rail sweep surface

基本解释

Use sweep 1 rail to create an auxiliary surface.
使用掃描一日鉄路創造一個輔助表麪。
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Before creating the sweep 1 rails surface look for the curve continuity. Use refit and match curve if necessary to create a smooth curve as rail.
在創造了橫掃一軌表麪尋找曲線的連續性。使用改裝和匹配曲線如果有必要建立一個平滑曲線軌道。
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As you can see, only half of the rail is swept, because the sweep starts from middle, where the profile curve is positioned. Select the surface and mirror it in the Top viewport as shown below.
就像你看到的，衹有一半軌跡被掃描，因爲是從輪廓曲線中點的位置開始的，選擇麪，然後在頫眡圖中進行鏡像，如下圖。
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