Java Code Examples for com.vividsolutions.jts.geom.Envelope#getWidth()

The following examples show how to use com.vividsolutions.jts.geom.Envelope#getWidth() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: OsmLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

6 votes

@Test
public void testReprojectOne() throws Exception {
	Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);
	// back-transform envelope to latlon
	Crs google = geoService.getCrs2("EPSG:900913");
	Crs latlon = geoService.getCrs2("EPSG:4326");
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();
	// back-transform scale to latlon
	double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
	// paint with reprojection (affine is fine for now...:-)
	List<RasterTile> tiles = osm.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(1, tiles.size());
	RasterTile tile = tiles.get(0);
	Assert.assertEquals("http://a.tile.openstreetmap.org/4/8/7.png", tile.getUrl());
	Assert.assertEquals(4, tile.getCode().getTileLevel());
	Assert.assertEquals(8, tile.getCode().getX());
	Assert.assertEquals(7, tile.getCode().getY());
	Assert.assertEquals(0.0, tile.getBounds().getX(), DELTA);
	Assert.assertEquals(-244.0, tile.getBounds().getY(), DELTA);
	Assert.assertEquals(244.0, tile.getBounds().getHeight(), DELTA);
	Assert.assertEquals(250.0, tile.getBounds().getWidth(), DELTA);
}

Example 2

Source File: GridLayerData.java From gama with GNU General Public License v3.0

6 votes

@Override
public void compute(final IScope scope, final IGraphics g) throws GamaRuntimeException {
	if (grid == null) {
		final IPopulation<? extends IAgent> gridPop = scope.getAgent().getPopulationFor(name);
		if (gridPop == null) {
			throw error("No grid species named " + name + " can be found", scope);
		} else if (!gridPop.isGrid()) { throw error("Species named " + name + " is not a grid", scope); }
		grid = (IGrid) gridPop.getTopology().getPlaces();
		// final Envelope env = grid.getEnvironmentFrame().getEnvelope();
		final Envelope env2 = scope.getSimulation().getEnvelope();
		final double width = env2.getWidth();
		final double height = env2.getHeight();
		// final double width2 = env2.getWidth();
		// final double height2 = env2.getHeight();
		final double cols = grid.getCols(scope);
		final double rows = grid.getRows(scope);
		cellSize = new GamaPoint(width / cols, height / rows);
	}
	super.compute(scope, g);
	if (shouldComputeImage) {
		computeImage(scope, g);
	}
}

Example 3

Source File: GeometryEditPanel.java From jts with GNU Lesser General Public License v2.1

6 votes

public void zoom(Envelope zoomEnv) {
  if (zoomEnv == null)
    return;

  if (zoomEnv.isNull()) {
    viewport.zoomToInitialExtent();
    return;
  }
  double averageExtent = (zoomEnv.getWidth() + zoomEnv.getHeight()) / 2d;
  // fix to allow zooming to points
  if (averageExtent == 0.0)
    averageExtent = 1.0;
  double buffer = averageExtent * 0.1;
  zoomEnv.expandBy(buffer);
  viewport.zoom(zoomEnv);
}

Example 4

Source File: WmsLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

6 votes

@Test
public void testNormalEncoded() throws Exception {
	Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);

	// back-transform envelope to latlon
	Crs google = geoService.getCrs2(MERCATOR);
	Crs latlon = geoService.getCrs2(LONLAT);
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();

	// back-transform scale to latlon
	double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();

	// paint with re-projection (affine is fine for now...:-)
	List<RasterTile> tiles = escapeBlue.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(1, tiles.size());
	RasterTile tile = tiles.get(0);

	// ZOOMED_IN_SCALE 1E-4 corresponds to level 4 with current algorithm !!!!
	assertThat(tile.getUrl()).isEqualTo("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&" +
			"layers=geomajas%3Abluemarble&WIDTH=512&HEIGHT=512&bbox=0,0,45,45&format=image/png&version=1.1.1&" +
			"srs=EPSG%3A4326&styles=&what%3F=value%2Bmore%21&request=GetMap");

}

Example 5

Source File: LocalProfile.java From geomajas-project-server with GNU Affero General Public License v3.0

6 votes

public LocalProfile(Envelope bounds, int minTileSize) {
	this.origin = new Coordinate(bounds.getMinX(), bounds.getMinY());
	this.bounds = bounds;
	tileWidth = minTileSize;
	tileHeight = minTileSize;
	double ratio = bounds.getWidth() / bounds.getHeight();
	if (ratio >= 1) {
		tileWidth = (int) Math.ceil(tileHeight * ratio);
		maxResolution = bounds.getHeight() / tileHeight;
	} else {
		tileHeight = (int) Math.ceil(tileWidth / ratio);
		maxResolution = bounds.getWidth() / tileWidth;
	}
	for (int i = 0; i < 30; i++) {
		resolutions[i] = getResolution(i);
	}
}

