Examples of org.geotools.geopkg.GeoPackage.reader()

org.geotools.geopkg.GeoPackage.reader()
Retrieve tiles within certain zooms and column/row boundaries @param entry the tile entry @param lowZoom low zoom boundary @param highZoom high zoom boundary @param lowCol low column boundary @param highCol high column boundary @param lowRow low row boundary @param highRow high row boundary @return @throws IOException


            //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());

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        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();

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        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();

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        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);

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        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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        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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        //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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