public void GetElements()
{
Console.Write("Begin Get Elemtents Test...");
DbReader his = new DbReader();
IArgument[] arguments = new IArgument[1];
arguments[0] = new Argument("DbPath", @"..\data\cuahsi-his\demo.db", true, "Database");
his.Initialize(arguments);
for (int i = 0; i < his.OutputExchangeItemCount; ++i)
{
IElementSet es = his.GetOutputExchangeItem(i).ElementSet;
for (int j = 0; j < es.ElementCount; ++j)
{
Console.WriteLine(es.GetXCoordinate(j, 0).ToString() + ", " +
es.GetYCoordinate(j, 0).ToString());
}
}
Console.WriteLine("model description: " + his.ModelDescription);
}
public void GetElements()
{
Console.Write("Begin Get Elemtents Test...");
HydroLink his = new HydroLink();
IArgument[] arguments = new IArgument[1];
arguments[0] = new Argument("WaterMLdb", @"..\..\..\Data\db", true, "WaterML Database");
his.Initialize(arguments);
for (int i = 0; i < his.OutputExchangeItemCount; ++i)
{
IElementSet es = his.GetOutputExchangeItem(i).ElementSet;
for (int j = 0; j < es.ElementCount; ++j)
{
Console.WriteLine(es.GetXCoordinate(j, 0).ToString() + ", " +
es.GetYCoordinate(j, 0).ToString());
}
}
Console.WriteLine("model description: " + his.ModelDescription);
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="source">The element set to copy</param>
public ElementSet(IElementSet source)
{
_description = source.Description;
_id = source.ID;
_elementType = source.ElementType;
_spatialReference = source.SpatialReference;
for (int i = 0; i < source.ElementCount; i++)
{
Element element = new Element(source.GetElementID(i));
for (int j = 0; j < source.GetVertexCount(i); j++)
{
double x = source.GetXCoordinate(i, j);
double y = source.GetYCoordinate(i, j);
double z = source.GetZCoordinate(i, j);
element.AddVertex(new Vertex(x, y, z));
}
_elements.Add(element);
}
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="source">The element set to copy</param>
public ElementSet(IElementSet source)
{
_description = source.Description;
_id = source.ID;
_elementType = source.ElementType;
_spatialReference = source.SpatialReference;
for (int i=0;i<source.ElementCount;i++)
{
Element element = new Element(source.GetElementID(i));
for (int j=0;j<source.GetVertexCount(i);j++)
{
double x = source.GetXCoordinate(i,j);
double y = source.GetYCoordinate(i,j);
double z = source.GetZCoordinate(i,j);
element.AddVertex(new Vertex(x,y,z));
}
_elements.Add(element);
}
}
/// <summary>
/// Static method that validates an object with an IElementSet interface. The method
/// raises an Exception in case IElementSet does not describe a valid ElementSet.
/// The checks made are:
/// <p>ElementType: Check</p>
/// <p>XYPoint: Only one vertex in each element.</p>
/// <p>XYPolyline: At least two vertices in each element.</p>
/// <p> All line segments in each element has length > 0</p>
/// <p>XYPolygon: At least three vertices in each element.</p>
/// <p> Area of each element is larger than 0</p>
/// <p> All line segments in each element has length > 0</p>
/// <p> No line segments within an element crosses.</p>
/// </summary>
///
/// <param name="elementSet">Object that implement the IElementSet interface</param>
///
/// <returns>
/// The method has no return value.
