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[FIX] MDS Widget: Fix zero length line, gray square bug#1670

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kernc merged 1 commit intobiolab:masterfrom
ales-erjavec:mds-null-line
Oct 17, 2016
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[FIX] MDS Widget: Fix zero length line, gray square bug#1670
kernc merged 1 commit intobiolab:masterfrom
ales-erjavec:mds-null-line

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Filter out QGraphicsLineItem with zero length. When using the Qt's
raster graphics system they cause bad rendering artifacts.

Fixes gh-1668

Filter out QGraphicsLineItem with zero length. When using the Qt's
raster graphics system they cause bad rendering artifacts.

Fixes biolabgh-1668
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I can only duplicate the bug (gh-1668) on OSX if I set the QT_GRAPHICSSYSTEM=raster env variable when running orange. Please check that this fix also works on Windows.

@kernc kernc changed the title MDS Widget: Fix a zero lenght line rendering bug [FIX] MDS Widget: Fix zero length line, gray square bug Oct 17, 2016
@kernc kernc merged commit f11c39b into biolab:master Oct 17, 2016
@astaric astaric modified the milestone: 3.3.9 Nov 28, 2016
@ales-erjavec ales-erjavec deleted the mds-null-line branch January 27, 2017 10:40
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MDS: faulty visualization with 'similar pairs' option

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