Example 6

Source File: OsmLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

5 votes

@Test
public void testReprojectSeveral() throws Exception {
	// move up north to test latlon flattening
	Envelope googleEnvelope = new Envelope(10000, 13000, 6005000, 6008000);
	// back-transform envelope to latlon
	Crs google = geoService.getCrs2("EPSG:900913");
	Crs latlon = geoService.getCrs2("EPSG:4326");
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();
	// back-transform scale to latlon
	double latlonScale = MAX_LEVEL_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();
	// paint with reprojection (affine is fine for now...:-)
	List<RasterTile> tiles = osm.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(4, tiles.size());
	Assert.assertEquals("http://a.tile.openstreetmap.org/14/8196/5735.png", tiles.get(0).getUrl());
	Assert.assertEquals("http://a.tile.openstreetmap.org/14/8196/5736.png", tiles.get(1).getUrl());
	Assert.assertEquals("http://a.tile.openstreetmap.org/14/8197/5735.png", tiles.get(2).getUrl());
	Assert.assertEquals("http://a.tile.openstreetmap.org/14/8197/5736.png", tiles.get(3).getUrl());
	// test first tile
	double width = tiles.get(0).getBounds().getWidth();
	double height = tiles.get(0).getBounds().getHeight();
	double x = tiles.get(0).getBounds().getX();
	double y = tiles.get(0).getBounds().getY();
	Assert.assertEquals(245, width, DELTA);
	Assert.assertEquals(166, height, DELTA);
	Assert.assertEquals(978, x, DELTA);
	Assert.assertEquals(-527802, y, DELTA);
	// test alignment on grid
	for (int i = 0; i <= 1; i++) {
		for (int j = 0; j <= 1; j++) {
			Assert.assertEquals(x + i * width, tiles.get(2 * i + j).getBounds().getX(), DELTA);
			Assert.assertEquals(y + j * height, tiles.get(2 * i + j).getBounds().getY(), DELTA);
			Assert.assertEquals(width, tiles.get(2 * i + j).getBounds().getWidth(), DELTA);
			Assert.assertEquals(height, tiles.get(2 * i + j).getBounds().getHeight(), DELTA);
		}
	}
}

Example 7

Source File: StressTestHarness.java From jts with GNU Lesser General Public License v2.1

5 votes

Geometry createRandomTestGeometry(Envelope env, double size, int nPts)
{
	double width = env.getWidth();
	double xOffset = width * Math.random();
	double yOffset = env.getHeight() * Math.random();
  Coordinate basePt = new Coordinate(
  				env.getMinX() + xOffset,
  				env.getMinY() + yOffset);
  Geometry test = createTestCircle(basePt, size, nPts);
  if (test instanceof Polygon && Math.random() > 0.5) {
  	test = test.getBoundary();
  }
  return test;
}

Example 8

Source File: PreparedPolygonIntersectsStressTest.java From jts with GNU Lesser General Public License v2.1

5 votes

LineString createTestLine(Envelope env, double size, int nPts)
{
	double width = env.getWidth();
	double xOffset = width * Math.random();
	double yOffset = env.getHeight() * Math.random();
  Coordinate basePt = new Coordinate(
  				env.getMinX() + xOffset,
  				env.getMinY() + yOffset);
  LineString line = createTestLine(basePt, size, nPts);
  return line;
}

Example 9

Source File: WmsLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

5 votes

@Test
public void testProxyOne() throws Exception {
	Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);

	// back-transform envelope to latlon
	Crs google = geoService.getCrs2(MERCATOR);
	Crs latlon = geoService.getCrs2(LONLAT);
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();

	// back-transform scale to latlon
	double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();

	// paint with re-projection (affine is fine for now...:-)
	List<RasterTile> tiles = proxyWms.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(1, tiles.size());
	RasterTile tile = tiles.get(0);

	Assert.assertEquals("./d/wms/proxyBlue/?SERVICE=WMS&layers=bluemarble&WIDTH=512&HEIGHT=512&bbox"
			+ "=-20,-28,12,4&format=image/jpeg&version=1.3.0&crs=EPSG%3A4326&styles=&request=GetMap", tile.getUrl());
	Assert.assertEquals(4, tile.getCode().getTileLevel());
	Assert.assertEquals(5, tile.getCode().getX());
	Assert.assertEquals(12, tile.getCode().getY());
	Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
	Assert.assertEquals(-45.0, tile.getBounds().getY(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getHeight(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getWidth(), DELTA);

