Examples with RasterTileURL io.arlas.server.core.model.RasterTileURL used on opensource projects

Example 1 with RasterTileURL

use of io.arlas.server.core.model.RasterTileURL in project ARLAS-server by gisaia.

the class TileRESTService method tiledgeosearch.

@Timed
@Path("{collection}/_tile/{z}/{x}/{y}.png")
@GET
@Produces({ TileRESTService.PRODUCES_PNG })
@Consumes(UTF8JSON)
@ApiOperation(value = "Tiled GeoSearch", produces = TileRESTService.PRODUCES_PNG, notes = Documentation.TILED_GEOSEARCH_OPERATION, consumes = UTF8JSON, response = FeatureCollection.class)
@ApiResponses(value = { @ApiResponse(code = 200, message = "Successful operation"), @ApiResponse(code = 500, message = "Arlas Server Error.", response = Error.class), @ApiResponse(code = 400, message = "Bad request.", response = Error.class) })
public Response tiledgeosearch(// --------------------------------------------------------
@ApiParam(name = "collection", value = "collection", required = true) @PathParam(value = "collection") String collection, @ApiParam(name = "x", value = "x", required = true) @PathParam(value = "x") Integer x, @ApiParam(name = "y", value = "y", required = true) @PathParam(value = "y") Integer y, @ApiParam(name = "z", value = "z", required = true) @PathParam(value = "z") Integer z, // --------------------------------------------------------
@ApiParam(name = "f", value = Documentation.FILTER_PARAM_F, allowMultiple = true) @QueryParam(value = "f") List<String> f, @ApiParam(name = "q", value = Documentation.FILTER_PARAM_Q, allowMultiple = true) @QueryParam(value = "q") List<String> q, @ApiParam(name = "dateformat", value = Documentation.FILTER_DATE_FORMAT) @QueryParam(value = "dateformat") String dateformat, @ApiParam(hidden = true) @HeaderParam(value = "partition-filter") String partitionFilter, @ApiParam(hidden = true) @HeaderParam(value = "Column-Filter") Optional<String> columnFilter, @ApiParam(name = "size", value = Documentation.PAGE_PARAM_SIZE, defaultValue = "10", allowableValues = "range[1, infinity]", type = "integer") @DefaultValue("10") @QueryParam(value = "size") IntParam size, @ApiParam(name = "from", value = Documentation.PAGE_PARAM_FROM, defaultValue = "0", allowableValues = "range[0, infinity]", type = "integer") @DefaultValue("0") @QueryParam(value = "from") IntParam from, @ApiParam(name = "sort", value = Documentation.PAGE_PARAM_SORT, allowMultiple = true) @QueryParam(value = "sort") String sort, @ApiParam(name = "after", value = Documentation.PAGE_PARAM_AFTER) @QueryParam(value = "after") String after, @ApiParam(name = "before", value = Documentation.PAGE_PARAM_BEFORE) @QueryParam(value = "before") String before, // --------------------------------------------------------
@ApiParam(name = "sampling", value = TileDocumentation.TILE_SAMPLING, defaultValue = "10") @QueryParam(value = "sampling") Integer sampling, @ApiParam(name = "coverage", value = TileDocumentation.TILE_COVERAGE, defaultValue = "70") @QueryParam(value = "coverage") Integer coverage, // --------------------------------------------------------
@ApiParam(value = "max-age-cache") @QueryParam(value = "max-age-cache") Integer maxagecache) throws NotFoundException, ArlasException {
    CollectionReference collectionReference = exploreService.getCollectionReferenceService().getCollectionReference(collection);
    if (collectionReference == null) {
        throw new NotFoundException(collection);
    }
    if (collectionReference.params.rasterTileURL == null) {
        throw new NotFoundException(collectionReference.collectionName + " has no URL defined for fetching the tiles.");
    }
    if (StringUtil.isNullOrEmpty(collectionReference.params.rasterTileURL.url)) {
        throw new NotFoundException(collectionReference.collectionName + " has no URL defined for fetching the tiles.");
    }
    if (z < collectionReference.params.rasterTileURL.minZ || z > collectionReference.params.rasterTileURL.maxZ) {
        LOGGER.info("Request level out of [" + collectionReference.params.rasterTileURL.minZ + "-" + collectionReference.params.rasterTileURL.maxZ + "]");
        return Response.noContent().build();
    }
    BoundingBox bbox = GeoTileUtil.getBoundingBox(new Tile(x, y, z));
    Search search = new Search();
    search.filter = ParamsParser.getFilter(collectionReference, f, q, dateformat);
    search.page = ParamsParser.getPage(size, from, sort, after, before);
    search.projection = ParamsParser.getProjection(collectionReference.params.rasterTileURL.idPath + "," + collectionReference.params.geometryPath, null);
    ColumnFilterUtil.assertRequestAllowed(columnFilter, collectionReference, search);
    Search searchHeader = new Search();
    searchHeader.filter = ParamsParser.getFilter(partitionFilter);
    MixedRequest request = new MixedRequest();
    request.basicRequest = search;
    request.headerRequest = searchHeader;
    request.columnFilter = ColumnFilterUtil.getCollectionRelatedColumnFilter(columnFilter, collectionReference);
    Queue<TileProvider<RasterTile>> providers = findCandidateTiles(collectionReference, request).stream().filter(match -> match._2().map(// if geo is available, does it intersect the bbox?
    polygon -> (!collectionReference.params.rasterTileURL.checkGeometry) || polygon.intersects(GeoTileUtil.toPolygon(bbox))).orElse(// otherwise, let's keep that match, we'll see later if it paints something
    Boolean.TRUE)).map(match -> new URLBasedRasterTileProvider(new RasterTileURL(collectionReference.params.rasterTileURL.url.replace("{id}", Optional.ofNullable(match._1()).orElse("")), collectionReference.params.rasterTileURL.minZ, collectionReference.params.rasterTileURL.maxZ, collectionReference.params.rasterTileURL.checkGeometry), collectionReference.params.rasterTileWidth, collectionReference.params.rasterTileHeight)).collect(Collectors.toCollection(LinkedList::new));
    if (providers.size() == 0) {
        return Response.noContent().build();
    }
    Try<Optional<RasterTile>, ArlasException> stacked = new RasterTileStacker().stack(providers).sampling(Optional.ofNullable(sampling).orElse(10)).upTo(new RasterTileStacker.Percentage(Optional.ofNullable(coverage).orElse(10))).on(new Tile(x, y, z));
    stacked.onFail(failure -> LOGGER.error("Failed to fetch a tile", failure));
    return stacked.map(otile -> otile.map(tile -> Try.withCatch(() -> {
        // lets write the image to the response's output
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        ImageIO.write(tile.getImg(), "png", out);
        return cache(Response.ok(out.toByteArray()), maxagecache);
    }, IOException.class).onFail(e -> Response.serverError().entity(e.getMessage()).build()).orElse(// Can't write the tile => No content
    Response.noContent().build())).orElse(// No tile => No content
    Response.noContent().build())).orElse(// No tile => No content
    Response.noContent().build());
}