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Introduction | ||
============ | ||
|
||
The *Stoner* Python package is a set of utility classes for writing data | ||
analysis code. It was written within the Condensed Matter Physics group | ||
at the University of Leeds as a shared resource for quickly writing | ||
simple programs to do things like fitting functions to data, extract | ||
curve parameters and churn through large numbers of small text data | ||
files. | ||
|
||
For a general introduction, users are referred to the Users Guide, which | ||
is part of the [online documentation](http://pythonhosted.org/Stoner/) | ||
along with the API Reference guide. The [github | ||
repository](http://www.github.com/gb119/Stoner-PythonCode/) also | ||
contains some example scripts. | ||
|
||
Getting this Code | ||
================= | ||
|
||
The *Stoner* package requires numpy \>=1.8, scipy \>=0.14, matplotlib | ||
\>=1.4, h5py, numba lmfit and blist. Experimental code also makes use of | ||
the Enthought Tools Suite packages. | ||
|
||
Ananconda Python (and probably other scientific Python distributions) | ||
include nearly all of the dependencies, aprt from lmfit. However, this | ||
can by installed with the usual tools such as *easy\_install* or *pip*. | ||
|
||
``` {.sourceCode .sh} | ||
easy_install lmfit | ||
``` | ||
|
||
The easiest way to install the Stoner package is via seuptools' | ||
easy\_install | ||
|
||
``` {.sourceCode .sh} | ||
easy_install Stoner | ||
``` | ||
|
||
This will install the Stoner package and any missing dependencies into | ||
your current Python environment. Since the package is under fairly | ||
constant updates, you might want to follow the development with git. The | ||
source code, along with example scripts and some sample data files can | ||
be obtained from the github repository: | ||
<https://github.com/gb119/Stoner-PythonCode> | ||
|
||
The codebase is largely compatible with Python 3.4, with the expception | ||
of the 3D vector map plots which make use of Enthought's *mayavi* | ||
package which is still only Python 2 compatible due to the underlying | ||
Vtk toolkit. Other issues of broken 3.4 code are bugs to be squashed. | ||
|
||
Overview | ||
======== | ||
|
||
The **Stoner** package provides two basic top-level classes that | ||
describe an individual file of experimental data and a list (such as a | ||
directory tree on disc) of many experimental files. For our research, a | ||
typical single experimental data file is essentially a single 2D table | ||
of floating point numbers with associated metadata, usually saved in | ||
some ASCII text format. This seems to cover most experiments in the | ||
physical sciences, but it you need a more complex format with more | ||
dimensions of data, we suggest you look elsewhere. | ||
|
||
DataFile and Friends | ||
-------------------- | ||
|
||
**Stoner.Core.DataFile** is the base class for representing individual | ||
experimental data sets. It provides basic methods to examine and | ||
manipulate data, manage metadata and load and save data files. It has a | ||
large number of sub classes - most of these are in Stoner.FileFormats | ||
and are used to handle the loading of specific file formats. Two, | ||
however, contain additional functionality for writing analysis programs. | ||
|
||
- **Stoner.Analysis.AnalyseFile** provides additional methods for curve-fitting, differentiating, smoothing and carrying out | ||
: basic calculations on data. | ||
|
||
- **Stoner.Plot.PlotFile** provides additional routines for plotting | ||
data on 2D or 3D plots. | ||
|
||
As mentioned above, there are subclasses of **DataFile** in the | ||
**Stoner.FileFormats** module that support loading many of the common | ||
file formats used in our research. | ||
|
||
For rapid development of small scripts, we would recommend the | ||
**Stoner.Data** class which is a superclass of the above, and provides a | ||
'kitchen-sink' one stop shop for most of the package's functionality. | ||
|
||
DataFolder | ||
---------- | ||
|
||
**Stoner.Folders.DataFolder** is a class for assisting with the work of | ||
processing lots of files in a common directory structure. It provides | ||
methods to list. filter and group data according to filename patterns or | ||
metadata and then to execute a function on each file or group of files. | ||
|
||
The **Stoner.HDF5** module provides some experimental classes to | ||
manipulate *DataFile* and *DataFolder* objects within HDF5 format files. | ||
These are not a way to handle arbitary HDF5 files - the format is much | ||
to complex and flexible to make that an easy task, rather it is a way to | ||
work with large numbers of experimental sets using just a single file | ||
