kopia lustrzana https://github.com/onthegomap/planetiler
113 wiersze
4.4 KiB
Java
113 wiersze
4.4 KiB
Java
/*
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Copyright (c) 2021, MapTiler.com & OpenMapTiles contributors.
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All rights reserved.
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Code license: BSD 3-Clause License
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Design license: CC-BY 4.0
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See https://github.com/openmaptiles/openmaptiles/blob/master/LICENSE.md for details on usage
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*/
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package com.onthegomap.planetiler.basemap.layers;
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import static com.onthegomap.planetiler.basemap.util.Utils.coalesce;
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import static com.onthegomap.planetiler.basemap.util.Utils.nullIfEmpty;
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import com.onthegomap.planetiler.FeatureCollector;
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import com.onthegomap.planetiler.basemap.BasemapProfile;
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import com.onthegomap.planetiler.basemap.generated.OpenMapTilesSchema;
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import com.onthegomap.planetiler.basemap.generated.Tables;
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import com.onthegomap.planetiler.config.PlanetilerConfig;
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import com.onthegomap.planetiler.reader.SourceFeature;
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import com.onthegomap.planetiler.stats.Stats;
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import com.onthegomap.planetiler.util.Parse;
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import com.onthegomap.planetiler.util.Translations;
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import com.onthegomap.planetiler.util.ZoomFunction;
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import java.util.Map;
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import java.util.Set;
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/**
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* Defines the logic for generating map elements for man-made land use polygons like cemeteries, zoos, and hospitals in
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* the {@code landuse} layer from source features.
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* <p>
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* This class is ported to Java from
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* <a href="https://github.com/openmaptiles/openmaptiles/tree/master/layers/landuse">OpenMapTiles landuse sql files</a>.
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*/
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public class Landuse implements
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OpenMapTilesSchema.Landuse,
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BasemapProfile.NaturalEarthProcessor,
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Tables.OsmLandusePolygon.Handler {
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private static final ZoomFunction<Number> MIN_PIXEL_SIZE_THRESHOLDS = ZoomFunction.fromMaxZoomThresholds(Map.of(
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13, 4,
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7, 2,
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6, 1
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));
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private static final Set<String> Z6_CLASSES = Set.of(
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FieldValues.CLASS_RESIDENTIAL,
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FieldValues.CLASS_SUBURB,
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FieldValues.CLASS_QUARTER,
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FieldValues.CLASS_NEIGHBOURHOOD
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);
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public Landuse(Translations translations, PlanetilerConfig config, Stats stats) {}
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@Override
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public void processNaturalEarth(String table, SourceFeature feature, FeatureCollector features) {
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if ("ne_50m_urban_areas".equals(table)) {
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Double scalerank = Parse.parseDoubleOrNull(feature.getTag("scalerank"));
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if (scalerank != null && scalerank <= 2) {
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features.polygon(LAYER_NAME).setBufferPixels(BUFFER_SIZE)
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.setAttr(Fields.CLASS, FieldValues.CLASS_RESIDENTIAL)
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.setZoomRange(4, 5);
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}
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}
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}
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@Override
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public void process(Tables.OsmLandusePolygon element, FeatureCollector features) {
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String clazz = coalesce(
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nullIfEmpty(element.landuse()),
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nullIfEmpty(element.amenity()),
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nullIfEmpty(element.leisure()),
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nullIfEmpty(element.tourism()),
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nullIfEmpty(element.place()),
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nullIfEmpty(element.waterway())
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);
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if (clazz != null) {
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if ("grave_yard".equals(clazz)) {
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clazz = FieldValues.CLASS_CEMETERY;
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}
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features.polygon(LAYER_NAME).setBufferPixels(BUFFER_SIZE)
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.setAttr(Fields.CLASS, clazz)
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.setMinPixelSizeOverrides(MIN_PIXEL_SIZE_THRESHOLDS)
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.setMinZoom(Z6_CLASSES.contains(clazz) ? 6 : 9);
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}
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}
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}
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