public void GetLength()
{
XYPolyline xyPolyline = new XYPolyline();
xyPolyline.Points.Add(new XYPoint(6, 2));
xyPolyline.Points.Add(new XYPoint(2, 2));
xyPolyline.Points.Add(new XYPoint(8, 2));
xyPolyline.Points.Add(new XYPoint(8, 4));
xyPolyline.Points.Add(new XYPoint(5, 4));
xyPolyline.Points.Add(new XYPoint(9, 7));
Assert.AreEqual((double)20, xyPolyline.GetLength());
}
public void SaveToShape(string ShapeFileName)
{
using (ShapeWriter sw = new ShapeWriter(ShapeFileName))
{
DataTable dt = new DataTable();
dt.Columns.Add("LinkID", typeof(string));
dt.Columns.Add("FromNode", typeof(string));
dt.Columns.Add("ToNode", typeof(string));
dt.Columns.Add("SpecifiedLength", typeof(double));
foreach (var b in Links.Values)
{
GeoRefData grf = new GeoRefData();
var l = new XYPolyline();
l.Points.Add(new XYPoint(b.UpstreamNode.pfsnode.X, b.UpstreamNode.pfsnode.Y));
l.Points.Add(new XYPoint(b.DownstreamNode.pfsnode.X, b.DownstreamNode.pfsnode.Y));
grf.Geometry = l;
grf.Data = dt.NewRow();
grf.Data[0] = b.pfslink.LinkID;
grf.Data[1] = b.pfslink.FromNode;
grf.Data[2] = b.pfslink.ToNode;
grf.Data[3] = b.pfslink.SpecifiedLength;
sw.Write(grf);
}
}
if (Branches != null && Branches.Count > 0)
{
using (ShapeWriter sw = new ShapeWriter(Path.Combine(Path.GetDirectoryName(ShapeFileName), Path.GetFileNameWithoutExtension(ShapeFileName) + "_branches.shp")))
{
DataTable dt = new DataTable();
dt.Columns.Add("Name", typeof(string));
dt.Columns.Add("Length", typeof(double));
foreach (var b in Branches)
{
var line = new XYPolyline();
line.Points.AddRange(b.Links.Select(p => p.UpstreamNode.Location));
line.Points.Add(b.Links.Last().DownstreamNode.Location);
GeoRefData grf = new GeoRefData();
grf.Geometry = line;
grf.Data = dt.NewRow();
grf.Data[0] = b.Name;
grf.Data[1] = line.GetLength();
sw.Write(grf);
}
}
}
}
private void panelViewer_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
// write x and y coordinates
double x = ((e.X - _margin) / _scale) + _minX;
double y = _minY - (e.Y + _margin - panelViewer.ClientSize.Height) / _scale;
if (_scale != double.MaxValue)
{
this.label3.Text = "(" + x.ToString("F3") + ", " + y.ToString("F3") + ")";
}
else
{
this.label3.Text = "";
}
// write elementSet ID and element index
this.label4.Text = " ";
this.label7.Text = " ";
this.label8.Text = " ";
this.label9.Text = " ";
this.label10.Text = " ";
this.label11.Text = " ";
for (int elementSetNumber = 0; elementSetNumber < this._elementSets.Count; elementSetNumber++)
{
string elementID = " ";
int elementIndex = -9;
double distance = 10e30;
IElementSet elementSet = (IElementSet)_elementSets[elementSetNumber];
if (elementSetNumber == 0)
{
this.label7.Text = elementSet.Caption.Substring(0, Math.Min(20, elementSet.Caption.Length));
}
if (elementSetNumber == 1)
{
this.label9.Text = elementSet.Caption.Substring(0, Math.Min(20, elementSet.Caption.Length));
}
for (int index = 0; index < elementSet.ElementCount; index++)
{
if (((IElementSet)_elementSets[elementSetNumber]).ElementType == ElementType.Polygon)
{
XYPolygon xyPolygon = new XYPolygon();
for (int i = 0; i < elementSet.GetVertexCount(index); i++)
{
xyPolygon.Points.Add(new XYPoint(elementSet.GetVertexXCoordinate(index, i), elementSet.GetVertexYCoordinate(index, i)));
}
if (XYGeometryTools.IsPointInPolygon(x, y, xyPolygon))
{
elementID = elementSet.GetElementId(index).Id;
elementIndex = index;
}
}
if (((IElementSet)_elementSets[elementSetNumber]).ElementType == ElementType.PolyLine)
{
XYPolyline xyPolyline = new XYPolyline();
for (int i = 0; i < elementSet.GetVertexCount(index); i++)
{
xyPolyline.Points.Add(new XYPoint(elementSet.GetVertexXCoordinate(index, i), elementSet.GetVertexYCoordinate(index, i)));
}
double xx = XYGeometryTools.CalculatePolylineToPointDistance(xyPolyline, new XYPoint(x, y));
if (xx < distance)
{
distance = xx;
if (xx < 0.3 * xyPolyline.GetLength())
{
elementIndex = index;
elementID = elementSet.GetElementId(index).Id;
}
}
}
if (elementSetNumber == 0 && elementIndex >= 0)
{
this.label4.Text = "Index: " + elementIndex.ToString();
this.label8.Text = "ID: " + elementID.Substring(0, Math.Min(17, elementID.Length));
}
if (elementSetNumber == 1 && elementIndex >= 0)
{
this.label10.Text = "Index: " + elementIndex.ToString();
this.label11.Text = "ID: " + elementID.Substring(0, Math.Min(17, elementID.Length));
}
}
}
}