TranslateCoordinates to DCS .NET C#\VB

Anonymous — Fri, 31 Jul 2020 15:23:37 GMT

Hello. I wanted to convert the coordinates of 2 points. I used this method once ...

Dim point1DCS() As Double = AcadApp.ActiveDocument.Utility.TranslateCoordinates(pt1, AcCoordinateSystem.acWorld, AcCoordinateSystem.acDisplayDCS, False)

Anyone know how to get this effect in NET API?

Re: TranslateCoordinates to DCS .NET C#\VB

Ed__Jobe — Fri, 31 Jul 2020 15:28:52 GMT

You can still use that if you reference the ActiveX api using Autodesk.AutoCAD.Interop

Re: TranslateCoordinates to DCS .NET C#\VB

_gile — Fri, 31 Jul 2020 15:50:53 GMT

Hi,

With plain .NET, you can use the following extension methods.

Dim point1DCS() As Double = AcadApp.ActiveDocument.Utility.TranslateCoordinates(pt1, AcCoordinateSystem.acWorld, AcCoordinateSystem.acDisplayDCS, False)

would be:

Point3d point1DCS = pt1.TransformBy(ed.WCS2DCS());

using Autodesk.AutoCAD.DatabaseServices; using Autodesk.AutoCAD.EditorInput; using Autodesk.AutoCAD.Geometry; using System; namespace AutoCadUtilsLibrary { public static class Extension { public static Matrix3d EyeToWorld(this AbstractViewTableRecord view) { if (view == null) throw new ArgumentNullException("view"); return Matrix3d.Rotation(-view.ViewTwist, view.ViewDirection, view.Target) * Matrix3d.Displacement(view.Target.GetAsVector()) * Matrix3d.PlaneToWorld(view.ViewDirection); } public static Matrix3d WorldToEye(this AbstractViewTableRecord view) { if (view == null) throw new ArgumentNullException("view"); return Matrix3d.WorldToPlane(view.ViewDirection) * Matrix3d.Displacement(view.Target.GetAsVector().Negate()) * Matrix3d.Rotation(view.ViewTwist, view.ViewDirection, view.Target); } public static Matrix3d DCS2WCS(this Editor ed) { if (ed == null) throw new ArgumentNullException("ed"); using (ViewTableRecord view = ed.GetCurrentView()) { return view.EyeToWorld(); } } public static Matrix3d WCS2DCS(this Editor ed) { if (ed == null) throw new ArgumentNullException("ed"); using (ViewTableRecord view = ed.GetCurrentView()) { return view.WorldToEye(); } } } }

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TranslateCoordinates to DCS .NET C#\VB

Re: TranslateCoordinates to DCS .NET C#\VB

Re: TranslateCoordinates to DCS .NET C#\VB