/// <summary>
/// Split a circle into the upper and lower parts
/// </summary>
/// <param name="arc">Arc to be split</param>
/// <param name="upperArc">Upper arc of the circle</param>
/// <param name="lowerArc">Lower arc of the circle</param>
/// <param name="bubLoc">bubble location</param>
protected void TransformCircle(Arc arc, ref Arc upperArc, ref Arc lowerArc, BubbleLocation bubLoc)
{
Autodesk.Revit.DB.XYZ center = arc.Center;
double radius = arc.Radius;
Autodesk.Revit.DB.XYZ XRightPoint = new Autodesk.Revit.DB.XYZ(center.X + radius, center.Y, 0);
Autodesk.Revit.DB.XYZ XLeftPoint = new Autodesk.Revit.DB.XYZ(center.X - radius, center.Y, 0);
Autodesk.Revit.DB.XYZ YUpperPoint = new Autodesk.Revit.DB.XYZ(center.X, center.Y + radius, 0);
Autodesk.Revit.DB.XYZ YLowerPoint = new Autodesk.Revit.DB.XYZ(center.X, center.Y - radius, 0);
if (bubLoc == BubbleLocation.StartPoint)
{
upperArc = Arc.Create(XRightPoint, XLeftPoint, YUpperPoint);
lowerArc = Arc.Create(XLeftPoint, XRightPoint, YLowerPoint);
}
else
{
upperArc = Arc.Create(XLeftPoint, XRightPoint, YUpperPoint);
lowerArc = Arc.Create(XRightPoint, XLeftPoint, YLowerPoint);
}
}
/// <summary>
/// Get the arc to create grid according to the specified bubble location
/// </summary>
/// <param name="origin">Arc grid's origin</param>
/// <param name="radius">Arc grid's radius</param>
/// <param name="startDegree">Arc grid's start degree</param>
/// <param name="endDegree">Arc grid's end degree</param>
/// <param name="bubLoc">Arc grid's Bubble location</param>
/// <returns>The expected arc to create grid</returns>
protected Arc TransformArc(Autodesk.Revit.DB.XYZ origin, double radius, double startDegree, double endDegree,
BubbleLocation bubLoc)
{
Arc arcToCreate;
// Get start point and end point of the arc and the middle point on the arc
Autodesk.Revit.DB.XYZ startPoint = new Autodesk.Revit.DB.XYZ(origin.X + radius * Math.Cos(startDegree),
origin.Y + radius * Math.Sin(startDegree), origin.Z);
Autodesk.Revit.DB.XYZ midPoint = new Autodesk.Revit.DB.XYZ(origin.X + radius * Math.Cos((startDegree + endDegree) / 2),
origin.Y + radius * Math.Sin((startDegree + endDegree) / 2), origin.Z);
Autodesk.Revit.DB.XYZ endPoint = new Autodesk.Revit.DB.XYZ(origin.X + radius * Math.Cos(endDegree),
origin.Y + radius * Math.Sin(endDegree), origin.Z);
if (bubLoc == BubbleLocation.StartPoint)
{
arcToCreate = Arc.Create(startPoint, endPoint, midPoint);
}
else
{
arcToCreate = Arc.Create(endPoint, startPoint, midPoint);
}
return(arcToCreate);
}
/// <summary>
/// Create an arc grid with its origin, radius, start degree, end degree and bubble location
/// </summary>
/// <param name="origin">Arc grid's origin</param>
/// <param name="radius">Arc grid's radius</param>
/// <param name="startDegree">Arc grid's start degree</param>
/// <param name="endDegree">Arc grid's end degree</param>
/// <param name="bubLoc">Arc grid's Bubble location</param>
/// <returns>The newly created grid</returns>
private Grid CreateArcGrid(XYZ origin, double radius, double startDegree, double endDegree, BubbleLocation bubLoc)
{
// Get start point and end point of the arc and the middle point on the arc
XYZ startPoint = m_doc.Document.Application.Create.NewXYZ(origin.X + radius * Math.Cos(startDegree),
origin.Y + radius * Math.Sin(startDegree), origin.Z);
XYZ midPoint = m_doc.Document.Application.Create.NewXYZ(origin.X + radius * Math.Cos((startDegree + endDegree) / 2),
origin.Y + radius * Math.Sin((startDegree + endDegree) / 2), origin.Z);
XYZ endPoint = m_doc.Document.Application.Create.NewXYZ(origin.X + radius * Math.Cos(endDegree),
origin.Y + radius * Math.Sin(endDegree), origin.Z);
Arc arc;
if (bubLoc == BubbleLocation.StartPoint)
{
arc = Arc.Create(startPoint, endPoint, midPoint);
}
else
{
arc = Arc.Create(endPoint, startPoint, midPoint);
}
return(Grid.Create(m_doc.Document, arc));
}
/// <summary>
/// Get the line to create grid according to the specified bubble location
/// </summary>
/// <param name="line">The original selected line</param>
/// <param name="bubLoc">bubble location</param>
/// <returns>The line to create grid</returns>
protected Line TransformLine(Line line, BubbleLocation bubLoc)
{
Line lineToCreate;
// Create grid according to the bubble location
if (bubLoc == BubbleLocation.StartPoint)
