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Veusz 3.4

Veusz is a scientific plotting package. It is designed to produce publication-ready PDF or SVG output. Graphs are built-up by combining plotting widgets. The user interface aims to be simple, consistent and powerful.

Veusz provides GUI, Python module, command line, scripting, DBUS and SAMP interfaces to its plotting facilities. It also allows for manipulation and editing of datasets. Data can be captured from external sources such as Internet sockets or other programs.

User-visible changes in 3.4:

  • Font styles can be chosen
  • Add setting to specify minor ticks in axis
  • Add setting to ignore NaN values in point plotter, rather than breaking lines
  • Add copy and paste of images (thanks to chakuro)
  • Add embedding SVG graphics (thanks to korintje)
  • New tight-Bezier line style (thanks to korintje)
  • Add hide icon (eye) in settings and grey tabs as appropriate
  • Add \ddot latex command
  • Axis auto ranges (e.g. 5-95%) can now have decimals
  • Filename set after Load()
  • Fix renaming 2D datasets
  • Fix for blank dataset output names in dataset plugin
  • Fix for crash in QDP plugin
  • Linux dark mode improvements
  • Font foundry name removed from SVG files
  • Add page colour or fill setting
  • Change default xy plotter marker size and fill colour for new documents
  • Add function widget global colour setting

Internal changes in 3.4:

  • Add new compatibility level functionality for new documents
  • Iminuit2 fixes (thanks to korintje)
  • Drop Python 2 compatibility
  • Source code reformatting
  • Updated appdata (thanks to kevinsmia1939)
  • Import sip from PyQt5.sip if available
  • Update to require SIP 5+ build system (thanks to mitya57)
  • Python 3.10 fixes

Features of package:

Plotting features:

  • X-Y plots (with errorbars)
  • Line and function plots
  • Contour plots
  • Images (with colour mappings and colorbars)
  • Stepped plots (for histograms)
  • Bar graphs
  • Vector field plots
  • Box plots
  • Polar plots
  • Ternary plots
  • Plotting dates
  • Fitting functions to data
  • Stacked plots and arrays of plots
  • Nested plots
  • Plot keys
  • Plot labels
  • Shapes and arrows on plots
  • LaTeX-like formatting for text
  • Multiple axes
  • Axes with steps in axis scale (broken axes)
  • Axis scales using functional forms
  • Plotting functions of datasets
  • 3D point plots
  • 3D surface plots
  • 3D function plots
  • 3D volumetric plots

Input and output:

  • PDF/EPS/PNG/SVG/EMF export
  • Dataset creation/manipulation
  • Embed Veusz within other programs
  • Text, HDF5, CSV, FITS, NPY/NPZ, QDP, binary and user-plugin importing
  • Data can be captured from external sources

Extending:

  • Use as a Python module
  • User defined functions, constants and can import external Python functions
  • Plugin interface to allow user to write or load code to
    • import data using new formats
    • make new datasets, optionally linked to existing datasets
    • arbitrarily manipulate the document
  • Scripting interface
  • Control with DBUS and SAMP

Other features:

  • Data filtering and manipulation
  • Data picker
  • Interactive tutorial
  • Multithreaded rendering

Requirements for source install:

  • Python 3.x (3.3 or greater required)
  • Qt >= 5.5 (free edition)
  • PyQt >= 5.2 (Qt and SIP is required to be installed first)
  • SIP >= 5
  • Numpy >= 1.7

Optional requirements:

License

Veusz is Copyright (C) 2003-2021 Jeremy Sanders and contributors. It is licensed under the GPL version 2 or greater.

The latest source code can be found in this GitHub repository.