Java GeometryFactory類代碼示例

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/** */
public static Geometry flatten (GeometryCollection gc) {
    final List<Point> points = new LinkedList<Point>();
    final List<LineString> lines = new LinkedList<LineString>();
    final List<Polygon> polygons = new LinkedList<Polygon>();
    gc.apply(new GeometryFilter() {
            public void filter (Geometry geom) {
                if (geom instanceof Point) {
                    points.add((Point)geom);
                } else if (geom instanceof LineString) {
                    lines.add((LineString)geom);
                } else if (geom instanceof Polygon) {
                    polygons.add((Polygon)geom);
                }
            }
        });
    if (!polygons.isEmpty()) {
        return gc.getFactory().createMultiPolygon(GeometryFactory.toPolygonArray(polygons));
    } else if (!lines.isEmpty()) {
        return gc.getFactory().createMultiLineString(GeometryFactory.toLineStringArray(lines));
    } else {
        return gc.getFactory().createMultiPoint(GeometryFactory.toPointArray(points));
    }
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/**
 *
 * @param name
 * @param type
 * @param geoms
 */
public GeometryImage(String name,String type,List<Coordinate>geoms) {
	this.type=type;
	this.name=name;

	this.geoms=new ArrayList<>();
	//attsMap=new HashMap<>();
       GeometryFactory gf = new GeometryFactory();
       for(Coordinate c:geoms){
       	AttributesGeometry att = new AttributesGeometry(new String[]{"x","y"});
       	att.set("x",c.x);
       	att.set("y",c.y);
       	Geometry gg=gf.createPoint(c);
       	put(gg, att);
       }
   }
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
public Area getShape() {
    Area maskArea = new Area();
    Rectangle rect = new Rectangle(0, 0, reader.getWidth(), reader.getHeight());
    GeometryFactory gf = new GeometryFactory();
    Coordinate[] coords = new Coordinate[]{
        new Coordinate((int) rect.getMinX(), (int) rect.getMinY()),
        new Coordinate((int) rect.getMaxX(), (int) rect.getMinY()),
        new Coordinate((int) rect.getMaxX(), (int) rect.getMaxY()),
        new Coordinate((int) rect.getMinX(), (int) rect.getMaxY()),
        new Coordinate((int) rect.getMinX(), (int) rect.getMinY()),
    };
    Polygon geom = gf.createPolygon(gf.createLinearRing(coords), null);
    for (Geometry p : glayer.getGeometries()) {
        if (p.intersects(geom)) {
            int[] xPoints = new int[p.getNumPoints()];
            int[] yPoints = new int[p.getNumPoints()];
            int i = 0;
            for (Coordinate c : p.getCoordinates()) {
                xPoints[i] = (int) (c.x);
                yPoints[i++] = (int) (c.y);
            }
            maskArea.add(new Area(new java.awt.Polygon(xPoints, yPoints, p.getNumPoints())));
        }
    }
    return maskArea;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/**
 *  check if the tile is on land
 *
 * @param top
 * @param left
 * @param bottom
 * @param right
 * @return
 */
public boolean checkIfTileIsOnLand(double top,double left,double bottom,double right){
	boolean isOnLand=false;
	if(land!=null){
		GeometryFactory fact = new GeometryFactory();
		Coordinate[] cs=new Coordinate[5];
		cs[0]=new Coordinate(top, left);
		cs[1]=new Coordinate(bottom, left);
		cs[2]=new Coordinate(top,right);
		cs[3]=new Coordinate(bottom,right);
		cs[4]=new Coordinate(top,left);
		Polygon tile=fact.createPolygon(cs);

		for (Geometry p : land) {
            if (p.contains(tile)) {
            	isOnLand=true;
            	break;
            }
	        }
	}
	return isOnLand;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
public boolean contains(int x, int y) {
    GeometryFactory gf = new GeometryFactory();
    Point geom = gf.createPoint(new Coordinate(x, y));
    for (Geometry p : maskGeometries) {
        if (p.contains(geom)) {
            return true;
        }
    }
    return false;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/**
 * rasterize the mask clipped with the Rectangle scaled back to full size with an offset onto a BufferedImage
 */
public BufferedImage rasterize(Rectangle rect, int offsetX, int offsetY, double scalingFactor) {

