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Loft （ 放样 ）
Loft objects are two-dimensional shapes extruded along a third axis. You create loft objects from two or more existing spline objects. One of these splines serves the path. The remaining splines serve as cross-sections, or shapes, of the loft object. As you arrange shapes along the path, the software generates a surface between the shapes.
You create shape objects to serve as a path for any number of cross-section shapes. The path becomes the framework that holds the cross sections forming your object. If you designate only one shape on the path, the software assumes an identical shape is located at each end of the path. The surface is then generated between the shapes.
Loft is enabled when the scene has one or more shapes. To create a loft object, first create one or more shapes and then click Loft. Click either Get Shape or Get Path and select a shape in the viewports. Once you create a loft object, you can add and replace cross-section shapes or replace the path. You can also change or animate the parameters of the path and shapes.
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To create a loft with Get Path: （ 使用Get Path操作产生放样物体的步骤 ） ( a ) Select a shape as the first cross-section shape.
( b ) Click Create panel > Geometry > Compound Objects > Loft. ( c ) On the Creation Method rollout, click Get Path. ( d ) Choose Move, Copy, or Instance. ( e ) Click a shape for the path.
To create a loft with Get Shape: （ 使用Get Shape操作产生放样物体 ）
( a ) Select a valid path shape as the path. If the selected shape is not a valid path,
the Get Shape button is unavailable. ( b ) Click Create panel > Geometry > Compound Objects > Loft. ( c ) On the Creation Method rollout, click Get Shape. ( d ) Choose Move, Copy, or Instance. ( e ) Click a shape.
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