Gwyddion 2.47 is now available for download at

  https://sourceforge.net/projects/gwyddion/files/gwyddion/2.47/
  (all released files)

  http://gwyddion.net/download/2.47/
  (source code)

Released files are signed with PGP/GnuPG key

  "David Nečas (Yeti) <y...@gwyddion.net>", id 62A07732
  fingerprint = 263F 9B1E C1E0 5261 C689  D83B 00FD D1D0 62A0 7732

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This is a stable version continuing the 2.x series, backward compatible with
previous 2.x versions.

More information about Gwyddion is available at

  http://gwyddion.net/

Bugs should be reported to

  klape...@gwyddion.net

the mailing list, or the project's web forum at SourceForge.

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Summary of changes:
Application:
- Translations updated: Czech, French, Russian.
- Dependencies: Configure now warns if FFTW is unavailable or disabled.  The
  library will become a required dependency in a future version.

Libraries:
- libgwyddion, libgwydraw, libgwyapp: Simple structs such as GwyXY and GwyRGBA
  now have on-heap constructors (mostly helping language bindings).
- libgwyprocess: New single-step tip modelling functions, either for fixed
  model size or optimised for a certain height range, with more general
  model parameter handling.
- libgwyprocess: Elliptical parabolic tip model was added.
- libgwyprocess: Fast Laplace interpolation function
  gwy_data_field_laplace_solve() was added.
- libgwyprocess: GwyShapeFitPreset 3D geometrical shape fitting preset class
  was added, making available the functionality of Fit Shape in the library.
- libgwyprocess: Parabolic bump function was added.
- libgwyprocess: Helper function for grain pixel size calculation was added.
- libgwyddion: GwyNLFitter has an option to reduce ordinate value differences
  using the local function derivative, approximating a geometric fit.
- libgwyddion: GwyNLFitter has accessor functions for all the useful data
  so it is no longer necessary to poke inside the struct.
- libgwydraw: gwy_selection_set_data() broken in 2.46 (and affecting selections
  in several modules) was fixed.
- libgwyapp: Data browser data lists scroll to show the selected item.

Modules:
- Graph logscale (new): Physically transforms graph to logarithmic scale.
- Pygwy: Large number of functions were added and fixed, some of the fixes
  involved API changes: redundant list length parameters disappeared, structs
  such as RGBA are now Python classes, silly function names (a_something...)
  were sanitised.  Syntax highlighting in the console should work again in
  MS Windows.
- Image export: Inset scale bar label can be placed either below or above the
  bar.
- Statistical functions: Cumulative height distribution supports masking.
- JPK: Compilation failure when minizip is not available was fixed.
- Fit shape: Module was rebased on the GwyShapeFitPreset library functions.
- Object synthesis: Parabolic bump shape was added.
- Lattice synthesis: Several new lattice types were added: Penrose, Cairo,
  snub square, Si 7x7 reconstruction.
- Nano Measuring Machine: Can handle data larger than 4 GB points total on
  64bit systems (but not more than 2 GB per channel).

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Thanks all who contributed,

Yeti



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