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Draw large polygon sets as raster tiles (PolygonTiler) #27

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Merged
wf9a5m75 merged 3 commits into from
Nov 9, 2026
Merged

Draw large polygon sets as raster tiles (PolygonTiler) #27

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28e3ada
Draw large polygon sets as raster tiles (PolygonTiler)
wf9a5m75 Nov 7, 2026
0e7fc91
Merge remote-tracking branch 'origin/develop' into feat/polygon-tiling
wf9a5m75 Nov 9, 2026
1d62660
Stack the polygon tiles at the bottom of the polygon band
wf9a5m75 Nov 9, 2026
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16 changes: 16 additions & 0 deletions src/main/java/com/mapconductor/googlemaps/GoogleMapViewController.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@ import com.mapconductor.core.marker.StrategyMarkerController
import com.mapconductor.core.marker.dispatchGeoMarkerClick
import com.mapconductor.core.marker.dispatchNativeMarkerClick
import com.mapconductor.core.polygon.OnPolygonEventHandler
import com.mapconductor.core.polygon.POLYGON_TILE_LAYER_ID
import com.mapconductor.core.polygon.PolygonTiler
import com.mapconductor.core.polygon.polygonTileRasterLayerState
import com.mapconductor.core.polyline.OnPolylineEventHandler
import com.mapconductor.core.polyline.PolylineState
import com.mapconductor.googlemaps.circle.GoogleMapCircleController
Expand Down Expand Up @@ -96,6 +99,19 @@ class GoogleMapViewController internal constructor(
markerTileLayers.forEach { entity -> rasterLayerController.removeById(entity.state.id) }
}
}

// Many polygons are drawn as raster tiles, shown through the same RasterLayer
// controller as the marker tiles (upsert / removeById, never the app's layers).
polygonController.tiler =
PolygonTiler().apply {
onTemplate = { template, tileSize ->
if (template != null) {
rasterLayerController.upsert(polygonTileRasterLayerState(template, tileSize))
} else {
rasterLayerController.removeById(POLYGON_TILE_LAYER_ID)
}
}
}
}

override fun moveCamera(position: MapCameraPosition) = handleMoveCamera(position)
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4 changes: 4 additions & 0 deletions src/main/java/com/mapconductor/googlemaps/raster/GoogleMapRasterLayerOverlayRenderer.kt
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Expand Up @@ -7,6 +7,7 @@ import com.google.android.gms.maps.model.TileProvider
import com.google.android.gms.maps.model.TileProvider.NO_TILE
import com.mapconductor.core.controller.OverlayKind
import com.mapconductor.core.controller.OverlayStacking
import com.mapconductor.core.polygon.POLYGON_TILE_LAYER_ID
import com.mapconductor.core.raster.RasterLayerEntityInterface
import com.mapconductor.core.raster.RasterLayerOverlayRendererInterface
import com.mapconductor.core.raster.RasterLayerSource
Expand Down Expand Up @@ -100,6 +101,9 @@ class GoogleMapRasterLayerOverlayRenderer(
if (isMarkerTileRaster(state)) {
// マーカーのタイルはマーカーの帯（ポリラインより上）。
OverlayStacking.flatZIndex(OverlayKind.Marker, Int.MIN_VALUE)
} else if (state.id == POLYGON_TILE_LAYER_ID) {
// ポリゴンのタイルはポリゴンの帯の一番下（GroundImage より上、ネイティブのポリゴンより下）。
OverlayStacking.flatZIndex(OverlayKind.Polygon, Int.MIN_VALUE)
} else {
OverlayStacking.flatZIndex(OverlayKind.RasterLayer, state.zIndex)
}
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