Package org.geotools.geopkg

Examples of org.geotools.geopkg.GeoPackage

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    @Override
    public GridCoverage2D read(String coverageName, GeneralParameterValue[] parameters) throws IllegalArgumentException, IOException {
        TileEntry entry = tiles.get(coverageName);
        BufferedImage image = null;
        ReferencedEnvelope resultEnvelope = null;
        GeoPackage file = new GeoPackage(sourceFile);
        try {
            CoordinateReferenceSystem crs = getCoordinateReferenceSystem(coverageName);

            ReferencedEnvelope requestedEnvelope = null;
            Rectangle dim = null;

            if (parameters != null) {
                for (int i = 0; i < parameters.length; i++) {
                    final ParameterValue param = (ParameterValue) parameters[i];
                    final ReferenceIdentifier name = param.getDescriptor().getName();
                    if (name.equals(AbstractGridFormat.READ_GRIDGEOMETRY2D.getName())) {
                        final GridGeometry2D gg = (GridGeometry2D) param.getValue();
                        try {                       
                            requestedEnvelope = ReferencedEnvelope.create(gg.getEnvelope(), gg.getCoordinateReferenceSystem()).transform(crs, true);;
                        } catch (Exception e) {
                            requestedEnvelope = null;
                        }

                        dim = gg.getGridRange2D().getBounds();
                        continue;
                    }
                }
            }

            int leftTile, topTile, rightTile, bottomTile;

            //find the closest zoom based on horizontal resolution
            TileMatrix bestMatrix = null;
            if (requestedEnvelope != null && dim != null) {
                //requested res
                double horRes = requestedEnvelope.getSpan(0) / dim.getWidth(); //proportion of total width that is being requested
                double worldSpan = crs.getCoordinateSystem().getAxis(0).getMaximumValue() - crs.getCoordinateSystem().getAxis(0).getMinimumValue();

                //loop over matrices           
                double difference = Double.MAX_VALUE;
                for (TileMatrix matrix : entry.getTileMatricies()) {
                    double newRes = worldSpan / (matrix.getMatrixWidth() * matrix.getTileWidth());
                    double newDifference = Math.abs(horRes - newRes);
                    if (newDifference < difference) {
                        difference = newDifference;
                        bestMatrix = matrix;
                    }
                }
            }
            if (bestMatrix == null) {
                bestMatrix = entry.getTileMatricies().get(0);
            }

            //take available tiles from database
            leftTile = file.getTileBound(entry, bestMatrix.getZoomLevel(), false, false);
            rightTile = file.getTileBound(entry, bestMatrix.getZoomLevel(), true, false);
            bottomTile = file.getTileBound(entry, bestMatrix.getZoomLevel(), false, true);
            topTile = file.getTileBound(entry, bestMatrix.getZoomLevel(), true, true); 

            double resX = (crs.getCoordinateSystem().getAxis(0).getMaximumValue() - crs.getCoordinateSystem().getAxis(0).getMinimumValue()) / bestMatrix.getMatrixWidth();
            double resY = (crs.getCoordinateSystem().getAxis(1).getMaximumValue() - crs.getCoordinateSystem().getAxis(1).getMinimumValue()) / bestMatrix.getMatrixHeight();
            double offsetX = crs.getCoordinateSystem().getAxis(0).getMinimumValue();
            double offsetY = crs.getCoordinateSystem().getAxis(1).getMinimumValue();

            if (requestedEnvelope != null) { //crop tiles to requested envelope                  
                leftTile = Math.max(leftTile, (int) Math.round(Math.floor((requestedEnvelope.getMinimum(0) - offsetX) / resX )));
                bottomTile = Math.max(bottomTile, (int) Math.round(Math.floor((requestedEnvelope.getMinimum(1) - offsetY) / resY )));
                rightTile = Math.max(leftTile, (int) Math.min(rightTile, Math.round(Math.floor((requestedEnvelope.getMaximum(0) - offsetX) / resX ))));
                topTile = Math.max(bottomTile, (int) Math.min(topTile, Math.round(Math.floor((requestedEnvelope.getMaximum(1) - offsetY) / resY ))));
            }

            int width = (int) (rightTile - leftTile + 1) * DEFAULT_TILE_SIZE;
            int height = (int) (topTile - bottomTile + 1) * DEFAULT_TILE_SIZE;

