/** * Get the tile matrix for the zoom level as defined by the area of the * request * * @param request coverage data request * @return tile matrix or null */ private TileMatrix getTileMatrix(CoverageDataRequest request) { TileMatrix tileMatrix = null; // Check if the request overlaps coverage data bounding box if (request.overlap(coverageBoundingBox) != null) { // Get the tile distance BoundingBox projectedBoundingBox = request .getProjectedBoundingBox(); double distanceWidth = projectedBoundingBox.getMaxLongitude() - projectedBoundingBox.getMinLongitude(); double distanceHeight = projectedBoundingBox.getMaxLatitude() - projectedBoundingBox.getMinLatitude(); // Get the zoom level to request based upon the tile size Long zoomLevel = tileDao.getClosestZoomLevel(distanceWidth, distanceHeight); // If there is a matching zoom level if (zoomLevel != null) { tileMatrix = tileDao.getTileMatrix(zoomLevel); } } return tileMatrix; }
BoundingBox overlap = request.overlap(tileBoundingBox);
/** * Get the tile matrix for the zoom level as defined by the area of the * request * * @param request * coverage data request * @return tile matrix or null */ private TileMatrix getTileMatrix(CoverageDataRequest request) { TileMatrix tileMatrix = null; // Check if the request overlaps coverage data bounding box if (request.overlap(coverageBoundingBox) != null) { // Get the tile distance BoundingBox projectedBoundingBox = request .getProjectedBoundingBox(); double distanceWidth = projectedBoundingBox.getMaxLongitude() - projectedBoundingBox.getMinLongitude(); double distanceHeight = projectedBoundingBox.getMaxLatitude() - projectedBoundingBox.getMinLatitude(); // Get the zoom level to request based upon the tile size Long zoomLevel = tileDao.getClosestZoomLevel(distanceWidth, distanceHeight); // If there is a matching zoom level if (zoomLevel != null) { tileMatrix = tileDao.getTileMatrix(zoomLevel); } } return tileMatrix; }
BoundingBox overlap = request.overlap(tileBoundingBox);
BoundingBox overlap = request.overlap(tileBoundingBox);
BoundingBox overlap = request.overlap(tileBoundingBox);