redim.range doesn't work when using special kdim name

[flothesof]

Hi,
I've recently (in #1717) found out that I can resize the axes ranges of elements like this:

# imports
import holoviews as hv
hv.extension('bokeh')
import numpy as np

# data
t = np.arange(0, 10, 0.1)
x = np.sin(2 * np.pi * .5 * t)

# first plot that works well
c = hv.Curve((t, x), kdims='time')
c.redim.range(time=(0, 5))

Since I want custom units, for instance µseconds, I thought this might work as well if I use kdims='time in µs' and then create a reference to my Dimension instance:

# second plot that doesn't work
c1 = hv.Curve((t, x), kdims='time in µs')
tdim = c1.dimensions()[0]
c1.redim.range(tdim=(0, 5))

However, this simply returns the full curve going from 0 to 10 and not just from 0 to 5.

Am I doing something wrong or is this a bug?

Thanks for your help
Florian

[ahuang11]

# imports
import holoviews as hv
hv.extension('bokeh')
import numpy as np

# data
t = np.arange(0, 10, 0.1)
x = np.sin(2 * np.pi * .5 * t)

# first plot that works well
c = hv.Curve((t, x), kdims=('time', 'time in µs'))  # assign a label to the kdim
c.redim.range(time=(0, 5))  # use the kdim

Or

# imports
import holoviews as hv
hv.extension('bokeh')
import numpy as np

# data
t = np.arange(0, 10, 0.1)
x = np.sin(2 * np.pi * .5 * t)

# first plot that works well
label = 'time in µs'
c = hv.Curve((t, x), kdims=label)  # make the kdim == label
c.redim.range(**{label: (0, 5)})  # use python syntax to unpack dictionary since it has spaces

Or new on master/eventual 1.11

# imports
import holoviews as hv
hv.extension('bokeh')
import numpy as np

# data
t = np.arange(0, 10, 0.1)
x = np.sin(2 * np.pi * .5 * t)

# first plot that works well
label = 'time in µs'
c = hv.Curve((t, x))
c.options(xlabel=label)  # override the existing label

I think the FAQ will be updated soon with v1.11
https://github.com/ioam/holoviews/blob/master/doc/FAQ.rst

[xavArtley]

@flothesof
Your code was almost valid :

# second plot that doesn't work
c1 = hv.Curve((t, x), kdims='time in µs')
tdim = c1.dimensions()[0]
tdim.range = (0,5) #c1.redim.range(tdim=(0, 5))
c1

would have done the trick

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