Lesson 22: How to modify shape in OpenCascade

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  • Опубликовано: 25 янв 2025

Комментарии • 12

  • @jonathanforget8988
    @jonathanforget8988 Год назад +3

    always a great day when a new quaoar's video comes out!!

  • @vasanthbalguri3490
    @vasanthbalguri3490 Год назад

    I asked similar question few years back for which I got answers now, thanks

  • @abdoulkarimboussari1119
    @abdoulkarimboussari1119 6 месяцев назад

    Hello, the closest equivalent to MultiSection surface would be brepOffetapi_pipeshell. However there is no possibility to make the pipe follow the guide (auxiliary spine) can you assist me on that please.

  • @lordsoup4287
    @lordsoup4287 Год назад

    Thank you for the video!

  • @bwadss
    @bwadss Год назад

    Thank you for the video! If I wanted to modify a complex surface. Let's say, stretching it in the Z direction by some factor. How would I go about doing that?

    • @QuaoarWorkshop
      @QuaoarWorkshop  Год назад +1

      I'd recommend starting with the BRepBuilderAPI_GTransform class, which allows you to define a non-orthogonal transformation matrix. However, keep in mind that this class performs NURBS reapproximation, so it may be overkill. If you already have a B-spline surface and know the transformation law, you can attempt converting the coordinates of the control points using that law. Moving the coordinates of poles can often be enough for parametric optimization, such as in CFD. Does that answer your question?

    • @bwadss
      @bwadss Год назад

      @@QuaoarWorkshop Yes that was very helpful, thank you. I have much research to do on OC. Great video btw!

  • @h94yjcj6
    @h94yjcj6 10 месяцев назад

    Is it possible to using ReShape tool to add face to solid faces, i have try remove and replace method , they work fine, but i have no idea how to add shape.

    • @QuaoarWorkshop
      @QuaoarWorkshop  10 месяцев назад +1

      Have you tried BRep_Builder().Add() ?

  • @jonathanforget8988
    @jonathanforget8988 Год назад

    Are those inner wires/ outwiresc, the P-Curves?

    • @QuaoarWorkshop
      @QuaoarWorkshop  Год назад +1

      A wire contains a sequence of edges, where each edge contains both 3D and 2D (p-) curves. A wire as such is a structural entity, do it does not hold any geometry in itself.

    • @jonathanforget8988
      @jonathanforget8988 Год назад +1

      @@QuaoarWorkshop oh, okay thanks for the clarification.