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Clip cube section viewport has a black mask

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hello forum users (first post so go easy :-))

 I have been working with a Faro scanner to collect point cloud data. Imported the point cloud into vw (2020) to play with. When I select the clip cube tool, set a clipping side to my desired selection and select "create section viewport", the viewport always seems to come up with a black mask obscuring the desired selection. This is whether I try to place the viewport onto a design layer or a sheet layer. 

 Is it something to do with the fact that I am manipulating a point cloud rather than other object, either drawn in vw or imported in? I watched a tutorial uploaded 3 years ago that was simply doing what I wanted - but, of course, without the intruding black mask. Below I have added a screen shot to better illustrate my dilemma. 


 Looking forward to the replies

best regards


Screen Shot 2020-03-24 at 17.38.32.png

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Hi @MarcW


You've probably figured this out by now but, the solution I found was to make sure that with the Point Cloud Object selected, the Fill Attribute of the object is set to 'None'.



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Alas, I am having the same problem in VW 2020, Clip cube works correctly in Design Layers, but creating section viewports it is a black square.  I have tried the fill options, and also seen the webinar about working with pointclouds from some years ago. 

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Wondering if anyone has found a solution to this?  I'm having the same issue but unlike the OP, the cut plane shown on the face of my clip cube displays a section exactly as I would like to see it (like that shown above by James H.) however, when the viewport is created on a sheet layer, it displays as a solid rectangle.  I naturally assumed that the creation of a section viewport from the clip cube would be WYSIWYG.  I tried editing the section style to display a hatch instead of solid fill, and the viewport updates accordingly to a hatched rectangle, so clearly VW is treating it as a solid object. The fill attribute on my point cloud object is set to "none", so that's not the problem.  

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