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load_tile_map: Fix the raster band indexing, should start from 1 #3322

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Merged
seisman merged 1 commit into from
Jul 10, 2024
Merged

load_tile_map: Fix the raster band indexing, should start from 1 #3322

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7 changes: 3 additions & 4 deletions pygmt/datasets/tile_map.py
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,7 @@ def load_tile_map(
Frozen({'band': 3, 'y': 256, 'x': 512})
>>> raster.coords # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
Coordinates:
* band (band) uint8 ... 0 1 2
* band (band) uint8 ... 1 2 3
* y (y) float64 ... -7.081e-10 -7.858e+04 ... -1.996e+07 -2.004e+07
* x (x) float64 ... -2.004e+07 -1.996e+07 ... 1.996e+07 2.004e+07
spatial_ref int64 ... 0
Expand All @@ -122,8 +122,7 @@ def load_tile_map(
raise ImportError(
"Package `contextily` is required to be installed to use this function. "
"Please use `python -m pip install contextily` or "
"`mamba install -c conda-forge contextily` "
"to install the package."
"`mamba install -c conda-forge contextily` to install the package."
)

contextily_kwargs = {}
Expand Down Expand Up @@ -158,7 +157,7 @@ def load_tile_map(
dataarray = xr.DataArray(
data=rgb_image,
coords={
"band": np.array(object=[0, 1, 2], dtype=np.uint8), # Red, Green, Blue
"band": np.array(object=[1, 2, 3], dtype=np.uint8), # Red, Green, Blue
"y": np.linspace(start=top, stop=bottom, num=rgb_image.shape[1]),
"x": np.linspace(start=left, stop=right, num=rgb_image.shape[2]),
},
Expand Down