            //recalculate the envelope we are actually returning
            resultEnvelope = new ReferencedEnvelope(offsetX + leftTile * resX, offsetX + (rightTile+1) * resX, offsetY + bottomTile * resY, offsetY + (topTile+1) * resY, crs);

            TileReader it;
            it = file.reader(entry, bestMatrix.getZoomLevel(), bestMatrix.getZoomLevel(), leftTile, rightTile, bottomTile, topTile);

            while (it.hasNext()) {               
                Tile tile = it.next();

                BufferedImage tileImage = readImage(tile.getData());

                if (image == null) {
                    image = getStartImage(tileImage, width, height);
                }

                //coordinates
                int posx = (int) (tile.getColumn() - leftTile) * DEFAULT_TILE_SIZE;
                int posy = (int) (topTile - tile.getRow()) * DEFAULT_TILE_SIZE;

                image.getRaster().setRect(posx, posy, tileImage.getData() );
            }

            it.close();

            if (image == null){ // no tiles ??
                image = getStartImage(width, height);
            }
        }
        finally {
            file.close();
        }
        return coverageFactory.create(entry.getTableName(), image, resultEnvelope);
    }
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    @Override
    protected void write(FeatureCollectionResponse featureCollection, OutputStream output,
            Operation getFeature) throws IOException, ServiceException {

        GeoPackage geopkg = new GeoPackage();
       
        for (FeatureCollection collection: featureCollection.getFeatures()) {
           
            FeatureEntry e = new FeatureEntry();
           
            if (! (collection instanceof SimpleFeatureCollection)) {
                throw new ServiceException("GeoPackage OutputFormat does not support Complex Features.");
            }

            SimpleFeatureCollection features = (SimpleFeatureCollection)  collection;
            FeatureTypeInfo meta = lookupFeatureType(features);
            if (meta != null) {
                // initialize entry metadata
                e.setIdentifier(meta.getTitle());
                e.setDescription(abstractOrDescription(meta));
            }

            geopkg.add(e, features);
        }
       
        geopkg.close();
       
        //write to output and delete temporary file
        InputStream temp = new FileInputStream(geopkg.getFile());
        IOUtils.copy(temp, output);
        output.flush();       
        temp.close();
        geopkg.getFile().delete();
    }
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            new Envelope(-0.17578125, -0.087890625, 0.17578125, 0.087890625));
        mapContent.getRequest().getFormatOptions().put("min_zoom", "10");
        mapContent.getRequest().getFormatOptions().put("max_zoom", "11");
       
        WebMap map = format.produceMap(mapContent);
        GeoPackage geopkg = createGeoPackage(map);

        assertTrue(geopkg.features().isEmpty());
        assertTrue(geopkg.rasters().isEmpty());
        assertEquals(1, geopkg.tiles().size());
        assertNotNull(geopkg.tile("World_Lakes"));
    }
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        FileOutputStream fout = new FileOutputStream(f);
        rawMap.writeTo(fout);
        fout.flush();
        fout.close();
       
        return new GeoPackage(f);
//        File f = File.createTempFile("geopkg", "zip", new File("target"));
//        FileOutputStream fout = new FileOutputStream(f);
//        rawMap.writeTo(fout);
//        fout.flush();
//        fout.close();
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        File file = getDataDirectory().findFile(urlPath.substring("http://localhost:8080/geoserver/".length()));
        assertNotNull(file);
        assertEquals("test.gpkg", file.getName());
        assertTrue(file.exists());
       
        GeoPackage gpkg = new GeoPackage(file);
       
        List<FeatureEntry> features = gpkg.features();
        assertEquals(2, features.size());
       
