[SciPy-User] [OT] Re: ANN: Veusz 1.7

Jerry lanceboyle at qwest.net
Mon Mar 29 01:02:44 EDT 2010


Does anyone know why QT apps on OS X refuse to understand Command-W?  
This has been default behavior for closing a window since around, oh,  
1984.

Jerry

On Mar 28, 2010, at 9:37 AM, Jeremy Sanders wrote:

> Veusz 1.7
> ---------
> Velvet Ember Under Sky Zenith
> -----------------------------
> http://home.gna.org/veusz/
>
> Veusz is Copyright (C) 2003-2010 Jeremy Sanders <jeremy at jeremysanders.net 
> >
> Licenced under the GPL (version 2 or greater).
>
> Veusz is a Qt4 based scientific plotting package. It is written in
> Python, using PyQt4 for display and user-interfaces, and numpy for
> handling the numeric data. Veusz is designed to produce
> publication-ready Postscript/PDF/SVG output. The user interface aims
> to be simple, consistent and powerful.
>
> Veusz provides a GUI, command line, embedding and scripting interface
> (based on Python) 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.
>
> Changes in 1.7:
> * Widgets can be moved by dragged and dropped in the widget tree, or  
> copied
>   by holding down ctrl at the same time
> * Tick labels are centred if possible at the start and ends of axes
> * When putting graphs in grid, axis labels and tick labels are placed
>   in much better positions
> * Embedding module is shipped in binary versions
> * Grid lines can be drawn on axis minor ticks
> * Contour widget can draw minor (dotted) contours between main  
> contours
> * Logarithmic contours have proper logarithmic spacing
> * Fixes for widget names and dataset names with Unicode characters,
> including
>   copy and paste
> * Optional smoothing in the image widget
>
> Minor changes:
> * Errors in evaluating expressions are logged in the console window,  
> and
>   do not show exceptions
> * Fix problems when importing multiple symbols from python modules  
> in the
>   custom import dialog
> * Use minus sign for negative numbers in tick labels, rather than  
> hyphens
> * Contour widget lines can have transparency
> * Datasets are sorted by name when writing to saved document
> * Use correct status for paste button when starting application
> * Add option for extra space between axes and tick labels, and axis  
> labels
> * Preference added for background color of exported bitmaps
> * Add IsClosed() and WaitForClose() embedding functions to check  
> whether
> plot
>   window is closed, or to wait for closing of plot window.
>
> Features of package:
> * X-Y plots (with errorbars)
> * Line and function plots
> * Contour plots
> * Images (with colour mappings and colorbars)
> * Stepped plots (for histograms)
> * Bar graphs
> * Plotting dates
> * Fitting functions to data
> * Stacked plots and arrays of plots
> * Plot keys
> * Plot labels
> * Shapes and arrows on plots
> * LaTeX-like formatting for text
> * EPS/PDF/PNG/SVG/EMF export
> * Scripting interface
> * Dataset creation/manipulation
> * Embed Veusz within other programs
> * Text, CSV and FITS importing
> * Data can be captured from external sources
> * User defined functions, constants and can import external Python
> functions
>
> Requirements for source install:
> Python (2.4 or greater required)
>   http://www.python.org/
> Qt >= 4.3 (free edition)
>   http://www.trolltech.com/products/qt/
> PyQt >= 4.3 (SIP is required to be installed first)
>   http://www.riverbankcomputing.co.uk/pyqt/
>   http://www.riverbankcomputing.co.uk/sip/
> numpy >= 1.0
>   http://numpy.scipy.org/
>
> Optional:
> Microsoft Core Fonts (recommended for nice output)
>   http://corefonts.sourceforge.net/
> PyFITS >= 1.1 (optional for FITS import)
>   http://www.stsci.edu/resources/software_hardware/pyfits
> pyemf >= 2.0.0 (optional for EMF export)
>   http://pyemf.sourceforge.net/
> For EMF and better SVG export, PyQt >= 4.6 or better is
>   required, to fix a bug in the C++ wrapping
>
> For documentation on using Veusz, see the "Documents" directory. The
> manual is in PDF, HTML and text format (generated from docbook). The
> examples are also useful documentation.
>
> Issues with the current version:
>
> * Due to Qt, hatched regions sometimes look rather poor when exported
>   to PostScript, PDF or SVG.
>
> * Due to a bug in Qt, some long lines, or using log scales, can lead
>   to very slow plot times under X11. It is fixed by upgrading to
>   Qt-4.5.1 (or using a binary). Switching off antialiasing in the  
> options
>   may help.
>
> If you enjoy using Veusz, I would love to hear from you. Please join
> the mailing lists at
>
> https://gna.org/mail/?group=veusz
>
> to discuss new features or if you'd like to contribute code. The
> latest code can always be found in the SVN repository.
>
> Jeremy Sanders
>
>
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