Custom Curve Trim - Intergraph Smart 3D - Reference Data

Intergraph Smart 3D 2D Symbols

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Intergraph Smart 3D
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2D Symbols
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Reference Data
Smart 3D Version
12 (2018)
  1. Select Custom Curve Trim from the Draw toolbar.

  2. Select curve to trim near the end to be trimmed.

  3. Select the trimming object.

  4. The result is a trimmed curve.

    In reality the curve is not trimmed. Its display (symbology) is just overridden to display a shorter (trimmed) curve, but the original geometry is still kept in the file. When you select the trimmed curve you will also get modification handles beyond the trimmed curve:

    This allows you to restore the original B-spline curve shape in case the trimming object is moved in such a way that extends the trimmed curve. If the original shape were not kept, the only available extension would be tangent segment, which would not be the proper shape.