diff --git a/linespace_shade/pom-xml-flattened b/linespace_shade/pom-xml-flattened
new file mode 100644
index 0000000000..06ca81407c
--- /dev/null
+++ b/linespace_shade/pom-xml-flattened
@@ -0,0 +1,131 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ linespace_shade
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+
+
+ com.fasterxml.jackson.dataformat
+ jackson-dataformat-xml
+
+
+
+
+ blue.strategic.parquet
+ parquet-floor
+ 1.44
+
+
+ com.google.protobuf
+ protobuf-java
+ 3.25.3
+
+
+ com.fasterxml.jackson.core
+ jackson-databind
+ 2.17.1
+
+
+ com.fasterxml.jackson.core
+ jackson-core
+ 2.17.1
+
+
+ com.fasterxml.jackson.core
+ jackson-annotations
+ 2.17.1
+
+
+
+
+
+ maven-shade-plugin
+ 3.6.0
+
+
+ package
+
+ shade
+
+
+
+
+ *:*
+
+ META-INF/*.SF
+ META-INF/*.DSA
+ META-INF/*.RSA
+
+
+
+
+
+ org.apache.hadoop
+ shade.org.apache.hadoop
+
+
+ com.google.protobuf
+ shade.com.google.protobuf
+
+
+ google.protobuf
+ shade.google.protobuf
+
+
+ com.fasterxml.jackson.annotation
+ shade.com.fasterxml.jackson.annotation
+
+
+ com.fasterxml.jackson.core
+ shade.com.fasterxml.jackson.core
+
+
+ com.fasterxml.jackson.databind
+ shade.com.fasterxml.jackson.databind
+
+
+ com.fasterxml.jackson.dataformat.csv
+ shade.com.fasterxml.jackson.dataformat.csv
+
+
+ com.fasterxml.jackson.dataformat.xml
+ shade.com.fasterxml.jackson.dataformat.xml
+
+
+ com.fasterxml.jackson.datatype.jdk8
+ shade.com.fasterxml.jackson.datatype.jdk8
+
+
+ com.fasterxml.jackson.datatype.jsr310
+ com.fasterxml.jackson.datatype.jsr310
+
+
+
+
+
+
+ false
+
+
+
+
+
diff --git a/planetiler-benchmarks/pom-xml-flattened b/planetiler-benchmarks/pom-xml-flattened
new file mode 100644
index 0000000000..930e2f33ed
--- /dev/null
+++ b/planetiler-benchmarks/pom-xml-flattened
@@ -0,0 +1,63 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ planetiler-benchmarks
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ 0.8
+
+
+ org.openmaptiles
+ planetiler-openmaptiles
+ 0.8
+
+
+
+
+
+ maven-assembly-plugin
+ 3.7.1
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+
+
+
+
+
+ true
+
+
+
+ with-deps
+
+
+
+
+ maven-deploy-plugin
+
+ true
+
+
+
+
+
diff --git a/planetiler-core/pom-xml-flattened b/planetiler-core/pom-xml-flattened
new file mode 100644
index 0000000000..483f104751
--- /dev/null
+++ b/planetiler-core/pom-xml-flattened
@@ -0,0 +1,269 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ planetiler-core
+ 0.8.3
+ Planetiler Core
+ Planetiler is tool to build planet-scale vector tilesets from OpenStreetMap data fast.
