修改线条箭头样式

Cad/FeatureDrivenDrawer.cs

@@ -648,7 +648,8 @@ namespace CadParamPluging.Cad
                 new Point3d(ox + radius, oy, 0),
                 new Point3d(ox + radius / 2, oy - 20, 0),
                 0,
-                dimText);
+                dimText,
+                ApplyHalfSideDimStyle);
         }
 
         /// <summary>
@@ -686,7 +687,8 @@ namespace CadParamPluging.Cad
                 new Point3d(xInnerRight, yBottom, 0),
                 new Point3d(oxAxis + innerRadius / 2, dimLineY, 0),
                 0,
-                dimText);
+                dimText,
+                ApplyHalfSideDimStyle);
         }
 
         /// <summary>
@@ -1600,8 +1602,34 @@ namespace CadParamPluging.Cad
             return $"{baseText}{{\\H{tolScale}x;{single}}}";
         }
 
+        private static void ApplyHalfSideDimStyle(Dimension dim, DrawingContext ctx)
+        {
+            // 按需求修改半边标注样式：
+            // 尺寸线 1和2开 (默认即为开)
+            // 界线1关 (Dimse1 = true)
+            // 界线2开 (Dimse2 = false)
+            TrySetDimProp(dim, "Dimse1", true);
+            TrySetDimProp(dim, "Dimse2", false);
+
+            // 箭头1 无 (Dimblk1 = _NONE)
+            // 箭头2 实心闭合 (Dimblk2 = Default)
+            try
+            {
+                // 需要设置 Dimsah = true 才能分别设置箭头
+                TrySetDimProp(dim, "Dimsah", true);
+
+                // 尝试设置箭头1为 _NONE
+                var bt = (BlockTable)ctx.Tr.GetObject(ctx.Db.BlockTableId, OpenMode.ForRead);
+                if (bt.Has("_NONE"))
+                {
+                    dim.Dimblk1 = bt["_NONE"];
+                }
+            }
+            catch { }
+        }
+
         private static void AddLinearDim(DrawingContext ctx, Point3d pt1, Point3d pt2, Point3d dimLinePt, 
-            double rotationDeg, string textOverride)
+            double rotationDeg, string textOverride, Action<Dimension, DrawingContext> customizer = null)
         {
             try
             {
@@ -1617,6 +1645,9 @@ namespace CadParamPluging.Cad
                     try { dim.Normal = Vector3d.ZAxis; } catch { }
                     TryApplyDimSizeOverrides(dim);
                     TryApplyDimLayoutOverrides(dim, pt1, pt2, dimLinePt, rotRad);
+                    
+                    customizer?.Invoke(dim, ctx);
+
                     ctx.Style?.Apply(dim, DrawingStyleManager.Role.Dimension);
                     ctx.Btr.AppendEntity(dim);
                     ctx.Tr.AddNewlyCreatedDBObject(dim, true);

Cad/TemplateDrawingService.cs

@@ -961,7 +961,7 @@ namespace CadParamPluging.Cad
             try
             {
                 // Keep the template's white frame but enforce the desired lineweight.
-                ApplyWhiteFrameLineWeight(ctx, LineWeight.LineWeight050);
+                ApplyWhiteFrameLineWeight(ctx, LineWeight.LineWeight015);
             }
             catch
             {