public static bool IsPointInArc(double testAngle, double startAngle, double endAngle, bool clockWise)
{
double angle1 = HitUtil.CalAngleSweep(startAngle, endAngle, clockWise);
double angle2 = HitUtil.CalAngleSweep(startAngle, testAngle, clockWise);
if (Math.Abs(angle1 % 360) > Math.Abs(angle2 % 360))
{
return(true);
}
return(false);
}
public static ArcModelMini GetArcParametersFromThreePoints(UnitPoint startPoint, UnitPoint midPoint, UnitPoint endPoint)
{
ArcModelMini arcModel = new ArcModelMini();
arcModel.Clockwise = HitUtil.IsClockwiseByCross(startPoint, midPoint, endPoint);
arcModel.Center = HitUtil.CenterPointFrom3Points(startPoint, midPoint, endPoint);
arcModel.Radius = (float)HitUtil.Distance(arcModel.Center, startPoint);
arcModel.StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(arcModel.Center, startPoint, 0));
float EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(arcModel.Center, endPoint, 0));
arcModel.SweepAngle = (float)HitUtil.CalAngleSweep(arcModel.StartAngle, EndAngle, arcModel.Clockwise);
return(arcModel);
}
//TODO:此方法可能存在问题
public static bool IsLineOnArc(UnitPoint p1, UnitPoint p2, UnitPoint center, float radius, double startAngle, double angleSweep, bool clockwise, float thWidth)
{
List <UnitPoint> unitPoints = HitUtil.GetIntersectPointLineWithCircle(p1, p2, center, radius, thWidth);
for (int i = 0; i < unitPoints.Count; i++)
{
double angle = HitUtil.LineAngleR(center, unitPoints[i], 0);
angle = HitUtil.RadiansToDegrees(angle);
double sweepAngle = HitUtil.CalAngleSweep(startAngle, angle, clockwise);
if (Math.Abs(angleSweep) > Math.Abs(sweepAngle))
{
return(true);
}
}
return(false);
}
private static List <IDrawObject> ConvertToMultiSegLine(ArcBase arc, List <BridgePoints> bridges)
{
List <IDrawObject> retObjects = new List <IDrawObject>();
if (bridges.Count == 2)
{
double angle1 = HitUtil.LineAngleR(arc.Center, bridges[0].Point1.Point, 0);
double angle2 = HitUtil.LineAngleR(arc.Center, bridges[1].Point1.Point, 0);
angle1 = HitUtil.CalAngleSweep(arc.StartAngle, HitUtil.RadiansToDegrees(angle1), arc.IsClockwise);
angle2 = HitUtil.CalAngleSweep(arc.StartAngle, HitUtil.RadiansToDegrees(angle2), arc.IsClockwise);
if (angle1 > angle2)
{
bridges.Reverse();
}
double bulge1 = BulgeHelper.GetBulgeFromTwoPointsAndCenter(arc.Center, arc.startPoint, bridges[0].Point1.Point, arc.IsClockwise);
retObjects.Add(new MultiSegmentLineBase()
{
IsCloseFigure = false,
LayerId = arc.LayerId,
GroupParam = CopyUtil.DeepCopy(arc.GroupParam),
Points = new List <UnitPointBulge>()
{
new UnitPointBulge(arc.startPoint, bulge1), bridges[0].Point1
}
});
bridges[0].Point2.Bulge = BulgeHelper.GetBulgeFromTwoPointsAndCenter(arc.Center, bridges[0].Point2.Point, bridges[1].Point1.Point, arc.IsClockwise);;
retObjects.Add(new MultiSegmentLineBase()
{
IsCloseFigure = false,
LayerId = arc.LayerId,
GroupParam = CopyUtil.DeepCopy(arc.GroupParam),
Points = new List <UnitPointBulge>()
{
bridges[0].Point2, bridges[1].Point1
}
});
bridges[1].Point2.Bulge = BulgeHelper.GetBulgeFromTwoPointsAndCenter(arc.Center, bridges[1].Point2.Point, arc.endPoint, arc.IsClockwise);;
retObjects.Add(new MultiSegmentLineBase()
{
IsCloseFigure = false,
LayerId = arc.LayerId,
GroupParam = CopyUtil.DeepCopy(arc.GroupParam),
Points = new List <UnitPointBulge>()
{
bridges[1].Point2, new UnitPointBulge(arc.endPoint, bridges[1].Point2.Bulge)
}
});
}
else if (bridges.Count == 1)
{
double bulge1 = BulgeHelper.GetBulgeFromTwoPointsAndCenter(arc.Center, arc.startPoint, bridges[0].Point1.Point, arc.IsClockwise);
retObjects.Add(new MultiSegmentLineBase()
{
IsCloseFigure = false,
LayerId = arc.LayerId,
GroupParam = CopyUtil.DeepCopy(arc.GroupParam),
Points = new List <UnitPointBulge>()
{
new UnitPointBulge(arc.startPoint, bulge1), bridges[0].Point1
}
});
bridges[0].Point2.Bulge = BulgeHelper.GetBulgeFromTwoPointsAndCenter(arc.Center, bridges[0].Point2.Point, arc.endPoint, arc.IsClockwise);;
retObjects.Add(new MultiSegmentLineBase()
{
IsCloseFigure = false,
LayerId = arc.LayerId,
GroupParam = CopyUtil.DeepCopy(arc.GroupParam),
Points = new List <UnitPointBulge>()
{
bridges[0].Point2, new UnitPointBulge(arc.endPoint, bridges[0].Point2.Bulge)
}
});
}
return(retObjects);
}