        FeatureEntry fe = features.get(0);
        assertEquals("Fifteen", fe.getTableName());
        assertEquals("fifteen description", fe.getDescription());
        assertEquals("f15", fe.getIdentifier());
        assertEquals(32615, fe.getSrid().intValue());
        assertEquals(500000, fe.getBounds().getMinX(), 0.0001);
        assertEquals(500000, fe.getBounds().getMinY(), 0.0001);
        assertEquals(500100, fe.getBounds().getMaxX(), 0.0001);
        assertEquals(500100, fe.getBounds().getMaxY(), 0.0001);
       
        SimpleFeatureReader fr = gpkg.reader(fe, null, null);
        assertEquals(1, fr.getFeatureType().getAttributeCount());
        assertEquals("pointProperty", fr.getFeatureType().getAttributeDescriptors().get(0).getLocalName());
        assertTrue(fr.hasNext());
        fr.next();
        fr.close();
       
        fe = features.get(1);
        assertEquals("Lakes", fe.getTableName());
        assertEquals("lakes description", fe.getDescription());
        assertEquals("lakes1", fe.getIdentifier());
       
        fr = gpkg.reader(fe, null, null);
        assertTrue(fr.hasNext());
        fr.next();
        fr.close();
       
        List<TileEntry> tiles = gpkg.tiles();
        assertEquals(2, tiles.size());
       
        TileEntry te = tiles.get(0);
        assertEquals("world_lakes", te.getTableName());
        assertEquals("world and lakes overlay", te.getDescription());
        assertEquals("wl1", te.getIdentifier());
        assertEquals(4326, te.getSrid().intValue());
        assertEquals(-0.17578125, te.getBounds().getMinX(), 0.0001);
        assertEquals(-0.087890625, te.getBounds().getMinY(), 0.0001);
        assertEquals(0.17578125, te.getBounds().getMaxX(), 0.0001);
        assertEquals(0.087890625, te.getBounds().getMaxY(), 0.0001);
       
        List<TileMatrix> matrices = te.getTileMatricies();
        assertEquals(1, matrices.size());
        TileMatrix matrix = matrices.get(0);
        assertEquals(10, matrix.getZoomLevel().intValue());
        assertEquals(256, matrix.getTileWidth().intValue());
        assertEquals(256, matrix.getTileHeight().intValue());
        assertEquals(2048, matrix.getMatrixWidth().intValue());
        assertEquals(1024, matrix.getMatrixHeight().intValue());
       
        TileReader tr = gpkg.reader(te, null, null, null, null, null, null);
        assertTrue(tr.hasNext());
        assertEquals(10, tr.next().getZoom().intValue());
        tr.close();
       
        te = tiles.get(1);
        assertEquals("world_lakes2", te.getTableName());
        assertEquals("world and lakes overlay 2", te.getDescription());
        assertEquals("wl2", te.getIdentifier());
        assertEquals(4326, te.getSrid().intValue());
        assertEquals(-0.17578125, te.getBounds().getMinX(), 0.0001);
        assertEquals(-0.087890625, te.getBounds().getMinY(), 0.0001);
        assertEquals(0.17578125, te.getBounds().getMaxX(), 0.0001);
        assertEquals(0.087890625, te.getBounds().getMaxY(), 0.0001);
       
        gpkg.close();
    }
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        File file = getDataDirectory().findFile(urlPath.substring("http://localhost:8080/geoserver/".length()));
        assertNotNull(file);
        assertEquals("test.gpkg", file.getName());
        assertTrue(file.exists());
       
        GeoPackage gpkg = new GeoPackage(file);
       
        List<TileEntry> tiles = gpkg.tiles();
        assertEquals(1, tiles.size());
       
        TileEntry te = tiles.get(0);
        assertEquals("world_lakes", te.getTableName());
        assertEquals("world and lakes overlay", te.getDescription());
        assertEquals("wl1", te.getIdentifier());
        assertEquals(4326, te.getSrid().intValue());
        assertEquals(-0.17578125, te.getBounds().getMinX(), 0.0001);
        assertEquals(-0.087890625, te.getBounds().getMinY(), 0.0001);
        assertEquals(0.17578125, te.getBounds().getMaxX(), 0.0001);
        assertEquals(0.087890625, te.getBounds().getMaxY(), 0.0001);
       
