draggingshapeswithgeometry.java

world wind java sdk 源码

            layer.setPickEnabled(true);
             return layer;
         }

        private AbstractLayer buildRandomCircleShapesLayer()
         {
             SurfaceShapeLayer layer = new SurfaceShapeLayer();

           // Generate random numbers of circles over the US...
            for (int i = 0; i < numCircles; i++) {
                double lat = (25. + Math.random() * (50. - 25.));
                double lon = -(64 + Math.random() * (125. - 64.));
                double size = 100000. * Math.random();
                SurfaceCircle surfaceCircle = new SurfaceCircle(LatLon.fromDegrees(lat, lon), size);
                surfaceCircle.getAttributes().setInteriorMaterial(new Material(new Color(1f, 0.11f, 0.2f)));
                surfaceCircle.getAttributes().setInteriorOpacity(0.6);
                surfaceCircle.getAttributes().setOutlineMaterial(new Material(new Color(0f, 1f, 0f)));
                surfaceCircle.getAttributes().setOutlineOpacity(0.6);
                surfaceCircle.getAttributes().setOutlineWidth(3);
                layer.addRenderable(surfaceCircle);
            }

            layer.setPickEnabled(true);
             return layer;
         }

        private RenderableLayer buildRandomCirclesLayerPolyArc()
         {
             RenderableLayer layer = new RenderableLayer();

           // Generate random numbers of circles over the US...
            for (int i = 0; i < numCircles; i++) {
                double lat = (25. + Math.random() * (50. - 25.));
                double lon = -(64 + Math.random() * (125. - 64.));
                double size = 100000. * Math.random();
                CappedCylinder cyl = new SurfaceCircle2();
                cyl.getAttributes().setMaterial(Material.RED);
                cyl.getAttributes().setOpacity(0.8);
                cyl.setCenter(LatLon.fromDegrees(lat, lon));
                cyl.setRadius(size);
                cyl.setAltitudes(0,0);
                cyl.setTerrainConforming(true, true);
                cyl.setEnableLevelOfDetail(true);
                layer.addRenderable(cyl);
            }

            layer.setPickEnabled(true);
             return layer;
         }

/******* COMMENT OUT UNTIL SurfaceEllipseGeometry2 can be refactored to reflect the new airspace package.
        private RenderableLayer buildRandomEllipses(Globe globe)
         {
             RenderableLayer layer = new RenderableLayer();

           // Generate random numbers of circles over the US...
            for (int i = 0; i < numCircles; i++) {
                double lat = (25. + Math.random() * (50. - 25.));
                double lon = -(64 + Math.random() * (125. - 64.));
                double size = 100000. * Math.random();
                SurfaceEllipseGeometry2 ell = new SurfaceEllipseGeometry2(globe,
                    LatLon.fromDegrees(lat, lon), size, size, Angle.ZERO, 8);
                layer.addRenderable(ell);
            }

            layer.setPickEnabled(true);
             return layer;
         }
**************/

        private RenderableLayer buildWyomingLayer() {
            RenderableLayer layer = new RenderableLayer();

            // Square to cover (approx.) Wyoming...
            // Wyoming is purportedly 97818 Sq. Miles --> 253,347,456,970 square meters
            // (see http://www.netstate.com/states/alma/wy_alma.htm)

            SurfaceShapeGeometry surfaceQuad = new SurfaceSectorGeometry(new Sector(
                    Angle.fromDegrees(41), Angle.fromDegrees(45.),
                    Angle.fromDegrees(-111), Angle.fromDegrees(-104)),
                    new Color(0f, 1f, 1f, 0.3f), new Color(0.5f, 1f, 1f, 0.8f));
            layer.addRenderable(surfaceQuad);

            layer.setPickEnabled(true);
            return layer;
        }

        private Font makeToolTipFont()
        {
            HashMap<TextAttribute, Object> fontAttributes = new HashMap<TextAttribute, Object>();

            fontAttributes.put(TextAttribute.BACKGROUND, new Color(0.4f, 0.4f, 0.4f, 1f));
            return Font.decode("Arial-BOLD-14").deriveFont(fontAttributes);
        }

        private RenderableLayer buildShapesLayer()
        {
            // Create a layer with shapes to drag.

            RenderableLayer layer = new RenderableLayer();

            // Create a yellow, semi-transparent surface shape over Mt. Shasta.
            Color interiorColor = new Color(1f, 1f, 0f, 0.3f);
            Color borderColor = new Color(1f, 1f, 0f, 0.8f);
            SurfaceShapeGeometry surfaceSector = new SurfaceSectorGeometry(new Sector(
                Angle.fromDegrees(41.0), Angle.fromDegrees(41.6),
                Angle.fromDegrees(-122.5), Angle.fromDegrees(-121.7)),
                interiorColor, borderColor);
            layer.addRenderable(surfaceSector);

            // Create a turquoise, semi-transparent surface shape over Lake Tahoe.
            SurfaceShapeGeometry surfaceQuad = new SurfaceSectorGeometry(new Sector(
                Angle.fromDegrees(38.9), Angle.fromDegrees(39.3),
                Angle.fromDegrees(-120.2), Angle.fromDegrees(-119.9)),
                new Color(0f, 1f, 1f, 0.3f), new Color(0.5f, 1f, 1f, 0.8f));
            layer.addRenderable(surfaceQuad);

            // Create an ellipse over the center of the States.
            SurfaceShapeGeometry surfaceEllipse = new SurfaceEllipseGeometry(getWwd().getModel().getGlobe(),
                LatLon.fromDegrees(38, -104), 1.5e5, 1e5, Angle.fromDegrees(15), 16,
                new Color(0f, 1f, 1f, 0.3f), new Color(0.5f, 1f, 1f, 0.8f));
            surfaceEllipse.setDrawInterior(false);
            layer.addRenderable(surfaceEllipse);

