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

Example 1 with TileMatrixSet

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

the class TilesQueriesHandlerImpl method getMultiLayerTileResponse.

private Response getMultiLayerTileResponse(QueryInputTileMultiLayer queryInput, ApiRequestContext requestContext) {
    OgcApi api = requestContext.getApi();
    OgcApiDataV2 apiData = api.getData();
    Tile multiLayerTile = queryInput.getTile();
    List<String> collectionIds = multiLayerTile.getCollectionIds();
    Map<String, FeatureQuery> queryMap = queryInput.getQueryMap();
    Map<String, Tile> singleLayerTileMap = queryInput.getSingleLayerTileMap();
    FeatureProvider2 featureProvider = multiLayerTile.getFeatureProvider().get();
    TileMatrixSet tileMatrixSet = multiLayerTile.getTileMatrixSet();
    int tileLevel = multiLayerTile.getTileLevel();
    int tileRow = multiLayerTile.getTileRow();
    int tileCol = multiLayerTile.getTileCol();
    if (!(multiLayerTile.getOutputFormat() instanceof TileFormatWithQuerySupportExtension))
        throw new RuntimeException(String.format("Unexpected tile format without query support. Found: %s", multiLayerTile.getOutputFormat().getClass().getSimpleName()));
    TileFormatWithQuerySupportExtension outputFormat = (TileFormatWithQuerySupportExtension) multiLayerTile.getOutputFormat();
    // process parameters and generate query
    Optional<CrsTransformer> crsTransformer = Optional.empty();
    EpsgCrs targetCrs = tileMatrixSet.getCrs();
    if (featureProvider.supportsCrs()) {
        EpsgCrs sourceCrs = featureProvider.crs().getNativeCrs();
        crsTransformer = crsTransformerFactory.getTransformer(sourceCrs, targetCrs);
    }
    List<Link> links = new DefaultLinksGenerator().generateLinks(requestContext.getUriCustomizer(), requestContext.getMediaType(), requestContext.getAlternateMediaTypes(), i18n, requestContext.getLanguage());
    Map<String, ByteArrayOutputStream> byteArrayMap = new HashMap<>();
    for (String collectionId : collectionIds) {
        // TODO limitation of the current model: all layers have to come from the same feature provider and use the same CRS
        Tile tile = singleLayerTileMap.get(collectionId);
        if (!multiLayerTile.getTemporary()) {
            // use cached tile
            try {
                Optional<InputStream> tileContent = tileCache.getTile(tile);
                if (tileContent.isPresent()) {
                    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
                    ByteStreams.copy(tileContent.get(), buffer);
                    byteArrayMap.put(collectionId, buffer);
                    continue;
                }
            } catch (SQLException | IOException e) {
            // could not read the cache, generate the tile
            }
        }
        String featureTypeId = apiData.getCollections().get(collectionId).getExtension(FeaturesCoreConfiguration.class).map(cfg -> cfg.getFeatureType().orElse(collectionId)).orElse(collectionId);
        FeatureQuery query = queryMap.get(collectionId);
        ImmutableFeatureTransformationContextTiles transformationContext;
        try {
            transformationContext = new ImmutableFeatureTransformationContextTiles.Builder().api(api).apiData(apiData).featureSchema(featureProvider.getData().getTypes().get(featureTypeId)).tile(tile).tileCache(tileCache).collectionId(collectionId).ogcApiRequest(requestContext).crsTransformer(crsTransformer).codelists(entityRegistry.getEntitiesForType(Codelist.class).stream().collect(Collectors.toMap(PersistentEntity::getId, c -> c))).defaultCrs(queryInput.getDefaultCrs()).links(links).isFeatureCollection(true).fields(query.getFields()).limit(query.getLimit()).offset(0).i18n(i18n).outputStream(new OutputStreamToByteConsumer()).build();
        } catch (Exception e) {
            throw new RuntimeException("Error building the tile transformation context.", e);
        }
        Optional<FeatureTokenEncoder<?>> encoder = outputFormat.getFeatureEncoder(transformationContext);
        if (outputFormat.supportsFeatureQuery() && encoder.isPresent()) {
            FeatureStream featureStream = featureProvider.queries().getFeatureStream(query);
            ResultReduced<byte[]> result = generateTile(featureStream, encoder.get(), transformationContext, outputFormat);
            if (result.isSuccess()) {
                byte[] bytes = result.reduced();
                ByteArrayOutputStream buffer = new ByteArrayOutputStream(bytes.length);
                buffer.write(bytes, 0, bytes.length);
                byteArrayMap.put(collectionId, buffer);
            }
        } else {
            throw new NotAcceptableException(MessageFormat.format("The requested media type {0} cannot be generated, because it does not support streaming.", requestContext.getMediaType().type()));
        }
    }
    TileFormatWithQuerySupportExtension.MultiLayerTileContent result;
    try {
        result = outputFormat.combineSingleLayerTilesToMultiLayerTile(tileMatrixSet, singleLayerTileMap, byteArrayMap);
    } catch (IOException e) {
        throw new RuntimeException("Error accessing the tile cache.", e);
    }
    // try to write/update tile in cache, if all collections have been processed
    if (result.isComplete) {
        try {
            tileCache.storeTile(multiLayerTile, result.byteArray);
        } catch (Throwable e) {
            String msg = "Failure to write the multi-layer file of tile {}/{}/{}/{} in dataset '{}', format '{}' to the cache";
            LogContext.errorAsInfo(LOGGER, e, msg, tileMatrixSet.getId(), tileLevel, tileRow, tileCol, api.getId(), outputFormat.getExtension());
        }
    }
    Date lastModified = null;
    EntityTag etag = getEtag(result.byteArray);
    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_%d_%d_%d.%s", tileMatrixSet.getId(), tileLevel, tileRow, tileCol, outputFormat.getMediaType().fileExtension())).entity(result.byteArray).build();
}

