Examples with TileSet de.ii.ogcapi.tiles.domain.TileSet used on opensource projects

Example 1 with TileSet

use of de.ii.ogcapi.tiles.domain.TileSet in project ldproxy by interactive-instruments.

the class TilesQueriesHandlerImpl method getTileSetResponse.

private Response getTileSetResponse(QueryInputTileSet queryInput, ApiRequestContext requestContext) {
    OgcApi api = requestContext.getApi();
    OgcApiDataV2 apiData = api.getData();
    String tileMatrixSetId = queryInput.getTileMatrixSetId();
    Optional<String> collectionId = queryInput.getCollectionId();
    String definitionPath = queryInput.getPath();
    String path = collectionId.map(value -> definitionPath.replace("{collectionId}", value)).orElse(definitionPath).replace("{tileMatrixSetId}", tileMatrixSetId);
    TileSetFormatExtension outputFormat = api.getOutputFormat(TileSetFormatExtension.class, requestContext.getMediaType(), path, collectionId).orElseThrow(() -> new NotAcceptableException(MessageFormat.format("The requested media type ''{0}'' is not supported for this resource.", requestContext.getMediaType())));
    List<TileFormatExtension> tileFormats = extensionRegistry.getExtensionsForType(TileFormatExtension.class).stream().filter(format -> collectionId.map(s -> format.isApplicable(apiData, s, definitionPath)).orElseGet(() -> format.isApplicable(apiData, definitionPath))).collect(Collectors.toUnmodifiableList());
    DataType dataType = tileFormats.stream().map(TileFormatExtension::getDataType).findAny().orElseThrow(() -> new NotFoundException("No encoding found for this tile set."));
    final TilesLinkGenerator tilesLinkGenerator = new TilesLinkGenerator();
    List<Link> links = tilesLinkGenerator.generateTileSetLinks(requestContext.getUriCustomizer(), requestContext.getMediaType(), requestContext.getAlternateMediaTypes(), tileFormats, i18n, requestContext.getLanguage());
    MinMax zoomLevels = queryInput.getZoomLevels();
    List<Double> center = queryInput.getCenter();
    TileSet tileset = TilesHelper.buildTileSet(api, getTileMatrixSetById(tileMatrixSetId), zoomLevels, center, collectionId, dataType, links, Optional.of(requestContext.getUriCustomizer().copy()), crsTransformerFactory, limitsGenerator, providers, entityRegistry);
    Date lastModified = getLastModified(queryInput, requestContext.getApi());
    EntityTag etag = !outputFormat.getMediaType().type().equals(MediaType.TEXT_HTML_TYPE) || (collectionId.isEmpty() ? apiData.getExtension(HtmlConfiguration.class) : apiData.getExtension(HtmlConfiguration.class, collectionId.get())).map(HtmlConfiguration::getSendEtags).orElse(false) ? getEtag(tileset, TileSet.FUNNEL, outputFormat) : null;
    Response.ResponseBuilder response = evaluatePreconditions(requestContext, lastModified, etag);
    if (Objects.nonNull(response))
        return response.build();
    return prepareSuccessResponse(requestContext, queryInput.getIncludeLinkHeader() ? links : null, lastModified, etag, queryInput.getCacheControl().orElse(null), queryInput.getExpires().orElse(null), null, true, String.format("%s.%s", tileset.getTileMatrixSetId(), outputFormat.getMediaType().fileExtension())).entity(outputFormat.getTileSetEntity(tileset, apiData, collectionId, requestContext)).build();
}

Example 2 with TileSet

use of de.ii.ogcapi.tiles.domain.TileSet in project ldproxy by interactive-instruments.

the class TilesHelper method buildTileSet.