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+ 0.16.0
+ 3.25.4
+ 6.6.5
+ 2.23.1
+ 31.3
+
+
+
+ com.carrotsearch
+ hppc
+ 0.10.0
+
+
+ org.roaringbitmap
+ RoaringBitmap
+ 1.2.1
+
+
+ com.google.protobuf
+ protobuf-java
+ ${protobuf.version}
+
+
+ com.github.jnr
+ jnr-ffi
+ 2.2.16
+
+
+ org.locationtech.jts
+ jts-core
+ ${jts.version}
+
+
+ org.tukaani
+ xz
+ 1.10
+
+
+ org.geotools
+ gt-shapefile
+ ${geotools.version}
+
+
+ org.geotools
+ gt-epsg-hsql
+ ${geotools.version}
+
+
+ org.xerial
+ sqlite-jdbc
+ 3.46.0.1
+
+
+ org.msgpack
+ msgpack-core
+ 0.9.8
+
+
+ org.slf4j
+ slf4j-api
+ 2.0.16
+
+
+ org.apache.logging.log4j
+ log4j-slf4j2-impl
+ ${log4j.version}
+
+
+ org.apache.logging.log4j
+ log4j-api
+ ${log4j.version}
+
+
+ org.apache.logging.log4j
+ log4j-core
+ ${log4j.version}
+
+
+ com.fasterxml.jackson.core
+ jackson-core
+ ${jackson.version}
+
+
+ com.fasterxml.jackson.core
+ jackson-databind
+ ${jackson.version}
+
+
+ com.fasterxml.jackson.datatype
+ jackson-datatype-jdk8
+ ${jackson.version}
+
+
+ com.fasterxml.jackson.dataformat
+ jackson-dataformat-xml
+ ${jackson.version}
+
+
+ com.fasterxml.jackson.dataformat
+ jackson-dataformat-csv
+ ${jackson.version}
+
+
+ com.fasterxml.jackson.datatype
+ jackson-datatype-jsr310
+ ${jackson.version}
+
+
+ org.snakeyaml
+ snakeyaml-engine
+
+
+ io.prometheus
+ simpleclient
+ ${prometheus.version}
+
+
+ io.prometheus
+ simpleclient_common
+ ${prometheus.version}
+
+
+ io.prometheus
+ simpleclient_pushgateway
+ ${prometheus.version}
+
+
+ io.prometheus
+ simpleclient_hotspot
+ ${prometheus.version}
+
+
+ com.ibm.icu
+ icu4j
+ 75.1
+
+
+ com.google.guava
+ guava
+ 33.2.1-jre
+
+
+ mil.nga.geopackage
+ geopackage
+ ${geopackage.version}
+
+
+ org.slf4j
+ slf4j-nop
+
+
+
+
+ org.xerial.snappy
+ snappy-java
+ 1.1.10.6
+
+
+ blue.strategic.parquet
+ parquet-floor
+ 1.45
+
+
+ io.minio
+ minio
+ 8.5.10
+
+
+
+
+
+ kr.motd.maven
+ os-maven-plugin
+ 1.7.1
+
+
+
+
+ true
+ src/main/resources
+
+ buildinfo.properties
+
+
+
+ false
+ src/main/resources
+
+ buildinfo.properties
+
+
+
+
+
+ false
+ src/test/resources
+
+
+
+
+
+ maven-jar-plugin
+ 3.4.2
+
+
+
+ test-jar
+
+
+
+
+
+ *.wkb
+ *.mbtiles
+ *.sqlite
+
+
+
+
+
+
+
+ maven-javadoc-plugin
+
+
+ io.github.zlika
+ reproducible-build-maven-plugin
+
+
+ org.xolstice.maven.plugins
+ protobuf-maven-plugin
+ 0.6.1
+
+
+
+ compile
+ test-compile
+
+
+
+
+ com.google.protobuf:protoc:${protobuf.version}:exe:${os.detected.classifier}
+
+
+
+
+
diff --git a/planetiler-core/src/main/java/com/onthegomap/planetiler/ScalableLandCoverTileProcessor.java b/planetiler-core/src/main/java/com/onthegomap/planetiler/ScalableLandCoverTileProcessor.java
new file mode 100644
index 0000000000..6ec33edaec
--- /dev/null
+++ b/planetiler-core/src/main/java/com/onthegomap/planetiler/ScalableLandCoverTileProcessor.java
@@ -0,0 +1,129 @@
+package com.onthegomap.planetiler;
+
+import com.onthegomap.planetiler.geo.GeometryException;
+import com.onthegomap.planetiler.geo.TileCoord;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.locationtech.jts.geom.Geometry;
+import org.locationtech.jts.geom.GeometryFactory;
+
+public class ScalableLandCoverTileProcessor implements ForwardingProfile.LayerPostProcesser,
+ ForwardingProfile.TilePostProcessor {
+
+ private static final int MAX_ZOOM = 14;
+ private static final int RASTERIZE_ZOOM_THRESHOLD = 11;
