测量三点间角度距离的标注。

当用户创建3点角度标注时，AutoCAD 会在尺寸界线之间绘制标注线弧。尺寸界线是从角度端点延伸到标注线弧的交点。

三点角度标注

AutoCAD使用标注线弧的位置， 在角度顶点与尺寸界线指定的主要与次要角度之间进行选择。

要创建三点角度标注，使用AddDim3PointAngular方法。要编辑或查询三点角度标注，使用下列方法和属性：

方法 ArrayPolar ArrayRectangular Copy Delete GetBoundingBox GetExtensionDictionary GetXData Highlight IntersectWith Mirror Mirror3D Move Rotate Rotate3D ScaleEntity SetXData TransformBy Update

属性 Application AngleFormat AngleVertex Arrowhead1Block Arrowhead1Type Arrowhead2Block Arrowhead2Type ArrowheadSize DecimalSeparator DimensionLineColor DimensionLineWeight DimLine1Suppress DimLine2Suppress DimLineInside Document ExtensionLineColor ExtensionLineExtend ExtensionLineOffset ExtensionLineWeight ExtLine1EndPoint ExtLine1Suppress ExtLine2EndPoint ExtLine2Suppress Fit ForceLineInside Handle HasExtensionDictionary HorizontalTextPosition Hyperlinks Layer Linetype LinetypeScale Lineweight Measurement Normal ObjectID ObjectName OwnerID PlotStyleName Rotation ScaleFactor StyleName SuppressLeadingZeros SuppressTrailingZeros TextColor TextGap TextHeight TextInside TextInsideAlign TextMovement TextOutsideAlign TextOverride TextPosition TextPrecision TextPrefix TextRotation TextStyle TextSuffix ToleranceDisplay ToleranceHeightScale ToleranceJustification ToleranceLowerLimit TolerancePrecision ToleranceSuppressLeadingZeros ToleranceSuppressTrailingZeros ToleranceUpperLimit TrueColor VerticalTextPosition Visible

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