/// </returns>
public static void CheckElementSet(IElementSet elementSet)
{
try
{
if (elementSet.ElementType == ElementType.XYPoint)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
if (elementSet.GetVertexCount(i) != 1)
{
throw new System.Exception("Number of vertices in point element is different from 1.");
}
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = " + elementSet.GetElementID(i), e);
}
}
}
else if (elementSet.ElementType == ElementType.XYPolyLine)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
XYPolyline xypolyline = new XYPolyline();
for (int j = 0; j < elementSet.GetVertexCount(i); j++)
{
XYPoint xypoint = new XYPoint(elementSet.GetXCoordinate(i, j), elementSet.GetYCoordinate(i, j));
xypolyline.Points.Add(xypoint);
}
xypolyline.Validate();
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = " + elementSet.GetElementID(i), e);
}
}
}
else if (elementSet.ElementType == ElementType.XYPolygon)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
XYPolygon xypolygon = new XYPolygon();
for (int j = 0; j < elementSet.GetVertexCount(i); j++)
{
XYPoint xypoint = new XYPoint(elementSet.GetXCoordinate(i, j), elementSet.GetYCoordinate(i, j));
xypolygon.Points.Add(xypoint);
}
xypolygon.Validate();
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = " + elementSet.GetElementID(i), e);
}
}
}
}
catch (System.Exception e)
{
throw new System.Exception("ElementSet with ID = " + elementSet.ID + " is invalid", e);
}
}
private XYPolygon CreateXYPolygon(IElementSet elementSet, int index)
{
if (elementSet.ElementType != ElementType.XYPolygon)
{
throw new System.Exception("Cannot create XYPolyline");
}
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)));
}
return xyPolygon;
}
private XYPolyline CreateXYPolyline(IElementSet elementSet, int index)
{
if (!(elementSet.ElementType == ElementType.XYPolyLine || elementSet.ElementType == ElementType.XYLine))
{
throw new System.Exception("Cannot create 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)));
}
return xyPolyline;
}
private XYPoint CreateXYPoint(IElementSet elementSet, int index)
{
if (elementSet.ElementType != ElementType.XYPoint)
{
throw new System.Exception("Cannot create XYPoint");
}
XYPoint xyPoint = new XYPoint();
xyPoint.X = elementSet.GetXCoordinate(index,0);
xyPoint.Y = elementSet.GetYCoordinate(index,0);
return xyPoint;
}
/// <summary>
/// Static method that validates an object with an IElementSet interface. The method
/// raises an Exception in case IElementSet does not describe a valid ElementSet.
/// The checks made are:
/// <p>ElementType: Check</p>
/// <p>XYPoint: Only one vertex in each element.</p>
/// <p>XYPolyline: At least two vertices in each element.</p>
/// <p> All line segments in each element has length > 0</p>
/// <p>XYPolygon: At least three vertices in each element.</p>
/// <p> Area of each element is larger than 0</p>
/// <p> All line segments in each element has length > 0</p>
/// <p> No line segments within an element crosses.</p>
/// </summary>
///
/// <param name="elementSet">Object that implement the IElementSet interface</param>
///
/// <returns>
/// The method has no return value.
/// </returns>
public static void CheckElementSet(IElementSet elementSet)
{
try
{
if(elementSet.ElementType == ElementType.XYPoint)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
if(elementSet.GetVertexCount(i) != 1)
{
throw new System.Exception("Number of vertices in point element is different from 1.");
}
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = "+elementSet.GetElementID(i),e);
}
}
}
else if(elementSet.ElementType == ElementType.XYPolyLine)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
XYPolyline xypolyline = new XYPolyline();
for (int j = 0; j < elementSet.GetVertexCount(i); j++)
{
XYPoint xypoint = new XYPoint(elementSet.GetXCoordinate(i,j),elementSet.GetYCoordinate(i,j));
xypolyline.Points.Add(xypoint);
}
xypolyline.Validate();
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = "+elementSet.GetElementID(i),e);
}
}
}
else if(elementSet.ElementType == ElementType.XYPolygon)
{
for (int i = 0; i < elementSet.ElementCount; i++)
{
try
{
XYPolygon xypolygon = new XYPolygon();
for (int j = 0; j < elementSet.GetVertexCount(i); j++)
{
XYPoint xypoint = new XYPoint(elementSet.GetXCoordinate(i,j),elementSet.GetYCoordinate(i,j));
xypolygon.Points.Add(xypoint);
}
xypolygon.Validate();
}
catch (System.Exception e)
{
throw new System.Exception("ElementID = "+elementSet.GetElementID(i),e);
}
}
}
}
catch (System.Exception e)
{
throw new System.Exception("ElementSet with ID = "+elementSet.ID+" is invalid",e);
}
}
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));
}
}
}
}