// TODO: move to TileSet as static of()
/**
 * generate the tile set metadata according to the OGC Tile Matrix Set standard (version 2.0.0, draft from June 2021)
 * @param api the API
 * @param tileMatrixSet the tile matrix set
 * @param zoomLevels the range of zoom levels
 * @param center the center point
 * @param collectionId the collection, empty = all collections in the dataset
 * @param dataType vector, map or coverage
 * @param links links to include in the object
 * @param uriCustomizer optional URI of the resource
 * @param limitsGenerator helper to generate the limits for each zoom level based on the bbox of the data
 * @param providers helper to access feature providers
 * @return the tile set metadata
 */
public static TileSet buildTileSet(OgcApi api, TileMatrixSet tileMatrixSet, MinMax zoomLevels, List<Double> center, Optional<String> collectionId, TileSet.DataType dataType, List<Link> links, Optional<URICustomizer> uriCustomizer, CrsTransformerFactory crsTransformerFactory, TileMatrixSetLimitsGenerator limitsGenerator, FeaturesCoreProviders providers, EntityRegistry entityRegistry) {
    OgcApiDataV2 apiData = api.getData();
    Builder builder = ImmutableTileSet.builder().dataType(dataType);
    builder.tileMatrixSetId(tileMatrixSet.getId());
    if (tileMatrixSet.getURI().isPresent())
        builder.tileMatrixSetURI(tileMatrixSet.getURI().get().toString());
    else
        builder.tileMatrixSet(tileMatrixSet.getTileMatrixSetData());
    uriCustomizer.ifPresent(uriCustomizer1 -> builder.tileMatrixSetDefinition(uriCustomizer1.removeLastPathSegments(collectionId.isPresent() ? 3 : 1).clearParameters().ensureLastPathSegments("tileMatrixSets", tileMatrixSet.getId()).toString()));
    if (Objects.isNull(zoomLevels))
        builder.tileMatrixSetLimits(ImmutableList.of());
    else
        builder.tileMatrixSetLimits(collectionId.isPresent() ? limitsGenerator.getCollectionTileMatrixSetLimits(api, collectionId.get(), tileMatrixSet, zoomLevels) : limitsGenerator.getTileMatrixSetLimits(api, tileMatrixSet, zoomLevels));
    try {
        BoundingBox boundingBox = api.getSpatialExtent(collectionId).orElse(tileMatrixSet.getBoundingBoxCrs84(crsTransformerFactory));
        builder.boundingBox(ImmutableTilesBoundingBox.builder().lowerLeft(BigDecimal.valueOf(boundingBox.getXmin()).setScale(7, RoundingMode.HALF_UP), BigDecimal.valueOf(boundingBox.getYmin()).setScale(7, RoundingMode.HALF_UP)).upperRight(BigDecimal.valueOf(boundingBox.getXmax()).setScale(7, RoundingMode.HALF_UP), BigDecimal.valueOf(boundingBox.getYmax()).setScale(7, RoundingMode.HALF_UP)).crs(OgcCrs.CRS84.toUriString()).build());
    } catch (CrsTransformationException e) {
    // ignore, just skip the boundingBox
    }
    if ((Objects.nonNull(zoomLevels) && zoomLevels.getDefault().isPresent()) || !center.isEmpty()) {
        ImmutableTilePoint.Builder builder2 = new ImmutableTilePoint.Builder();
        if (Objects.nonNull(zoomLevels))
            zoomLevels.getDefault().ifPresent(def -> builder2.tileMatrix(String.valueOf(def)));
        if (!center.isEmpty())
            builder2.coordinates(center);
        builder.centerPoint(builder2.build());
    }
    // prepare a map with the JSON schemas of the feature collections used in the style
    JsonSchemaCache schemas = new SchemaCacheTileSet(() -> entityRegistry.getEntitiesForType(Codelist.class));
