internal void Run(string gpxFile, DEMDataSet dataSet, float Z_FACTOR = 2f, int outputSrid = Reprojection.SRID_PROJECTED_MERCATOR) { try { float paddingFactor = 2f; float ModelMaxUnits = 250f; float GpxLineWidthSTLUnits = 0.1f; Matrix4x4 stlTransformMatrix = Matrix4x4.CreateRotationX((float)Math.PI / 2f); string outputDir = Path.GetFullPath("."); //======================= /// Line strip from GPX /// // Get GPX points var segments = GpxImport.ReadGPX_Segments(gpxFile); var points = segments.SelectMany(seg => seg); var bbox = points.GetBoundingBox().ReprojectTo(4326, outputSrid); bbox = bbox.Pad(bbox.Width * paddingFactor, bbox.Height * paddingFactor, 0) .ReprojectTo(outputSrid, 4326); var gpxPointsElevated = _elevationService.GetPointsElevation(points, dataSet); HeightMap hMap = _elevationService.GetHeightMap(ref bbox, dataSet); hMap = hMap.ReprojectTo(4326, outputSrid) .ZScale(Z_FACTOR) .CenterOnOrigin() .FitInto(ModelMaxUnits) .BakeCoordinates(); // generate mesh ModelRoot model = _sharpGltfService.CreateTerrainMesh(hMap, GenOptions.BoxedBaseElevationMin, stlTransformMatrix); List <Attribution> attributions = new List <Attribution>(); attributions.Add(dataSet.Attribution); attributions.Add(new Attribution("Generator", "DEM Net Elevation API", "https://elevationapi.com")); _stlService.STLExport(model.LogicalMeshes[0].Primitives[0], Path.ChangeExtension(gpxFile, ".stl"), false, attributions); var bboxPoints = bbox.ReprojectTo(4326, outputSrid).CenterOnOrigin(); gpxPointsElevated = gpxPointsElevated.ReprojectTo(4326, outputSrid) .ZScale(Z_FACTOR) .CenterOnOrigin(bbox.ReprojectTo(4326, outputSrid)) .FitInto(bboxPoints, ModelMaxUnits) .ToList(); var gpxModel = _sharpGltfService.AddLine(null, "GPX", gpxPointsElevated, Vector4.One, GpxLineWidthSTLUnits, stlTransformMatrix); _stlService.STLExport(gpxModel.LogicalMeshes[0].Primitives[0], Path.ChangeExtension(gpxFile, ".gpx.stl"), false, attributions); } catch (Exception ex) { _logger.LogError(ex, ex.Message); } }
internal void Run() { try { string _gpxFile = Path.Combine("SampleData", "trail.gpx"); if (!File.Exists(_gpxFile)) { _logger.LogError($"Cannot run sample: {_gpxFile} is missing !"); } DEMDataSet _dataSet = DEMDataSet.SRTM_GL1; // Read GPX points var segments = GpxImport.ReadGPX_Segments(_gpxFile); var points = segments.SelectMany(seg => seg); // Retrieve elevation for each point on DEM var gpxPointsElevated = _elevationService.GetPointsElevation(points, _dataSet) .ToList(); _logger.LogInformation($"{gpxPointsElevated.Count} GPX points elevation calculated"); // Get metrics (stats) var metrics = gpxPointsElevated.ComputeMetrics(); _logger.LogInformation($"GPX points stats: {metrics}"); var gpxPointsSimplified = gpxPointsElevated.Simplify(50); _logger.LogInformation($"GPX track is reduced with 50m tolerance."); var metricsWithReducedPoints = gpxPointsSimplified.ComputeMetrics(); _logger.LogInformation($"GPX points stats after reduction: {metricsWithReducedPoints}"); var geoJson = ConvertLineElevationResultToGeoJson(gpxPointsSimplified); } catch (Exception ex) { _logger.LogError(ex, ex.Message); } }
