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fluttermap_heatmap
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Heatmap plugin for flutter_map
Download README (.md)
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Download README
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README.md
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fluttermap_heatmap
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[](https://pub.dev/packages/flutter_map_heatmap) # Flutter Map Heatmap plugin A Simple heatmap plugin written for for [flutter_map](https://github.com/fleaflet/flutter_map) package. ## example  A full example can be found under the example project. ## Usage Add [`flutter_map`](https://github.com/fleaflet/flutter_map) and `flutter_map_heatmap` to your pubspec: ```yaml dependencies: flutter_map: ^6.0.0 flutter_map_heatmap: any # or the latest version on Pub latlong2: ^0.9.0 ``` Flutter heatmaps is implemented as a tile provider. Add it in your FlutterMap and configure it using `HeatMapOptions`. ```dart Widget build(BuildContext context) { return FlutterMap( options: new MapOptions(initialCenter: new LatLng(57.8827, -6.0400), initialZoom: 8.0), children: [ TileLayer( urlTemplate: "https://tile.openstreetmap.org/{z}/{x}/{y}.png"), if (data.isNotEmpty) HeatMapLayer( heatMapDataSource: InMemoryHeatMapDataSource(data: data), heatMapOptions: HeatMapOptions(gradient: this.gradients[this.index], minOpacity: 0.1), reset: _rebuildStream.stream, ) ], ); } ``` See the [`full example`](example/lib/main.dart) `InMemoryHeatMapDataSource` is provided out of the box but its easy to implement your own datasource provider by implementing `HeatMapDataSource` ## TODO - [ ] complete GriddedHeatMapDataSource for gridding the data - [ ] improve heatmaps at lower zoom levels by scaling the radius used during painting.
