.. automodule:: pysptools.distance

Distance Functions
******************

This module supports functions to calculate the distance between two vectors. These distances are supported:

* `Chebychev`_
* `Normalized Cross Correlation (NormXCorr)`_
* `Spectral Angle Mapper (SAM)`_
* `Spectral Information Divergence (SID)`_

Chebychev
==========

.. autofunction:: pysptools.distance.chebyshev

Normalized Cross Correlation (NormXCorr)
=========================================

.. autofunction:: pysptools.distance.NormXCorr

Spectral Angle Mapper (SAM)
===========================

.. autofunction:: pysptools.distance.SAM

Spectral Information Divergence (SID)
=======================================

.. autofunction:: pysptools.distance.SID