First time rasterio error

Question

First of all, I am new to python and rasterio. I am trying to open a simple raster with 5 bands using the rasterio module in python. This is what I am trying to achieve:

import rasterio

with rasterio.open('/Users/martinsiklar/Downloads/LC81330242015176LGN00/baikal_subset.tif') as src:
    print(src.width, src.height)
    print(src.count)
    print(src.indexes)
    print(src.dtypes)
    print(src.crs)
    print(src.transform)

Unfortunately I am getting the following Error and I can't really figure out what's wrong. Google didn't help either:

Traceback (most recent call last): File "/Users/martinsiklar/Martin/Python/arcpy/arcpy101", line 3, in with rasterio.open('/Users/martinsiklar/Downloads/LC81330242015176LGN00/baikal_subset.tif') as src: File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/rasterio/init.py", line 105, in open from rasterio._io import RasterReader File "init.pxd", line 155, in init rasterio._io (rasterio/_io.c:49668)

ValueError: numpy.dtype has the wrong size, try recompiling

Process finished with exit code 1

When I take a look into my modules, rasterio seems to be installed properly (as far as I can tell.) The path of the .tif is also correct. I have numpy 1.8 installed.

Answer 1

The error message is showing an ABI incompatibility. You need to upgrade numpy (I suggest testing this out in a virtualenv) as the numpy ABI is not forward compatible.

This means binary extension packages (such as rasterio or pandas) that were compiled against a version of numpy (1.9 for example) will not work with an earlier version of numpy (e.g 1.8 or lower), even if they are API compatible with that earlier version.

While rasterio is API compatible with numpy >=1.8, it will only work with numpy 1.8 if the rasterio binaries (pyd) are compiled against numpy 1.8. If the rasterio binaries were built against numpy 1.9x, they will only work with numpy >= 1.9.

i.e if rasterio is built against numpy 1.8, you can use rasterio with numpy 1.8, 1.9, 1.10 etc. However, if rasterio is built against numpy 1.9, you can't use numpy 1.8, only 1.9, 1.10, etc.