public async Task <IActionResult> Show(
[FromRoute] string id
)
{
var cta = await Mongo.GetCallToAction(id);
if (cta == null)
{
Logger.LogInformation("Call to action {0} not found", id);
return(NotFound());
}
var filter = (await Mongo.GetCallToActionFilters(id)).FirstOrDefault();
if (filter == null)
{
Logger.LogError("Call to action {0} has no filter", filter);
return(NotFound());
}
// HACK: shows huge Geohash
var geohashBounds = Geohasher.GetBoundingBox(filter.CoveringGeohash[0].Substring(0, 1));
return(View("Show", new CallToActionViewModel {
Id = cta.Id.ToString(),
From = filter.TimeBegin,
To = filter.TimeEnd,
Description = cta.Description,
BoundingBox = geohashBounds,
PolygonCoordinates = filter.Geometry.ToRingArray()
}));
}
public void Should_Get_BoundingBox()
{
var hasher = new Geohasher();
var envelope = hasher.GetBoundingBox("u");
Assert.Equal(90, envelope.MaxX);
Assert.Equal(45, envelope.MaxY);
Assert.Equal(45, envelope.MinX);
Assert.Equal(0, envelope.MinY);
}
public async Task FullDump()
{
var lastAccess = await Mongo.GetLastDailyStats();
Response.Headers[HeaderNames.LastModified] = lastAccess.Date.ToUniversalTime().ToString("R");
Response.Headers[HeaderNames.ContentType] = "text/csv";
Response.StatusCode = (int)HttpStatusCode.OK;
await Response.WriteAsync("Date,TotalMinutesTracked,CentroidGeohash,CentroidLat,CentroidLong,GeohashBoxJSON,LocationCount,VehicleCount,EventCount,SampleCount,DiscardedSampleCount,BoundingBoxDiagonal,MinAtHome,MinAtWork,MinAtSchool,MinAtLocations,MinElsewhere" + Environment.NewLine);
var cursor = await Mongo.FetchAllDailyStats();
while (await cursor.MoveNextAsync())
{
foreach (var stat in cursor.Current)
{
var centroid = stat.CentroidHash ?? Geohasher.Encode(stat.Centroid.Coordinates.Latitude, stat.Centroid.Coordinates.Longitude, 5);
var bbox = Geohasher.GetBoundingBox(centroid);
var polygon = new Polygon(new LineString[] {
new LineString(new IPosition[] {
new Position(bbox[0], bbox[2]),
new Position(bbox[0], bbox[3]),
new Position(bbox[1], bbox[3]),
new Position(bbox[1], bbox[2]),
new Position(bbox[0], bbox[2])
})
});
await Response.WriteAsync(string.Join(",",
stat.Date.ToString("yyyy-MM-dd"),
stat.TotalMinutesTracked,
centroid,
stat.Centroid.Coordinates.Latitude.ToString("F5"),
stat.Centroid.Coordinates.Longitude.ToString("F5"),
"\"" + JsonConvert.SerializeObject(polygon).Replace("\"", "\"\"") + "\"",
stat.LocationCount,
stat.VehicleCount,
stat.EventCount,
stat.SampleCount,
stat.DiscardedSampleCount,
stat.BoundingBoxDiagonal.ToString("F2"),
stat.LocationTracking.MinutesAtHome,
stat.LocationTracking.MinutesAtWork,
stat.LocationTracking.MinutesAtSchool,
stat.LocationTracking.MinutesAtOtherKnownLocations,
stat.LocationTracking.MinutesElsewhere
) + Environment.NewLine);
}
}
}
public Polygon BoundingBox(string geohash)
{
var bb = hasher.GetBoundingBox(geohash);
var coordinates = new List <Coordinate>();
coordinates.Add(new Coordinate(bb[3], bb[0]));
coordinates.Add(new Coordinate(bb[3], bb[1]));
coordinates.Add(new Coordinate(bb[2], bb[1]));
coordinates.Add(new Coordinate(bb[2], bb[0]));
coordinates.Add(new Coordinate(bb[3], bb[0]));
var linearRing = new LinearRing(coordinates.ToArray());
var polygon = new Polygon(linearRing);
return(polygon);
}