which may be less brutal to your computer's OS than having directory | ||
trees with millions of individual files. | ||
|
||
Resources | ||
========= | ||
|
||
Included in the [github | ||
repository](http://www.github.com/gb119/Stoner-PythonCode/) are a | ||
(small) collection of sample scripts for carrying out various operations | ||
and some sample data files for testing the loading and processing of | ||
data. There is also a User\_Guide as part of this documentation, along | ||
with a complete API reference \<Stoner\> | ||
|
||
Contact and Licensing | ||
===================== | ||
|
||
The lead developer for this code is [Dr Gavin | ||
Burnell](http://www.stoner.leeds.ac.uk/people/gb) | ||
\<<g.burnell@leeds.ac.uk>\> . The User Guide gives the current list of | ||
other contributors to the project. | ||
|
||
This code and the sample data are all (C) The University of Leeds | ||
2008-2015 unless otherwise indficated in the source file. The contents | ||
of this package are licensed under the terms of the GNU Public License | ||
v3 | ||
|
||
Recent Changes | ||
============== | ||
|
||
Development Version | ||
------------------- | ||
|
||
The current development version is 0.6. This features some major changes | ||
in the architecture, switching from a numpy MaskedArray as the main data | ||
store to a custom sub-class that contains most of the logic for indexing | ||
data by column name and designation. The metadata storage has also been | ||
switched to using blist.sortteddict for a fast, alphabetically ordered | ||
dictionary storage. Other underlying changes are a switch to using | ||
properties rather than straight attribute access. | ||
|
||
0.6 also adds some extra methods to AnalyseFile for extrapolation. | ||
|
||
Online documentation for the development version can be found on the | ||
[githib repository pages](http://gb119.github.io/Stoner-PythonCode) | ||
|
||
[![image](https://zenodo.org/badge/17265/gb119/Stoner-PythonCode.svg)](https://zenodo.org/badge/latestdoi/17265/gb119/Stoner-PythonCode) | ||
|
||
Stable Version | ||
-------------- | ||
|
||
The development version is now in beta release and so no further relases | ||
will be made to the current stable release (0.5). | ||
Introduction | ||
============ | ||
|
||
The *Stoner* Python package is a set of utility classes for writing data | ||
analysis code. It was written within the Condensed Matter Physics group | ||
at the University of Leeds as a shared resource for quickly writing | ||
simple programs to do things like fitting functions to data, extract | ||
curve parameters and churn through large numbers of small text data | ||
files. | ||
|
||
For a general introduction, users are referred to the Users Guide, which | ||
is part of the [online documentation](http://pythonhosted.org/Stoner/) | ||
along with the API Reference guide. The [github | ||
repository](http://www.github.com/gb119/Stoner-PythonCode/) also | ||
contains some example scripts. | ||
|
||
Getting this Code | ||
================= | ||
|
||
The *Stoner* package requires numpy \>=1.8, scipy \>=0.14, matplotlib | ||
\>=1.4, h5py, numba lmfit, filemagic, and blist. Experimental code also | ||
makes use of the Enthought Tools Suite packages. | ||
|
||
Ananconda Python (and probably other scientific Python distributions) | ||
include nearly all of the dependencies, aprt from lmfit. However, this | ||
can by installed with the usual tools such as *easy\_install* or *pip*. | ||
|
||
~~~~ {.sourceCode .sh} | ||
easy_install lmfit | ||
~~~~ | ||
|
||
The easiest way to install the Stoner package is via seuptools' | ||
easy\_install | ||
|
||
~~~~ {.sourceCode .sh} | ||
easy_install Stoner | ||
~~~~ | ||
|
||
This will install the Stoner package and any missing dependencies into | ||
your current Python environment. Since the package is under fairly | ||
constant updates, you might want to follow the development with git. The | ||
source code, along with example scripts and some sample data files can | ||
be obtained from the github repository: | ||
<https://github.com/gb119/Stoner-PythonCode> | ||
|
||
The codebase is largely compatible with Python 3.4, with the expception | ||
of the 3D vector map plots which make use of Enthought's *mayavi* | ||
package which is still only Python 2 compatible due to the underlying | ||
Vtk toolkit. Other issues of broken 3.4 code are bugs to be squashed. | ||
|
||
Overview | ||
======== | ||
|
||
The **Stoner** package provides two basic top-level classes that | ||
describe an individual file of experimental data and a list (such as a | ||
directory tree on disc) of many experimental files. For our research, a | ||
typical single experimental data file is essentially a single 2D table | ||
