List of usage examples for javafx.beans.binding Bindings subtract
public static NumberBinding subtract(int op1, final ObservableNumberValue op2)
From source file:Main.java
public static void main(String[] args) { IntegerProperty x1 = new SimpleIntegerProperty(0); IntegerProperty y1 = new SimpleIntegerProperty(0); final NumberBinding x1y2 = Bindings.multiply(x1, y1); final NumberBinding sum1 = Bindings.add(x1y2, 2); final NumberBinding diff1 = Bindings.subtract(sum1, 1); final NumberBinding determinant = Bindings.subtract(diff1, 2); final NumberBinding area = Bindings.divide(determinant, 2.0D); x1.set(0);//from w w w. j a v a 2 s .c o m y1.set(0); printResult(x1, y1, area); x1.set(1); y1.set(0); printResult(x1, y1, area); }
From source file:edu.kit.trufflehog.view.jung.visualization.FXVisualizationViewer.java
synchronized private void initEdge(IConnection edge) { final Pair<INode> pair = this.layout.getGraph().getEndpoints(edge); if (pair.getSecond().getAddress().isMulticast()) { // TODO check or do something with this (generify the getShape command?) final Circle destCircle = (Circle) pair.getFirst().getComponent(ViewComponent.class).getRenderer() .getShape();// ww w .jav a2s . com final Shape shape = edge.getComponent(ViewComponent.class).getRenderer().getShape(); shape.layoutXProperty().bind(destCircle.layoutXProperty()); shape.layoutYProperty().bind(destCircle.layoutYProperty()); canvas.getChildren().add(shape); shape.setPickOnBounds(false); shape.setMouseTransparent(true); return; } // source and destination shape final Shape srcShape = pair.getFirst().getComponent(ViewComponent.class).getRenderer().getShape(); final Shape destShape = pair.getSecond().getComponent(ViewComponent.class).getRenderer().getShape(); // the positions of the shapes final DoubleBinding srcX = srcShape.layoutXProperty().add(srcShape.translateXProperty()); final DoubleBinding srcY = srcShape.layoutYProperty().add(srcShape.translateYProperty()); final DoubleBinding destX = destShape.layoutXProperty().add(destShape.translateXProperty()); final DoubleBinding destY = destShape.layoutYProperty().add(destShape.translateYProperty()); // the direction vector from source to destination (deltaX, deltaY) final DoubleBinding deltaX = destX.subtract(srcX); final DoubleBinding deltaY = destY.subtract(srcY); // the length of the direction vector final DoubleBinding length = MyBindings .sqrt(Bindings.add(MyBindings.pow2(deltaX), MyBindings.pow2(deltaY))); // the normalized direction vector final DoubleBinding normalX = deltaX.divide(length); final DoubleBinding normalY = deltaY.divide(length); // cast the shapes to circles (because right now i know they are circles) //TODO make this for arbitrary shapes final Circle destCircle = (Circle) destShape; final Circle srcCircle = (Circle) srcShape; // get the real source by multiplying the normal with the radius and the scale of the shape final DoubleBinding realSoureX = srcX .add(normalX.multiply(srcCircle.radiusProperty().multiply(srcShape.scaleXProperty()))); final DoubleBinding realSoureY = srcY .add(normalY.multiply(srcCircle.radiusProperty().multiply(srcShape.scaleYProperty()))); // get the real destination by multipling the normal vector with the length minus the radius and scale of the destination shape final DoubleBinding realDestX = srcX.add(normalX .multiply(length.subtract(destCircle.radiusProperty().multiply(destShape.scaleXProperty())))); final DoubleBinding realDestY = srcY.add(normalY .multiply(length.subtract(destCircle.radiusProperty().multiply(destShape.scaleYProperty())))); final IEdgeRenderer edgeRenderer = (IEdgeRenderer) edge.getComponent(ViewComponent.class).getRenderer(); edgeRenderer.getArrowShape().layoutXProperty().bind(realDestX); edgeRenderer.getArrowShape().layoutYProperty().bind(realDestY); final