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switcher dataset explorer

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lat lon -> geopoint
correct location for gps if small keypoints number
This commit is contained in:
Alex Bezdieniezhnykh
2025-06-23 20:47:28 +03:00
parent ad1e39268c
commit f58dd3d04f
31 changed files with 469 additions and 192 deletions
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Azaion.Common/Services/SatelliteDownloader.cs
+15 -8
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@@ -20,7 +20,7 @@ namespace Azaion.Common.Services;
public interface ISatelliteDownloader
{
Task GetTiles(double latitude, double longitude, double radiusM, int zoomLevel, CancellationToken token = default);
Task GetTiles(GeoPoint geoPoint, double radiusM, int zoomLevel, CancellationToken token = default);
}
public class SatelliteDownloader(
@@ -45,21 +45,28 @@ public class SatelliteDownloader(
private readonly string _apiKey = mapConfig.Value.ApiKey;
private readonly string _satDirectory = Path.Combine(SecurityConstants.EXTERNAL_GPS_DENIED_FOLDER, directoriesConfig.Value.GpsSatDirectory);
public async Task GetTiles(double centerLat, double centerLon, double radiusM, int zoomLevel, CancellationToken token = default)
public async Task GetTiles(GeoPoint centerGeoPoint, double radiusM, int zoomLevel, CancellationToken token = default)
{
await mediator.Publish(new SetStatusTextEvent($"Завантажується супутникові зображення по координатах: центр: lat: {centerLat:F3} lon: {centerLon:F3} квадрат {radiusM}м * {radiusM}м, zoom: {zoomLevel}..."), token);
await mediator.Publish(new SetStatusTextEvent(
$"Завантажуються супутникові зображення по координатах: центр: " +
$"lat: {centerGeoPoint.Lat:F3} lon: {centerGeoPoint.Lon:F3} квадрат {radiusM}м * {radiusM}м, zoom: {zoomLevel}..."), token);
//empty Satellite directory
if (Directory.Exists(_satDirectory))
Directory.Delete(_satDirectory, true);
Directory.CreateDirectory(_satDirectory);
var downloadTilesResult = await DownloadTiles(centerLat, centerLon, radiusM, zoomLevel, token);
var dtRes = await DownloadTiles(centerGeoPoint, radiusM, zoomLevel, token);
await mediator.Publish(new SetStatusTextEvent("Завершено! Склеюється в 1 зображення..."), token);
var image = ComposeTiles(downloadTilesResult.Tiles, token);
var image = ComposeTiles(dtRes.Tiles, token);
if (image == null)
return;
// Save big map. Uncomment when MapHandler with custom pick images would be ready
// var outputFilename = Path.Combine(_satDirectory,
// $"map_tl_{dtRes.LatMax:F6}_{dtRes.LonMin:F6}_br_{dtRes.LatMin:F6}_{dtRes.LonMax:F6}.tif"
// );
// await image.SaveAsTiffAsync(outputFilename, token);
await mediator.Publish(new SetStatusTextEvent("Розбиття на малі зображення для опрацювання..."), token);
await SplitToTiles(image, downloadTilesResult, token);
await SplitToTiles(image, dtRes, token);
}
private async Task SplitToTiles(Image<Rgba32> image, DownloadTilesResult bounds, CancellationToken token = default)
@@ -178,9 +185,9 @@ public class SatelliteDownloader(
}
}
private async Task<DownloadTilesResult> DownloadTiles(double centerLat, double centerLon, double radiusM, int zoomLevel, CancellationToken token = default)
private async Task<DownloadTilesResult> DownloadTiles(GeoPoint centerGeoPoint, double radiusM, int zoomLevel, CancellationToken token = default)
{
var (latMin, latMax, lonMin, lonMax) = GeoUtils.GetBoundingBox(centerLat, centerLon, radiusM);
var (latMin, latMax, lonMin, lonMax) = GeoUtils.GetBoundingBox(centerGeoPoint, radiusM);
var (xMin, yMin) = GeoUtils.WorldToTilePos(latMax, lonMin, zoomLevel); // Top-left corner
var (xMax, yMax) = GeoUtils.WorldToTilePos(latMin, lonMax, zoomLevel); // Bottom-right corner