	// Assert.assertEquals("./d/wms/proxyBlue/?SERVICE=WMS&layers=bluemarble&WIDTH=512&HEIGHT=512&"
	// + "bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,3.7729241933019466&"
	// + "format=image/jpeg&version=1.3.0&crs=EPSG%3A4326&styles=&request=GetMap", tile.getUrl());
	// Assert.assertEquals(4, tile.getCode().getTileLevel());
	// Assert.assertEquals(5, tile.getCode().getX());
	// Assert.assertEquals(12, tile.getCode().getY());
	// Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
	// Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}

Example 10

Source File: ConformingDelaunayTriangulator.java From jts with GNU Lesser General Public License v2.1

5 votes

private void computeBoundingBox() {
	Envelope vertexEnv = computeVertexEnvelope(initialVertices);
	Envelope segEnv = computeVertexEnvelope(segVertices);

	Envelope allPointsEnv = new Envelope(vertexEnv);
	allPointsEnv.expandToInclude(segEnv);

	double deltaX = allPointsEnv.getWidth() * 0.2;
	double deltaY = allPointsEnv.getHeight() * 0.2;

	double delta = Math.max(deltaX, deltaY);

	computeAreaEnv = new Envelope(allPointsEnv);
	computeAreaEnv.expandBy(delta);
}

Example 11

Source File: CreateRandomShapeFunctions.java From jts with GNU Lesser General Public License v2.1

5 votes

public static Geometry randomLineString(Geometry g, int nPts) {
  Envelope env = FunctionsUtil.getEnvelopeOrDefault(g);
  GeometryFactory geomFact = FunctionsUtil.getFactoryOrDefault(g);
  double width = env.getWidth();
  double hgt = env.getHeight();

  Coordinate[] pts = new Coordinate[nPts];

  for (int i = 0; i < nPts; i++) {
    double xLen = width * Math.random();
    double yLen = hgt * Math.random();
    pts[i] = randomPtInRectangleAround(env.centre(), xLen, yLen);
  }
  return geomFact.createLineString(pts);
}

Example 12

Source File: WmsLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

5 votes

@Test
public void testNormalOne() throws Exception {
	Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);

	// back-transform envelope to latlon
	Crs google = geoService.getCrs2(MERCATOR);
	Crs latlon = geoService.getCrs2(LONLAT);
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();

	// back-transform scale to latlon
	double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();

	// paint with re-projection (affine is fine for now...:-)
	List<RasterTile> tiles = wms.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(1, tiles.size());
	RasterTile tile = tiles.get(0);

	// ZOOMED_IN_SCALE 1E-4 corresponds to level 4 with current algorithm !!!!
	Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
			+ "WIDTH=512&HEIGHT=512&bbox=-20,-28,12,4&format=image/jpeg&version=1.1.1&srs=EPSG%3A4326&"
			+ "styles=&request=GetMap", tile.getUrl());

	// Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&"
	// + "layers=bluemarble&WIDTH=512&HEIGHT=512&"
	// + "bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,3.7729241933019466&"
	// + "format=image/jpeg&version=1.1.1&srs=EPSG%3A4326&styles=&request=GetMap", tile.getUrl());
	Assert.assertEquals(4, tile.getCode().getTileLevel());
	Assert.assertEquals(5, tile.getCode().getX());
	Assert.assertEquals(12, tile.getCode().getY());
	Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
	// Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
	Assert.assertEquals(-45.0, tile.getBounds().getY(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getHeight(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getWidth(), DELTA);
}

Example 13

Source File: ProjectionFactory.java From gama with GNU General Public License v3.0

5 votes

public void testConsistency(final IScope scope, final CoordinateReferenceSystem crs, final Envelope env) {
	if (!(crs instanceof DefaultProjectedCRS)) {
		if (env.getHeight() > 180 || env.getWidth() > 180) {
			throw GamaRuntimeException.error(
					"Inconsistency between the data and the CRS: The CRS " + crs
							+ " corresponds to a not projected one, whereas the data seem to be already projected.",
					scope);
		}
	}
}

Example 14

Source File: EnvelopeUtil.java From jts with GNU Lesser General Public License v2.1

5 votes

public static double minExtent(Envelope env)
{
	double w = env.getWidth();
	double h = env.getHeight();
	if (w < h) return w;
	return h;
}

Example 15

Source File: Viewport.java From jts with GNU Lesser General Public License v2.1

5 votes

public void zoom(Envelope zoomEnv) {
  double xScale = getWidthInView() / zoomEnv.getWidth();
  double yScale = getHeightInView() / zoomEnv.getHeight();
  double zoomScale = Math.min(xScale, yScale);
  setScale(zoomScale);
  double xCentering = (getWidthInModel() - zoomEnv.getWidth()) / 2d;
  double yCentering = (getHeightInModel() - zoomEnv.getHeight()) / 2d;
  setOrigin(zoomEnv.getMinX() - xCentering, zoomEnv.getMinY() - yCentering);
}

