From c6e23713063fe19306c1e7e73f884bd87ca8e66b Mon Sep 17 00:00:00 2001
From: Nicolas Aunai <nicolas.aunai@lpp.polytechnique.fr>
Date: Thu, 2 May 2024 17:08:08 +0200
Subject: [PATCH] udpate readme

---
 README.md | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 77 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 2d4295d..cf2da25 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,95 @@
-# MPMaps
+
+![shearmapmpmaps](https://github.com/LaboratoryOfPlasmaPhysics/mpmaps/assets/3200931/ca8b579e-0435-417b-aeab-0b1306311ecb)
+
+# Magnetopause Maps
 
 [![PyPI](https://img.shields.io/pypi/v/mpmaps)](https://pypi.python.org/pypi/mpmaps)
 [![Tests](https://github.com/LaboratoryOfPlasmaPhysics/mpmaps/actions/workflows/test_main.yml/badge.svg)](https://github.com/LaboratoryOfPlasmaPhysics/mpmaps/actions/workflows/test_main.yml)
 [![Documentation Status](https://readthedocs.org/projects/mpmaps/badge/?version=latest)](https://mpmaps.readthedocs.io/en/latest/?badge=latest)
 [![Coverage Status](https://codecov.io/gh/LaboratoryOfPlasmaPhysics/mpmaps/branch/main/graph/badge.svg?branch=main)](https://codecov.io/gh/LaboratoryOfPlasmaPhysics/mpmaps/branch/main)
 
-mpmaps Plasma Analysis CodE
+MMPaps is a package that allows to compute and plot maps of various physical quantities onto the
+Earth Magnetopause. Maps are computed from in situ measurements only, following the methodology of
+Michotte de Welle et al. 2004
+
 
-![mpmaps](https://user-images.githubusercontent.com/3200931/98716891-978e2180-238c-11eb-9487-07c66221e5bb.png)
+```
+@article{MichottedeWelle2024,
+title={Global environmental constraints on magnetic reconnection at the magnetopause from in-situ measurements},
+DOI={10.22541/essoar.170808382.29449499/v1},
+journal={ESS Open Archive},
+author={Michotte de Welle, B and Aunai, N and Lavraud, B. and Nguyen, G. and Génot, V and Ghisalberti, A. and Jeandet, A. and Smets, R.},
+year={2024}}
+```
 
 
 * Free software: GNU General Public License v3
 * Documentation: https://mpmaps.readthedocs.io.
 
-
 ## Features
 
+### compute a shear angle map
+```python
+import mpmaps
+mpm = mpmaps.MPMap()
+
+# set IMF parameters
+mpm.set_parameters(tilt=12, clock=127, cone = 22, bimf=5)
+
+# compute and retrieve shear angle values for
+# parameters set above
+shear_map_values = mpm.shear_angle()
+
+# now let's make a map for northward IMF
+# other IMF params are default ones
+mpm_north = mpm.MPMap(clock=45)
+shear = mpm_north.shear_angle()
+
+```
+
+### compute reconnection rate map
+
+
+```python
+import mpmaps
+mpm = mpmaps.MPMap()
+
+# set IMF parameters
+mpm.set_parameters(tilt=12, clock=127, cone = 22, bimf=5)
+
+# compute and retrieve rate values for
+# parameters set above
+# by default the reconnection components are computed
+# so that the X line maximizes the Cassak-Shay scaliing law
+# (rec_angle='rate')
+rate_values = mpm.reconnection_rate()
+
+#now same map but with X line locally aligned with the bisection
+rate_values_bisec = mpm.reconnection_rate(rec_angle='bisection')
+
+```
+
+
+### compute the current density map
+
+```python
+
+import mpmaps
+mpm = mpmaps.MPMap()
+
+# set IMF parameters
+mpm.set_parameters(tilt=12, clock=127, cone = 22, bimf=5)
+
+values = mpm.current_density()
+
+
+# default magnetopause thickness is 800km
+# but can be changed
+mpm.set_parameters(mp_thick=800)
+values = mpm.current_density()
+```
+
 
-## TODO
 
 ## Credits