{
lineToCreate = line;
}
else
{
Autodesk.Revit.DB.XYZ startPoint = line.get_EndPoint(1);
Autodesk.Revit.DB.XYZ endPoint = line.get_EndPoint(0);
lineToCreate = NewLine(startPoint, endPoint);
}
return lineToCreate;
}
/// <summary>
/// Split a circle into the upper and lower parts
/// </summary>
/// <param name="arc">Arc to be split</param>
/// <param name="upperArc">Upper arc of the circle</param>
/// <param name="lowerArc">Lower arc of the circle</param>
/// <param name="bubLoc">bubble location</param>
protected void TransformCircle(Arc arc, ref Arc upperArc, ref Arc lowerArc, BubbleLocation bubLoc)
{
Autodesk.Revit.DB.XYZ center = arc.Center;
double radius = arc.Radius;
Autodesk.Revit.DB.XYZ XRightPoint = new Autodesk.Revit.DB.XYZ (center.X + radius, center.Y, 0);
Autodesk.Revit.DB.XYZ XLeftPoint = new Autodesk.Revit.DB.XYZ (center.X - radius, center.Y, 0);
Autodesk.Revit.DB.XYZ YUpperPoint = new Autodesk.Revit.DB.XYZ (center.X, center.Y + radius, 0);
Autodesk.Revit.DB.XYZ YLowerPoint = new Autodesk.Revit.DB.XYZ (center.X, center.Y - radius, 0);
if (bubLoc == BubbleLocation.StartPoint)
{
upperArc = m_appCreator.NewArc(XRightPoint, XLeftPoint, YUpperPoint);
lowerArc = m_appCreator.NewArc(XLeftPoint, XRightPoint, YLowerPoint);
}
else
{
upperArc = m_appCreator.NewArc(XLeftPoint, XRightPoint, YUpperPoint);
lowerArc = m_appCreator.NewArc(XRightPoint, XLeftPoint, YLowerPoint);
}
}
/// <summary>
/// Get the arc to create grid according to the specified bubble location
/// </summary>
/// <param name="origin">Arc grid's origin</param>
/// <param name="radius">Arc grid's radius</param>
/// <param name="startDegree">Arc grid's start degree</param>
/// <param name="endDegree">Arc grid's end degree</param>
/// <param name="bubLoc">Arc grid's Bubble location</param>
/// <returns>The expected arc to create grid</returns>
protected Arc TransformArc(Autodesk.Revit.DB.XYZ origin, double radius, double startDegree, double endDegree,
BubbleLocation bubLoc)
{
Arc arcToCreate;
// Get start point and end point of the arc and the middle point on the arc
Autodesk.Revit.DB.XYZ startPoint = new Autodesk.Revit.DB.XYZ (origin.X + radius * Math.Cos(startDegree),
origin.Y + radius * Math.Sin(startDegree), origin.Z);
Autodesk.Revit.DB.XYZ midPoint = new Autodesk.Revit.DB.XYZ (origin.X + radius * Math.Cos((startDegree + endDegree) / 2),
origin.Y + radius * Math.Sin((startDegree + endDegree) / 2), origin.Z);
Autodesk.Revit.DB.XYZ endPoint = new Autodesk.Revit.DB.XYZ (origin.X + radius * Math.Cos(endDegree),
origin.Y + radius * Math.Sin(endDegree), origin.Z);
if (bubLoc == BubbleLocation.StartPoint)
{
arcToCreate = m_appCreator.NewArc(startPoint, endPoint, midPoint);
}
else
{
arcToCreate = m_appCreator.NewArc(endPoint, startPoint, midPoint);
}
return arcToCreate;
}
/// <summary>
/// Get the arc to create grid according to the specified bubble location
/// </summary>
/// <param name="arc">The original selected line</param>
/// <param name="bubLoc">bubble location</param>
/// <returns>The arc to create grid</returns>
protected Arc TransformArc(Arc arc, BubbleLocation bubLoc)
{
Arc arcToCreate;
if (bubLoc == BubbleLocation.StartPoint)
{
arcToCreate = arc;
}
else
{
// Get start point, end point of the arc and the middle point on it
Autodesk.Revit.DB.XYZ startPoint = arc.get_EndPoint(0);
Autodesk.Revit.DB.XYZ endPoint = arc.get_EndPoint(1);
bool clockwise = (arc.Normal.Z == -1);
// Get start angel and end angel of arc
double startDegree = arc.get_EndParameter(0);
double endDegree = arc.get_EndParameter(1);
// Handle the case that the arc is clockwise
if (clockwise && startDegree > 0 && endDegree > 0)
{
startDegree = 2 * Values.PI - startDegree;
endDegree = 2 * Values.PI - endDegree;
}
else if (clockwise && startDegree < 0)
{
double temp = endDegree;
endDegree = -1 * startDegree;
startDegree = -1 * temp;
}
double sumDegree = (startDegree + endDegree) / 2;
while (sumDegree > 2 * Values.PI)
{
sumDegree -= 2 * Values.PI;
}
while (sumDegree < -2 * Values.PI)
{
sumDegree += 2 * Values.PI;
}
Autodesk.Revit.DB.XYZ midPoint = new Autodesk.Revit.DB.XYZ (arc.Center.X + arc.Radius * Math.Cos(sumDegree),
arc.Center.Y + arc.Radius * Math.Sin(sumDegree), 0);
arcToCreate = m_appCreator.NewArc(endPoint, startPoint, midPoint);
}
return arcToCreate;
}
