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FS#959 - Trimming two lines which already meet causes both to disappear after saving

Attached to Project: QCAD
Opened by Theran (theran_) - Monday, 28 October 2013, 02:10 GMT+1
Last edited by Andrew (andrew) - Monday, 28 October 2013, 09:47 GMT+1
Task Type Bug Report
Category QCAD (main)
Status Closed
Assigned To Andrew (andrew)
Operating System Windows 7
Severity Low
Priority Normal
Reported Version 3.4.2
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No


If I “Trim Both” a pair of lines which already meet, then neither line changes appearance on screen (as expected). However, after saving and reloading the file, both lines are now missing.

To reproduce:

  1. Create a new drawing
  2. Draw a 10×10 square
  3. Save the drawing
  4. Close and reopen. The square shows up as expected.
  5. Use the Trim Both tool on a pair of lines meeting at one of the corners. No change in the display.
  6. Save the drawing
  7. Close and reopen. The lines used in step 5. have disappeared.

If one or both of the lines changes length, either lengthened or shortened, then the changed line is preserved.

Build information:

Version: (3.4.2)
Build Date: Oct 25 2013
Qt Version: 4.7.4
Compiler: MSVC++ 10.0 (2010)

Running on Windows 7 64-bit.

This task depends upon

Closed by  Andrew (andrew)
Monday, 28 October 2013, 09:47 GMT+1
Reason for closing:  Fixed
Additional comments about closing:  https://github.com/qcad/qcad/commit/6c8e 577507d3d7f18180b59fcd1369c22e6ae903
Comment by Andrew (andrew) - Monday, 28 October 2013, 09:00 GMT+1

Additional information: affects QCAD Community Edition only (saving with dxflib).