QuadCurve curve = edgeRenderer.getLine(); curve.setCacheHint(CacheHint.SPEED); curve.addEventFilter(MouseEvent.MOUSE_PRESSED, edgeGestures.getOnMousePressedEventHandler(edge)); curve.addEventFilter(MouseEvent.MOUSE_RELEASED, edgeGestures.getOnMouseReleasedEventHandler(edge)); edgeRenderer.getArrowShape().addEventFilter(MouseEvent.MOUSE_PRESSED, edgeGestures.getOnMousePressedEventHandler(edge)); edgeRenderer.getArrowShape().addEventFilter(MouseEvent.MOUSE_RELEASED, edgeGestures.getOnMouseReleasedEventHandler(edge)); /* // make the edge clickable curve.setOnMouseClicked(e -> { if (e.getButton() != MouseButton.PRIMARY) { return; } logger.debug(edge.getSrc().getComponent(NodeInfoComponent.class).toString() + " --[" + edge.getComponent(EdgeStatisticsComponent.class).getTraffic() + "]-->" + edge.getDest().getComponent(NodeInfoComponent.class).toString()); // edge.getComponent(ViewComponent.class).getRenderer().togglePicked(); }); edgeRenderer.getArrowShape().setOnMouseClicked(e -> { if (e.getButton() != MouseButton.PRIMARY) { return; } logger.debug(edge.getSrc().getComponent(NodeInfoComponent.class).toString() + " --[" + edge.getComponent(EdgeStatisticsComponent.class).getTraffic() + "]-->" + edge.getDest().getComponent(NodeInfoComponent.class).toString()); // edge.getComponent(ViewComponent.class).getRenderer().togglePicked(); });*/ //get the edge size binding by dividing the total traffic with the local traffic DoubleBinding edgeSize = MyBindings .divideIntToDouble(edge.getComponent(EdgeStatisticsComponent.class).getTrafficProperty(), port.getMaxConnectionSizeProperty()) .multiply(8).add(2); curve.strokeWidthProperty().bind(edgeSize.multiply(edgeRenderer.edgeWidthMultiplierProperty())); // bind the ending to the real destionaion point curve.endXProperty().bind(realDestX); curve.endYProperty().bind(realDestY); // bind the source to the real source point curve.startXProperty().bind(realSoureX); curve.startYProperty().bind(realSoureY); NumberBinding normalVectorX = Bindings.subtract(realDestY, realSoureY).negate(); NumberBinding normalVectorY = Bindings.subtract(realDestX, realSoureX); NumberBinding centerPointX = Bindings.divide(Bindings.add(curve.endXProperty(), curve.startXProperty()), 2); NumberBinding centerPointY = Bindings.divide(Bindings.add(curve.endYProperty(), curve.startYProperty()), 2); NumberBinding normalLength = MyBindings .sqrt(Bindings.add(normalVectorX.multiply(normalVectorX), normalVectorY.multiply(normalVectorY))); NumberBinding normalizedNVX = normalVectorX.divide(normalLength); NumberBinding normalizedNVY = normalVectorY.divide(normalLength); NumberBinding bezierPointOffset = length.multiply(.1); curve.controlXProperty().bind(Bindings.add(centerPointX, normalizedNVX.multiply(bezierPointOffset))); curve.controlYProperty().bind(Bindings.add(centerPointY, normalizedNVY.multiply(bezierPointOffset))); // TODO do this in component curve.setFill(null); canvas.getChildren().add(edgeRenderer.getArrowShape()); // add the edge to the canvas canvas.getChildren().add(curve); }
From source file:nl.rivm.cib.episim.model.disease.infection.MSEIRSPlot.java
@Override public void start(final Stage stage) { final SIRConfig conf = ConfigFactory.create(SIRConfig.class); final double[] t = conf.t(); final long[] pop = conf.population(); final double n0 = Arrays.stream(pop).sum(); final String[] colors = conf.colors(), colors2 = conf.colors2(); final Pane plot = new Pane(); plot.setPrefSize(400, 300);/* www . j ava 2 s. com*/ plot.setMinSize(50, 50); final NumberAxis xAxis = new NumberAxis(t[0], t[1], (t[1] - t[0]) / 10); final NumberAxis yAxis = new NumberAxis(0, n0, n0 / 10); final Pane axes = new