+ private static final GeometryFactory geometryFactory = new GeometryFactory();
+ private static final int TILE_SIZE = 4096;
+
+ @Override
+ public String name() {
+ return "land_cover";
+ }
+
+ @Override
+ public List postProcess(int zoom, List items) throws GeometryException {
+ if (zoom > MAX_ZOOM) {
+ return items;
+ }
+
+ List processedFeatures = new ArrayList<>();
+
+ for (VectorTile.Feature feature : items) {
+ VectorTile.Feature processedFeature = processFeature(feature, zoom);
+ if (processedFeature != null) {
+ processedFeatures.add(processedFeature);
+ }
+ }
+
+ return processedFeatures;
+ }
+
+ @Override
+ public Map> postProcessTile(TileCoord tileCoord,
+ Map> layers) throws GeometryException {
+ if (!layers.containsKey(name())) {
+ return layers;
+ }
+
+ List features = layers.get(name());
+ List processedFeatures = postProcess(tileCoord.z(), features);
+
+ Map> result = new HashMap<>(layers);
+ result.put(name(), processedFeatures);
+ return result;
+ }
+
+ private VectorTile.Feature processFeature(VectorTile.Feature feature, int zoom) throws GeometryException {
+ Geometry geometry = feature.geometry().decode();
+
+ if (zoom == MAX_ZOOM) {
+ return feature;
+ } else if (zoom <= RASTERIZE_ZOOM_THRESHOLD) {
+ geometry = rasterizeGeometry(geometry, zoom, feature.id());
+ } else {
+ geometry = simplifyGeometry(geometry, zoom);
+ }
+
+ if (geometry.isEmpty()) {
+ return null;
+ }
+
+ return feature.copyWithNewGeometry(geometry);
+ }
+
+ private Geometry rasterizeGeometry(Geometry geometry, int zoom, long featureId) {
+ boolean[][] grid = new boolean[TILE_SIZE][TILE_SIZE];
+
+ // 填充网格
+ for (int x = 0; x < TILE_SIZE; x++) {
+ for (int y = 0; y < TILE_SIZE; y++) {
+ Geometry pixel = createPixel(x, y, TILE_SIZE);
+ if (geometry.intersects(pixel)) {
+ grid[x][y] = true;
+ }
+ }
+ }
+
+ // 将网格转换回几何形状
+ return convertGridToGeometry(grid);
+ }
+
+ private Geometry createPixel(int x, int y, int gridSize) {
+ double size = 1.0 / gridSize;
+ return geometryFactory.toGeometry(new org.locationtech.jts.geom.Envelope(
+ x * size, (x + 1) * size, y * size, (y + 1) * size
+ ));
+ }
+
+ private Geometry convertGridToGeometry(boolean[][] grid) {
+ List pixels = new ArrayList<>();
+ for (int x = 0; x < grid.length; x++) {
+ for (int y = 0; y < grid[x].length; y++) {
+ if (grid[x][y]) {
+ pixels.add(createPixel(x, y, grid.length));
+ }
+ }
+ }
+ return geometryFactory.buildGeometry(pixels).union();
+ }
+
+ private Geometry simplifyGeometry(Geometry geometry, int zoom) {
+ double tolerance = calculateSimplificationTolerance(zoom);
+ return org.locationtech.jts.simplify.TopologyPreservingSimplifier.simplify(geometry, tolerance);
+ }
+
+ private double calculateSimplificationTolerance(int zoom) {
+ return 1.0 / (1 << zoom);
+ }
+
+ // 新增：处理多个要素重叠的情况
+ private VectorTile.Feature resolveOverlappingFeatures(List overlappingFeatures) {
+ // 这里实现一个策略来决定哪个要素应该"获胜"
+ // 例如，可以选择面积最大的要素，或者根据某些属性进行优先级排序
+ // 为了示例，这里简单地选择第一个要素
+ VectorTile.Feature feature = overlappingFeatures.get(0);
+ return feature;
+ }
+}
diff --git a/planetiler-custommap/pom-xml-flattened b/planetiler-custommap/pom-xml-flattened
new file mode 100644
index 0000000000..63a14be5ae
--- /dev/null
+++ b/planetiler-custommap/pom-xml-flattened
@@ -0,0 +1,68 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ planetiler-custommap