    Map<String, JsonSchemaDocument> schemaMap = collectionId.isPresent() ? apiData.getCollectionData(collectionId.get()).filter(collectionData -> {
        Optional<TilesConfiguration> config = collectionData.getExtension(TilesConfiguration.class);
        return collectionData.getEnabled() && config.isPresent() && config.get().isEnabled();
    }).map(collectionData -> {
        Optional<FeatureSchema> schema = providers.getFeatureSchema(apiData, collectionData);
        if (schema.isPresent())
            return ImmutableMap.of(collectionId.get(), schemas.getSchema(schema.get(), apiData, collectionData, Optional.empty()));
        return null;
    }).filter(Objects::nonNull).orElse(ImmutableMap.of()) : apiData.getCollections().entrySet().stream().filter(entry -> {
        Optional<TilesConfiguration> config = entry.getValue().getExtension(TilesConfiguration.class);
        return entry.getValue().getEnabled() && config.isPresent() && config.get().isMultiCollectionEnabled();
    }).map(entry -> {
        Optional<FeatureSchema> schema = providers.getFeatureSchema(apiData, entry.getValue());
        if (schema.isPresent())
            return new AbstractMap.SimpleImmutableEntry<>(entry.getKey(), schemas.getSchema(schema.get(), apiData, entry.getValue(), Optional.empty()));
        return null;
    }).filter(Objects::nonNull).collect(ImmutableMap.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
    // TODO: replace with SchemaDeriverTileLayers
    schemaMap.entrySet().stream().forEach(entry -> {
        String collectionId2 = entry.getKey();
        FeatureTypeConfigurationOgcApi collectionData = apiData.getCollections().get(collectionId2);
        JsonSchemaDocument schema = entry.getValue();
        ImmutableTileLayer.Builder builder2 = ImmutableTileLayer.builder().id(collectionId2).title(collectionData.getLabel()).description(collectionData.getDescription()).dataType(dataType);
        collectionData.getExtension(TilesConfiguration.class).map(config -> config.getZoomLevelsDerived().get(tileMatrixSet.getId())).ifPresent(minmax -> builder2.minTileMatrix(String.valueOf(minmax.getMin())).maxTileMatrix(String.valueOf(minmax.getMax())));
        final JsonSchema geometry = schema.getProperties().get("geometry");
        if (Objects.nonNull(geometry)) {
            String geomAsString = geometry.toString();
            boolean point = geomAsString.contains("GeoJSON Point") || geomAsString.contains("GeoJSON MultiPoint");
            boolean line = geomAsString.contains("GeoJSON LineString") || geomAsString.contains("GeoJSON MultiLineString");
            boolean polygon = geomAsString.contains("GeoJSON Polygon") || geomAsString.contains("GeoJSON MultiPolygon");
            if (point && !line && !polygon)
                builder2.geometryType(TileLayer.GeometryType.points);
            else if (!point && line && !polygon)
                builder2.geometryType(TileLayer.GeometryType.lines);
            else if (!point && !line && polygon)
                builder2.geometryType(TileLayer.GeometryType.polygons);
        }
        final JsonSchemaObject properties = (JsonSchemaObject) schema.getProperties().get("properties");
        builder2.propertiesSchema(ImmutableJsonSchemaObject.builder().required(properties.getRequired()).properties(properties.getProperties()).patternProperties(properties.getPatternProperties()).build());
        builder.addLayers(builder2.build());
    });
    builder.links(links);
    return builder.build();
}

