private static IArcEntity ByCenterPointRadiusAngleCore(DSPoint centerPoint, double radius, double startAngle, double sweepAngle, ref DSVector normal)
{
if (centerPoint == null)
{
throw new ArgumentNullException("centerPoint");
}
else if (normal == null)
{
throw new ArgumentNullException("normal");
}
else if (radius <= 0.0)
{
throw new ArgumentException(string.Format(Properties.Resources.LessThanZero, "radius"));
}
else if (normal.IsZeroVector())
{
throw new ArgumentException(string.Format(Properties.Resources.IsZeroVector, normal), "normal");
}
normal = normal.IsNormalized ? normal : normal.Normalize();
var endAngle = (startAngle + sweepAngle);
IArcEntity entity = HostFactory.Factory.ArcByCenterPointRadiusAngle(centerPoint.PointEntity, radius, DSGeometryExtension.DegreesToRadians(startAngle), DSGeometryExtension.DegreesToRadians(endAngle), normal.IVector);
if (null == entity)
{
throw new Exception(string.Format(Properties.Resources.OperationFailed, "DSArc.ByCenterPointRadiusAngle"));
}
return(entity);
}
private DSArc(IArcEntity entity, bool persist = false)
: base(entity, persist)
{
if (null != entity)
{
InitializeGuaranteedProperties();
}
}
private DSArc(IArcEntity entity, bool persist = false)
: base(entity, persist)
{
if (null != entity)
{
InitializeGuaranteedProperties();
}
}
public void WriteObject(IArcEntity entity)
{
WriteEntity("CenterPoint", entity.CenterPoint);
WriteDouble("Radius", entity.Radius);
WriteDouble("StartAngle", entity.StartAngle);
WriteDouble("SweepAngle", entity.SweepAngle);
WriteEntity("Normal", entity.Normal);
}
public string WriteEntity(IArcEntity arc, string paramName = null)
{
if (string.IsNullOrEmpty(paramName))
{
paramName = string.Format("__arc_{0}", ++id);
}
string center = WriteEntity(arc.CenterPoint);
string normal = WriteEntity(arc.Normal);
mExpression.AppendFormat("{0} = Arc.ByCenterPointRadiusAngle({1}, {2}, {3}, {4}, {5});", paramName, center,
arc.Radius, GeometryExtension.RadiansToDegrees(arc.StartAngle), GeometryExtension.RadiansToDegrees(arc.SweepAngle), normal);
mExpression.AppendLine();
return(paramName);
}
private static IArcEntity ByPointsOnCurveCore(DSPoint firstPoint, DSPoint secondPoint, DSPoint thirdPoint)
{
if (firstPoint == null)
{
throw new ArgumentNullException("firstPoint");
}
else if (secondPoint == null)
{
throw new ArgumentNullException("secondPoint");
}
else if (thirdPoint == null)
{
throw new ArgumentNullException("thirdPoint");
}
else if (firstPoint.Equals(secondPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.EqualGeometry, "first point", "second point"), "firstPoint, secondPoint");
}
else if (secondPoint.Equals(thirdPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.EqualGeometry, "second point", "thrid point"), "secondPoint, thridPoint");
}
else if (thirdPoint.Equals(firstPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.EqualGeometry, "third point", "first point"), "thirdPoint, firstPoint");
}
else if (DSGeometryExtension.ArePointsColinear(firstPoint, secondPoint, thirdPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.PointsColinear, "first, second and thrid points"), "firstPoint, secondPoint, thridPoint");
}
IArcEntity entity = HostFactory.Factory.ArcByPointsOnCurve(firstPoint.PointEntity, secondPoint.PointEntity, thirdPoint.PointEntity);
if (null == entity)
{
throw new Exception(string.Format(Properties.Resources.OperationFailed, "DSArc.ByPointsOnCurve"));
}
return(entity);
}
