/// <summary>
/// Cuts an arc at a specified point
/// </summary>
/// <param name="pointAtWhichToCut">The point at which to cut the arc - this must lie on the arc</param>
/// <returns>The cut piece of the original arc</returns>
public PSEntity Cut(Point pointAtWhichToCut)
{
// Check that point lies on arc
// TODO: Write this functionality
// Carry out operation
PSArc newArc = (PSArc)PSEntityCutter.CutEntity(this, pointAtWhichToCut);
// Return arc
return(newArc);
}
/// <summary>
/// Creates an Arc based on all parameters
/// </summary>
private PSArc(
PSAutomation powerSHAPE,
Point centre,
Point startPoint,
Point endPoint,
MM radius,
float span) : base(powerSHAPE)
{
//Clear the list of CreatedItems
_powerSHAPE.ActiveModel.ClearCreatedItems();
//Create the line
_powerSHAPE.DoCommand("CREATE ARC SWEPT",
centre.X.ToString() + " " + centre.Y.ToString() + " " + centre.Z.ToString(),
"ABS " + startPoint.X.ToString() + " " + startPoint.Y.ToString() + " " +
startPoint.Z.ToString(),
"ABS " + endPoint.X.ToString() + " " + endPoint.Y.ToString() + " " + endPoint.Z.ToString(),
"QUIT QUIT");
// Get its id
PSArc newArc = (PSArc)_powerSHAPE.ActiveModel.CreatedItems[0];
_name = newArc.Name;
_id = newArc.Id;
// Set the radius and span
if (radius != null)
{
Radius = radius;
}
if (span != null)
{
Span = span;
}
}