Examples with Relaxer edu.rpi.graphdrawing.Relaxer used on opensource projects

Example 1 with Relaxer

use of edu.rpi.graphdrawing.Relaxer in project vcell by virtualcell.

the class WorkflowCartoonTool method layout.

public void layout(String layoutName) throws Exception {
    Blackboard bb = new Blackboard();
    HashMap<String, Shape> nodeShapeMap = new HashMap<String, Shape>();
    // add nodes
    boolean bHasSelections = getGraphModel().getSelectedShape() != null;
    ArrayList<Shape> vcellShapeList = new ArrayList<Shape>();
    for (Shape shape : getGraphModel().getShapes()) {
        vcellShapeList.add(shape);
        edu.rpi.graphdrawing.Node newNode = null;
        if (ShapeUtil.isMovable(shape)) {
            if (!bHasSelections || shape.isSelected()) {
                String shapeIndexStr = "node" + Integer.toString(vcellShapeList.indexOf(shape));
                newNode = bb.addNode(shapeIndexStr);
            }
        }
        // initialize node location to current absolute position
        if (newNode != null) {
            newNode.XY(shape.getSpaceManager().getAbsLoc().x, shape.getSpaceManager().getAbsLoc().y);
            nodeShapeMap.put(newNode.label(), shape);
        }
    }
    for (Shape shape : getGraphModel().getShapes()) {
        if (shape instanceof EdgeShape) {
            EdgeShape eShape = (EdgeShape) shape;
            Shape node1Shape = eShape.getStartShape();
            Shape node2Shape = eShape.getEndShape();
            if (!bHasSelections || (node1Shape.isSelected() && node2Shape.isSelected())) {
                String node1IndexStr = "node" + Integer.toString(vcellShapeList.indexOf(node1Shape));
                String node2IndexStr = "node" + Integer.toString(vcellShapeList.indexOf(node2Shape));
                bb.addEdge(node1IndexStr, node2IndexStr);
            }
        }
    }
    bb.setArea(0, 0, getGraphPane().getWidth(), getGraphPane().getHeight());
    bb.globals.D(20);
    bb.addEmbedder(GraphLayoutManager.OldLayouts.ANNEALER, new Annealer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.CIRCULARIZER, new Circularizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.CYCLEIZER, new Cycleizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.FORCEDIRECT, new ForceDirect(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.LEVELLER, new Leveller(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.RANDOMIZER, new Randomizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.RELAXER, new Relaxer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.STABILIZER, new Stabilizer(bb));
    bb.setEmbedding(layoutName);
    @SuppressWarnings("unchecked") List<Node> nodeList = bb.nodes();
    for (int i = 0; i < nodeList.size(); i++) {
        Node node = nodeList.get(i);
        System.out.println("Node " + node.label() + " @ (" + node.x() + "," + node.y() + ")");
    }
    bb.PreprocessNodes();
    Embedder embedder = bb.embedder();
    embedder.Init();
    for (int i = 0; i < 1000; i++) {
        embedder.Embed();
    }
    bb.removeDummies();
    @SuppressWarnings("unchecked") Vector<Node> nodes = bb.nodes();
    nodeList = nodes;
    // 
    // calculate offset and scaling so that resulting graph fits on canvas
    // 
    double lowX = 100000;
    double highX = -100000;
    double lowY = 100000;
    double highY = -100000;
    for (int i = 0; i < nodeList.size(); i++) {
        Node node = nodeList.get(i);
        lowX = Math.min(lowX, node.x());
        highX = Math.max(highX, node.x());
        lowY = Math.min(lowY, node.y());
        highY = Math.max(highY, node.y());
    }
    double scaleX = getGraphPane().getWidth() / (1.5 * (highX - lowX));
    double scaleY = getGraphPane().getHeight() / (1.5 * (highY - lowY));
    int offsetX = getGraphPane().getWidth() / 6;
    int offsetY = getGraphPane().getHeight() / 6;
    for (int i = 0; i < nodeList.size(); i++) {
        Node node = nodeList.get(i);
        Shape shape = nodeShapeMap.get(node.label());
        Point parentLoc = shape.getParent().getSpaceManager().getAbsLoc();
        shape.getSpaceManager().setAbsLoc(new Point((int) (scaleX * (node.x() - lowX)) + offsetX + parentLoc.x, (int) ((scaleY * (node.y() - lowY)) + offsetY + parentLoc.y)));
        System.out.println("Shape " + shape.getLabel() + " @ " + shape.getSpaceManager().getAbsLoc());
    }
    getGraphPane().repaint();
}

Example 2 with Relaxer

use of edu.rpi.graphdrawing.Relaxer in project vcell by virtualcell.

the class GraphLayoutManager method layoutRPI.

public void layoutRPI(Client client) throws Exception {
    Blackboard bb = new Blackboard();
    HashMap<String, Shape> nodeShapeMap = new HashMap<String, Shape>();
    for (Shape shape : client.getGraphModel().getShapes()) {
        Node newNode = null;
        if (ShapeUtil.isMovable(shape)) {
            newNode = bb.addNode(shape.getLabel());
        }
        // initialize node location to current absolute position
        if (newNode != null) {
            newNode.XY(shape.getSpaceManager().getAbsLoc().x, shape.getSpaceManager().getAbsLoc().y);
            nodeShapeMap.put(newNode.label(), shape);
        }
    }
    for (Shape shape : client.getGraphModel().getShapes()) {
        if (shape instanceof EdgeShape) {
            EdgeShape edgeShape = (EdgeShape) shape;
            Shape startShape = edgeShape.getStartShape();
            Shape endShape = edgeShape.getEndShape();
            if (edgeShape.isDirectedForward()) {
                bb.addEdge(startShape.getLabel(), endShape.getLabel());
            } else {
                bb.addEdge(endShape.getLabel(), startShape.getLabel());
            }
        }
    }
    bb.setArea(0, 0, client.getWidth(), client.getHeight());
    bb.globals.D(20);
    bb.addEmbedder(GraphLayoutManager.OldLayouts.ANNEALER, new Annealer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.CIRCULARIZER, new Circularizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.CYCLEIZER, new Cycleizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.FORCEDIRECT, new ForceDirect(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.LEVELLER, new Leveller(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.RANDOMIZER, new Randomizer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.RELAXER, new Relaxer(bb));
    bb.addEmbedder(GraphLayoutManager.OldLayouts.STABILIZER, new Stabilizer(bb));
    bb.setEmbedding(client.getLayoutName());
    @SuppressWarnings("unchecked") List<Node> nodeList = bb.nodes();
    bb.PreprocessNodes();
    Embedder embedder = bb.embedder();
    embedder.Init();
    for (int i = 0; i < 1000; i++) {
        embedder.Embed();
    }
    bb.removeDummies();
    @SuppressWarnings("unchecked") List<Node> nodesRaw = bb.nodes();
    nodeList = nodesRaw;
    for (int i = 0; i < nodeList.size(); i++) {
        Node node = nodeList.get(i);
        Shape shape = nodeShapeMap.get(node.label());
        if (shape != null) {
            shape.setAbsPos((int) node.x(), (int) node.y());
        }
    }
    new StretchToBoundaryLayouter().layout(client);
}