            // Create a quadrilateral over  the States.
            SurfaceShapeGeometry surfaceQuadShape = new SurfaceQuadGeometry(getWwd().getModel().getGlobe(),
                LatLon.fromDegrees(42, -104), 1e5, 1.3e5, Angle.fromDegrees(20),
                new Color(0f, 1f, 1f, 0.3f), new Color(0.5f, 1f, 1f, 0.8f));
            layer.addRenderable(surfaceQuadShape);

            // Create a square over the  States.
            SurfaceShapeGeometry surfaceSquareShape = new SurfaceSquareGeometry(getWwd().getModel().getGlobe(),
                LatLon.fromDegrees(45, -104), 1e5,
                new Color(0f, 1f, 1f, 0.3f), new Color(0.5f, 1f, 1f, 0.8f));
            surfaceSquareShape.setDrawBorder(false);
            layer.addRenderable(surfaceSquareShape);

            // Create a circle over the  States.
            SurfaceShapeGeometry surfaceCircleShape = new SurfaceCircleGeometry(getWwd().getModel().getGlobe(),
                LatLon.fromDegrees(36, -104), 1e5, 16,
                new Color(0f, 1f, 1f, 1f), new Color(0.5f, 1f, 1f, 0.8f));
            layer.addRenderable(surfaceCircleShape);

            // Create an elevated quadrilateral above Lake Tahoe.
            Quadrilateral quad = new Quadrilateral(new Sector(
                Angle.fromDegrees(38.9), Angle.fromDegrees(39.3),
                Angle.fromDegrees(-120.2), Angle.fromDegrees(-119.9)),
                50000d);
            quad.setColor(new Color(1f, 1f, 0f, 1f));
            layer.addRenderable(quad);

            // Create a big polygon over Florida.
            double originLat = 28;
            double originLon = -82;
            ArrayList<LatLon> positions = new ArrayList<LatLon>();
            positions.add(new LatLon(Angle.fromDegrees(originLat + 5.0), Angle.fromDegrees(originLon + 2.5)));
            positions.add(new LatLon(Angle.fromDegrees(originLat + 5.0), Angle.fromDegrees(originLon - 2.5)));
            positions.add(new LatLon(Angle.fromDegrees(originLat + 2.5), Angle.fromDegrees(originLon - 5.0)));
            positions.add(new LatLon(Angle.fromDegrees(originLat - 2.5), Angle.fromDegrees(originLon - 5.0)));
            positions.add(new LatLon(Angle.fromDegrees(originLat - 5.0), Angle.fromDegrees(originLon - 2.5)));
            positions.add(new LatLon(Angle.fromDegrees(originLat - 5.0), Angle.fromDegrees(originLon + 2.5)));
            positions.add(new LatLon(Angle.fromDegrees(originLat - 2.5), Angle.fromDegrees(originLon + 5.0)));
            positions.add(new LatLon(Angle.fromDegrees(originLat + 2.5), Angle.fromDegrees(originLon + 5.0)));
            positions.add(new LatLon(Angle.fromDegrees(originLat + 5.0), Angle.fromDegrees(originLon + 2.5)));
            SurfacePolygonGeometry polygon = new SurfacePolygonGeometry(positions,
                new Color(1f, 0.11f, 0.2f, 0.4f), new Color(0f, 1f, 0f, 0.6f));
            polygon.setBorderWidth(2.0);
            layer.addRenderable(polygon);

            // Test +180/-180 lon span Polyline
            positions = new ArrayList<LatLon>();
            positions.add(new LatLon(Angle.fromDegrees(-10), Angle.fromDegrees(170)));
            positions.add(new LatLon(Angle.fromDegrees(-10), Angle.fromDegrees(-170)));
            Polyline polyline = new Polyline(positions, 1000);
            polyline.setPathType(Polyline.GREAT_CIRCLE);
            layer.addRenderable(polyline);

            // Test +180/-180 lon span SurfacePolyline
            positions = new ArrayList<LatLon>();
            positions.add(new LatLon(Angle.fromDegrees(20), Angle.fromDegrees(-170)));
            positions.add(new LatLon(Angle.fromDegrees(15), Angle.fromDegrees(170)));
            positions.add(new LatLon(Angle.fromDegrees(10), Angle.fromDegrees(-175)));
            positions.add(new LatLon(Angle.fromDegrees(5), Angle.fromDegrees(170)));
            positions.add(new LatLon(Angle.fromDegrees(0), Angle.fromDegrees(-170)));
            positions.add(new LatLon(Angle.fromDegrees(20), Angle.fromDegrees(-170)));
            SurfacePolygonGeometry surfacePolygon = new SurfacePolygonGeometry(positions,
                new Color(1f, 0.11f, 0.2f, 0.4f), new Color(1f, 0f, 0f, 0.6f));
            surfacePolygon.setBorderWidth(2.0);
            layer.addRenderable(surfacePolygon);

            return layer;
        }

    }

    public static void main(String[] args)
    {
        try {
            if (args.length > 0)
                numCircles = Integer.parseInt(args[0]);
        } catch (NumberFormatException ex) {
            System.err.println("unable to parse argument as integer: " + args[0]);
            System.err.println("using default number of circles: " + numCircles);
        }

        ApplicationTemplate.start("World Wind Shape Dragging", AppFrame.class);
    }

    private static int numCircles = 1000;
}