Example 2 with TileMatrixSet

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

the class TileSetsFormatHtml method getTileSetsEntity.

@Override
public Object getTileSetsEntity(TileSets tiles, Optional<String> collectionId, OgcApi api, ApiRequestContext requestContext) {
    String rootTitle = i18n.get("root", requestContext.getLanguage());
    String collectionsTitle = i18n.get("collectionsTitle", requestContext.getLanguage());
    String tilesTitle = i18n.get("tilesTitle", requestContext.getLanguage());
    URICustomizer resourceUri = requestContext.getUriCustomizer().copy().clearParameters();
    final List<NavigationDTO> breadCrumbs = collectionId.isPresent() ? new ImmutableList.Builder<NavigationDTO>().add(new NavigationDTO(rootTitle, resourceUri.copy().removeLastPathSegments(api.getData().getSubPath().size() + 3).toString())).add(new NavigationDTO(api.getData().getLabel(), resourceUri.copy().removeLastPathSegments(3).toString())).add(new NavigationDTO(collectionsTitle, resourceUri.copy().removeLastPathSegments(2).toString())).add(new NavigationDTO(api.getData().getCollections().get(collectionId.get()).getLabel(), resourceUri.copy().removeLastPathSegments(1).toString())).add(new NavigationDTO(tilesTitle)).build() : new ImmutableList.Builder<NavigationDTO>().add(new NavigationDTO(rootTitle, resourceUri.copy().removeLastPathSegments(api.getData().getSubPath().size() + 1).toString())).add(new NavigationDTO(api.getData().getLabel(), resourceUri.copy().removeLastPathSegments(1).toString())).add(new NavigationDTO(tilesTitle)).build();
    Optional<HtmlConfiguration> htmlConfig = collectionId.isPresent() ? api.getData().getExtension(HtmlConfiguration.class, collectionId.get()) : api.getData().getExtension(HtmlConfiguration.class);
    Map<String, TileMatrixSet> tileMatrixSets = tileMatrixSetRepository.getAll();
    Optional<TilesConfiguration> tilesConfig = collectionId.isEmpty() ? api.getData().getExtension(TilesConfiguration.class) : api.getData().getExtension(TilesConfiguration.class, collectionId.get());
    MapClient.Type mapClientType = tilesConfig.map(TilesConfiguration::getMapClientType).orElse(MapClient.Type.MAP_LIBRE);
    String serviceUrl = new URICustomizer(servicesUri).ensureLastPathSegments(api.getData().getSubPath().toArray(String[]::new)).toString();
    String styleUrl = htmlConfig.map(cfg -> cfg.getStyle(tilesConfig.map(TilesConfiguration::getStyle), collectionId, serviceUrl)).orElse(null);
    boolean removeZoomLevelConstraints = tilesConfig.map(TilesConfiguration::getRemoveZoomLevelConstraints).orElse(false);
    return new TileSetsView(api.getData(), tiles, collectionId, api.getSpatialExtent(collectionId), api.getTemporalExtent(collectionId), tileMatrixSets, breadCrumbs, requestContext.getStaticUrlPrefix(), mapClientType, styleUrl, removeZoomLevelConstraints, htmlConfig.orElseThrow(), isNoIndexEnabledForApi(api.getData()), requestContext.getUriCustomizer(), i18n, requestContext.getLanguage());
}

