Пример #1
0
static boolean pushNeighbours(Node * node, Node * oppositeNode,
			      Coordinate distance, boolean force_jumps)
{
	Node *candidate;
	Coordinate oldLength = getNodeLength(node);
	MiniConnection *localConnect;
	NodeList *path, *tmp;

	if ((path = pathIsClear(node, oppositeNode, distance))) {
		while (path) {
			candidate = path->node;
			tmp = path->next;
			deallocateNodeList(path);
			path = tmp;

			///////////////////////////////////////
			//  Stepping forward to destination  //
			///////////////////////////////////////

			if (getUniqueness(candidate)) {
				concatenateReadStarts(node, candidate,
						      graph);
				concatenateLongReads(node, candidate,
						     graph);
				absorbExtension(node, candidate);

				// Scaffold changes
				recenterNode(node, oldLength);
				recenterLocalScaffold(node, oldLength);
				absorbExtensionInScaffold(node, candidate);

				// Read coverage
#ifndef SINGLE_COV_CAT
				Category cat;
				for (cat = 0; cat < CATEGORIES; cat++) {
					incrementVirtualCoverage(node, cat,
								 getVirtualCoverage(candidate, cat));
					incrementOriginalVirtualCoverage(node, cat,
									 getOriginalVirtualCoverage(candidate, cat));
				}
#else
				incrementVirtualCoverage(node, getVirtualCoverage(candidate));
#endif

				if (getNodeStatus(candidate)) {
					localConnect =
					    &localScaffold[getNodeID
							   (candidate) +
							   nodeCount
							   (graph)];
					if (localConnect->frontReference) {
						destroyConnection
						    (localConnect->
						     frontReference,
						     getNodeID(node));
						localConnect->
						    frontReference = NULL;
					}
					if (localConnect->backReference) {
						destroyConnection
						    (localConnect->
						     backReference,
						     -getNodeID(node));
						localConnect->
						    backReference = NULL;
					}
					unmarkNode(candidate,
						   localConnect);
				}
				if (getNodeStatus(getTwinNode(candidate))) {
					localConnect =
					    &localScaffold[-getNodeID
							   (candidate) +
							   nodeCount
							   (graph)];
					if (localConnect->frontReference) {
						destroyConnection
						    (localConnect->
						     frontReference,
						     getNodeID(node));
						localConnect->
						    frontReference = NULL;
					}
					if (localConnect->backReference) {
						destroyConnection
						    (localConnect->
						     backReference,
						     -getNodeID(node));
						localConnect->
						    backReference = NULL;
					}
					unmarkNode(getTwinNode(candidate),
						   localConnect);
				}
				destroyNode(candidate, graph);
				return true;
			} else {
				adjustShortReads(node, candidate);
				adjustLongReads(node, getNodeLength(candidate));
				absorbExtension(node, candidate);
			}
		}
	}

	if (force_jumps && oppositeNode
	    && abs_ID(getNodeID(oppositeNode)) < abs_ID(getNodeID(node))) {
		distance -= getNodeLength(node) / 2;
		distance -= getNodeLength(oppositeNode) / 2;
		if (distance > 10) {
			adjustShortReadsByLength(node, distance);
			adjustLongReads(node, distance);
			appendGap(node, distance, graph);
		} else {
			adjustShortReadsByLength(node, 10);
			adjustLongReads(node, 10);
			appendGap(node, 10, graph);
		}

		concatenateReadStarts(node, oppositeNode, graph);
		concatenateLongReads(node, oppositeNode, graph);
		absorbExtension(node, oppositeNode);

		// Scaffold changes
		recenterNode(node, oldLength);
		recenterLocalScaffold(node, oldLength);
		absorbExtensionInScaffold(node, oppositeNode);

		// Read coverage
#ifndef SINGLE_COV_CAT
		Category cat;
		for (cat = 0; cat < CATEGORIES; cat++)
			incrementVirtualCoverage(node, cat,
						 getVirtualCoverage(oppositeNode, cat));
#else
		incrementVirtualCoverage(node, getVirtualCoverage(oppositeNode));
#endif

		if (getNodeStatus(oppositeNode)) {
			localConnect =
			    &localScaffold[getNodeID(oppositeNode) +
					   nodeCount(graph)];
			if (localConnect->frontReference) {
				destroyConnection(localConnect->
						  frontReference,
						  getNodeID(node));
				localConnect->frontReference = NULL;
			}
			if (localConnect->backReference) {
				destroyConnection(localConnect->
						  backReference,
						  -getNodeID(node));
				localConnect->backReference = NULL;
			}
			unmarkNode(oppositeNode, localConnect);
		}
		if (getNodeStatus(getTwinNode(oppositeNode))) {
			localConnect =
			    &localScaffold[-getNodeID(oppositeNode) +
					   nodeCount(graph)];
			if (localConnect->frontReference) {
				destroyConnection(localConnect->
						  frontReference,
						  getNodeID(node));
				localConnect->frontReference = NULL;
			}
			if (localConnect->backReference) {
				destroyConnection(localConnect->
						  backReference,
						  -getNodeID(node));
				localConnect->backReference = NULL;
			}
			unmarkNode(getTwinNode(oppositeNode),
				   localConnect);
		}

		destroyNode(oppositeNode, graph);
	}

	return false;
}
Пример #2
0
static Node *bypass()
{
	Node *bypass = getNode(path);
	Node *next = NULL;
	Arc *arc;
	PassageMarkerI nextMarker;

	// Remove unwanted arcs
	while (getArc(bypass) != NULL)
		destroyArc(getArc(bypass), graph);

	// Update extensive variables (length + descriptors + passage markers)
	while (!isTerminal(path)) {
		nextMarker = getNextInSequence(path);
		next = getNode(nextMarker);
		while (next == bypass) {
			disconnectNextPassageMarker(path, graph);
			destroyPassageMarker(nextMarker);
			nextMarker = getNextInSequence(path);
			next = getNode(nextMarker);
		}

		if (next == NULL)
			return bypass;

		// Overall node update 
		if (!getUniqueness(next)) {
			adjustShortReads(bypass, getNextInSequence(path));
			appendSequence(bypass, sequences,
				       getNextInSequence(path), graph);
		} else {
			concatenateReadStarts(bypass, next, graph);

#ifndef SINGLE_COV_CAT
			Category cat;
			for (cat = 0; cat < CATEGORIES; cat++) {
				// Update virtual coverage
				incrementVirtualCoverage(bypass, cat,
							 getVirtualCoverage(next, cat));
				// Update original virtual coverage
				incrementOriginalVirtualCoverage(bypass, cat,
								 getOriginalVirtualCoverage(next, cat));
			}
#else
			incrementVirtualCoverage(bypass, getVirtualCoverage(next));
#endif
			appendDescriptors(bypass, next);
		}

		// Members
		updateMembers(bypass, next);

		// Termination 
		if (isTerminal(path) || getUniqueness(next))
			break;
	}

	// Remove unique groupies from arrival 
	admitGroupies(next, bypass);

	// Copy destination arcs
	for (arc = getArc(next); arc != NULL; arc = getNextArc(arc)) {
		if (getDestination(arc) == next)
			continue;
		else if (getDestination(arc) == getTwinNode(next))
			createAnalogousArc(bypass, getTwinNode(bypass),
					   arc, graph);
		else
			createAnalogousArc(bypass, getDestination(arc),
					   arc, graph);
	}

	destroyNode(next, graph);

	return bypass;
}