Examples of TileMatrix

org.geotools.geopkg.TileMatrix

Examples of org.geotools.geopkg.TileMatrix

    @Test
    public void testCreateTileEntry() throws Exception {
        TileEntry e = new TileEntry();
        e.setTableName("foo");
        e.setBounds(new ReferencedEnvelope(-180,180,-90,90,DefaultGeographicCRS.WGS84));
        e.getTileMatricies().add(new TileMatrix(0, 1, 1, 256, 256, 0.1, 0.1));
        e.getTileMatricies().add(new TileMatrix(1, 2, 2, 256, 256, 0.1, 0.1));


        geopkg.create(e);
        assertTileEntry(e);


        List<Tile> tiles = new ArrayList();

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Examples of org.geotools.geopkg.TileMatrix

            throw new IllegalArgumentException("The specified coverageName " + coverageName
                    + "is not supported");
        }
        
        List<TileMatrix> matrices = tiles.get(coverageName).getTileMatricies();
        TileMatrix matrix = matrices.get(matrices.size()-1);
        return new double[] {matrix.getXPixelSize(), matrix.getYPixelSize()};
    }

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Examples of org.geotools.geopkg.TileMatrix

            throw new IllegalArgumentException("The specified coverageName " + coverageName
                    + "is not supported");
        }
        
        List<TileMatrix> matrices = tiles.get(coverageName).getTileMatricies();
        TileMatrix matrix = matrices.get(matrices.size()-1);
        return new GridEnvelope2D(new Rectangle(matrix.getMatrixWidth() * matrix.getTileWidth(), matrix.getMatrixHeight() * matrix.getTileHeight()));
    }

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Examples of org.geotools.geopkg.TileMatrix

            }


            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());

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Examples of org.geotools.geopkg.TileMatrix

            int matrixwidth = ((BigInteger) node.getChildValue("matrixwidth")).intValue();
            int matrixheight = ((BigInteger) node.getChildValue("matrixheight")).intValue();  
            double xpixelsize = ((BigDecimal) node.getChildValue("pixelxsize")).doubleValue();
            double ypixelsize = ((BigDecimal) node.getChildValue("pixelysize")).doubleValue();
            
            return new TileMatrix(zoomlevel, matrixwidth, matrixheight, tilewidth, tilheight, xpixelsize, ypixelsize);
  }

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Examples of org.geotools.geopkg.TileMatrix

                "<pixelxsize>0.05</pixelxsize>" +
                "<pixelysize>0.06</pixelysize>" +
                " </grid>");
        Object result = parse(GPKG.gridtype);
        assertTrue(result instanceof TileMatrix);
        TileMatrix matrix = (TileMatrix) result;
        assertEquals(3, matrix.getZoomLevel().intValue());
        assertEquals(512, matrix.getTileWidth().intValue());
        assertEquals(256, matrix.getTileHeight().intValue());
        assertEquals(32, matrix.getMatrixWidth().intValue());
        assertEquals(16, matrix.getMatrixHeight().intValue());
        assertEquals(0.05, matrix.getXPixelSize(), 0.0);
        assertEquals(0.06, matrix.getYPixelSize(), 0.0);
    }

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Examples of org.geotools.geopkg.TileMatrix


            GridSet gridSet = gridSubset.getGridSet();
            for (int z = minmax[0]; z < minmax[1]; z++) {
                Grid g = gridSet.getGrid(z);


                TileMatrix m = new TileMatrix();
                m.setZoomLevel(z);
                m.setMatrixWidth((int) g.getNumTilesWide());
                m.setMatrixHeight((int) g.getNumTilesHigh());
                m.setTileWidth(gridSubset.getTileWidth());
                m.setTileHeight(gridSubset.getTileHeight());


                // TODO: not sure about this
                m.setXPixelSize(g.getResolution());
                m.setYPixelSize(g.getResolution());
                // m.setXPixelSize(gridSet.getPixelSize());
                // m.setYPixelSize(gridSet.getPixelSize());


                e.getTileMatricies().add(m);
            }

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Examples of org.geotools.geopkg.TileMatrix

        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();

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Examples of org.geotools.geopkg.TileMatrix

        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();

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Examples of org.geotools.geopkg.TileMatrix

        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();

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