Created
November 19, 2020 22:13
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from numpy.core.fromnumeric import var | |
from numpy.lib.function_base import place | |
import streamlit as st | |
import intake | |
import xarray as xr | |
import cloudpickle | |
import matplotlib.pyplot as plt | |
from collections import defaultdict | |
st.header("Modern `ncview` (of course it's slower!)") | |
url = "gs://vcm-ml-raw/2020-10-19-40-day-unperturbed-C384-to-C48-diagnostics-20170801.00Z/atmos_8xdaily_C384_to_C48.zarr" | |
@st.cache(hash_funcs={xr.Dataset: cloudpickle.dumps}) | |
def open_url(url): | |
return intake.open_zarr(url, consolidated=True).to_dask() | |
url = st.text_input("url", value=url) | |
sliders = st.beta_container() | |
ds = open_url(url) | |
variable = st.selectbox("Variable", list(ds)) | |
cmap = st.selectbox("cmap", [None, | |
'viridis', 'plasma', 'inferno', 'magma', 'cividis', | |
'Greys', 'Purples', 'Blues', 'Greens', 'Oranges', 'Reds', | |
'YlOrBr', 'YlOrRd', 'OrRd', 'PuRd', 'RdPu', 'BuPu', | |
'GnBu', 'PuBu', 'YlGnBu', 'PuBuGn', 'BuGn', 'YlGn', | |
'PiYG', 'PRGn', 'BrBG', 'PuOr', 'RdGy', 'RdBu', | |
'RdYlBu', 'RdYlGn', 'Spectral', 'coolwarm', 'bwr', 'seismic', | |
'default' | |
], index=0) | |
array = ds[variable] | |
col1, col2 = st.beta_columns(2) | |
x_dim = col1.radio("x", list(array.dims)) | |
y_dim = col2.radio("y", list(set(array.dims)- {x_dim})) | |
other_dims = list(set(array.dims) - {x_dim, y_dim}) | |
coords = {} | |
with sliders: | |
for dim in other_dims: | |
coords[dim] = st.slider(dim, 0, len(array[dim])-1) | |
# fig = plot(coords) | |
with sliders: | |
pane = array.isel(coords) | |
pane.plot(x=x_dim, y=y_dim, cmap=cmap) | |
fig = plt.gcf() | |
sliders.pyplot(fig) |
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streamlit | |
xarray | |
zarr | |
intake | |
fsspec | |
intake_xarray | |
gcsfs | |
cloudpickle | |
matplotlib |
Install the dependencies with pip install -r requirement.txt
and run the webapp with steamlit run ncview.py
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Screenshot of how it works: