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.Net 实现Zoom

热度 1已有 1310 次阅读2015-8-10 23:58 |系统分类:应用

public static void ZoomW(Point3d p1, Point3d p2 ,Editor ed)

{

Extents3d ext = GetExtens(p1, p2);

Point3d p1x = ext.MinPoint;

Point3d p2x = ext.MaxPoint;

Point3d midP = p1x + (p2x - p1x) * 0.5;

ViewTableRecord view =new ViewTableRecord();

view.CenterPoint = new Point2d(midP.X, midP.Y);

view.Height = p2x.Y - p1x.Y;

view.Width = p2x.X - p1x.X;

ed.SetCurrentView(view);

}

public static Extents3d GetExtens(params Point3d[] pts)

{

double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;

Xmin = Ymin = Zmin = double.MaxValue;

Xmax = Ymax = Zmax = double.MinValue;

foreach (Point3d x in pts)

{

if (Xmin>x.X)

{

Xmin = x.X;

}

if (Xmax<x.X)

{

Xmax = x.X;

}

if (Ymin>x.Y)

{

Ymin = x.Y;

}

if (Ymax<x.Y)

{

Ymax = x.Y;

}

if (Zmin > x.Z)

{

Zmin = x.Z;

}

if (Zmax < x.Z)

{

Zmax = x.Z;

}

return new Extents3d(new Point3d (Xmin,Ymin,Zmin),new Point3d(Xmax,Ymax,Zmax));

}

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回复 ivde 2015-9-18 17:53: public static Extents3d GetExtents(params Point3d[] pts)
      {
         var ext = new Extents3d();
         foreach (var point3D in pts)
         {
            ext.AddPoint(point3D);
         }
         return ext;
      }

回复鱼与熊掌 2015-9-18 21:02: ivde: public static Extents3d GetExtents(params Point3d[] pts)
      {
         var ext = new Extents3d();
         foreach (var point3D in pts)
...
感谢关注  07版本的GetExtens有Bug

鱼与熊掌

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.Net 实现Zoom

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