5b58ab5c45be8923e5d74e3bc84101be1ad13066,Orange/widgets/unsupervised/owmds.py,OWMDS,_setup_plot,#OWMDS#,749

Before Change

                fpairs[1::2] = indcs[1][sorted]
            for i in range(int(len(emb_x[self._similar_pairs]) / 2)):
                item = QGraphicsLineItem(
                    emb_x[self._similar_pairs][i * 2],
                    emb_y[self._similar_pairs][i * 2],
                    emb_x[self._similar_pairs][i * 2 + 1],
                    emb_y[self._similar_pairs][i * 2 + 1]

After Change

            // Null (zero length) line causes bad rendering artifacts
            // in Qt when using the raster graphics system (see gh-issue: 1668).
            (x1, x2), (y1, y2) = (emb_x_pairs.T, emb_y_pairs.T)
            pairs_mask = ~(numpy.isclose(x1, x2) & numpy.isclose(y1, y2))
            emb_x_pairs = emb_x_pairs[pairs_mask, :]
            emb_y_pairs = emb_y_pairs[pairs_mask, :]

            curve = pg.PlotCurveItem(
                emb_x_pairs.ravel(), emb_y_pairs.ravel(),
                pen=pg.mkPen(0.8, width=2, cosmetic=True),
                connect="pairs", antialias=True)
            self.plot.addItem(curve)

        data = numpy.arange(size)
        self._scatter_item = item = ScatterPlotItem(

Instances