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AutoCAD 2010 Demo 參數式製圖

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Uploaded by on Apr 1, 2009

◆參數式製圖
在詳細圖面會因設計變更,常常需要重新繪製細部零件,可以將幾何約束會將幾何物件關聯到一起,或指定固定位置或角度。
也可以使用在對稱的平面設計,這樣就不需要花時間修改二次了。

使用參數式製圖,您可以將約束加入至 2D 幾何圖形。約束是決定物件相互之間的位置及其標註的規則。
約束通常用於專案的設計階段。對一個物件進行變更時會調整其他物件。
例如,如果一條直線被約束為與一條弧相切,則變更弧的位置時,仍會自動保持直線與弧相切。
這些約束稱為幾何約束。

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