public async Task ElevationService_SinglePointMapZenTest()
{
var client = new HttpClient();
var testData = GrandCanyonPointsWithMapZenElevations();
foreach (var loopTests in testData)
{
var result = await ElevationService.OpenTopoMapZenElevation(client, loopTests.Latitude,
loopTests.Longitude, DebugTrackers.DebugProgressTracker());
Assert.NotNull(result, $"Null result from {loopTests.Name}");
Assert.AreEqual(loopTests.RoundedElevationInMeters, Math.Round(result.Value, 2), $"{loopTests.Name}");
}
}
public async Task Line_SanPedroTwoTrackFile()
{
var testFile = new FileInfo(Path.Combine(Directory.GetCurrentDirectory(), "TestMedia",
"TwoTrackGpxNearTheSanPedro.gpx"));
Assert.True(testFile.Exists, "Test File Found");
var tracks = await SpatialHelpers.TracksFromGpxFile(testFile, DebugTrackers.DebugProgressTracker());
Assert.AreEqual(2, tracks.Count, "Should find 2 tracks");
Assert.True(tracks.All(x => !string.IsNullOrWhiteSpace(x.description)),
"Found Tracks with Blank Description?");
var shortTrack = tracks.OrderBy(x => x.track.Count).First().track;
Assert.AreEqual(214, shortTrack.Count, "Unexpected Point Count");
var preElevationReplacementStats = SpatialHelpers.LineStatsInImperialFromCoordinateList(shortTrack);
Assert.IsTrue(preElevationReplacementStats.Length.IsApproximatelyEqualTo(2.8, .05),
$"ExpertGPS Length 2.79, Measured {preElevationReplacementStats.Length}");
Assert.IsTrue(preElevationReplacementStats.ElevationClimb.IsApproximatelyEqualTo(158, 1),
$"ExpertGPS Climb 158.4, Measured {preElevationReplacementStats.ElevationClimb}");
Assert.IsTrue(preElevationReplacementStats.ElevationDescent.IsApproximatelyEqualTo(285, 1),
$"ExpertGPS Descent 285.6, Measured {preElevationReplacementStats.ElevationDescent}");
Assert.IsTrue(preElevationReplacementStats.MinimumElevation.IsApproximatelyEqualTo(3795, 1),
$"ExpertGPS Min Elevation 3795.25, Measured {preElevationReplacementStats.MinimumElevation}");
Assert.IsTrue(preElevationReplacementStats.MaximumElevation.IsApproximatelyEqualTo(3944, 1),
$"ExpertGPS Max Elevation 3944.76, Measured {preElevationReplacementStats.MaximumElevation}");
await ElevationService.OpenTopoMapZenElevation(new HttpClient(), shortTrack,
DebugTrackers.DebugProgressTracker());
Assert.True(shortTrack.All(x => x.Z > 0), "After Elevation replacement some 0 values found");
var postElevationReplacementStats = SpatialHelpers.LineStatsInImperialFromCoordinateList(shortTrack);
Assert.IsTrue(postElevationReplacementStats.Length.IsApproximatelyEqualTo(2.8, .05),
$"ExpertGPS Length 2.79, Measured {preElevationReplacementStats.Length}");
Assert.IsTrue(postElevationReplacementStats.ElevationClimb.IsApproximatelyEqualTo(36.08, 1),
$"Expected 36.08, Measured {preElevationReplacementStats.ElevationClimb}");
Assert.IsTrue(postElevationReplacementStats.ElevationDescent.IsApproximatelyEqualTo(187, 1),
$"Expected 187, Measured {preElevationReplacementStats.ElevationDescent}");
Assert.IsTrue(postElevationReplacementStats.MinimumElevation.IsApproximatelyEqualTo(3891.07, 1),
$"Expected 3891, Measured {preElevationReplacementStats.MinimumElevation}");
Assert.IsTrue(postElevationReplacementStats.MaximumElevation.IsApproximatelyEqualTo(4041.99, 1),
$"Expected 4041, Measured {preElevationReplacementStats.MaximumElevation}");
}
public async Task ElevationService_MultiPointMapZenTest()
{
var client = new HttpClient();
var testData = GrandCanyonPointsWithMapZenElevations()
.Select(x => new CoordinateZ(x.Longitude, x.Latitude, 0)).ToList();
await ElevationService.OpenTopoMapZenElevation(client, testData, DebugTrackers.DebugProgressTracker());
Assert.IsTrue(testData.All(x => x.Z > 0), "Not all point have an elevation greater than zero.");
var referenceData = GrandCanyonPointsWithMapZenElevations();
foreach (var loopTestData in testData)
{
var referenceItem =
referenceData.Single(x => x.Latitude == loopTestData.Y && x.Longitude == loopTestData.X);
Assert.AreEqual(Math.Round(referenceItem.RoundedElevationInMeters, 2), Math.Round(loopTestData.Z, 2),
$"{referenceItem.Name} didn't match expected");
}
}
public static async Task <string> GeoJsonWithLineStringFromCoordinateList(List <CoordinateZ> pointList,
bool replaceElevations, IProgress <string> progress)
{
if (replaceElevations)
{
await ElevationService.OpenTopoMapZenElevation(new HttpClient(), pointList, progress);
}
// ReSharper disable once CoVariantArrayConversion It appears from testing that a linestring will reflect CoordinateZ
var newLineString = new LineString(pointList.ToArray());
var newFeature = new Feature(newLineString, new AttributesTable());
var featureCollection = new FeatureCollection {
newFeature
};
var serializer = GeoJsonSerializer.Create(Wgs84GeometryFactory(), 3);
await using var stringWriter = new StringWriter();
using var jsonWriter = new JsonTextWriter(stringWriter);
serializer.Serialize(jsonWriter, featureCollection);
return(stringWriter.ToString());
}
