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IDProjectCategoryView StatusLast Update
0002463SketcherBugpublic2017-04-26 02:44
ReporterflyhardAssigned To 
Status confirmedResolutionopen 
Product Version0.16 
Target VersionFixed in Version 
Summary0002463: Trim tool ignore tangent constraint to arch on circle
DescriptionIf I have an arch end connected to a circle, and also in tangent to that circle, the Trim tool ignores that connection with the arch. Trying to trim away a circle segment between the arch and a line. It trims till next valid point, like a line connected. (see attached picture of sequence)
Steps To Reproduce1. Draw a circle
2. Draw an arch with one end tangent to the circle
3. Draw two lines connected to, or through the circle (just as a break for the trim operation below)
4. Try to trim the circle segment between the arch and one of the lines
->The trim operation ignores the arch connection.
5. Use a line as a "tool", connected to where the arch connects to the circle, to stop the trim operation
Additional InformationIm running FreeCAD version 0.16.

In my attached picture, the arch is the one connected to the circle at 10 o'clock
TagsNo tags attached.


related to 0001576 confirmed Slow performance using trim tool 


2016-03-05 15:47flyhardNew Issue
2016-03-05 15:47flyhardFile Added: Graphic summary.png
2017-01-23 18:36Kunda1Relationship addedrelated to 0001576
2017-01-23 18:41Kunda1File Added: Graphic summary.jpg
2017-01-23 18:41Kunda1File Deleted: Graphic summary.png


2017-01-23 18:41


Graphic summary.jpg (149,324 bytes)
Graphic summary.jpg (149,324 bytes)


2017-01-23 18:43

manager   ~0007920

Forum thread:
Replaced attached png with smaller sized jpg in order for better display


2017-04-26 02:43

manager   ~0008766

@NormandC wrote:
Confirmed. The Report view shows this error:
Failed to trim edge: Not able to trim curve with the given index: 0

But this issue has been known for a long time, and there may be existing tickets about it.

OS: Ubuntu 16.04.2 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.10893 (Git)
Build type: None
Branch: master
Hash: a75a98ef279e9e067abf5cef3a6de6f09fba2c94
Python version: 2.7.12
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.1.0


2017-04-26 02:44

manager   ~0008767

Confirming ticket based on NormandC's feedback.
2017-04-26 02:44Kunda1Statusnew => confirmed
2017-04-26 02:44Kunda1Priorityhigh => normal
2017-04-26 02:44Kunda1Product Version => 0.16

Issue History

Date Modified Username Field Change
2016-03-05 15:47 flyhard New Issue
2016-03-05 15:47 flyhard File Added: Graphic summary.png
2017-01-23 18:36 Kunda1 Relationship added related to 0001576
2017-01-23 18:41 Kunda1 File Added: Graphic summary.jpg
2017-01-23 18:41 Kunda1 File Deleted: Graphic summary.png
2017-01-23 18:43 Kunda1 Note Added: 0007920
2017-04-26 02:43 Kunda1 Note Added: 0008766
2017-04-26 02:44 Kunda1 Status new => confirmed
2017-04-26 02:44 Kunda1 Note Added: 0008767
2017-04-26 02:44 Kunda1 Priority high => normal
2017-04-26 02:44 Kunda1 Product Version => 0.16