        List<TileMatrix> matrices = te.getTileMatricies();
        assertEquals(1, matrices.size());
        TileMatrix matrix = matrices.get(0);
        assertEquals(10, matrix.getZoomLevel().intValue());
        assertEquals(256, matrix.getTileWidth().intValue());
        assertEquals(256, matrix.getTileHeight().intValue());
        assertEquals(2048, matrix.getMatrixWidth().intValue());
        assertEquals(1024, matrix.getMatrixHeight().intValue());
       
        TileReader tr = gpkg.reader(te, null, null, null, null, null, null);
        assertTrue(tr.hasNext());
        assertEquals(10, tr.next().getZoom().intValue());
        tr.close();
       
        gpkg.close();
    }
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        String urlPath = string(post("wps", getXml2(path,false))).trim();
        File file = new File(path, "test.gpkg");
        assertNotNull(file);
        assertTrue(file.exists());
       
        GeoPackage gpkg = new GeoPackage(file);
       
        List<TileEntry> tiles = gpkg.tiles();
        assertEquals(1, tiles.size());
       
        TileEntry te = tiles.get(0);
        assertEquals("world_lakes", te.getTableName());
        assertEquals("world and lakes overlay", te.getDescription());
        assertEquals("wl1", te.getIdentifier());
        assertEquals(4326, te.getSrid().intValue());
        assertEquals(-0.17578125, te.getBounds().getMinX(), 0.0001);
        assertEquals(-0.087890625, te.getBounds().getMinY(), 0.0001);
        assertEquals(0.17578125, te.getBounds().getMaxX(), 0.0001);
        assertEquals(0.087890625, te.getBounds().getMaxY(), 0.0001);
       
        List<TileMatrix> matrices = te.getTileMatricies();
        assertEquals(1, matrices.size());
        TileMatrix matrix = matrices.get(0);
        assertEquals(10, matrix.getZoomLevel().intValue());
        assertEquals(256, matrix.getTileWidth().intValue());
        assertEquals(256, matrix.getTileHeight().intValue());
        assertEquals(2048, matrix.getMatrixWidth().intValue());
        assertEquals(1024, matrix.getMatrixHeight().intValue());
       
        TileReader tr = gpkg.reader(te, null, null, null, null, null, null);
        assertTrue(tr.hasNext());
        assertEquals(10, tr.next().getZoom().intValue());
        tr.close();
       
        gpkg.close();
    }
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            this.geopkg = geopkg;
            this.e = e;
        }

        public GeopackageWrapper() throws IOException {           
            this(new GeoPackage(), new TileEntry());
            geopkg.init();
        }
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        //format.write(fct, fos, op);
       
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        format.write(fct, os, op);
       
        GeoPackage geopkg = createGeoPackage(os.toByteArray());
       
        //compare all feature collections
        for (FeatureCollection collection: fct.getFeatures()) {
            FeatureEntry e = new FeatureEntry();
            e.setTableName(collection.getSchema().getName().getLocalPart());
           
            SimpleFeatureReader reader = geopkg.reader(e, null, null);
           
            SimpleFeatureCollection sCollection = (SimpleFeatureCollection) collection;
           
            //compare type
            SimpleFeatureType type1 = reader.getFeatureType();
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        FileOutputStream fout = new FileOutputStream(f);
        fout.write(inMemory);
        fout.flush();
        fout.close();
       
        return new GeoPackage(f);
    }
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Related Classes of org.geotools.geopkg.GeoPackage

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  • com.boundlessgeo.geoserver.bundle.BundleExporterTest
  • org.geoserver.geopkg.GeoPackageGetFeatureOutputFormat
  • org.geoserver.geopkg.GeoPackageGetFeatureOutputFormatTest
  • org.geoserver.geopkg.GeoPackageGetMapOutputFormat$GeopackageWrapper
  • org.geoserver.geopkg.GeoPackageGetMapOutputFormatTest
  • org.geoserver.geopkg.wps.GeoPackageProcess
  • org.geoserver.geopkg.wps.gs.GeoPackageProcessTest
  • org.geotools.data.DataStore
  • org.geotools.data.DefaultTransaction
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