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P Retondo

Joining polylines with a fillet

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In previous versions we could join polylines with the fillet tool, which is really handy for pipelines & duct runs.  Now, in v2020, I get the error "Parallel lines cannot be filleted or chamfered," even though the segments in question are at right angles.  Works okay with lines, but if a polyline is involved, no go.  Is this a bug someone else has noticed?  Is anything being done about it?  Am I mad?

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Have you tried to Compose the polylines first? And also make sure that the fillet distance is less than the closest sequential vertices?

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Posted (edited)

Peter, this is in the context of plumbing and other single-line plans that can't be composed into a single polyline.  What I want to get is this:

image.thumb.png.5b276391344945f9e4631da19e392b54.png

 

With a polyline, what I get instead is this:

image.thumb.png.714e54dd6b678cbdb9242330cffb3456.png

 

This worked in v2017.  In v2020 it works with lines, with polygons, but not with polylines.  I think it's a bug.

Edited by P Retondo

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It (sort of) works for me in 2018.

 

What doesn't work is trimming/extending the lines to the fillet itself.

 

544149577_ScreenShot2020-08-26at17_18_03.thumb.jpg.9b187e78c8b2f8387e43b64c94d37d04.jpg

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However... I recently discovered the "fillet" vertex mode for polylines, which can be quite useful for this kind of thing.

 

Draw as right angle

2077865060_ScreenShot2020-08-26at17_20_12.thumb.jpg.d421765dbfaca8c60862e2bd37e185ca.jpg

 

Then use polyline reshape tool to change that vertex to a fillet type, with your desired radius

414690741_ScreenShot2020-08-26at17_20_35.thumb.jpg.5311730494490010c95e2f8aa152b4de.jpg

 

 

One of the nice things about doing it this way is that you can later edit the polyline location/angle and not have to redraw your fillet:

 

 

 

 

Screen Shot 2020-08-26 at 17.23.39.jpg

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@line-weight 

Right, that's the way it's always worked as far as I know.  Now we know it works up through 2018, not sure about 2019, but definitely not in 2020.

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Posted (edited)

Vw2019 functions the same way as Vw2020. The toolbar hint says that it in the Trim Mode it 'trims or extends lines / arcs...', so I'd guess that this is 'Working as Designed'.

 

But it could use a better error message than 'Parallel lines cannot be filleted or chamfered' -- such as 'Polylines cannot be filleted or chamfered'. [Maybe an overactive UI spellcheck and 'Parallel lines' is really supposed to say 'Polylines'?]

 

Vw2016 - 2018 do create the fillet in Fillet > Trim Mode, but they don't extend or trim the polylines as the toolbar hint would suggest. So it sort of works in those versions, but not fully.

Edited by rDesign

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Posted (edited)

@rDesign 

I'm not sure why you say 'working as designed' in v2020.  No fillet is created, something that worked in previous versions. And as you point out, not fully working as designed in previous versions because of not extending the line or segment to the fillet!

 

Try filleting to a polyline in 2020 and you will see what I am talking about.

Edited by P Retondo

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Posted (edited)
1 hour ago, P Retondo said:

@rDesign 

I'm not sure why you say 'working as designed' in v2020.  No fillet is created, something that worked in previous versions. And as you point out, not fully working as designed in previous versions because of not extending the line or segment to the fillet!

 

Try filleting to a polyline in 2020 and you will see what I am talking about.

 

I have tried in Vw2020 (and Vw2016, Vw2018, and Vw2019). As you correctly stated -- it doesn't work in Vw2019/Vw2020 as it it did in Vw2018 and older.

 

I said 'Working as Designed' because I would guess this is how Vw engineers intend it to work (hence the tool tip saying it works on 'lines / arcs', it says nothing about polylines). It wasn't fully working with polylines in older versions, so instead of fixing it, it appears that they took out that functionality completely.

 

If you haven't already, you should file a Tech Support Request.

Edited by rDesign

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@rDesign 

Thanks for all your work to track this down and provide at least moral support - and answering the question "am I mad?"  At least I know folks agree how things work now and how they used to work.  A little disappointed that an upgrade I paid for doesn't work as well as previous versions in this respect.

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Posted (edited)

You’re absolutely right - good catch. That is very clear that fillets should work on polylines.
In addition to filing a Tech Support request, someone should also submit a Bug Report. Hopefully they fix it soon.

Edited by rDesign

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Weirdly, you can fillet segments of a single polyline... you just can't fillet a polyline to another object.

 

Currently the workaround would be to Decompose the polyline, then Fillet, then Select Connected Objects, then Compose.

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I find that if I create a polyline that crosses itself, I can't fillet any part of it. In fact, it crashes the program. No crossing, no problem. I've turned in a bug report. 

BTW, I'm a really new user with no experience on previous VW versions. Now using 2021 so I hope this comment is germane.

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I just tried this in a later service pack and while you could not fillet a poly line that crosses itself, it does not crash for me.

 

Are you running SP1?

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