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Draw large polygon sets as raster tiles (PolygonTiler) #17

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Merged
wf9a5m75 merged 2 commits into from
Nov 9, 2026
Merged

Draw large polygon sets as raster tiles (PolygonTiler) #17

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398fa0b
Draw large polygon sets as raster tiles (PolygonTiler)
wf9a5m75 Nov 7, 2026
df6981f
Merge remote-tracking branch 'origin/develop' into feat/polygon-tiling
wf9a5m75 Nov 9, 2026
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23 changes: 21 additions & 2 deletions src/main/java/com/mapconductor/tomtom/TomTomMapViewControllerRaster.kt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
package com.mapconductor.tomtom

import com.mapconductor.core.polygon.POLYGON_TILE_LAYER_ID
import com.mapconductor.core.polygon.PolygonTiler
import com.mapconductor.core.raster.RasterLayerSource
import com.mapconductor.core.raster.RasterLayerState
import com.mapconductor.tomtom.marker.MarkerTileRasterLayerCallback
Expand Down Expand Up @@ -46,6 +48,18 @@ fun TomTomMapViewController.setupMarkerTileRaster(
upsertRasterLayer(TomTomMapViewController.MARKER_RASTER_ID, src.template, 1.0)
},
)
// Many polygons are drawn as raster tiles, composed into the style like the marker tiles.
// Not a public layer, so the app's RasterLayer composition never removes it.
polygonController.tiler =
PolygonTiler().apply {
onTemplate = { template, tileSize ->
if (template != null) {
upsertRasterLayer(POLYGON_TILE_LAYER_ID, template, 1.0, tileSize, null, null)
} else {
removeRasterLayer(POLYGON_TILE_LAYER_ID)
}
}
}
}

internal suspend fun TomTomMapViewController.applyPublicRasterLayer(state: RasterLayerState) {
Expand Down Expand Up @@ -97,13 +111,17 @@ internal suspend fun TomTomMapViewController.applyComposedStyle() {
composedStyleToggle = composedStyleToggle xor 1
val outFile = File(cacheDir, "tomtom_composed_style_$composedStyleToggle.json")
// アプリのラスターはラスターの帯（SDK のオーバーレイの下）、マーカーのタイルはマーカーの帯（最前面）。
val (markerTiles, appRasters) =
// ポリゴンのタイルはアプリのラスターのすぐ上（SDK のオーバーレイの下）。ポリゴンの帯は
// GroundImage の上だが、TomTom の GroundImage はネイティブの Polygon（SDK のオーバーレイ）で、
// スタイルの層をその間へは入れられない。サークル・ポリライン・マーカーの下は守れる。
val (markerTiles, others) =
composedRasterLayers.values.partition { it.id == TomTomMapViewController.MARKER_RASTER_ID }
val (polygonTiles, appRasters) = others.partition { it.id == POLYGON_TILE_LAYER_ID }
val uri =
TomTomStyleComposer.composeStackedRasterStyle(
apiKey = apiKey,
cacheDir = cacheDir,
belowOverlays = appRasters.sortedBy { composedRasterZIndex[it.id] ?: 0 },
belowOverlays = appRasters.sortedBy { composedRasterZIndex[it.id] ?: 0 } + polygonTiles,
aboveOverlays = markerTiles,
outFile = outFile,
withoutBasemap = withoutBasemap,
Expand Down Expand Up @@ -146,3 +164,4 @@ internal fun TomTomMapViewController.styleLoadingCallback(tag: String) =
android.util.Log.e("TomTomRaster", "loadStyle failed ($tag): $failure")
}
}

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