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Veusz

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Software Details:

Version: 1.24 ^updated

Upload Date: 11 May 16

Developer: Jeremy Sanders

Distribution Type: Freeware

Downloads: 40

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Veusz is an open source and cross-platform software project that provides users with a unique and complex scientific plotting application, specifically designed to allow users to create PDF and Postscript output that is ready for publishing.

Key features include the ability to create line graphs, images, histograms, XY plots, box plots, shapes, polar plots, ternary plots, contour plots, and vector field plots, three user interfaces (graphical, CLI and scripting), as well as the ability to design complex layouts.

It can export the output to EPS, PDF, PNG, SVG, Bitmap and EMF file formats, read data from Plain Text, CSV, FITS, QDP, NPZ/NPY, HDF5, user-plugin and binary files, create plotting widgets with a constant object-based interface, and act as a Python plotting module.

In addition, the application is capable of manipulating and creating datasets, capture data from external sources, create a new dataset that is linked to an existing dataset, import data in new formats, and import external Python functions.

Another interesting feature is the ability to embed the application within other programs, which will allow them to use its powerful plotting features listed above. Furthermore, it supports user defined functions and constants.

Among other interesting features, we can mention support for multithreaded rendering, a data picker utility, plugin architecture, control with SAMP and D-Bus, as well as an interactive tutorial that will appear when you start the application for the first time.

Under the hood, we can report that the application is written in the Python programming language and uses the PyQt/Qt4 libraries for the graphical user interface, and the Numpy library for the scientific plotting functionality. It supports GNU/Linux, Microsoft Windows and Mac OS X operating systems.

Summing up, Veusz is a great and complex scientific plotting application that has been designed from the ground up to provide users with top-notch features and unique functionality.

What is new in this release:

New in Veusz 1.23.2 (January 4th, 2016)

What is new in version 1.23.2:

Add data clipping dataset plugin
Fix boxplot with manual settings
Fix plugin normalize and divide by maximum for new numpy versions
Avoid error in 2d data creation
Fix problems with unicode characters in plugins in Python 2.x
Clip axis to sensible range -1e100->1e100
Handle unicode errors from operating system in Veusz scripts
Handle unicode errors in error reports
Fix crash in \color

What is new in version 1.23:

Add new export dialog box which can export multiple pages and modify the export options
Add new dataset filtering dialog
Add cubehelix() functional colormap
Add -stepN suffix for colormaps to make arbitrary numbers of steps
Fix incorrect colors in log images and log color scales
Fix unsafe commands not being run
Minor changes:
Fix incorrect use of None in (x,...) pattern
Catch crash if plotting nan/inf value in log space
Fix getData in dataset plugin for dimensions=2
Catch error in too large float to date time conversion
Catch disappeared file during import
Index error fixed in pickable
Catch error in data edit dialog if 2d dataset size changes
If root widget is selected with others, do not error on hide
Fix undo for dataset histogram with a single output dataset
Fix error resizing ellipse with a tuple width, height or position setting
Only use finite values in histogram
Rewrite Line/FillSet setting controls for internal consistency and to fix new style extended fills
Do not crash with log date-time axes
Also ignore non-finite values when fitting with minuit
Avoid syntax error with invalid colormap
Updates to setup.py and desktop files
Recreate dataset now works if dialog hasn't been opened already
Restore dock layout when using Python3
Fix undo after loading stylesheet/custom definitions
Support unicode example filenames
Clip bezier lines to avoid problems with log axes

What is new in version 1.22:

Add option to ignore white space following delimiters when importing CSVs
Allow x/yedge and x/ycent to be inverted to change data order when import 2D data
Rewrite of widget tree internals to fix miscellaneous bugs
Optionally use astropy for SAMP
Add setting to extend the python import path
Add option to select widgets with same name on page
Resize rectangular shapes keeping other corners fixed. Old symmetric resize behaviour is retained if shift is pressed.

