protected override SamplerStatus Sampler(JigPrompts prompts)
{
JigPromptPointOptions jppo = new JigPromptPointOptions(_message);
jppo.Keywords.Add(""); // mod 20140527
jppo.Cursor = CursorType.EntitySelect;
jppo.BasePoint = _center;
jppo.UseBasePoint = true;
jppo.UserInputControls = UserInputControls.NullResponseAccepted;
Point3d end = prompts.AcquirePoint(jppo).Value;
if (end.IsNull())
{
return(SamplerStatus.Cancel);
}
else if (end != _end)
{
_end = end;
return(SamplerStatus.OK);
}
else
{
return(SamplerStatus.NoChange);
}
}
protected override SamplerStatus Sampler(JigPrompts prompts)
{
JigPromptPointOptions jppo = new JigPromptPointOptions("\n指定位置");
jppo.Keywords.Add(""); // mod 20140527
jppo.Cursor = CursorType.EntitySelect;
jppo.UseBasePoint = false;
jppo.UserInputControls = UserInputControls.NullResponseAccepted;
Point3d pos = prompts.AcquirePoint(jppo).Value;
if (pos.IsNull())
{
return(SamplerStatus.Cancel);
}
else if (pos != _pos)
{
_move = pos - _pos;
_pos = pos;
return(SamplerStatus.OK);
}
else
{
_move = pos - _pos;
return(SamplerStatus.NoChange);
}
}
public void TestSpline()
{
List <Point3d> points = new List <Point3d>();
while (true)
{
Point3d point = Interaction.GetPoint("\nSpecify a point");
if (point.IsNull())
{
break;
}
points.Add(point);
Draw.Circle(point, 5);
}
Draw.SplineCV(points.ToArray(), true);
}
public static void PolyLanding()
{
ObjectId[] ids = QuickSelection.SelectAll("*LINE,ARC").ToArray();
List <ObjectId> landingLineIds = new List <ObjectId>();
while (true)
{
Point3d p = Interaction.GetPoint("\nSpecify a point");
if (p.IsNull())
{
break;
}
Point3d[] landings = ids.QSelect(x => (x as Curve).GetClosestPointTo(p, false)).ToArray();
double minDist = landings.Min(x => x.DistanceTo(p));
Point3d landing = landings.First(x => x.DistanceTo(p) == minDist);
Interaction.WriteLine("Shortest landing distance of point ({0:0.00},{1:0.00}) is {2:0.00}。", p.X, p.Y, minDist);
ObjectId landingLineId = Draw.Line(p, landing);
landingLineIds.Add(landingLineId);
}
landingLineIds.QForEach(x => x.Erase());
}
protected override SamplerStatus Sampler(JigPrompts prompts)
{
JigPromptPointOptions jppo = new JigPromptPointOptions(_message);
jppo.Keywords.Add(""); // mod 20140527
jppo.Cursor = CursorType.EntitySelect;
jppo.UseBasePoint = false;
jppo.UserInputControls = UserInputControls.NullResponseAccepted;
Point3d corner = prompts.AcquirePoint(jppo).Value;
Point3d pos = Point3d.Origin + 0.5 * (_basePoint.GetAsVector() + corner.GetAsVector());
var extents = _ent.GeometricExtents;
double scale = Math.Min(
Math.Abs(corner.X - _basePoint.X) / (extents.MaxPoint.X - extents.MinPoint.X),
Math.Abs(corner.Y - _basePoint.Y) / (extents.MaxPoint.Y - extents.MinPoint.Y));
if (scale < Consts.Epsilon) // 在一开始scale势必很小。过小的scale会导致矩阵运算出现非等比缩放变换，从而被CAD拒绝，导致异常。
{
scale = Consts.Epsilon;
}
if (pos.IsNull())
{
return(SamplerStatus.Cancel);
}
else if (pos != _pos)
{
_move = pos - _pos;
_pos = pos;
//_mag = scale / _scale;
//_scale = scale;
_mag = scale;
return(SamplerStatus.OK);
}
else
{
_move = pos - _pos;
return(SamplerStatus.NoChange);
}
}
protected override SamplerStatus Sampler(JigPrompts prompts)
{
JigPromptPointOptions jppo = new JigPromptPointOptions(_message);
jppo.Keywords.Add(""); // mod 20140527
jppo.Cursor = CursorType.RubberBand;
jppo.BasePoint = _startPoint;
jppo.UseBasePoint = true;
Point3d endPoint = prompts.AcquirePoint(jppo).Value;
if (endPoint.IsNull())
{
return(SamplerStatus.Cancel);
}
else if (endPoint != _endPoint)
{
_endPoint = endPoint;
return(SamplerStatus.OK);
}
else
{
return(SamplerStatus.NoChange);
}
}