public Image CropReceiptSection(Image source, Models.BoundingBox section)
{
var bitmap = new Bitmap(source);
var rectangle = ConvertToRectangle(section, source.Width, source.Height);
var croppedImage = bitmap.Clone(rectangle, bitmap.PixelFormat);
return(croppedImage);
}
private Rectangle ConvertToRectangle(Models.BoundingBox source, int imageWidth, int imageHeight)
{
return(new Rectangle
{
X = (int)(source.Left * imageWidth),
Y = (int)(source.Top * imageHeight),
Width = (int)(source.Width * imageWidth),
Height = (int)(source.Height * imageHeight)
});
}
public FeatureCollection GetStates(Models.BoundingBox bbox, int zoom)
{
var features = new List <Feature>();
// HACK! limit West to date line
var inbox = bbox;
if (bbox.West > bbox.East)
{
inbox = new BoundingBox()
{
North = bbox.North,
South = bbox.South,
West = -179.999,
East = bbox.East
};
}
var box = GeoJsonConvert.GeometryFromBoundingBox(inbox);
using (var conn = GetOpenConnection())
{
using (var cmd = new SqlCommand(@"GetStatesWithinBox", conn))
{
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@Bounds", System.Data.SqlDbType.Udt)
{
UdtTypeName = "geometry",
Value = box
});
cmd.Parameters.AddWithValue("@Zoom", zoom);
using (var rdr = cmd.ExecuteReader())
{
while (rdr.Read())
{
var border = (SqlGeometry)rdr["Border"];
var properties = new Dictionary <string, string>();
properties.Add("name", (String)rdr["Name"]);
features.Add(new Feature()
{
geometry = GeoJsonConvert.GeoJsonMultiPolygonFromGeometry(border),
properties = properties
});
}
}
}
}
var fc = new FeatureCollection()
{
features = features.ToArray()
};
return(fc);
}
public static Models.BoundingBox ConvertBingBoundingBox(BoundingBoxRequest.BoundingBox bbox)
{
var bb = new Models.BoundingBox()
{
North = bbox.center.latitude + (bbox.height / 2),
South = bbox.center.latitude - (bbox.height / 2),
West = bbox.center.longitude - (bbox.width / 2),
East = bbox.center.longitude + (bbox.width / 2)
};
return(bb);
}
/// <summary>
/// Build an SqlGeometry Polygon from a bounding box.
/// </summary>
/// <param name="box">Bounding Box</param>
/// <returns>SqlGeometry Polygon</returns>
public static SqlGeometry GeometryFromBoundingBox(Models.BoundingBox box, int srid = 4326)
{
var geob = new SqlGeometryBuilder();
geob.SetSrid(srid);
geob.BeginGeometry(OpenGisGeometryType.Polygon);
geob.BeginFigure(box.minX, box.maxY);
geob.AddLine(box.minX, box.minY);
geob.AddLine(box.maxX, box.minY);
geob.AddLine(box.maxX, box.maxY);
geob.AddLine(box.minX, box.maxY);
geob.EndFigure();
geob.EndGeometry();
var geom = geob.ConstructedGeometry;
//Debug.WriteLine(geog.AsGml().Value);
return(geom);
}
/// <summary>
/// Build an SqlGeography Polygon from a bounding box.
/// </summary>
/// <param name="box">Bounding Box</param>
/// <returns>SqlGeography Polygon</returns>
public static SqlGeography GeographyFromBoundingBox(Models.BoundingBox box)
{
var geob = new SqlGeographyBuilder();
geob.SetSrid(SRID);
geob.BeginGeography(OpenGisGeographyType.Polygon);
geob.BeginFigure(box.South, box.West);
geob.AddLine(box.South, box.East);
geob.AddLine(box.North, box.East);
geob.AddLine(box.North, box.West);
geob.AddLine(box.South, box.West);
geob.EndFigure();
geob.EndGeography();
var geog = geob.ConstructedGeography;
//Trace.WriteLine("GeographyFromBoundingBox : " + geog.AsGml().Value);
return(geog);
}
