[ANNOUNCE] Ninth release of PythonCAD now available

Discussion in 'Python' started by Art Haas, Jul 29, 2003.

  1. Art Haas

    Art Haas Guest

    I'd like to announce the ninth development release of PythonCAD,
    a CAD package for open-source software users. As the name implies,
    PythonCAD is written entirely in Python. The goal of this project is
    to create a fully scriptable drafting program that will match and eventually
    exceed features found in commercial CAD software. PythonCAD is released
    under the GNU Public License (GPL).

    PythonCAD requires Python 2.2. The interface is GTK 2.0 based,
    and uses the PyGTK module for interfacing to GTK. The design of
    PythonCAD is built around the idea of separating the interface
    from the back end as much as possible. By doing this, it is hoped
    that both GNOME and KDE interfaces can be added to PythonCAD through
    usage of the appropriate Python module. Addition of other interfaces
    will depend on the availability of a Python module for that particular
    interface and developer interest and action.

    The ninth release concentrated on internal improvements to the code. The
    storage and manipulation of optional values was heavily reworked. The
    first batch of changes regarding storing various drawing entities was
    finished, with the handling of colors having the largest number of changes.
    Linetypes and drawing styles will be updated in a similar manner to colors
    in future releases. This release also has numerous improvements in handling
    default values for many of the objects used in PythonCAD.

    A large number of bug fixes are included in this release. Various bugs
    relating to line splitting, tangent point calculation, and line intersection
    calculation have been fixed. In addition to bug fixes, numerous changes
    in the code are for data validation and error checking, resulting in
    several fixes where using improper data types was uncovered. A few changes
    have been made with regards to saving and loading of files as well.

    The ninth release also allows for the setting of the inactive layer
    entity color. This change is probably the only user interface change present
    in the release. As was stated above, the vast majority of changes present
    in this release are deep within the code and not UI related.

    Unfortunately the redraw bug in the preference dialog is still present, and
    when making the eighth release I had hoped to have it eliminated by the time
    the ninth release went out. That goal was not met, but hope springs eternal
    and maybe it will be removed in the next release.

    The mailing list for the development and use of PythonCAD is available.
    Visit the following page for information about subscribing and viewing
    the mailing list archive:


    Visit the PythonCAD web site for more information about what PythonCAD
    does and aims to be:


    Come and join me in developing PythonCAD into a world class drafting

    Art Haas
    Man once surrendering his reason, has no remaining guard against absurdities
    the most monstrous, and like a ship without rudder, is the sport of every wind.

    -Thomas Jefferson to James Smith, 1822
    Art Haas, Jul 29, 2003
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