Example 3 with TileMatrixSet

use of de.ii.ogcapi.tiles.domain.tileMatrixSet.TileMatrixSet 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 4 with TileMatrixSet

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

the class TileCacheImpl method deleteTilesMbtiles.

private void deleteTilesMbtiles(OgcApi api, Optional<String> collectionId, Map<String, MinMax> zoomLevels, Map<String, BoundingBox> boundingBoxes) throws SQLException, IOException {
    for (Map.Entry<String, MinMax> tileSet : zoomLevels.entrySet()) {
        TileMatrixSet tileMatrixSet = getTileMatrixSetById(tileSet.getKey());
        MinMax levels = tileSet.getValue();
        BoundingBox bbox = boundingBoxes.get(tileSet.getKey());
        // first the dataset tiles
        deleteTilesMbtiles(api, Optional.empty(), tileMatrixSet, levels, bbox);
        if (collectionId.isPresent()) {
            // also the single collection tiles for the collection
            deleteTilesMbtiles(api, collectionId, tileMatrixSet, levels, bbox);
        } else {
            // all single collection tiles
            for (String colId : api.getData().getCollections().keySet()) {
                deleteTilesMbtiles(api, Optional.of(colId), tileMatrixSet, levels, bbox);
            }
        }
    }
}

Example 5 with TileMatrixSet

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

the class EndpointTileMatrixSets method getTileMatrixSets.

/**
 * retrieve all available tile matrix sets
 *
 * @return all tile matrix sets in a json array or an HTML view
 */
@GET
public Response getTileMatrixSets(@Context OgcApi api, @Context ApiRequestContext requestContext) {
    if (!isEnabledForApi(api.getData()))
        throw new NotFoundException("Tile matrix sets are not available in this API.");
    ImmutableSet<TileMatrixSet> tmsSet = getPathParameters(extensionRegistry, api.getData(), "/tileMatrixSets/{tileMatrixSetId}").stream().filter(param -> param.getName().equalsIgnoreCase("tileMatrixSetId")).findFirst().map(param -> param.getValues(api.getData()).stream().map(tileMatrixSetRepository::get).filter(Optional::isPresent).map(Optional::get).collect(ImmutableSet.toImmutableSet())).orElse(ImmutableSet.of());
    TileMatrixSetsQueriesHandler.QueryInputTileMatrixSets queryInput = new ImmutableQueryInputTileMatrixSets.Builder().from(getGenericQueryInput(api.getData())).tileMatrixSets(tmsSet).build();
    return queryHandler.handle(TileMatrixSetsQueriesHandler.Query.TILE_MATRIX_SETS, queryInput, requestContext);
}