Hover showing lon/lat in meters instead of degrees

[rsignell-usgs]

The simple reproducible code below used to display on the lon/lat correctly in degrees, but now is displaying in meters:

import xarray as xr
import hvplot.xarray
import cartopy.crs as ccrs
import geoviews as gv

url = 'http://thredds.ucar.edu/thredds/dodsC/grib/NCEP/WW3/Global/Best'
ds = xr.open_dataset(url)
mesh = ds.Wind_speed_surface[1,:,:].hvplot(rasterize=True, crs=ccrs.PlateCarree())
gv.tile_sources.OSM * mesh

Is this a bug, an environment issue or a user error?

[rsignell-usgs]

This even simpler example with the xarray test data also has the problem:

import hvplot.xarray
import geoviews as gv
import cartopy.crs as ccrs
import xarray as xr

ds = xr.tutorial.open_dataset('rasm').load()
ds.Tair[0,:,:].hvplot.quadmesh(x='xc', y='yc', rasterize=True, crs=ccrs.PlateCarree())

produces:

[rsignell-usgs]

If I save the notebook as a gist, the hover works correctly:

[rsignell-usgs]

I discovered that downgrading from bokeh=1.2 to bokeh=1.1 did NOT fix the problem.

But downgrading to bokeh=1.0 DID fix the problem, but conda also downgraded most of the holoviz stack:

The following packages will be DOWNGRADED:

  bokeh                                        1.1.0-py37_0 --> 1.0.4-py37_1000
  holoviews                                     1.12.3-py_2 --> 1.11.0-py_0
  hvplot                                         0.4.0-py_1 --> 0.3.0-py_0
  panel                                    0.6.0-h5ca1d4c_0 --> 0.4.0-1

[rsignell-usgs]

@philippjfr , @jbednar, @jlstevens and @jsignell, any chance of getting this fixed before my HoloViz demo here at the ESIP Summer Meeting (Wednesday, July 17, 3:45pm PDT)?

I don't want to have to downgrade (and potentially break things) unless I have to. Thanks!

[jsignell]

Note that the change happened in holoviews between 1.12.1 and 1.12.2. I am moving the issue to that repo.

[rsignell-usgs]

I can confirm that pinning holoviews=1.12.1 in my environment.yml works! Thanks for the workaround, @jsignell.

[rsignell-usgs]

This is fixed in geoviews master.

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