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Last change
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PLANETOPLOT v2
- Spiga LMD/UPMC 24/03/2013
Contents
core
- ppclass.py --> main class with pp() objects (need ppplot and ppcompute)
- ppplot.py --> plot class (can be used independently, need ppcompute)
- ppcompute.py --> computation class (can be used independently)
scripts
- pp.py --> command line utility to use ppclass
- pp_reload.py --> command line utility to load saved plot objects *.ppobj
- example/* --> example scripts using ppclass
settings files
- set_area.txt --> setting file: predefined areas for plotting (can be omitted)
- set_back.txt --> setting file: predefined backgrounds for plotting (can be omitted)
- set_multiplot.txt --> setting file: predefined coefficients for multiplots (can be omitted)
- set_ppclass.txt --> setting file: predefined variables for x,y,z,t (can be omitted)
- set_var.txt --> setting file: predefined colorbars, format, labels, etc... for variables (can be omitted)
documentation
- README.TXT --> this README file
data
- demo_data/* --> plot objects for a demonstration tour and customizing tests
Requirements
python + numpy + matplotlib + netCDF4
- for mapping --> Basemap
- for scientific computations --> scipy
[recommended: Enthought Python Distribution (free for academics)]
Installation
- install required softwares and librairies in requirements
- add planetoplot_v2 in your PYTHONPATH environment variable (and in your PATH to use pp.py)
Take a demo tour
pp_reload.py demo_data/*
Improvements compared to v1
- code readability and structuration for future improvements
- modularity (class formulation)
+ easy definition/addition of attributes
- separation between data retrieval and plotting
- versatility
+ command line (pp.py)
--> for quick inspection
+ interactive session (ipython)
--> for testing and exploring
+ scripts
--> for powerful and fully customized results
- performance (overall and on large files)
+ memory consumption (only retrieve what is needed)
- saving/loading plot objects in/from *.ppobj
- plot aesthetics and customizing (see header in ppplot)
- multiplot flexibility with .plotin attribute
- easy definition of presets with set_*.txt files
- function: one field vs. another one
- emulation of + - / * operations on fields
(between two fields or between a field and a int/float)
- computations of min/max in addition to mean
- simple inspection of dimensions+variables in a file (pp.py -f file)
- verbose / non verbose mode
Acknowledgements
Thanks to A. Colaitis, T. Navarro, J. Leconte
for feedbacks and contributions on version 1
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| 1 | #! /usr/bin/env python |
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| 2 | from ppclass import pp |
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| 3 | |
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| 4 | # we define a "planetoplot" object |
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| 5 | u = pp() |
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| 6 | |
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| 7 | # we define its attributes |
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| 8 | u.file = "/home/aymeric/Big_Data/DATAPLOT/diagfired.nc" |
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| 9 | u.var = "u" |
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| 10 | u.t = "0.5" #NB: also works without quotes |
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| 11 | u.z = "10" #NB: also works without quotes |
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| 12 | |
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| 13 | # we get data |
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| 14 | u.get() |
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| 15 | |
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| 16 | ## we smooth the field a little bit |
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| 17 | #u.smooth(15) |
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| 18 | |
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| 19 | # we define the plot, then set a few personal stuff |
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| 20 | u.defineplot() |
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| 21 | u.p[0].title = "This is what we name $u$ (m s$^{-1}$)" |
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| 22 | u.p[0].proj = "robin" |
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| 23 | |
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| 24 | # we plot |
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| 25 | u.makeplot() |
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| 26 | |
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| 27 | # we simply change the colorbar |
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| 28 | # ... no need to reload data |
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| 29 | u.p[0].colorb = "RdBu" |
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| 30 | u.makeplot() |
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| 31 | |
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| 32 | # we remove map projection |
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| 33 | # ... idem, no need to reload data |
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| 34 | # ... but have to redefine plot |
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| 35 | u.noproj = True |
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| 36 | u.defineplot() |
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| 37 | u.makeplot() |
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| 38 | |
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| 39 | # we multiply the field by two |
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| 40 | # ... and redefine+remake the plot |
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| 41 | u = u * 2. |
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| 42 | u.defineplot() |
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| 43 | u.makeplot() |
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