of floating point numbers with associated metadata, usually saved in | ||
some ASCII text format. This seems to cover most experiments in the | ||
physical sciences, but it you need a more complex format with more | ||
dimensions of data, we suggest you look elsewhere. | ||
|
||
DataFile and Friends | ||
-------------------- | ||
|
||
**Stoner.Core.DataFile** is the base class for representing individual | ||
experimental data sets. It provides basic methods to examine and | ||
manipulate data, manage metadata and load and save data files. It has a | ||
large number of sub classes - most of these are in Stoner.FileFormats | ||
and are used to handle the loading of specific file formats. Two, | ||
however, contain additional functionality for writing analysis programs. | ||
|
||
- **Stoner.Analysis.AnalyseFile** provides additional methods for curve-fitting, differentiating, smoothing and carrying out | ||
: basic calculations on data. | ||
|
||
- **Stoner.Plot.PlotFile** provides additional routines for plotting | ||
data on 2D or 3D plots. | ||
|
||
As mentioned above, there are subclasses of **DataFile** in the | ||
**Stoner.FileFormats** module that support loading many of the common | ||
file formats used in our research. | ||
|
||
For rapid development of small scripts, we would recommend the | ||
**Stoner.Data** class which is a superclass of the above, and provides a | ||
'kitchen-sink' one stop shop for most of the package's functionality. | ||
|
||
DataFolder | ||
---------- | ||
|
||
**Stoner.Folders.DataFolder** is a class for assisting with the work of | ||
processing lots of files in a common directory structure. It provides | ||
methods to list. filter and group data according to filename patterns or | ||
metadata and then to execute a function on each file or group of files. | ||
|
||
The **Stoner.HDF5** module provides some experimental classes to | ||
manipulate *DataFile* and *DataFolder* objects within HDF5 format files. | ||
These are not a way to handle arbitary HDF5 files - the format is much | ||
to complex and flexible to make that an easy task, rather it is a way to | ||
work with large numbers of experimental sets using just a single file | ||
which may be less brutal to your computer's OS than having directory | ||
trees with millions of individual files. | ||
|
||
Resources | ||
========= | ||
|
||
Included in the [github | ||
repository](http://www.github.com/gb119/Stoner-PythonCode/) are a | ||
(small) collection of sample scripts for carrying out various operations | ||
and some sample data files for testing the loading and processing of | ||
data. There is also a User\_Guide as part of this documentation, along | ||
with a complete API reference \<Stoner\> | ||
|
||
Contact and Licensing | ||
===================== | ||
|
||
The lead developer for this code is [Dr Gavin | ||
Burnell](http://www.stoner.leeds.ac.uk/people/gb) | ||
\<<g.burnell@leeds.ac.uk>\> . The User Guide gives the current list of | ||
other contributors to the project. | ||
|
||
This code and the sample data are all (C) The University of Leeds | ||
2008-2015 unless otherwise indficated in the source file. The contents | ||
of this package are licensed under the terms of the GNU Public License | ||
v3 | ||
|
||
Recent Changes | ||
============== | ||
|
||
Development Version | ||
------------------- | ||
|
||
The current development version is 0.6. This features some major changes | ||
in the architecture, switching from a numpy MaskedArray as the main data | ||
store to a custom sub-class that contains most of the logic for indexing | ||
data by column name and designation. The metadata storage has also been | ||
switched to using blist.sortteddict for a fast, alphabetically ordered | ||
dictionary storage. Other underlying changes are a switch to using | ||
properties rather than straight attribute access. | ||
|
||
0.6 now also makes use of filemagic to work out the mime type of files | ||
to be loaded to try and improve the resilience of the automatic file | ||
format detection. | ||
|
||
0.6 also adds some extra methods to AnalyseFile for extrapolation. | ||
|
||
Online documentation for the development version can be found on the | ||
[githib repository pages](http://gb119.github.io/Stoner-PythonCode) | ||
|
||
[![image](https://zenodo.org/badge/17265/gb119/Stoner-PythonCode.svg)](https://zenodo.org/badge/latestdoi/17265/gb119/Stoner-PythonCode) | ||
|
||
Stable Version | ||
-------------- | ||
|
||
The development version is now in beta release and so no further relases | ||
will be made to the current stable release (0.5). |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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