issues: 302679890
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| id | node_id | number | title | user | state | locked | assignee | milestone | comments | created_at | updated_at | closed_at | author_association | active_lock_reason | draft | pull_request | body | reactions | performed_via_github_app | state_reason | repo | type |
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| 302679890 | MDU6SXNzdWUzMDI2Nzk4OTA= | 1966 | imshow should work with third dimension of len 1 | 10050469 | closed | 0 | 2 | 2018-03-06T12:22:57Z | 2018-03-08T23:51:45Z | 2018-03-08T23:51:45Z | MEMBER | Code Sample, a copy-pastable example if possible```python import xarray as xr import numpy as np da = xr.DataArray(np.arange(9).reshape((1, 3, 3))) da.plot() # works da.plot.imshow() # fails ``` Error log:
```
/home/mowglie/Documents/git/xarray/xarray/plot/utils.py:295: UserWarning: Several dimensions of this array could be colors. Xarray will use the last possible dimension ('dim_2') to match matplotlib.pyplot.imshow. You can pass names of x, y, and/or rgb dimensions to override this guess.
'and/or rgb dimensions to override this guess.' % rgb)
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-7-a0592d3e8758> in <module>()
----> 1 da.plot.imshow()
~/Documents/git/xarray/xarray/plot/plot.py in plotmethod(_PlotMethods_obj, x, y, figsize, size, aspect, ax, row, col, col_wrap, xincrease, yincrease, add_colorbar, add_labels, vmin, vmax, cmap, colors, center, robust, extend, levels, infer_intervals, subplot_kws, cbar_ax, cbar_kwargs, **kwargs)
679 for arg in ['_PlotMethods_obj', 'newplotfunc', 'kwargs']:
680 del allargs[arg]
--> 681 return newplotfunc(**allargs)
682
683 # Add to class _PlotMethods
~/Documents/git/xarray/xarray/plot/plot.py in newplotfunc(darray, x, y, figsize, size, aspect, ax, row, col, col_wrap, xincrease, yincrease, add_colorbar, add_labels, vmin, vmax, cmap, center, robust, extend, levels, infer_intervals, colors, subplot_kws, cbar_ax, cbar_kwargs, **kwargs)
553 rgb = kwargs.pop('rgb', None)
554 xlab, ylab = _infer_xy_labels(
--> 555 darray=darray, x=x, y=y, imshow=imshow_rgb, rgb=rgb)
556
557 if rgb is not None and plotfunc.__name__ != 'imshow':
~/Documents/git/xarray/xarray/plot/utils.py in _infer_xy_labels(darray, x, y, imshow, rgb)
308 assert x is None or x != y
309 if imshow and darray.ndim == 3:
--> 310 return _infer_xy_labels_3d(darray, x, y, rgb)
311
312 if x is None and y is None:
~/Documents/git/xarray/xarray/plot/utils.py in _infer_xy_labels_3d(darray, x, y, rgb)
297
298 # Finally, we pick out the red slice and delegate to the 2D version:
--> 299 return _infer_xy_labels(darray.isel(**{rgb: 0}).squeeze(), x, y)
300
301
~/Documents/git/xarray/xarray/plot/utils.py in _infer_xy_labels(darray, x, y, imshow, rgb)
312 if x is None and y is None:
313 if darray.ndim != 2:
--> 314 raise ValueError('DataArray must be 2d')
315 y, x = darray.dims
316 elif x is None:
ValueError: DataArray must be 2d
```
|
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completed | 13221727 | issue |