internal void RunGPX(DEMDataSet largeDataSet, DEMDataSet localDataset) { try { string outputDir = Path.GetFullPath("."); string _gpxFile = Path.Combine("SampleData", "20191022-Puch-Pöllau.gpx"); string sensorLogFile = Path.Combine("SampleData", "20191023-Puch-Pöllau-sensorlog.json"); var sensorLog = SensorLog.FromJson(sensorLogFile); //sensorLog.Plot("sensorLog.png"); string balloonModel = Path.Combine("SampleData", "OE-SOE.glb"); float Z_FACTOR = 2f; float trailWidthMeters = 5f; ModelRoot balloon = ModelRoot.Load(balloonModel); //======================= /// Line strip from GPX /// // Get GPX points var segments = GpxImport.ReadGPX_Segments <GpxTrackPoint>(_gpxFile, p => p); var pointsGpx = segments.SelectMany(seg => seg); var geoPoints = pointsGpx.ToGeoPoints(); var model = _sharpGltfService.CreateNewModel(); //var largeMesh = GetMeshFromGpxTrack(outputDir, largeDataSet, geoPoints // , bboxScale: 5 // , zFactor: Z_FACTOR // , generateTIN: false // , tinPrecision: 500d // , drawGpxOnTexture: false // , ImageryProvider.OpenTopoMap); //meshes.Add(largeMesh); model = GetMeshFromGpxTrack(model, outputDir, localDataset, geoPoints , bboxScale: (1.3, 1.5) , zFactor: Z_FACTOR , generateTIN: false , tinPrecision: 50d , drawGpxOnTexture: true , ImageryProvider.EsriWorldImagery); var gpxPoints = geoPoints.ReprojectGeodeticToCartesian().ZScale(Z_FACTOR); model = _sharpGltfService.AddLine(model, gpxPoints, new Vector4(0, 1, 0, 0.5f), trailWidthMeters); // model export Console.WriteLine("GenerateModel..."); var node = model.LogicalNodes.First(); pointsGpx = pointsGpx.ReprojectGeodeticToCartesian().ZScale(Z_FACTOR); // animations node = CreateAnimationFromGpx("GPX", node, pointsGpx, 1f); node = CreateAnimationFromGpx("GPX x500", node, pointsGpx, 500f); var sceneBuilderBalloon = balloon.DefaultScene.ToSceneBuilder(); var sceneBuilderTerrain = model.DefaultScene.ToSceneBuilder(); //sceneBuilderBalloon. model.SaveGLB(Path.Combine(Directory.GetCurrentDirectory(), $"{GetType().Name}.glb")); } catch (Exception ex) { _logger.LogError(ex, ex.Message); } }
internal void Run(DEMDataSet dataSet, bool trackIn3D = true, bool generateTIN = false, int outputSrid = Reprojection.SRID_PROJECTED_LAMBERT_93) { try { string _gpxFile = Path.Combine("SampleData", "GPX", "lake-pleasant-camping.gpx"); bool withTexture = true; float Z_FACTOR = 1.8f; float Z_TRANSLATE_GPX_TRACK_METERS = 5; float trailWidthMeters = 5f; int skipGpxPointsEvery = 1; ImageryProvider provider = ImageryProvider.MapBoxSatellite; // new TileDebugProvider(null, maxDegreeOfParallelism: 1);// ImageryProvider.MapBoxSatellite; string outputDir = Path.GetFullPath("."); //======================= /// Line strip from GPX /// // Get GPX points var segments = GpxImport.ReadGPX_Segments(_gpxFile); var points = segments.SelectMany(seg => seg); var bbox = points.GetBoundingBox().Scale(1.1, 1.1).ReprojectTo(4326, dataSet.SRID); // DEBUG // Test case : ASTER GDEMv3 : 5.5 43.5 Z=315 // 303 307 308 // 309 *315* 317 // 314 321 324 //points = GenerateDebugTrailPointsGenerateDebugTrailPoints(5.003, 5.006, 43.995, 43.997, 0.0001, 0.001); //points = GenerateDebugTrailPointsGenerateDebugTrailPoints(5.4990, 