Reverse axis in python bokeh

Question

I am trying to reverse the y axis and set range for both x and y in a Bokeh scatter plot. I am using:

BokehPlot.bokeh_scatter(data=df, x_range=(min_utc, max_utc), y_range=(min_val, max_val))

I get an error:

TypeError: bokeh_scatter() got an unexpected keyword argument 'x_range'

Any idea how axes can be reversed in a Bokeh scatterplot with a pandas dataframe input

There is no function bokeh_scatter in all of the Bokeh library. Are you using some wrapper library around Bokeh? Please provide more information, and more complete code. — bigreddot
– bigreddot, Commented Oct 29, 2016 at 14:47
Now I feel pretty dumb, I was calling one of my own classes and methods.. I even had the code to set the range in the method. I'll self answer this — Don Smythe
– Don Smythe, Commented Oct 29, 2016 at 14:52

Jadrian Miles · Accepted Answer · 2019-08-15 16:27:37Z

If you don't set explicit bounds on your axis, its range will be a DataRange1d, with bounds automatically computed from whatever you plot. In this case, setting the range's flipped attribute will flip it without requiring you to set explicit bounds:

from bokeh.plotting import figure, show fig = figure() # Do some plotting calls with fig... fig.y_range.flipped = True show(fig)

If you want to set explicit bounds, see this answer on another question. As Don Smythe's answer mentions, you can set the bounds in reverse order to invert any axis type.

Community · Accepted Answer · 2019-08-14 23:16:44Z

The following will flip the y-axis for a scatter plot.

p = figure() xmin = data[xval].min() xmax = data[xval].max() ymin = data[yval].min() ymax = data[yval].max() # Note that ymin and ymax are in reverse order in y_range. p.scatter(xval, yval, x_range=(xmin, xmax), y_range=(ymax, ymin)) show(p)

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