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What constitutes an "edge"?

jon_woellhafjon_woellhaf Member Posts: 92 ✭✭✭
edited December 2016 in Community Support
Consider this simple shape:

Why does Onshape show the intersection of the fillet with the flat surfaces as edges? It looks like I cut a tiny bit too deep with a mill.

I want the actual edges to show, but not the intersections of the fillet, which should be invisible.

Best Answer

Answers

  • Wesley_NWesley_N Member Posts: 17 ✭✭
    This could be remedied with an option like SolidWorks has to show tangent edges as visible, phantom, or removed. I prefer that tangent edges display differently than a non-tangent edge.
    http://www.keystonecollections.com/ - Handcrafted Furniture                                   http://www.newswangerpen.com/  - Fine, handcrafted writing instruments
  • TimRiceTimRice Member, Moderator, Onshape Employees Posts: 315
    Please submit an improvement request through the feedback tool in the product "?" --> "feedback"
    Tim Rice | User Experience | Support 
    Onshape, Inc.
  • adrian_vlzkzadrian_vlzkz Member Posts: 266 PRO
    In CAD the perimeter of any face is considered an Edge .
    Adrian V. | Onshape Ambassador
    CAD Engineering Manager
  • billy2billy2 Member, OS Professional, Mentor, Developers, User Group Leader Posts: 2,068 PRO
    edited December 2016
    jon-

    to expand on what adrian said:


    This is a basic concept to learning solid modeling. Vertices, edges & faces make up a solid model.

    Truth:
    -every edge has 2 faces (at least in pro/e)
    -vertices can have multiple edges
    -a "solid" is a volume defined by a face or faces (once again pro/e)

    While this may seem trivial, these 3 little nouns hold all the secrets to solid modeling.

    This is so fundamental to what's going on here, you'll appreciate the importance more as time goes on.

    Mastering these 3 nouns:




    My vote, I want to see the face edges in the brep definition. Please don't take those away. 





  • PeteYodisPeteYodis Moderator, Onshape Employees Posts: 541
    The improvement request here is not to take these away, it's to represent them slightly differently so that you know they are tangents edges.  Like this:


  • jon_woellhafjon_woellhaf Member Posts: 92 ✭✭✭
    Representing the tangent edges as PeteYodis illustrated is a good idea, I think, but I'd also like the option to not show them at all. My objective is to be able to render a more photo-realistic image.
  • bruce_williamsbruce_williams Member, Developers Posts: 842 EDU
    edited December 2016
    @jon_woellhaf -  Is this what you are after?  Choose 'shaded without hidden edges'

    www.accuratepattern.com
  • jon_woellhafjon_woellhaf Member Posts: 92 ✭✭✭
    No. Close, but this view softens details too much and seems to blur the image.
  • bruce_williamsbruce_williams Member, Developers Posts: 842 EDU
    you may want to check out the App Store for rendering add-on.
    www.accuratepattern.com
  • jon_woellhafjon_woellhaf Member Posts: 92 ✭✭✭
    I hadn't thought of that. Thanks, bruce_williams. I'll do that.
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