87 lines
3.8 KiB
C#
87 lines
3.8 KiB
C#
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using Bentley.DgnPlatformNET;
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using Bentley.DgnPlatformNET.Elements;
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using Bentley.GeometryNET;
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using Bentley.MstnPlatformNET;
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namespace Mstn.Toolkit.Extensions
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{
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internal static class ElementTransformExtensions
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{
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public static void ApplyTransformInfo(this Element element, DTransform3d transform)
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{
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TransformInfo transformInfo = new(transform);
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element.ApplyTransform(transformInfo);
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element.AddToModel();//内存中定义的元素应用到磁盘文件的模型中
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}
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/// <summary>
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/// 设置为当前视角旋转变换
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/// </summary>
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/// <returns></returns>
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public static void SetCurrentViewRotation(this Element element)
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{
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Session.GetActiveViewport().GetRotation().TryInvert(out DMatrix3d invertMatrix);//获得当前视角的旋转转置矩阵
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DTransform3d dTransform3D = new DTransform3d(invertMatrix);//使用旋转矩阵创建几何变换
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TransformInfo transform = new TransformInfo(dTransform3D);//使用几何变换创建变换信息
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element.ApplyTransform(transform);
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}
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/// <summary>
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/// 移动
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/// </summary>
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/// <param name="element"></param>
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/// <param name="translateVector"></param>
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public static void Move(this Element element, DVector3d translateVector)
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{
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double uorPerMas = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;//主单位与分辨率单位的比值，最常用的比值
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var vector = translateVector * uorPerMas;
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DTransform3d trans = DTransform3d.FromTranslation(vector);
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TransformInfo info = new(trans);
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element.ApplyTransform(info);
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element.AddToModel();
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}
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/// <summary>
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/// 移动
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/// </summary>
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/// <param name="element"></param>
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/// <param name="targetPoint"></param>
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public static void MoveTo(this Element element, DPoint3d targetPoint)
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{
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double uorPerMas = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;//主单位与分辨率单位的比值，最常用的比值
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var target = targetPoint * uorPerMas;
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DTransform3d trans = DTransform3d.FromTranslation(target);
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TransformInfo info = new(trans);
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element.ApplyTransform(info);
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element.AddToModel();
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}
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/// <summary>
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/// 旋转
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/// </summary>
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/// <param name="element"></param>
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/// <param name="origin">基点</param>
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/// <param name="axis">旋转轴</param>
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/// <param name="angle">角度(°)</param>
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public static void Rotate(this Element element, DPoint3d origin, DVector3d axis, Angle angle)
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{
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double uorPerMas = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;//主单位与分辨率单位的比值，最常用的比值
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var vector = origin * uorPerMas;
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DTransform3d trans = DTransform3d.FromRotationAroundLine(origin, axis, angle);
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TransformInfo info = new(trans);
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element.ApplyTransform(info);
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element.AddToModel();
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}
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public static void Rotate(this DisplayableElement element, DVector3d axis, Angle angle)
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{
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double uorPerMas = Session.Instance.GetActiveDgnModel().GetModelInfo().UorPerMeter;//主单位与分辨率单位的比值，最常用的比值
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element.GetTransformOrigin(out DPoint3d origin);
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var vector = origin * uorPerMas;
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DTransform3d trans = DTransform3d.FromRotationAroundLine(origin, axis, angle);
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TransformInfo info = new(trans);
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element.ApplyTransform(info);
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element.AddToModel();
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}
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}
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}
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