Example 3 with TileSet

use of de.ii.ogcapi.tiles.domain.TileSet in project ldproxy by interactive-instruments.

the class TileCacheImpl method getOrInitTileset.

/**
 * MBTILES: create a new, empty Mbtiles cache file
 * @param api the API
 * @param collectionId the collection; an empty value represents the dataset
 * @param tileMatrixSet the tile matrix set
 * @return the Tileset
 */
private MbtilesTileset getOrInitTileset(OgcApi api, Optional<String> collectionId, TileMatrixSet tileMatrixSet) throws IOException {
    OgcApiDataV2 apiData = api.getData();
    String apiId = apiData.getId();
    String tileMatrixSetId = tileMatrixSet.getId();
    String key = String.join("/", apiId, collectionId.orElse("__all__"), tileMatrixSetId);
    if (!mbtiles.containsKey(key)) {
        Files.createDirectories(cacheStore.resolve(apiId).resolve(collectionId.orElse("__all__")));
        Path path = cacheStore.resolve(apiId).resolve(collectionId.orElse("__all__")).resolve(tileMatrixSetId + ".mbtiles");
        if (Files.exists(path)) {
            mbtiles.put(key, new MbtilesTileset(path));
        } else {
            TilesConfiguration config = collectionId.isEmpty() ? apiData.getExtension(TilesConfiguration.class).get() : apiData.getExtension(TilesConfiguration.class, collectionId.get()).get();
            // test, if tiles will be created for this tileset, otherwise log this information
            MinMax range = config.getZoomLevelsDerived().get(tileMatrixSetId);
            if (Objects.isNull(range)) {
                LOGGER.debug("The configuration does not include tiles for tile matrix set '{}'{}, but other parts of the configuration require that the MBTiles file cache '{}' is created. Review the configuration for TILES on the API level and for each collection.", tileMatrixSetId, collectionId.map(s -> " for collection '" + s + "'").orElse(""), key);
            }
            // get the tile set metadata
            TileSet tileSetMetadata = TilesHelper.buildTileSet(api, tileMatrixSet, range, config.getCenterDerived(), collectionId, TileSet.DataType.vector, ImmutableList.of(), Optional.empty(), crsTransformerFactory, limitsGenerator, providers, entityRegistry);
            // convert to Mbtiles metadata
            // TODO support type, version
            MbtilesMetadata md = ImmutableMbtilesMetadata.builder().name(apiData.getLabel()).format(MbtilesMetadata.MbtilesFormat.pbf).description(apiData.getDescription()).attribution(apiData.getMetadata().flatMap(Metadata::getAttribution)).minzoom(TilesHelper.getMinzoom(tileSetMetadata)).maxzoom(TilesHelper.getMaxzoom(tileSetMetadata)).bounds(TilesHelper.getBounds(tileSetMetadata)).center(TilesHelper.getCenter(tileSetMetadata)).vectorLayers(TilesHelper.getVectorLayers(apiData, collectionId, tileMatrixSet.getId(), providers, schemaInfo)).build();
            try {
                mbtiles.put(key, new MbtilesTileset(path, md));
            } catch (FileAlreadyExistsException e) {
                // The file could have been created by a parallel thread
                LOGGER.debug("MBTiles file '{}' already exists.", path);
                if (!mbtiles.containsKey(key)) {
                    // reuse the existing file
                    mbtiles.put(key, new MbtilesTileset(path));
                }
            }
        }
    }
    return mbtiles.get(key);
}

Example 4 with TileSet

use of de.ii.ogcapi.tiles.domain.TileSet in project ldproxy by interactive-instruments.

the class TilesHelper method getCenter.

// TODO: move to TileSet as @Value.Lazy
/**
 * derive the default view as longitude, latitude, zoom level
 * @param tileset the tile set metadata according to the OGC Tile Matrix Set standard
 * @return the default view
 */
public static List<Number> getCenter(TileSet tileset) {
    TilesBoundingBox bbox = tileset.getBoundingBox();
    double centerLon = tileset.getCenterPoint().map(TilePoint::getCoordinates).filter(coord -> coord.size() >= 2).map(coord -> coord.get(0)).orElse(bbox.getLowerLeft()[0].doubleValue() + (bbox.getUpperRight()[0].doubleValue() - bbox.getLowerLeft()[0].doubleValue()) * 0.5);
    double centerLat = tileset.getCenterPoint().map(TilePoint::getCoordinates).filter(coord -> coord.size() >= 2).map(coord -> coord.get(1)).orElse(bbox.getLowerLeft()[1].doubleValue() + (bbox.getUpperRight()[1].doubleValue() - bbox.getLowerLeft()[1].doubleValue()) * 0.5);
    int defaultZoomLevel = tileset.getCenterPoint().map(TilePoint::getTileMatrix).flatMap(level -> level).map(Integer::valueOf).orElse(0);
    return ImmutableList.of(centerLon, centerLat, defaultZoomLevel);
}