5.501, 43.4990, 43.501, 0.0001, 0.001); //points = GenerateDebugTrailPointsGenerateDebugTrailPoints(5.49, 5.51, 43.49, 43.51, 0.0005, 0.001); //bbox = points.GetBoundingBox().Scale(1.3,1.3); IEnumerable <GeoPoint> gpxPointsElevated = _elevationService.GetPointsElevation(points, dataSet); // //======================= //======================= /// Height map (get dem elevation for bbox) /// HeightMap hMap = _elevationService.GetHeightMap(ref bbox, dataSet); // var refPoint = new GeoPoint(43.5, 5.5); // hMap = hMap.BakeCoordinates(); // var hMapRefPoint = hMap.Coordinates.OrderBy(c => c.DistanceSquaredTo(refPoint)).First(); // var gpxRefPoint = gpxPointsElevated.OrderBy(c => c.DistanceSquaredTo(refPoint)).First(); // hMapRefPoint.Elevation += 60; // gpxRefPoint.Elevation += 60; hMap = hMap.ReprojectTo(dataSet.SRID, outputSrid) //.CenterOnOrigin() .ZScale(Z_FACTOR) .BakeCoordinates(); // //======================= //======================= // Textures // PBRTexture pbrTexture = null; if (withTexture) { Console.WriteLine("Download image tiles..."); TileRange tiles = _imageryService.DownloadTiles(bbox, provider, 12); string fileName = Path.Combine(outputDir, "Texture.jpg"); Console.WriteLine("Construct texture..."); //TextureInfo texInfo = _imageryService.ConstructTextureWithGpxTrack(tiles, bbox, fileName, TextureImageFormat.image_jpeg, gpxPointsElevated, false); TextureInfo texInfo = _imageryService.ConstructTexture(tiles, bbox, fileName, TextureImageFormat.image_jpeg); // //======================= //======================= // Normal map Console.WriteLine("Height map..."); //float Z_FACTOR = 0.00002f; //hMap = hMap.CenterOnOrigin().ZScale(Z_FACTOR); //var normalMap = _imageryService.GenerateNormalMap(hMap, outputDir); //pbrTexture = PBRTexture.Create(texInfo, normalMap); pbrTexture = PBRTexture.Create(texInfo, null); //hMap = hMap.CenterOnOrigin(Z_FACTOR); // //======================= } //======================= // MESH 3D terrain Console.WriteLine("Height map..."); Console.WriteLine("GenerateTriangleMesh..."); //hMap = _elevationService.GetHeightMap(bbox, _dataSet); ModelRoot model = null; if (generateTIN) { model = TINGeneration.GenerateTIN(hMap, 10d, _sharpGltfService, pbrTexture, outputSrid); } else { //hMap = hMap.CenterOnOrigin().ZScale(Z_FACTOR); // generate mesh with texture model = _sharpGltfService.CreateTerrainMesh(hMap, pbrTexture); } if (trackIn3D) { // take 1 point evert nth gpxPointsElevated = gpxPointsElevated.Where((x, i) => (i + 1) % skipGpxPointsEvery == 0); gpxPointsElevated = gpxPointsElevated.ZTranslate(Z_TRANSLATE_GPX_TRACK_METERS) .ReprojectTo(dataSet.SRID, outputSrid) //.CenterOnOrigin() //.CenterOnOrigin(hMap.BoundingBox) .ZScale(Z_FACTOR); model = _sharpGltfService.AddLine(model, "GPX", gpxPointsElevated, VectorsExtensions.CreateColor(255, 0, 0, 128), trailWidthMeters); } // model export Console.WriteLine("GenerateModel..."); model.SaveGLB(Path.Combine(Directory.GetCurrentDirectory(), $"{GetType().Name} dst{dataSet.Name} TIN{generateTIN} Srid{outputSrid}.glb")); } catch (Exception ex) { _logger.LogError(ex, ex.Message); } }