Construction line has disappeared (v0.19)
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Construction line has disappeared (v0.19)
Sketch in Body is fully constrained but the construction line I used to offset the inner oblong shape is not showing. I need to increase the length of it, but cannot even see it in the constraint list.
I understand that the Sketcher should show construction geometry automatically, although I've tried various options to get it to display with no success
OS: Windows 10 (10.0)
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.22960 (Git)
Build type: Release
Branch: master
Hash: c5a4b01d2e4218bcc0eb6650337650a6c65ef0e4
Python version: 3.8.6
Qt version: 5.12.5
Coin version: 4.0.0
OCC version: 7.4.0
Locale: English/United States (en_US)
I understand that the Sketcher should show construction geometry automatically, although I've tried various options to get it to display with no success
OS: Windows 10 (10.0)
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.22960 (Git)
Build type: Release
Branch: master
Hash: c5a4b01d2e4218bcc0eb6650337650a6c65ef0e4
Python version: 3.8.6
Qt version: 5.12.5
Coin version: 4.0.0
OCC version: 7.4.0
Locale: English/United States (en_US)
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- JokoTestPart.FCStd
- (333 KiB) Downloaded 26 times
Last edited by garthn555 on Mon Nov 30, 2020 9:12 pm, edited 1 time in total.
Re: Construction line has disappeared (v0.19)
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Re: Construction line has disappeared (v0.19)
There is no construction line in sketch.
Re: Construction line has disappeared (v0.19)
Thats the point. The sketch shows as fully constrained, but as the construction line has disappeared. it should not be (the center oblong shape should be able to move).
But when I drew it I added a construction line between the outside and inside shapes, and did not delete it. It simply isn't showing
Re: Construction line has disappeared (v0.19)
I don't know if you deleted it or not, all I can say is don't waste your time looking for something that isn't there!
Re: Construction line has disappeared (v0.19)
But then why is the sketch fully constrained...that is contradictory. The reason I am trying to get it to display is that I need to lengthen it.
I'm already convinced this is a bug.
Re: Construction line has disappeared (v0.19)
The sketch is fully constrained, one of the anomalies that can be found sometimes is that tangent constraints can cause lines to be fixed unintentionally.
See https://forum.freecadweb.org/viewtopic.php?f=3&t=52727.
Don't know if this should be considered as a bug or not.
See https://forum.freecadweb.org/viewtopic.php?f=3&t=52727.
Don't know if this should be considered as a bug or not.
Re: Construction line has disappeared (v0.19)
Then the solver is making an assumption that it should not. There is nothing showing on the sketch that constrains the middle shape from moving as a whole. After some fiddling I managed to unconstrain a piece of the shape, reconstrain it and then the whole middle COULD move. I was able to add the construction line (again) and set its length. Now if I delete the line, the solver immediately goes to one degree of freedom, as it should. If I put the line back and exit the sketcher, the line is there when I edit the sketch again
Re: Construction line has disappeared (v0.19)
not that I know much about these things.
I could not even see the sketch in my v18, had to delete the parents or duplicate the sketch for it to show on the screen.
anyways, is this healthy, if they are removed the sketch is no longer fully constrained...
just a guess, could those 2 points be the construction line you are looking for?
maybe next time add the line in a picture, kind of hard to look for a line that is not there
I could not even see the sketch in my v18, had to delete the parents or duplicate the sketch for it to show on the screen.
anyways, is this healthy, if they are removed the sketch is no longer fully constrained...
just a guess, could those 2 points be the construction line you are looking for?
maybe next time add the line in a picture, kind of hard to look for a line that is not there