	// create the buffered image of the size of the Rectangle
    BufferedImage image = new BufferedImage(rect.width, rect.height, BufferedImage.TYPE_BYTE_BINARY);
    GeometryFactory gf = new GeometryFactory();

    // define the clipping region in full scale
    Coordinate[] coords = new Coordinate[]{
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor)), (int) (((double) rect.getMinY() / scalingFactor))),
        new Coordinate((int) (((double) rect.getMaxX() / scalingFactor)), (int) (((double) rect.getMinY() / scalingFactor))),
        new Coordinate((int) (((double) rect.getMaxX() / scalingFactor)), (int) (((double) rect.getMaxY() / scalingFactor))),
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor)), (int) (((double) rect.getMaxY() / scalingFactor))),
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor)), (int) (((double) rect.getMinY() / scalingFactor))),};

    Polygon geom = gf.createPolygon(gf.createLinearRing(coords));

    Graphics g2d = image.getGraphics();

    g2d.setColor(Color.white);
    for (Geometry p : maskGeometries) {
    	/*if(p instanceof MultiPolygon){
    		p=p.getBoundary();
    	}*/
        if (p.intersects(geom)) {
            int[] xPoints = new int[p.getNumPoints()];//build array for x coordinates
            int[] yPoints = new int[p.getNumPoints()];//build array for y coordinates
            int i = 0;
            for (Coordinate c : p.getCoordinates()) {
                xPoints[i] = (int) ((c.x + offsetX ) * scalingFactor);
                yPoints[i] = (int) ((c.y + offsetY ) * scalingFactor);
                i++;
            }
            g2d.fillPolygon(xPoints, yPoints, i);
        }
    }
    g2d.dispose();
    return image;

}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/**
 *
 * @param geom
 * @return
 */
public static Geometry repair (Geometry geom) {
    GeometryFactory factory = geom.getFactory();
    if (geom instanceof MultiPolygon) {
        MultiPolygon mp = (MultiPolygon)geom;
        Polygon[] polys = new Polygon[mp.getNumGeometries()];
        for (int i = 0; i < mp.getNumGeometries(); i += 1) {
            polys[i] = repair((Polygon)mp.getGeometryN(i));
        }
        return factory.createMultiPolygon(polys);
    } else if (geom instanceof Polygon) {
        return repair((Polygon)geom);
    } else if (geom.getGeometryType().equals("GeometryCollection")) {
        GeometryCollection gc = (GeometryCollection)geom;
        Geometry[] geoms = new Geometry[gc.getNumGeometries()];
        for (int i = 0; i < gc.getNumGeometries(); i += 1) {
            geoms[i] = repair(gc.getGeometryN(i));
        }
        Thread.dumpStack();
        return factory.createGeometryCollection(geoms);
    } else {
        return(geom);
    }
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
/**
 *
 * @param imagePosition
 * @param context
 */
public void mouseClicked(java.awt.Point imagePosition, OpenGLContext context) {
	if(isEditable()){
     this.selectedGeometry = null;
     GeometryFactory gf = new GeometryFactory();
     com.vividsolutions.jts.geom.Point p = gf.createPoint(new Coordinate(imagePosition.x, imagePosition.y));
     for (Geometry temp : glayer.getGeometries()) {
     	if(temp instanceof Polygon){
      	Coordinate[] c=DistanceOp.nearestPoints(temp, p);
      	com.vividsolutions.jts.geom.Point nearest=gf.createPoint(c[0]);
          if (nearest.isWithinDistance(temp,5 * context.getZoom())) {
              this.selectedGeometry = temp;
              System.out.println(""+temp.getCoordinate().x+","+temp.getCoordinate().y);
              LayerPickedData.put(temp, glayer.getAttributes(temp));
              break;
          }
     	}
     }
	}
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
public BufferedImage rasterize(BufferedImage image, int offsetX, int offsetY, double scalingFactor) {
    Rectangle rect = image.getRaster().getBounds();
    GeometryFactory gf = new GeometryFactory();
    Coordinate[] coords = new Coordinate[]{
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor) + offsetX), (int) (((double) rect.getMinY() / scalingFactor) + offsetY)),
        new Coordinate((int) (((double) rect.getMaxX() / scalingFactor) + offsetX), (int) (((double) rect.getMinY() / scalingFactor) + offsetY)),
        new Coordinate((int) (((double) rect.getMaxX() / scalingFactor) + offsetX), (int) (((double) rect.getMaxY() / scalingFactor) + offsetY)),
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor) + offsetX), (int) (((double) rect.getMaxY() / scalingFactor) + offsetY)),
        new Coordinate((int) (((double) rect.getMinX() / scalingFactor) + offsetX), (int) (((double) rect.getMinY() / scalingFactor) + offsetY)),
    };
    Polygon geom = gf.createPolygon(gf.createLinearRing(coords), null);
    Graphics g2d = image.getGraphics();
    g2d.setColor(Color.WHITE);
    for (Geometry p : glayer.getGeometries()) {
        if (p.intersects(geom)) {
            int[] xPoints = new int[p.getNumPoints()];
            int[] yPoints = new int[p.getNumPoints()];
            int i = 0;
            for (Coordinate c : p.getCoordinates()) {
                xPoints[i] = (int) ((c.x - offsetX) * scalingFactor);
                yPoints[i++] = (int) ((c.y - offsetY) * scalingFactor);
            }
            g2d.fillPolygon(xPoints, yPoints, p.getNumPoints());
        }
    }
    g2d.dispose();
    return image;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
@BeforeClass
public static void setup() {

