本文整理汇总了C#中Vector3d.DotProduct方法的典型用法代码示例。如果您正苦于以下问题：C# Vector3d.DotProduct方法的具体用法？C# Vector3d.DotProduct怎么用？C# Vector3d.DotProduct使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vector3d的用法示例。
在下文中一共展示了Vector3d.DotProduct方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: btnAlign_Click
private void btnAlign_Click(object sender, EventArgs e)
{
Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
using (EditorUserInteraction UI = ed.StartUserInteraction(this))
{
PromptEntityOptions opts = new PromptEntityOptions("\nSelect entity: ");
opts.AllowNone = false;
opts.SetRejectMessage("\nSelect a LINE, ARC or POLYLINE entity.");
opts.AddAllowedClass(typeof(Curve), false);
PromptEntityResult per = ed.GetEntity(opts);
if (per.Status == PromptStatus.OK)
{
Point3d pt = per.PickedPoint;
ObjectId id = per.ObjectId;
bool posUp = false;
Vector3d dir = new Vector3d(), up = new Vector3d(), normal = new Vector3d();
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
try
{
RebarPos pos = (RebarPos)tr.GetObject(m_Pos, OpenMode.ForRead);
Curve curve = (Curve)tr.GetObject(id, OpenMode.ForRead);
pt = curve.GetClosestPointTo(pt, curve.GetPlane().Normal, false);
dir = curve.GetFirstDerivative(pt);
dir = dir * pos.DirectionVector.Length / dir.Length;
normal = pos.NormalVector;
normal = normal * pos.DirectionVector.Length / normal.Length;
up = dir.CrossProduct(normal);
up = up * pos.DirectionVector.Length / up.Length;
posUp = (dir.DotProduct(pos.UpVector) > 0);
}
catch (System.Exception ex)
{
System.Windows.Forms.MessageBox.Show("Error: " + ex.Message, "RebarPos", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
double offset = 0.0;
double offset1 = -0.75, offset2 = 1.75;
if (posUp)
{
AlignPos(pt + offset1 * up, dir, up, normal);
offset = offset2;
}
else
{
AlignPos(pt + offset2 * up, dir, up, normal);
offset = offset1;
}
PromptKeywordOptions kopts = new PromptKeywordOptions("\nDiğer tarafa yerleştirilsin mi? [Evet/Hayır] <Hayir>: ", "Yes No");
kopts.AllowNone = true;
PromptResult kres = ed.GetKeywords(kopts);
if (kres.Status == PromptStatus.None || kres.StringResult == "Yes")
{
AlignPos(pt + offset * up, dir, up, normal);
ed.UpdateScreen();
}
}
}
}