GIS data visualization

iterating.java

        File file = new File("110m_cultural\\110m_admin_0_countries.shp");
        FileDataStore store = FileDataStoreFinder.getDataStore(file);
        SimpleFeatureSource featureSource = store.getFeatureSource();
        SimpleFeatureCollection c = featureSource.getFeatures();
        SimpleFeatureIterator featuresIterator = c.features();
        Coordinate[] coords;
        Geometry polygon;
        Point centroid;
        Bounds bounds;
        while (featuresIterator.hasNext()) {
            SimpleFeature o = featuresIterator.next();
            String name = (String) o.getAttribute("NAME");
            Object geometry = o.getDefaultGeometry();
        }

panning.java

        map.setOnMousePressed(new EventHandler<MouseEvent>() {
            public void handle(MouseEvent event) {
                scene.setCursor(Cursor.MOVE);
                dragBaseX = map.translateXProperty().get();
                dragBaseY = map.translateYProperty().get();
                dragBase2X = event.getSceneX();
                dragBase2Y = event.getSceneY();
            }
        });
        map.setOnMouseDragged(new EventHandler<MouseEvent>() {
            public void handle(MouseEvent event) {
                map.setTranslateX(dragBaseX + (event.getSceneX()-dragBase2X));
                map.setTranslateY(dragBaseY + (event.getSceneY()-dragBase2Y));
            }
        });
        map.setOnMouseReleased(new EventHandler<MouseEvent>() {
            public void handle(MouseEvent event) {
                scene.setCursor(Cursor.DEFAULT);
            }
        });

polygons.java

            if (geometry instanceof MultiPolygon) {
                MultiPolygon multiPolygon = (MultiPolygon) geometry;

                centroid = multiPolygon.getCentroid();
                final Text text = new Text(name);
                bounds = text.getBoundsInLocal();
                text.getTransforms().add(new Translate(centroid.getX(), centroid.getY()));
                text.getTransforms().add(new Scale(0.1,-0.1));
                text.getTransforms().add(new Translate(-bounds.getWidth()/2., bounds.getHeight()/2.));
                texts.getChildren().add(text);
                
                for (int geometryI=0;geometryI<multiPolygon.getNumGeometries();geometryI++) {
                    polygon = multiPolygon.getGeometryN(geometryI);
                    
                    coords = polygon.getCoordinates();
                    Path path = new Path();
                    path.setStrokeWidth(0.05);
                    currentColor = (currentColor+1)%colors.length;
                    path.setFill(colors[currentColor]);
                    path.getElements().add(new MoveTo(coords[0].x, coords[0].y));
                    for (int i=1;i<coords.length;i++) {
                        path.getElements().add(new LineTo(coords[i].x, coords[i].y));
                    }
                    path.getElements().add(new LineTo(coords[0].x, coords[0].y));
                    map1.getChildren().add(path);
                }
            }

zoom.java

    private void zoom(double d) {
        map.scaleXProperty().set(map.scaleXProperty().get() * d);
        map.scaleYProperty().set(map.scaleYProperty().get() * d);
    }

...

        VBox vbox = new VBox();
        final Button plus = new Button("+");
        plus.setOnAction(new EventHandler<ActionEvent>() {
            public void handle(ActionEvent event) {
                zoom(1.4);
            }
        });
        vbox.getChildren().add(plus);
        final Button minus = new Button("-");
        minus.setOnAction(new EventHandler<ActionEvent>() {
            public void handle(ActionEvent event) {
                zoom(1./1.4);
            }
        });
        vbox.getChildren().add(minus);
        root.getChildren().add(vbox);