    TomtomFolder tomtomFolder = mock(TomtomFolder.class);
    when(tomtomFolder.getFile("___a0.shp")).thenReturn("src/test/resources/tomtom/boundaries/a0/andorra______________a0.shp");

    CapitalProvider capitalProvider = mock(CapitalProvider.class);
    Point point = new Point(new PackedCoordinateSequence.Double(new double[]{1.52185, 42.50760}, 2), new GeometryFactory());
    Centroid capital = new Centroid(10560000718742L, "Capital Name", "123", 0, 1, 7, point);
    when(capitalProvider.get(0)).thenReturn(newArrayList(capital));

    NameProvider nameProvider = mock(NameProvider.class);
    when(nameProvider.getAlternateNames(10200000000008L)).thenReturn(of("name", "Andorra", "name:fr", "Andorre"));

    OsmLevelGenerator osmLevelGenerator = mock(OsmLevelGenerator.class);
    when(osmLevelGenerator.getOsmLevel("andorra", 0)).thenReturn("2");

    BoundariesA0Shapefile shapefile = new BoundariesA0Shapefile(tomtomFolder, capitalProvider, nameProvider, osmLevelGenerator);

    shapefile.serialize("target/tests/");

    pbfContent = read(new File("target/tests/a0.osm.pbf"));
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
@BeforeClass
public static void setup() {

    TomtomFolder tomtomFolder = mock(TomtomFolder.class);
    when(tomtomFolder.getFile("___a2.shp")).thenReturn("src/test/resources/tomtom/boundaries/a2/belbe2___________a2.shp");

    NameProvider nameProvider = mock(NameProvider.class);
    when(nameProvider.getAlternateNames(10560000000838L)).thenReturn(of("name", "Leuven"));

    OsmLevelGenerator osmLevelGenerator = mock(OsmLevelGenerator.class);
    when(osmLevelGenerator.getOsmLevel("belbe2", 2)).thenReturn("6");

    CapitalProvider capitalProvider = mock(CapitalProvider.class);
    Point point = new Point(new PackedCoordinateSequence.Double(new double[]{4.703077, 50.8756041}, 2), new GeometryFactory());
    Centroid capital = new Centroid(10560000718742L, "Capital Name", "123", 2, 1, 7, point);
    when(capitalProvider.get(2)).thenReturn(newArrayList(capital));