What is new in version 1.21.1:

Changes:
Add swap option on keys, swapping symbol and text
Bug fixes:
Fix missing labels if colorbar out of plot
Preserve tags when reloading datasets
Handle nan/inf/-inf when as value in UI
Remove dependence on pyqtconfig in build system
Handle errors properly in 2D CSV read
Do not crash if selecting siblings of document widget
Fix accidental modification of data by line widget
Improve PDF bounding box rounding to prevent chopping near edge
Fix function plotter in embedding
Fix astropy version checking
Fix crash for error bar in CSV with blank previous column
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
Input and output:
EPS/PDF/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 picker
Interactive tutorial
Multithreaded rendering

What is new in version 1.21:

Add HDF5 saved document format
Add filled curve error bar style
Add fill left/right options for point plotter
Add filetype filters to import dialog file browser dialog
In file completer in import dialog, use selected tab as filter
Move code to use PyQt new style signals
Add a master color setting for xy point and nonorthpoint plot
Line labelling algorithm much improved in contour plots, which rotates text to match line angle and avoids label overlaps
More accurate axis tick label bounding boxes, allowing rotated labels to be placed close together
Add reflection and rotation options to vector field widget
Switch to scientific notation earlier when showing float settings
Bug fixes:
Direction combo did not work in import dialog
Saving text datasets did not work in Python3
Fix partial dataset evaluation issue when loading documents
2D non-regular pixel spaced images give error if clipped in y
Handle Unicode quoted characters in simple text data files
xcent/ycent in Dataset2D import plugins were ignored
promote_tab broken for import plugins
Full screen view when all pages are deleted
Crash with empty dataset and boxplot widget
Fix copy and paste of datasets
Python 3 resizing axis bug
Crash if picking/zooming on document with no pages
Crash if reediting histogram dataset with blank output entry
Use end of text formatting string beyond format specifier
When writing SVG text as text, use xml:space="preserve" to avoid missing whitespace
Embedding socket issue on Python 3.4+

What is new in version 1.20.1:

Changes in 1.20.1:
Include free-desktop appdata, MIME and desktop files
When plotting xy widget filled error regions, plot line on top
Bug fixes:
Fix embedding interface startup problem in 1.20
Additional embedding interface fixes for Python 3
Fix crash in tutorial if flashing widget deleted
Fix polar plot crash with reverse minumum and maximum radii
Fix crash when changing range of broken axes interactively
Fix object deletion crash in setting menu
Check output dataset is not same as an input for histograms
Fix for compilation on Qt 4.6
Catch socket errors on embed client
Fixes for formatting strings, including fixes for arguments of the extended %Vg format and properly supporting %%
When restoring window position, do not restore offscreen

What is new in version 1.20:

Add HDF5 file data import
Allow expressions to be edited for linked 2D datasets
Add support for 2D datasets with irregular gridpoints
Add 2D data CSV import
Allow safe renaming of linked datasets
Support importing text from FITS files

What is new in version 1.19.1:

Add option to disable scaling of marker border with point scaling
Implement label at-minimum/at-maximum for ternary plot
Add border and background fill settings for text label widget
Enable FITS support with astropy

What is new in version 1.19:

Make code compatible with python3
Separation of python module and resources in source package (packagers may need to consult INSTALL)
Move to v2 of PyQt API
Remove deprecated numpy API from helpers module
Allow FITS dataset names to be blank if prefix/suffix are not
New ast-based code security checker
Picker uses 1-based index for consistency
Allow non-text datasets to be used for labels
Add number->text conversion dataset plugin
Add binning dataset plugin
Add notes properties to document, pages and graphs
Allow more significant figures in float values
Intelligent choice of significant figures when interactively changing axis range
Decrease minimum range of axis
Add notes setting to document, pages and graphs
Bug fixes:
Fix crash if other linked axis not initialized
Fix crash if trying to edit non-editable datasets
Make ignore exception work in error reporting dialog
Renaming datasets, widgets and editing data now allow original text to be edited, rather than being cleared
Fix line positions on broken axes
OS X Mavericks - fixes for opening files from finder and fonts

What is new in version 1.18:

Add support for dataset expressions when plotting
Add axis-function widget for plotting axes which have a scale given by a function, or are linked to a different axis via a function
Add stepped colour maps
Support editing multiple datasets simultaneously in editor
Add setting to fix aspect-ratio of graphs
Add 'vcentre' line step mode for vertical step plots
Add internal margin setting for grids to separate sub-plots
Add pixel, pixel_wcs, fraction and linear_wcs FITS import coordinate system modes
Add drop down toolbar button menu to create axis widgets
More efficient widget dependency resolution
Bug fixes:
Fix reversed 'broken'-axes
Do not always draw axes above other widgets (fixes problem with key below axis)
Fix use of transparency image when plotting non-square images
Allow lists passed as xrange and yrange to create 2D dataset
Fix FieldBool positioning for plugins
QDP import: fix "no" values when used mixed with numbers
Remove warning of log images with zeros
For embedded mode, always return string for __repr__
Workaround for windows appearing behind for Mac OS X
Improve property spacing on Mac OS X