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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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37e0b3c
Draw large polygon sets as raster tiles (PolygonTiler)
wf9a5m75 Nov 7, 2026
3e67412
Merge develop into feat/polygon-tiling
wf9a5m75 Nov 9, 2026
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14 changes: 13 additions & 1 deletion Sources/MapConductorForMapKit/MapKitMapView.swift
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import Combine
import MapKit
import MapConductorCore
@_spi(MapConductorDriver) import MapConductorCore
import QuartzCore
import SwiftUI
import UIKit
Expand Down Expand Up @@ -269,6 +269,17 @@ private struct MapKitMapViewRepresentable: UIViewRepresentable {

let rasterLayerController = MapKitRasterLayerController(mapView: mapView)
self.rasterLayerController = rasterLayerController
// Many polygons are drawn into raster tiles and shown as one raster
// layer; taps still resolve against the original shapes.
let polygonTiler = PolygonTiler()
polygonTiler.onTemplate = { [weak rasterLayerController] template, tileSize in
if let template {
await rasterLayerController?.upsert(state: PolygonTiler.rasterLayerState(template: template, tileSize: tileSize))
} else {
await rasterLayerController?.removeById(PolygonTiler.layerId)
}
}
polygonController.tiler = polygonTiler

let groundImageController = MapKitGroundImageController(mapView: mapView)
self.groundImageController = groundImageController
Expand Down Expand Up @@ -382,6 +393,7 @@ private struct MapKitMapViewRepresentable: UIViewRepresentable {
overlayScope?.circleCollector.sync(content.circles.map { $0.state })
overlayScope?.polylineCollector.sync(content.polylines.map { $0.state })
overlayScope?.polygonCollector.sync(content.polygons.map { $0.state })
polygonController?.tiler?.refreshIfServerMoved()
for handler in content.polygonSyncHandlers {
let hullController = hullPolygonController
handler.bindPolygonSync { [weak hullController] states in
Expand Down
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