    BoundariesA2Shapefile shapefile = new BoundariesA2Shapefile(tomtomFolder, capitalProvider, nameProvider, osmLevelGenerator);

    shapefile.serialize("target/tests/");

    pbfContent = read(new File("target/tests/a2.osm.pbf"));
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
@BeforeClass
public static void setup() {

    TomtomFolder tomtomFolder = mock(TomtomFolder.class);
    when(tomtomFolder.getFile("___a1.shp")).thenReturn("src/test/resources/tomtom/boundaries/a1/belgium______________a1.shp");

    NameProvider nameProvider = mock(NameProvider.class);
    when(nameProvider.getAlternateNames(10560000000843L)).thenReturn(of("name", "Brussel", "name:fr", "Bruxelles"));

    OsmLevelGenerator osmLevelGenerator = mock(OsmLevelGenerator.class);
    when(osmLevelGenerator.getOsmLevel("belgium", 1)).thenReturn("4");

    CapitalProvider capitalProvider = mock(CapitalProvider.class);
    Point point = new Point(new PackedCoordinateSequence.Double(new double[]{4.868077, 50.4536041}, 2), new GeometryFactory());
    Centroid capital = new Centroid(10560000718742L, "Capital Name", "123", 1, 1, 7, point);
    when(capitalProvider.get(1)).thenReturn(newArrayList(capital));

    BoundariesA1Shapefile shapefile = new BoundariesA1Shapefile(tomtomFolder, capitalProvider, nameProvider, osmLevelGenerator);

    shapefile.serialize("target/tests/");

    pbfContent = read(new File("target/tests/a1.osm.pbf"));
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
private boolean validateMinSegmentLength(final Geometry geom, final Coordinate... coordinates) {
	boolean isValid = true;
	if (coordinates.length >= 2) {
		for (int i = 1; i < coordinates.length; i++) {

			if (!validateMinSegmentLength(coordinates[i - 1],
					coordinates[i])) {

				GeometryFactory geomFactory = new GeometryFactory();
				errorCoordinates.add(geomFactory
						.createPoint(coordinates[i]).toText());
				isValid = false;
			}
		}
	}
	return isValid;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
private static Geometry readGeometry(List<Integer> geomCmds,
                                     VectorTile.Tile.GeomType geomType,
                                     GeometryFactory geomFactory,
                                     Vec2d cursor,
                                     RingClassifier ringClassifier) {
  Geometry result = null;

  switch (geomType) {
    case POINT:
      result = readPoints(geomFactory, geomCmds, cursor);
      break;
    case LINESTRING:
      result = readLines(geomFactory, geomCmds, cursor);
      break;
    case POLYGON:
      result = readPolys(geomFactory, geomCmds, cursor, ringClassifier);
      break;
    default:
      LoggerFactory.getLogger(MvtReader.class)
          .error("readGeometry(): Unhandled geometry type [{}]", geomType);
  }

  return result;
}
 

import com.vividsolutions.jts.geom.GeometryFactory; //導入依賴的package包/類
private static Geometry smooth(final Geometry geom, final double fit,
        final GeometryFactory factory, GeometrySmoother smoother) {

    switch (geom.getGeometryType().toUpperCase()) {
    case "POINT":
    case "MULTIPOINT":
        // For points, just return the input geometry
        return geom;

    case "LINESTRING":
        // This handles open and closed lines (LinearRings)
        return smoothLineString(factory, smoother, geom, fit);

    case "MULTILINESTRING":
        return smoothMultiLineString(factory, smoother, geom, fit);

    case "POLYGON":
        return smoother.smooth((Polygon) geom, fit);

    case "MULTIPOLYGON":
        return smoothMultiPolygon(factory, smoother, geom, fit);

    case "GEOMETRYCOLLECTION":
        return smoothGeometryCollection(factory, smoother, geom, fit);

    default:
        throw new UnsupportedOperationException("No smoothing method available for "
                + geom.getGeometryType());
    }
}