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@rocky rocky released this 01 Aug 05:42
· 159 commits to master since this release
4.0.0
41dee8c

The main thrust behind this API-breaking release is to be able to
support a protocol for Graphics3D.

It supports a new Graphics3D protocol is currently expressed in JSON. There is an independent threejs-based module
to implement this. Tiago Cavalcante Trindade is responsible for this code.

The other main API-breaking change is more decentralization of the Mathics Documentation. A lot more work needs to go on here, and so
there will be one or two more API breaking releases. After this release, the documentation code will be split off into its own git repository.

Enhancements

  • a Graphics3D protocol, mentioned above, has been started
  • mathics.setting has been gone over to simplify.
  • A rudimentary and crude SVG Density Plot was added. The prior method relied on mysterious secret handshakes in JSON between Mathics Core and Mathics Django. While the density plot output was nicer in Mathics Django, from an overall API perspective this was untenable. A future version may improve SVG handling of Density plots using elliptic density gratings in SVG. And/or we may define this in the JSON API.
  • SVG and Asymptote drawing now includes inline comments indicating which Box Structures are being implemented in code
  • Elliptic arcs are now supported in Asymptote. There still is a bug however in calculating the bounding box when this happens.

Documentation

  • Document data used in producing PDFs and HTML-rendered documents is now stored in both the user space, where it can be extended, and in the package install space -- which is useful when there is no user-space data.
  • The documentation pipeline has been gone over. Turning the internal data into a LaTeX file is now a separate own program. See mathics/doc/test/README.rst for an overview of the dataflow needed to create a PDF.
  • Summary text for various built-in functions has been started. Thes summaries are visible in Mathics Django when lists links are given
    in Chapters, Guide Sections, or Sections.
  • A Sections for Lists has been started and grouping for these have been added. So code and sections have moved around here.
  • Regexp detection of tests versus document text has been improved.
  • Documentation improved
  • The flakiness around showing sine graphs with filling on the axes or below has been addressed. We now warn when a version of Asymptote or Ghostscript is used that is likely to give a problem.

Bugs

  • A small SVGTransform bug was fixed. Thanks to axelclk for spotting.
  • A bug in image decoding introduced in 3.1.0 or so was fixed.
  • A bug SVG LineBoxes was fixed

Regressions

  • Some of the test output for buitins inside a guide sections is not automatically rendered
  • Density plot rendered in Mathics Django do not render as nice since we no longer use the secret protocol handshake hack. We may fix this in a future release
  • Some of the Asymptote graphs look different. Graphic3D mesh lines are not as prominent or don't appear. This is due to using a newer version of Asymptote, and we will address this in a future release.
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