private static ICircleEntity ByPointsOnCurveCore(Point firstPoint, Point secondPoint, Point 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, thirdPoint");
}
else if (thirdPoint.Equals(firstPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.EqualGeometry, "third point", "first point"), "thirdPoint, firstPoint");
}
else if (GeometryExtension.ArePointsColinear(firstPoint, secondPoint, thirdPoint))
{
throw new ArgumentException(string.Format(Properties.Resources.PointsColinear, "first, second and thrid points"), "firstPoint, secondPoint, thirdPoint");
}
/*
* Vector normal = null;
* var centerPt = Utils.GetCircumCenter(firstPoint, secondPoint, thirdPoint, out normal);
* if (centerPt == null || normal == null)
* {
* return null;
* }
* double rad = firstPoint.PointEntity.DistanceTo(centerPt.PointEntity);
* if( rad <= 0.0)
* {
* return null;
* }
*/
var entity = HostFactory.Factory.CircleByPointsOnCurve(firstPoint.PointEntity,
secondPoint.PointEntity, thirdPoint.PointEntity);
if (null == entity)
{
throw new Exception(string.Format(Properties.Resources.OperationFailed, "Circle.ByPointsOnCurve"));
}
return(entity);
}
private static IArcEntity ByPointsOnCurveCore(Point firstPoint, Point secondPoint, Point 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 (GeometryExtension.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, "Arc.ByPointsOnCurve"));
}
return(entity);
}
