QCAD

QCAD - 2D CAD System.

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Tasklist

FS#1065 - Display artifact with Ray/XLine

Attached to Project: QCAD
Opened by Tamas TEVESZ (kazmer) - Wednesday, 18 June 2014, 23:19 GMT+1
Last edited by Andrew (andrew) - Wednesday, 18 June 2014, 23:48 GMT+1
Task Type Bug Report
Category Main
Status Closed
Assigned To Andrew (andrew)
Operating System All
Severity Low
Priority Normal
Reported Version 3.5.1
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Git d0eaf0, Linux/FreeBSD, Qt 4.8

Start up QCAD, *do not pan or change zoom level*. Draw a Ray or an XLine so that it (its extension, in case of Ray) goes through (0,0) and is 45 degrees (ie. draw y = x).

In this case and this case only, the Ray/XLine will be reduced to a line segment exactly between its start- and end points. It seems that this is only a visual artifact: if you pan or zoom now, the segment will be restored to what it’s supposed to be.

If you change zoom/pan back to what it was at startup, the artifact re-manifests itself.

Some flashes indicate that there are some other positions, not just the initial view, that also bring this up (ie. if you pan to a specific position, artifact appears again; it’s probably deterministic, too, but I can’t seem to be able to stop at that exact point while panning so I could count or something).

This task depends upon

Closed by  Andrew (andrew)
Wednesday, 18 June 2014, 23:48 GMT+1
Reason for closing:  Fixed
Additional comments about closing:  https://github.com/qcad/qcad/commit/15e7 2d6c3b249dc2f708ef7daf75ccc5a08d3823
Comment by Andrew (andrew) - Wednesday, 18 June 2014, 23:48 GMT+1

Thanks for the detailed description!

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