This removes a visual bug, shown in the attachment. In this visualization, short arrows go past where they should end. And one arrow is plotted with length zero, which seems to result in a vertical line. This PR just avoids plotting any arrows until there is enough space for them in the plot (second screenshot).
This removes a visual bug, shown in the attachment. In this visualization, short arrows go past where they should end. And one arrow is plotted with length zero, which seems to result in a vertical line. This PR just avoids plotting any arrows until there is enough space for them in the plot (second screenshot).