Examples of org.gephi.preview.plugin.items.NodeItem

        for (Item item : previewModel.getItems(Item.EDGE_LABEL)) {
            Edge edge = (Edge) item.getSource();
            Item edgeItem = previewModel.getItem(Item.EDGE, edge);


            EdgeColor edgeColor = (EdgeColor) properties.getValue(PreviewProperty.EDGE_COLOR);
            NodeItem sourceItem = (NodeItem) edgeItem.getData(EdgeRenderer.SOURCE);
            NodeItem targetItem = (NodeItem) edgeItem.getData(EdgeRenderer.TARGET);
            Color color = edgeColor.getColor((Color) item.getData(EdgeItem.COLOR),
                    (Color) sourceItem.getData(NodeItem.COLOR),
                    (Color) targetItem.getData(NodeItem.COLOR));
            item.setData(EDGE_COLOR, color);
            if (edge.isSelfLoop()) {
                //Middle
                Float x = sourceItem.getData(NodeItem.X);
                Float y = sourceItem.getData(NodeItem.Y);
                Float size = sourceItem.getData(NodeItem.SIZE);


                Vector v1 = new Vector(x, y);
                v1.add(size, -size);


                Vector v2 = new Vector(x, y);
                v2.add(size, size);


                Vector middle = bezierPoint(x, y, v1.x, v1.y, v2.x, v2.y, x, y, 0.5f);
                item.setData(LABEL_X, middle.x);
                item.setData(LABEL_Y, middle.y);


            } else if (properties.getBooleanValue(PreviewProperty.EDGE_CURVED)) {
                //Middle of the curve
                Float x1 = sourceItem.getData(NodeItem.X);
                Float x2 = targetItem.getData(NodeItem.X);
                Float y1 = sourceItem.getData(NodeItem.Y);
                Float y2 = targetItem.getData(NodeItem.Y);


                //Curved edgs
                Vector direction = new Vector(x2, y2);
                direction.sub(new Vector(x1, y1));
                float length = direction.mag();
                direction.normalize();


                float factor = properties.getFloatValue(EdgeRenderer.BEZIER_CURVENESS) * length;


                // normal vector to the edge
                Vector n = new Vector(direction.y, -direction.x);
                n.mult(factor);


                // first control point
                Vector v1 = new Vector(direction.x, direction.y);
                v1.mult(factor);
                v1.add(new Vector(x1, y1));
                v1.add(n);


                // second control point
                Vector v2 = new Vector(direction.x, direction.y);
                v2.mult(-factor);
                v2.add(new Vector(x2, y2));
                v2.add(n);


                Vector middle = bezierPoint(x1, y1, v1.x, v1.y, v2.x, v2.y, x2, y2, 0.5f);
                item.setData(LABEL_X, middle.x);
                item.setData(LABEL_Y, middle.y);
            } else {
                Float x = ((Float) sourceItem.getData(NodeItem.X) + (Float) targetItem.getData(NodeItem.X)) / 2f;
                Float y = ((Float) sourceItem.getData(NodeItem.Y) + (Float) targetItem.getData(NodeItem.Y)) / 2f;
                item.setData(LABEL_X, x);
                item.setData(LABEL_Y, y);
            }
        }

    public Item[] getItems(Graph graph, AttributeModel attributeModel) {


        Item[] items = new NodeItem[graph.getNodeCount()];
        int i = 0;
        for (Node n : graph.getNodes()) {
            NodeItem nodeItem = new NodeItem(n);
            nodeItem.setData(NodeItem.X, n.x());
            nodeItem.setData(NodeItem.Y, -n.y());
            nodeItem.setData(NodeItem.Z, n.z());
            nodeItem.setData(NodeItem.SIZE, n.size() * 2f);
            nodeItem.setData(NodeItem.COLOR, n.getColor());
            items[i++] = nodeItem;
        }
        return items;
    }

Examples of org.gephi.preview.plugin.items.NodeItem

Related Classes of org.gephi.preview.plugin.items.NodeItem