2026-05-06

peak-o-mat has moved to https://github.com/kurisutsukato/peak-o-mat. It is not actively maintained anymore. The author is still happy to answer questions though.

Binary files are not available. All dependencies can be install via

pip install -r requirements.txt

It is known to work with python 3.10 and 3.12.

The old (sparse) documentation is still valid mostly.

About

peak-o-mat is a data analysis and curve fitting program written in Python. It is especially designed to fit spectroscopic data but should be suited for any other fitting task. It allows for clearing, transforming, fitting, calibrating, etc. of spectra with few mouse clicks. peak-o-mat can easily be extended by writing your own modules. It is developed on OSX, windows and linux but should run on any other platform for which python and the extension modules listed below are available.

If you find peak-o-mat useful consider to make a donation. (Did you know that until now nobody ever clicked this link? You are not alone ;))

What’s new in 1.1.9

• Some bugs related to the datagrid have been fixed.

• The data import to the datagrid has been improved, peak-o-mat tries to me smart about the floating point character.

Documentation

• 1. Getting the software
  • 1.1. Running from source
  • 1.2. Installation from binary package
• 2. Basic Concepts
  • 2.1. Data
  • 2.2. Models
  • 2.3. Transformations and masks
  • 2.4. Weights
• 3. User interface
  • 3.1. The project tree
  • 3.2. The toolbar
  • 3.3. The data grid
    • 3.3.1. Inserting/deleting/appending rows or columns
    • 3.3.2. copy&paste
    • 3.3.3. insert/delete&shift
    • 3.3.4. Plotting
• 4. The modules
  • 4.1. Fit module
    • 4.1.1. Model
    • 4.1.2. Parameters
      • 4.1.2.1. Parameter picking
      • 4.1.2.2. Parameter export
      • 4.1.2.3. Creating data sets from model parameters
    • 4.1.3. Weights
    • 4.1.4. Fit
  • 4.2. Data operations module
  • 4.3. Evaluate module
  • 4.4. Set info module
  • 4.5. Calibration module
  • 4.6. Shell module
  • 4.7. Ruby calibration module
• 5. Customising peak-o-mat
  • 5.1. Config file
  • 5.2. Adding custom peak shapes
  • 5.3. Installing/Writing Modules
• 6. Scripting peak-o-mat