/// <summary>
/// 剪切矩形区内的图形
/// </summary>
/// <param name="cutBox"></param>
public static void TrimMap(Polyline cutBox)
{
//关闭对象捕捉功能避免误删除
cadApplication.SetSystemVariable("SNAPMODE", 0);
cadApplication.SetSystemVariable("MODEMACRO", "正在修剪");
////获取最小与最大点
Point3d minPoint = cutBox.GeometricExtents.MinPoint;
Point3d maxPoint = cutBox.GeometricExtents.MaxPoint;
////设置缩放视口
//设置缩放视口
//CADTools.RunCommand(true, "Zoom", "e",
// new Point3d(minPoint.X - 10, minPoint.Y - 10, 0), new Point3d(maxPoint.X + 10, maxPoint.Y + 10, 0));
//CADTools.RunCommand(false, "Zoom", "W"
// , new Point3d(minPoint.X - 10, minPoint.Y - 10, 0), new Point3d(maxPoint.X + 10, maxPoint.Y + 10, 0));
//裁剪精度
Polyline offsetBox = cutBox.GetOffsetCurves(0.2)[0] as Polyline;
if (offsetBox.Area < cutBox.Area)
{
offsetBox = cutBox.GetOffsetCurves(-0.2)[0] as Polyline;
}
//裁剪
for (int i = 0; i < offsetBox.NumberOfVertices; i++)
{
Point3d p1 = offsetBox.GetPoint3dAt(i);
Point3d p2 = new Point3d();
if (i == offsetBox.NumberOfVertices - 1)
{
p2 = offsetBox.GetPoint3dAt(0);
}
else
{
p2 = offsetBox.GetPoint3dAt(i + 1);
}
//调用Line命令，由用户结束
//CADTools.RunCommand(true, "_.line");
//调用Line命令并结束
// CADTools.RunCommand(false, "_.line", Point3d.Origin, new Point3d(10, 10, 0));
//CADTools.RunCommand(false,new ResultTree
// CADTools.RunCommand(false, params new object[]{});
//CADTools.RunCommand(true, ".trim"
// , cutBox.ObjectId, "", "F", p1, p2, "", "");
}
offsetBox.Dispose();
cadApplication.SetSystemVariable("MODEMACRO", "修剪完成");
}