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+
+
+ org.projectnessie.cel
+ cel-bom
+ 0.4.5
+ pom
+ import
+
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+
+
+ org.commonmark
+ commonmark
+
+
+ org.projectnessie.cel
+ cel-tools
+ 0.4.5
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+ test-jar
+ test
+
+
+
+
+
+ io.github.zlika
+ reproducible-build-maven-plugin
+
+
+ maven-deploy-plugin
+
+ true
+
+
+
+
+
diff --git a/planetiler-dist/pom-xml-flattened b/planetiler-dist/pom-xml-flattened
new file mode 100644
index 0000000000..3ca3069aa6
--- /dev/null
+++ b/planetiler-dist/pom-xml-flattened
@@ -0,0 +1,168 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ planetiler-dist
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+ ghcr.io/onthegomap/planetiler:${image.version}
+ 17
+ com.onthegomap.planetiler.Main
+ ${project.version}
+ 17
+ linux
+ package
+ amd64
+
+
+
+ com.onthegomap.planetiler
+ planetiler-benchmarks
+ ${project.parent.version}
+
+
+ org.openmaptiles
+ planetiler-openmaptiles
+ ${project.parent.version}
+
+
+ com.onthegomap.planetiler
+ planetiler-custommap
+ ${project.parent.version}
+
+
+ com.onthegomap.planetiler
+ planetiler-examples
+ ${project.parent.version}
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+ sources
+
+
+ org.locationtech.jts
+ jts-core
+ ${jts.version}
+ sources
+
+
+
+
+
+ com.google.cloud.tools
+ jib-maven-plugin
+
+ false
+
+ eclipse-temurin:21-jre
+
+
+ ${jib.platform-arch}
+ ${jib.platform-os}
+
+
+
+
+ ${image}
+
+
+
+ https://github.com/onthegomap/planetiler
+
+ ${mainClass}
+ ${maven.build.timestamp}
+ ${maven.build.timestamp}
+
+
+
+
+ maven-assembly-plugin
+ 3.7.1
+
+
+ make-assembly
+ ${assembly-phase}
+
+ single
+
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.version}
+
+
+
+
+
+ true
+
+
+ ${mainClass}
+
+
+
+ with-deps
+
+ false
+
+
+
+ maven-deploy-plugin
+
+ true
+
+
+
+
+
+
+ skip-assembly
+
+ none
+
+
+
+ jib-multi-arch
+
+
+
+ com.google.cloud.tools
+ jib-maven-plugin
+
+
+
+
+ amd64
+ linux
+
+
+ arm64
+ linux
+
+
+
+
+
+
+
+
+
+
diff --git a/planetiler-examples/pom-xml-flattened b/planetiler-examples/pom-xml-flattened
new file mode 100644
index 0000000000..2efdccd4af
--- /dev/null
+++ b/planetiler-examples/pom-xml-flattened
@@ -0,0 +1,48 @@
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+
+ com.onthegomap.planetiler
+ planetiler-examples
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.parent.version}
+ test-jar
+ test
+
+
+
+
+
+ io.github.zlika
+ reproducible-build-maven-plugin
+
+
+ maven-deploy-plugin
+
+ true
+
+
+
+
+
diff --git a/pom-xml-flattened b/pom-xml-flattened
new file mode 100644
index 0000000000..ea5c5679c7
--- /dev/null
+++ b/pom-xml-flattened
@@ -0,0 +1,61 @@
+
+
+
+ 4.0.0
+
+ com.onthegomap.planetiler
+ planetiler-parent
+ 0.8.3
+ ./
+
+ org.openmaptiles
+ planetiler-openmaptiles
+ 0.8.3
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0.txt
+ repo
+
+
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.version}
+
+
+ org.yaml
+ snakeyaml
+ 2.2
+
+
+ org.commonmark
+ commonmark
+
+
+ com.onthegomap.planetiler
+ planetiler-core
+ ${project.version}
+ test-jar
+ test
+
+
+
+ planetiler-openmaptiles/src/main/java
+ planetiler-openmaptiles/src/test/java
+
+
+ io.github.zlika
+ reproducible-build-maven-plugin
+
+
+ maven-deploy-plugin
+
+ true
+
+
+
+
+