Example 16

Source File: GamaQuadTree.java From gama with GNU General Public License v3.0

5 votes

public QuadNode(final Envelope bounds) {
	this.bounds = bounds;
	final double hw = bounds.getWidth();
	final double hh = bounds.getHeight();
	halfx = bounds.getMinX() + hw / 2;
	halfy = bounds.getMinY() + hh / 2;
	canSplit = hw > minSize && hh > minSize;
}

Example 17

Source File: GamaQuadTree.java From gama with GNU General Public License v3.0

5 votes

private GamaQuadTree(final Envelope bounds, final boolean sync) {
	// AD To address Issue 804, explictely converts the bounds to an
	// Envelope 2D, so that all computations are made
	// in 2D in the QuadTree
	this.parallel = sync;
	root = new QuadNode(new Envelope(bounds));
	minSize = bounds.getWidth() / 100d;
	// GamaPreferences.External.QUADTREE_SYNCHRONIZATION.onChange((v) -> {
	// parallel = v;
	// root.synchronizeChanged();
	// });
}

Example 18

Source File: WmsLayerTest.java From geomajas-project-server with GNU Affero General Public License v3.0

4 votes

@Test
public void testDefaultsOne() throws Exception {
	Envelope googleEnvelope = new Envelope(10000, 10010, 5000, 5010);

	// back-transform envelope to latlon
	Crs google = geoService.getCrs2(MERCATOR);
	Crs latlon = geoService.getCrs2(LONLAT);
	Envelope latlonEnvelope = geoService.transform(JTS.toGeometry(googleEnvelope), google, latlon)
			.getEnvelopeInternal();

	// back-transform scale to latlon
	double latlonScale = ZOOMED_IN_SCALE * googleEnvelope.getWidth() / latlonEnvelope.getWidth();

	// paint with re-projection (affine is fine for now...:-)
	List<RasterTile> tiles = defaultWms.paint(latlon, latlonEnvelope, latlonScale);
	Assert.assertEquals(1, tiles.size());
	RasterTile tile = tiles.get(0);

	Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&WIDTH=512&HEIGHT"
			+ "=512&bbox=-20,-28,12,4&format=image/png&version=1.1.1&srs=EPSG%3A4326&styles=&request=GetMap",
			tile.getUrl());
	Assert.assertEquals(4, tile.getCode().getTileLevel());
	Assert.assertEquals(5, tile.getCode().getX());
	Assert.assertEquals(12, tile.getCode().getY());
	Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
	Assert.assertEquals(-45.0, tile.getBounds().getY(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getHeight(), DELTA);
	Assert.assertEquals(357.0, tile.getBounds().getWidth(), DELTA);

	// Assert.assertEquals("http://apps.geomajas.org/geoserver/wms?SERVICE=WMS&layers=bluemarble&"
	// + "WIDTH=512&HEIGHT=512&bbox=-20.032430835865227,-28.207099921352835,11.947593278789554,"
	// + "3.7729241933019466&format=image/png&version=1.1.1&srs=EPSG%3A4326&styles=&request=GetMap",
	// tile.getUrl());
	// Assert.assertEquals(4, tile.getCode().getTileLevel());
	// Assert.assertEquals(5, tile.getCode().getX());
	// Assert.assertEquals(12, tile.getCode().getY());
	// Assert.assertEquals(-223.0, tile.getBounds().getX(), DELTA);
	// Assert.assertEquals(-42.0, tile.getBounds().getY(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getHeight(), DELTA);
	// Assert.assertEquals(356.0, tile.getBounds().getWidth(), DELTA);
}

Example 19

Source File: TiledFeatureService.java From geomajas-project-server with GNU Affero General Public License v3.0

2 votes

/**
 * The test that checks if clipping is needed.
 *
 * @param f
 *            feature to test
 * @param scale
 *            scale
 * @return true if clipping is needed
 */
private boolean exceedsScreenDimensions(InternalFeature f, double scale) {
	Envelope env = f.getBounds();
	return (env.getWidth() * scale > MAXIMUM_TILE_COORDINATE) ||
			(env.getHeight() * scale > MAXIMUM_TILE_COORDINATE);
}

Example 20

Source File: DtoConverterServiceImpl.java From geomajas-project-server with GNU Affero General Public License v3.0

2 votes

/**
 * Convert JTS envelope into a {@link Bbox}.
 * 
 * @param envelope
 *            JTS envelope
 * @return Geomajas {@link Bbox}
 */
public Bbox toDto(Envelope envelope) {
	return new Bbox(envelope.getMinX(), envelope.getMinY(), envelope.getWidth(), envelope.getHeight());
}