Pane(); axes.prefHeightProperty().bind(plot.heightProperty()); axes.prefWidthProperty().bind(plot.widthProperty()); xAxis.setSide(Side.BOTTOM); xAxis.setMinorTickVisible(false); xAxis.setPrefWidth(axes.getPrefWidth()); xAxis.prefWidthProperty().bind(axes.widthProperty()); xAxis.layoutYProperty().bind(axes.heightProperty()); yAxis.setSide(Side.LEFT); yAxis.setMinorTickVisible(false); yAxis.setPrefHeight(axes.getPrefHeight()); yAxis.prefHeightProperty().bind(axes.heightProperty()); yAxis.layoutXProperty().bind(Bindings.subtract(1, yAxis.widthProperty())); axes.getChildren().setAll(xAxis, yAxis); final Label lbl = new Label(String.format("R0=%.1f, recovery=%.1ft\nSIR(0)=%s", conf.reproduction(), conf.recovery(), Arrays.toString(pop))); lbl.setTextAlignment(TextAlignment.CENTER); lbl.setTextFill(Color.WHITE); final Path[] deterministic = { new Path(), new Path(), new Path() }; IntStream.range(0, pop.length).forEach(i -> { final Color color = Color.valueOf(colors[i]); final Path path = deterministic[i]; path.setStroke(color.deriveColor(0, 1, 1, 0.6)); path.setStrokeWidth(2); path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight())); }); plot.getChildren().setAll(axes); // fill paths with integration estimates final double xl = xAxis.getLowerBound(), sx = plot.getPrefWidth() / (xAxis.getUpperBound() - xl), yh = plot.getPrefHeight(), sy = yh / (yAxis.getUpperBound() - yAxis.getLowerBound()); final TreeMap<Double, Integer> iDeterministic = new TreeMap<>(); MSEIRSTest.deterministic(conf, () -> new DormandPrince853Integrator(1.0E-8, 10, 1.0E-20, 1.0E-20)) .subscribe(yt -> { iDeterministic.put(yt.getKey(), deterministic[0].getElements().size()); final double[] y = yt.getValue(); final double x = (yt.getKey() - xl) * sx; for (int i = 0; i < y.length; i++) { final double yi = yh - y[i] * sy; final PathElement di = deterministic[i].getElements().isEmpty() ? new MoveTo(x, yi) : new LineTo(x, yi); deterministic[i].getElements().add(di); } }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(deterministic)); final Path[] stochasticTau = { new Path(), new Path(), new Path() }; IntStream.range(0, pop.length).forEach(i -> { final Color color = Color.valueOf(colors[i]); final Path path = stochasticTau[i]; path.setStroke(color); path.setStrokeWidth(1); path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight())); }); final TreeMap<Double, Integer> iStochasticTau = new TreeMap<>(); MSEIRSTest.stochasticGillespie(conf).subscribe(yt -> { final double x = (yt.getKey() - xl) * sx; iStochasticTau.put(yt.getKey(), stochasticTau[0].getElements().size()); final long[] y = yt.getValue(); for (int i = 0; i < y.length; i++) { final double yi = yh - y[i] * sy; final ObservableList<PathElement> path = stochasticTau[i].getElements(); if (path.isEmpty()) { path.add(new MoveTo(x, yi)); // first } else { final PathElement last = path.get(path.size() - 1); final double y_prev = last instanceof MoveTo ? ((MoveTo) last).getY() : ((LineTo) last).getY(); path.add(new LineTo(x, y_prev)); path.add(new LineTo(x, yi)); } } }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(stochasticTau)); final Path[] stochasticRes = { new Path(), new Path(), new Path() }; IntStream.range(0, pop.length).forEach(i -> { final Color color = Color.valueOf(colors2[i]); final Path path = stochasticRes[i]; path.setStroke(color); path.setStrokeWidth(1); path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight())); }); final TreeMap<Double, Integer> iStochasticRes = new TreeMap<>(); MSEIRSTest.stochasticSellke(conf).subscribe(yt -> { final double x = (yt.getKey() - xl) * sx; iStochasticRes.put(yt.getKey(), stochasticRes[0].getElements().size()); final long[] y = yt.getValue(); for (int i = 0; i < y.length; i++) { final double yi = yh - y[i] * sy; final ObservableList<PathElement> path = stochasticRes[i].getElements(); if (path.isEmpty()) { path.add(new MoveTo(x, yi)); // first } else { final PathElement last = path.get(path.size() - 1); final double y_prev = last instanceof MoveTo ? ((MoveTo) last).getY() : ((LineTo) last).getY(); path.add(new LineTo(x, y_prev)); path.add(new LineTo(x, yi)); } } }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(stochasticRes)); // auto-scale on stage/plot resize // FIXME scaling around wrong origin, use ScatterChart? // xAxis.widthProperty() // .addListener( (ChangeListener<Number>) ( observable, // oldValue, newValue ) -> // { // final double scale = ((Double) newValue) // / plot.getPrefWidth(); // plot.getChildren().filtered( n -> n instanceof Path ) // .forEach( n -> // { // final Path path = (Path) n; // path.setScaleX( scale ); // path.setTranslateX( (path // .getBoundsInParent().getWidth() // - path.getLayoutBounds().getWidth()) // / 2 ); // } ); // } ); // plot.heightProperty() // .addListener( (ChangeListener<Number>) ( observable, // oldValue, newValue ) -> // { // final double scale = ((Double) newValue) // / plot.getPrefHeight(); // plot.getChildren().filtered( n -> n instanceof Path ) // .forEach( n -> // { // final Path path = (Path) n; // path.setScaleY( scale ); // path.setTranslateY( // (path.getBoundsInParent() // .getHeight() * (scale - 1)) // / 2 ); // } ); // } ); final StackPane layout = new StackPane(lbl, plot); layout.setAlignment(Pos.TOP_CENTER); layout.setPadding(new Insets(50)); layout.setStyle("-fx-background-color: rgb(35, 39, 50);"); final Line vertiCross = new Line(); vertiCross.setStroke(Color.SILVER); vertiCross.setStrokeWidth(1); vertiCross.setVisible(false); axes.getChildren().add(vertiCross); final Tooltip tip = new Tooltip(""); tip.setAutoHide(false); tip.hide(); axes.setOnMouseExited(ev -> tip.hide()); axes.setOnMouseMoved(ev -> { final Double x = (Double) xAxis.getValueForDisplay(ev.getX()); if (x > xAxis.getUpperBound() || x < xAxis.getLowerBound()) { tip.hide(); vertiCross.setVisible(false); return; } final Double y = (Double) yAxis.getValueForDisplay(ev.getY()); if (y > yAxis.getUpperBound() || y < yAxis.getLowerBound()) { tip.hide(); vertiCross.setVisible(false); return; } final double xs = xAxis.getDisplayPosition(x); vertiCross.setStartX(xs); vertiCross.setStartY(yAxis.getDisplayPosition(0)); vertiCross.setEndX(xs); vertiCross.setEndY(yAxis.getDisplayPosition(yAxis.getUpperBound())); vertiCross.setVisible(true); final int i = (iDeterministic.firstKey() > x ? iDeterministic.firstEntry() : iDeterministic.floorEntry(x)).getValue(); final Object[] yi = Arrays.stream(deterministic).mapToDouble(p -> getY(p, i)) .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 1)).toArray(); final int j = (iStochasticTau.firstKey() > x ? iStochasticTau.firstEntry() : iStochasticTau.floorEntry(x)).getValue(); final Object[] yj = Arrays.stream(stochasticTau).mapToDouble(p -> getY(p, j)) .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 0)).toArray(); final int k = (iStochasticRes.firstKey() > x ? iStochasticRes.firstEntry() : iStochasticRes.floorEntry(x)).getValue(); final Object[] yk = Arrays.stream(stochasticRes).mapToDouble(p -> getY(p, k)) .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 0)).toArray(); final String txt = String.format("SIR(t=%.1f)\n" + "~det%s\n" + "~tau%s\n" + "~res%s", x, Arrays.toString(yi), Arrays.toString(yj), Arrays.toString(yk)); tip.setText(txt); tip.show(axes, ev.getScreenX() - ev.getSceneX() + xs, ev.getScreenY() + 15); }); try { stage.getIcons().add(new Image(FileUtil.toInputStream("icon.jpg"))); } catch (final IOException e) { LOG.error("Problem", e); } stage.setTitle("Deterministic vs. Stochastic"); stage.setScene(new Scene(layout, Color.rgb(35, 39, 50))); // stage.setOnHidden( ev -> tip.hide() ); stage.show(); }