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LGTM. Thanks @fmaussion. I had noticed this was broken but hadn't figured out why yet. |
shoyer
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Feb 2, 2018
| da = xr.open_rasterio('RGB.byte.tif') | ||
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| # Normalize the image | ||
| da = da / 255 |
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I don't think this is strictly necessary with RGB support in imshow, though I suppose it doesn't hurt.
doc/gallery/plot_rasterio_rgb.py
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| # Plot on a map | ||
| ax = plt.subplot(projection=crs) | ||
| da.plot.imshow(ax=ax, transform=crs) |
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For pedagogical purposes, it might be nice to explicitly write rga='band'.
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OK, LGTM
…On Fri, Feb 2, 2018 at 10:57 AM Fabien Maussion ***@***.***> wrote:
***@***.**** commented on this pull request.
------------------------------
In doc/gallery/plot_rasterio_rgb.py
<#1881 (comment)>:
> +
+import os
+import urllib.request
+import xarray as xr
+import cartopy.crs as ccrs
+import matplotlib.pyplot as plt
+
+# Download the file from rasterio's repository
+url = 'https://github.com/mapbox/rasterio/raw/master/tests/data/RGB.byte.tif'
+urllib.request.urlretrieve(url, 'RGB.byte.tif')
+
+# Read the data
+da = xr.open_rasterio('RGB.byte.tif')
+
+# Normalize the image
+da = da / 255
That's unfortunately necessary, see #1880
<#1880>
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#1796 introduced a bug in the doc gallery. This PR reverts the code to the previous greyscale example and adds a new case using imshow (the use case is different, as I tried to explain in the descriptions).
I also took care of #1789 (comment) : the docs should now build even when rasterio is not installed.
cc @Zac-HD , @shoyer