Comments (10)
milesbodmer
commented on June 13, 2024
I am encountering a similar issue when trying to run the demo codes using binder.
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benbovy
commented on June 13, 2024
I'm pretty sure it's caused by a compatibility issue between xarray-simlab and xarray 0.14.1. It has been fixed in https://github.com/benbovy/xarray-simlab/pull/69, but I'm gonna pin xarray for the fastscape demo environment until xarray-simlab 0.4 is released.
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benbovy
commented on June 13, 2024
It should work if you downgrade xarray to 0.14.0 in your environment.
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benbovy
commented on June 13, 2024
Temporarily fixed in fastscape-lem/fastscape-demo@61dd54d
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milesbodmer
commented on June 13, 2024
Hi Benoit,
Thank you for your quick reply. I tested things out and they seem to be
working for me correctly now.
Thanks!
…On Tue, Jan 28, 2020 at 12:50 AM Benoit Bovy ***@***.***> wrote:
Closed #12 <#12>.
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milesbodmer
commented on June 13, 2024
Hi Benoit,
A related question. When running scripts using Binder or the
environment (with the compatible xarray), routines using hvplot appear to
fail. The code and error are below from the margin script.
Thank you.
*import hvplot.xarrayimport holoviews as hvfrom xshade import
hillshadess_ratio_plot = out_ds.marine__ss_ratio_sea.hvplot.image(
x='x', y='y', clim=(0, 1), width=550, height=350,
cmap=plt.cm.viridis_r, groupby='out')hillshade_plot =
hillshade(out_ds, 'out').hvplot.image( x='x', y='y',
cmap=plt.cm.gray, alpha=0.7, colorbar=False, hover=False,
groupby='out')ysections = out_ds.topography__elevation.sel(y=[2.5e4,
5e4, 7.5e4])sections_plot = ysections.hvplot.line( by='y',
groupby='out', ylim=(-1e3, 1e3), width=550, height=200,
legend='top_left',)hv.Layout((ss_ratio_plot * hillshade_plot) +
sections_plot).cols(1)*
…---------------------------------------------------------------------------AttributeError
Traceback (most recent call
last)<ipython-input-10-76132cbb0d74> in <module> 10 ) 11 --->
12 hillshade_plot = hillshade(out_ds, 'out').hvplot.image( 13
x='x', y='y', cmap=plt.cm.gray, alpha=0.7, 14 colorbar=False,
hover=False, groupby='out'
~/examples/xshade.py in hillshade(ds, groupby, elev_var, **kwargs)
7 if groupby is not None: 8 hshade =
elev.groupby(groupby).apply(dgeo.hillshade, shortcut=True,----> 9
**kwargs) 10 else:
11 hshade = dgeo.hillshade(elev, shortcut=True, **kwargs)
/srv/conda/envs/notebook/lib/python3.7/site-packages/xarray/core/groupby.py
in apply(self, func, shortcut, args, **kwargs) 680
grouped = self._iter_grouped() 681 applied =
(maybe_wrap_array(arr, func(arr, *args, **kwargs)) for arr in
grouped)--> 682 return self._combine(applied,
shortcut=shortcut) 683 684 def _combine(self, applied,
restore_coord_dims=False, shortcut=False):
/srv/conda/envs/notebook/lib/python3.7/site-packages/xarray/core/groupby.py
in _combine(self, applied, restore_coord_dims, shortcut) 684
def _combine(self, applied, restore_coord_dims=False, shortcut=False):
685 """Recombine the applied objects like the
original."""--> 686 applied_example, applied =
peek_at(applied) 687 coord, dim, positions =
self._infer_concat_args(applied_example) 688 if shortcut:
/srv/conda/envs/notebook/lib/python3.7/site-packages/xarray/core/utils.py
in peek_at(iterable) 178 """ 179 gen = iter(iterable)-->
180 peek = next(gen) 181 return peek,
itertools.chain([peek], gen) 182
/srv/conda/envs/notebook/lib/python3.7/site-packages/xarray/core/groupby.py
in <genexpr>(.0) 679 else: 680 grouped =
self._iter_grouped()--> 681 applied = (maybe_wrap_array(arr,
func(arr, *args, **kwargs)) for arr in grouped) 682 return
self._combine(applied, shortcut=shortcut) 683
/srv/conda/envs/notebook/lib/python3.7/site-packages/datashader/geo.py
in hillshade(agg, azimuth, angle_altitude) 60 shaded =
np.sin(altituderad) * np.sin(slope) + np.cos(altituderad) *
np.cos(slope)*np.cos((azimuthrad - np.pi/2.) - aspect) 61 data
= (shaded + 1) / 2---> 62 return DataArray(data, name='hillshade',
dims=agg.dims, coords=agg.coords, attrs=agg.attrs) 63 64
AttributeError: 'Variable' object has no attribute 'coords'
On Wed, Jan 29, 2020 at 12:39 PM miles bodmer ***@***.***> wrote:
Hi Benoit,
Thank you for your quick reply. I tested things out and they seem to be
working for me correctly now.
Thanks!
On Tue, Jan 28, 2020 at 12:50 AM Benoit Bovy ***@***.***>
wrote:
> Closed #12 <#12>.
>
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> or unsubscribe
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benbovy
commented on June 13, 2024
I see, it's because of a recent change in datashader. I'll fix this.
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benbovy
commented on June 13, 2024
Fixed in fastscape-lem/fastscape-demo@105c850
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milesbodmer
commented on June 13, 2024
Hello Benoit,
Sorry to bother you again and thanks for all the help so far. I have
2 colleagues attempting to use FastScape on PCs. They are both encountering
the same error when trying to install the required dependencies. They are
trying to load the demo environment using the updated .yml file. Attached
below is a screenshot of the error message. Any help with this would be
greatly appreciated.
Thanks.
[image: Error.PNG]
…On Thu, Jan 30, 2020 at 1:39 AM Benoit Bovy ***@***.***> wrote:
Fixed in ***@***.***
<fastscape-lem/fastscape-demo@105c850>
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benbovy
commented on June 13, 2024
I can't see the attached screenshot, but I guess the error message says something like "fastscapelib-f2py not found". fastscapelib-f2py is a dependency of fastscape, but it has is no conda package yet on Windows (hopefully soon when the next release of scikit-build will be available).
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Related Issues (16)
- Proper initialization of out variables everywhere?
- Xarray-simlab 0.4 related updates
- Landlab bridge
- using the C++ library HOT 1
- Problem with bc HOT 2
- grid__area computed value is wrong
- FlowAccumulator: add an area on-demand variable
- cross-batch runs not working HOT 6
- Issue installing fastscape HOT 2
- Marine component inconsistent parameters
- Causes of slower execution compared to fatscapelib-fortran low-level API
- Add xsimlab process for steady-state moutain initial topography
- Split the marine transport / deposition process into several ones
- Check that all array dtypes match with those defined in fortran
- FlowAccumulator process missing in docs (API) HOT 2
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