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other:python:jyp_steps [2018/08/01 09:47] jypeter [Quick Reference] Added a python 3 quick ref that looked nice |
other:python:jyp_steps [2018/08/24 08:25] jypeter [Extra numpy information] Added an example |
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[20, 21, -1, -1, 24, 25, 26, 27, 28, 29]]) | [20, 21, -1, -1, 24, 25, 26, 27, 28, 29]]) | ||
</code></note> | </code></note> | ||
+ | |||
+ | ==== Extra numpy information ==== | ||
+ | |||
+ | * More information about array indexing: | ||
+ | * Examples: | ||
+ | * {{ :other:python:indirect_indexing_2.py.txt |}}: Take a vertical slice in a 3D zyx array, along a varying y 'path' | ||
+ | * [[https://docs.scipy.org/doc/numpy/user/basics.indexing.html|Indexing]] (//index arrays//, //boolean index arrays//, //np.newaxis//, //Ellipsis//, //variable numbers of indices//, ...) | ||
+ | * [[https://docs.scipy.org/doc/numpy/user/quickstart.html#fancy-indexing-and-index-tricks|Fancy indexing]] and [[https://docs.scipy.org/doc/numpy/user/quickstart.html#the-ix-function|the ix_() function]] | ||
+ | * [[https://docs.scipy.org/doc/numpy/reference/arrays.indexing.html|Indexing (in the numpy reference manual)]] | ||
+ | * [[https://docs.scipy.org/doc/numpy/reference/routines.indexing.html#routines-indexing|Indexing routines]] | ||
+ | * [[https://docs.scipy.org/doc/numpy/user/misc.html#ieee-754-floating-point-special-values|Dealing with special numerical values]] (//Nan//, //inf//) | ||
+ | * If you know that your data has missing values, it is cleaner and safer to handle them with masks | ||
+ | * [[https://docs.scipy.org/doc/numpy/user/misc.html#how-numpy-handles-numerical-exceptions|Handling numerical exceptions]] | ||
===== cdms2 and netCDF4 ===== | ===== cdms2 and netCDF4 ===== | ||
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Help on //stack overflow//: [[https://stackoverflow.com/questions/tagged/cartopy|cartopy help]] | Help on //stack overflow//: [[https://stackoverflow.com/questions/tagged/cartopy|cartopy help]] | ||
+ | |||
+ | ===== Maps and projections resources ===== | ||
+ | |||
+ | ==== About projections ==== | ||
+ | |||
+ | * [[https://egsc.usgs.gov/isb//pubs/MapProjections/projections.html|Map projections from USGS poster]] | ||
+ | * [[https://pubs.usgs.gov/pp/1395/report.pdf|Map projections - A working manual (USGS)]] | ||
+ | |||
+ | ==== Libraries ==== | ||
+ | |||
+ | * Projections in vcs | ||
+ | * [[http://matplotlib.org/basemap/users/mapsetup.html|Projections in basemap]] | ||
+ | * [[https://scitools.org.uk/cartopy/docs/latest/crs/projections.html|Projections in cartopy]] | ||
+ | |||
===== 3D resources ===== | ===== 3D resources ===== |