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());
}
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.ID.Substring(0, Math.Min(20, elementSet.ID.Length));
}
if (elementSetNumber == 1)
{
this.label9.Text = elementSet.ID.Substring(0, Math.Min(20, elementSet.ID.Length));
}
for (int index = 0; index < elementSet.ElementCount; index++)
{
if (((IElementSet) _elementSets[elementSetNumber]).ElementType == ElementType.XYPolygon)
{
XYPolygon xyPolygon = new XYPolygon();
for (int i = 0; i < elementSet.GetVertexCount(index); i++)
{
xyPolygon.Points.Add(new XYPoint(elementSet.GetXCoordinate(index,i), elementSet.GetYCoordinate(index,i)));
}
if (XYGeometryTools.IsPointInPolygon(x,y,xyPolygon))
{
elementID = elementSet.GetElementID(index);
elementIndex = index;
}
}
if (((IElementSet) _elementSets[elementSetNumber]).ElementType == ElementType.XYPolyLine)
{
XYPolyline xyPolyline = new XYPolyline();
for (int i = 0; i < elementSet.GetVertexCount(index); i++)
{
xyPolyline.Points.Add(new XYPoint(elementSet.GetXCoordinate(index,i), elementSet.GetYCoordinate(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);
}
}
}
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));
}
}
}
}
