] for track in self.properties]

        # now remove any root nodes
        branches = zip(track_lookup, track_parents)
        self._graph = [b for b in branches if b[0] != b[1]]

        # TODO(arl): parent can also be a list in the case of merging
        # need to deal with that here

        # lookup the actual indices for the tracks
        def _get_id(x):
            return track_lookup.index(x)

        graph = []
        for node, parent in self._graph:
            try:
                edge = (_get_id(node), _get_id(parent))
                graph.append(edge)
            except ValueError:
                continue

        # if we have no graph, return
        if not graph:
            return

        # we can use the graph to build the vertices and edges of the graph
        graph_vertices = []
        graph_connex = []

        for node_idx, parent_idx in graph:
            # we join from the first observation of the node, to the last
            # observation of the parent
            node = self.data[node_idx][0, ...]
            parent = self.data[parent_idx][-1, ...]

            verts = np.stack([node, parent], axis=0)
            graph_vertices.append(verts)

            graph_connex.append([True, False])

        self._graph_vertices = np.concatenate(graph_vertices, axis=0)
        self._graph_connex = np.concatenate(graph_connex, axis=0)
 build_graph

        Build the track graph using track properties. The track graph should be:

            [(track_idx, (parent_idx,...)),...]

        
build_graph
Build the track graph using track properties. The track graph should be.


build_graph Build the track graph using track properties . The track graph should be .
def build_graph(self):
        if not self.properties:
            return
        if 'parent' not in self._property_keys:
            return
        track_lookup = [track['ID'] for track in self.properties]
        track_parents = [track['parent'] for track in self.properties]
        branches = zip(track_lookup, track_parents)
        self._graph = [b for b in branches if b[0] != b[1]]
        def _get_id(x):
            return track_lookup.index(x)
        graph = []
        for node, parent in self._graph:
            try:
                edge = (_get_id(node), _get_id(parent))
                graph.append(edge)
            except ValueError:
                continue
        if not graph:
            return
        graph_vertices = []
        graph_connex = []
        for node_idx, parent_idx in graph:
            node = self.data[node_idx][0, ...]
            parent = self.data[parent_idx][-1, ...]
            verts = np.stack([node, parent], axis=0)
            graph_vertices.append(verts)
            graph_connex.append([True, False])
        self._graph_vertices = np.concatenate(graph_vertices, axis=0)
        self._graph_connex = np.concatenate(graph_connex, axis=0)
def build_graph ( self ) : if not self . properties : return if 'parent' not in self . _property_keys : return track_lookup = [ track [ 'ID' ] for track in self . properties ] track_parents = [ track [ 'parent' ] for track in self . properties ] branches = zip ( track_lookup , track_parents ) self . _graph = [ b for b in branches if b [ 0 ] != b [ 1 ] ] def _get_id ( x ) : return track_lookup . index ( x ) graph = [ ] for node , parent in self . _graph : try : edge = ( _get_id ( node ) , _get_id ( parent ) ) graph . append ( edge ) except ValueError : continue if not graph : return graph_vertices = [ ] graph_connex = [ ] for node_idx , parent_idx in graph : node = self . data [ node_idx ] [ 0 , ... ] parent = self . data [ parent_idx ] [ - 1 , ... ] verts = np . stack ( [ node , parent ] , axis = 0 ) graph_vertices . append ( verts ) graph_connex . append ( [ True , False ] ) self . _graph_vertices = np . concatenate ( graph_vertices , axis = 0 ) self . _graph_connex = np . concatenate ( graph_connex , axis = 0 )
build_graph
Build the track graph using track properties.
build_graph Build the track graph using track properties .
""" build_graph

        Build the track graph using track properties. The track graph should be:

            [(track_idx, (parent_idx,...)),...]

        """ # if we don't have any properties, then return gracefully # now remove any root nodes # TODO(arl): parent can also be a list in the case of merging # need to deal with that here # lookup the actual indices for the tracks # if we have no graph, return # we can use the graph to build the vertices and edges of the graph # we join from the first observation of the node, to the last # observation of the parent
self