René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"abline() - for drawing arbitrary lines on a plot, given specifications.","articleBody":"It would be really nice to have some function that could draw arbitrarily angled straight lines on a graph, along the lines of [ggplot's abline](http://docs.ggplot2.org/current/geom_abline.html)\n\nfor example, these might be ways to draw infinite lines:\n\n``` python\npl.abline(intercept=0, slope=1)  # 1:1 line from the origin\n\npl. abline(a=[0, 0], b=[1, 1])  # same line as above, using 2 points\n\npl.abline(a=[0, 0], angle=45)  # same line again, using 1 point and an angle\n\npl.abline(a=[0, 0], gradient=1)  # same line again, using 1 point and the gradient\n```\n\nThese are all infinite lines (they extend to the bounds of the graph, regardless of where their specified points lie).\n\nThere are a few questions on stack overflow indicating how popular this might be, eg:\nhttp://stackoverflow.com/questions/22104256/does-matplotlib-have-a-function-for-drawing-diagonal-lines-in-axis-coordinates \n","author":{"url":"https://github.com/naught101","@type":"Person","name":"naught101"},"datePublished":"2015-10-16T08:14:35.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":20},"url":"https://github.com/5253/matplotlib/issues/5253"}