將一個點限制在直線或弧的中點上。
Toggle on constraints while you make selections. Each pair of entities selected are constrained to each other. Click to toggle off, or select another tool to toggle off automatically.
快速鍵:Shift+m
步驟
- 選擇一條直線與一個點,或選擇一個弧與一個點。
- Click the Midpoint icon (
).
點會被限制在直線或弧的中點。
To place a point at the midpoint of two other points on a line:
-
Select the start point.
-
Select the end point.
-
Select the point between the start and end points (the midpoint).
The start (left) and end (right) points are selected first, then the middle point is selected (shown under the cursor)
-
Click the Midpoint icon (
) on the toolbar.
The third point is constrained to be equidistant between the start and end points:
將一個點限制在直線或弧的中點上。
- 選擇一個點,和一條直線或一個弧。
- 選擇
。
點會被限制在直線或弧的中點。