public static void GenerateParkingRegionShape(List <MBR> mbrs, string fileName, bool addDev = false)
{
String rootDir = Path.GetDirectoryName(fileName);
String shapeFileName = Path.GetFileNameWithoutExtension(fileName);
var transform = new Wgs2MgsTransform();
// Read txt
ShapeType shapeType = ShapeType.PolyLine;
DbfFieldDesc[] shpFields = new DbfFieldDesc[]
{
new DbfFieldDesc {
FieldName = "ID", FieldType = DbfFieldType.Character, FieldLength = 14, RecordOffset = 0
},
//new DbfFieldDesc { FieldName = "Name", FieldType = DbfFieldType.Character, FieldLength = 18, RecordOffset = 14 },
};
ShapeFileWriter sfw = ShapeFileWriter.CreateWriter(rootDir, shapeFileName, shapeType, shpFields);
foreach (var mbr in mbrs)
{
String[] fieldData = new string[] { " " };
List <PointF> vertices = new List <PointF>();
GeoPoint[] points = new GeoPoint[] { mbr.TopLeft, mbr.TopRight, mbr.BottomRight, mbr.BottomLeft, mbr.TopLeft };
for (int i = 0; i < points.Length; ++i)
{
var point = points[i];
if (addDev)
{
point = transform.Transform(point);
}
vertices.Add(point.ToPointF());
}
sfw.AddRecord(vertices.ToArray(), vertices.Count, fieldData);
}
sfw.Close();
}
private static void setParkingPointsAsShapeFile(List <GeoPoint> points, string fileName, bool addDev = false)
{
//写入文件
String rootDir = Path.GetDirectoryName(fileName);
String shapeFileName = Path.GetFileNameWithoutExtension(fileName);
ShapeType shapeType = ShapeType.Point;
var transform = new Wgs2MgsTransform();
DbfFieldDesc[] fields = new DbfFieldDesc[]
{
new DbfFieldDesc {
FieldName = "ID", FieldType = DbfFieldType.Character, FieldLength = 14, RecordOffset = 0
},
//new DbfFieldDesc { FieldName = "Name", FieldType = DbfFieldType.Character, FieldLength = 18, RecordOffset = 14 },
};
ShapeFileWriter sfw = ShapeFileWriter.CreateWriter(rootDir, shapeFileName, shapeType, fields);
foreach (var p in points)
{
String[] fieldData = new string[] { " " };
List <PointF> vertices = new List <PointF>();
GeoPoint point = p;
if (addDev)
{
point = transform.Transform(point);
}
float lng = (float)(point.Lng);
float lat = (float)(point.Lat);
vertices.Add(new PointF(lng, lat));
sfw.AddRecord(vertices.ToArray(), vertices.Count, fieldData);
}
sfw.Close();
}
private static void setAsShapeFile(Dictionary <long, HashSet <string> > edgeDevicesDict, Graph graph, string fileName, bool addDev = false)
{
//写入文件
String rootDir = Path.GetDirectoryName(fileName);
String shapeFileName = Path.GetFileNameWithoutExtension(fileName);
ShapeType shapeType = ShapeType.PolyLine;
var transform = new Wgs2MgsTransform();
int threshold = 1;
DbfFieldDesc[] fields = new DbfFieldDesc[]
{
new DbfFieldDesc {
FieldName = "ID", FieldType = DbfFieldType.Character, FieldLength = 14, RecordOffset = 0
},
//new DbfFieldDesc { FieldName = "Name", FieldType = DbfFieldType.Character, FieldLength = 18, RecordOffset = 14 },
};
ShapeFileWriter sfw = ShapeFileWriter.CreateWriter(rootDir, shapeFileName, shapeType, fields);
foreach (var p in edgeDevicesDict)
//foreach (Edge e in Edges.Values)
{
if (edgeDevicesDict.Count < threshold)
{
continue;
}
Edge e = graph.Edges[p.Key];
String id = e.ID.ToString();
if (e.ID % 2 == 0)
{
continue;
}
String[] fieldData = new string[] { "" };
List <PointF> vertices = new List <PointF>();
for (int i = 0; i < e.Geo.Points.Count; i++)
{
GeoPoint point = e.Geo.Points[i];
if (addDev)
{
point = transform.Transform(point);
}
float lng = (float)(point.Lng);
float lat = (float)(point.Lat);
vertices.Add(new PointF(lng, lat));
}
sfw.AddRecord(vertices.ToArray(), vertices.Count, fieldData);
}
sfw.Close();
}
public static void GenerateParkingRegionShapeFromFile(string fileName, bool addDev = false)
{
string txtFileName = Path.Combine(Constants.DATA_DIR, "beijingTrjPart", "stat",
"parkingRegion.txt");
//string fileName = Path.Combine(Constants.DATA_DIR, "beijingTrjPart", "shp", "parkingRegion.shp");
String rootDir = Path.GetDirectoryName(fileName);
String shapeFileName = Path.GetFileNameWithoutExtension(fileName);
var transform = new Wgs2MgsTransform();
// Read txt
string[] lines = File.ReadAllLines(txtFileName);
ShapeType shapeType = ShapeType.PolyLine;
DbfFieldDesc[] shpFields = new DbfFieldDesc[]
{
new DbfFieldDesc {
FieldName = "ID", FieldType = DbfFieldType.Character, FieldLength = 14, RecordOffset = 0
},
//new DbfFieldDesc { FieldName = "Name", FieldType = DbfFieldType.Character, FieldLength = 18, RecordOffset = 14 },
};
ShapeFileWriter sfw = ShapeFileWriter.CreateWriter(rootDir, shapeFileName, shapeType, shpFields);
foreach (var line in lines)
{
var fields = line.Split(new char[] { ',' });
if (fields.Length % 2 != 0)
{
continue;
}
String[] fieldData = new string[] { " " };
List <PointF> vertices = new List <PointF>();
for (int i = 0; i < fields.Length; i += 2)
{
float lat = float.Parse(fields[i]);
float lng = float.Parse(fields[i + 1]);
GeoPoint point = new GeoPoint(lat, lng);
if (addDev)
{
point = transform.Transform(point);
}
vertices.Add(new PointF((float)point.Lng, (float)point.Lat));
}
sfw.AddRecord(vertices.ToArray(), vertices.Count, fieldData);
}
sfw.Close();
}
private void miOpenTrj_Click(object sender, EventArgs e)
{
//OpenFileDialog f = new OpenFileDialog();
OpenFileDialog f = new OpenFileDialog();
//f.InitialDirectory = Directory.GetCurrentDirectory();
f.FileName = shpFileName;
f.Filter = "Trajectory Files (*.trj;*.txt)|*.trj;*.txt|All Files (*.*)|*.*";
if (f.ShowDialog() == DialogResult.OK)
{
// outputFileDir = f.SelectedPath + "\\";
//MessageBox.Show(f.SelectedPath);
//Trajectory trj = new Trajectory(f.FileName, 1, graph);
Trajectory trj = new Trajectory(f.FileName, 1);
var transform = new Wgs2MgsTransform();
drawTrj(trj);
trj = transform.Transform(trj);
drawTrj(trj);
MM mm = new MM(graph);
//var newTrj = mm.match(trj);
trj = mm.match(trj);
drawPath(trj.Path.Edges);
}
}