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VERSIONS

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  • Forked from gmsh / gmsh
    19731 commits behind the upstream repository.
    VERSIONS 12.63 KiB
    $Id: VERSIONS,v 1.148 2003-06-14 05:35:52 geuzaine Exp $
    
    New in 1.45: small bug fixes (min/max computation for tensor views,
    missing physical points in read mesh, "jumping" geometry during
    interactive manipulation of large models, etc.); variable definition
    speedup; partial support for second order elements (lines, triangles,
    quadrangles and tetrahedra); documentation updates;
    
    New in 1.44: new reference manual; added support for PNG output; fixed
    small configure script bugs;
    
    New in 1.43: fixed solver interface problem on Mac OS X; new option to
    specify the interactive rotation center (default is now the pseudo
    "center of gravity" of the object, instead of (0,0,0));
    
    New in 1.42: suppressed the automatic addition of a ".geo" extension
    if the file given on the command line is not recognized; added missing
    Layer option for Extrude Point; fixed various small bugs;
    
    New in 1.41: Gmsh is now licensed under the GNU General Public
    License; general code cleanup (indent);
    
    New in 1.40: various small bug fixes (mainly GSL-related);
    
    New in 1.39: removed all non-free routines; more build system work;
    implemented Von-Mises tensor display for all element types; fixed
    small GUI bugs;
    
    New in 1.38: fixed custom range selection for 3D iso graphs; new build
    system based on autoconf; new image reading code to import bitmaps as
    post-processing views;
    
    New in 1.37: generalized smoothing and cuts of post-processing views;
    better Windows integration (solvers, external editors, etc.); small
    bug fixes;
    
    New in 1.36: enhanced view duplication (one can now use "Duplicata
    View[num]" in the input file); merged all option dialogs in a new
    general option window; enhanced discoverability of the view option
    menus; new 3D point and line display; many small bug fixes and
    enhancements ("Print" format in parser, post-processing statistics,
    smooth normals, save window positions, restore default options, etc.);
    
    New in 1.35: graphical user interface upgraded to FLTK 1.1 (tooltips,
    new file chooser with multiple selection, full keyboard navigation,
    cut/paste of messages, etc.); colors can be now be directly assigned
    to mesh entities; initial tensor visualization; new keyboard animation
    (right/left arrow for time steps; up/down arrow for view cycling); new
    VRML output format for surface meshes; new plugin for spherical
    elevation plots; new post-processing file format (version 1.2)
    supporting quadrangles, hexahedra, prisms and pyramids; transparency
    is now enabled by default for post-processing plots; many small bug
    fixes (read mesh, ...);
    
    New in 1.34: improved surface mesh of non-plane surfaces; fixed
    orientation of elements in 2D anisotropic algorithm; minor user
    interface polish and additions (mostly in post-processing options);
    various small bug fixes;
    
    New in 1.33: new parameterizable solver interface (allowing up to 5
    user-defined solvers); enhanced 2D aniso algorithm; 3D initial mesh
    speedup;
    
    New in 1.32: new visibility browser; better floating point exception
    checks; fixed infinite looping when merging meshes in project files;
    various small clean ups (degenerate 2D extrusion, view->reload, ...);
    
    New in 1.31: corrected ellipses; PostScript output update (better
    shading, new combined PS/LaTeX output format); more interface polish;
    fixed extra memory allocation in 2D meshes; Physical Volume handling
    in unv format; various small fixes;
    
    New in 1.30: interface polish; fix crash when extruding quadrangles;
    
    New in 1.29: translations and rotations can now be combined in
    extrusions; fixed coherence bug in Extrude Line; various small
    bug fixes and additions;
    
    New in 1.28: corrected the 'Using Progression' attribute for
    tranfinite meshes to actually match a real geometric progression; new
    Triangulate plugin; new 2D graphs (space+time charts); better
    performance of geometrical transformations (warning: the numbering of
    some automatically created entities has changed); new text primitives
    in post-processing views (file format updated to version 1.1); more
    robust mean plane computation and error checks; various other small
    additions and clean-ups;
    
    New in 1.27: added ability to extrude curves with Layers/Recombine
    attributes; new PointSize/LineWidth options; fixed For/EndFor loops in
    included files; fixed error messages (line numbers+file names) in
    loops and functions; made the automatic removal of duplicate
    geometrical entities optional (Geometry.AutoCoherence=0); various
    other small bug fixes and clean-ups;
    
    New in 1.26: enhanced 2D anisotropic mesh generator (metric
    intersections); fixed small bug in 3D initial mesh; added alternative
    syntax for built-in functions (for GetDP compatibility); added line
    element display; Gmsh now saves all the elements in the mesh if no
    physical groups are defined (or if Mesh.SaveAll=1);
    
    New in 1.25: fixed bug with mixed recombined/non-recombined extruded
    meshes; Linux versions are now build with no optimization, due to bugs
    in gcc 2.95.X;
    
    New in 1.24: fixed characteristic length interpolation for Splines;
    fixed edge swapping bug in 3D initial mesh; fixed degenerated case in
    geometrical extrusion (ruled surface with 3 borders); fixed generation
    of degenerated hexahedra and prisms for recombined+extruded meshes;
    added BSplines creation in the GUI; integrated Jonathan Shewchuk's
    Triangle as an alternative isotropic 2D mesh generator; added
    AngleSmoothNormals to control sharp edge display with smoothed
    normals; fixed random crash for lighted 3D iso surfaces;
    
    New in 1.23: fixed duplicate elements generation + non-matching
    tetrahedra faces in 3D extruded meshes; better display of displacement
    maps; fixed interactive ellipsis construction; generalized boundary
    operator; added new explode option for post-processing views; enhanced
    link view behavior (to update only the changed items); added new
    default plugins: Skin, Transform, Smooth; fixed various other small
    bugs (mostly in the post-processing module and for extruded meshes);
    
    New in 1.22: fixed (yet another) bug for 2D mesh in the mean plane;
    fixed surface coherence bug in extruded meshes; new double logarithmic
    scale, saturate value and smoothed normals option for post-processing
    views; plugins are now enabled by default; three new experimental
    statically linked plugins: CutMap (extracts a given iso surface from a
    3D scalar map), CutPlane (cuts a 3D scalar map with a plane section),
    CutSphere (cuts a 3D scalar map with a sphere); various other bug
    fixes, additions and clean-ups;
    
    New in 1.21: fixed more memory leaks; added -opt command line option
    to parse definitions directly from the command line; fixed missing
    screen refreshes during contour/surface/volume selection; enhanced
    string manipulation functions (Sprintf, StrCat, StrPrefix); many other
    small fixes and clean-ups;
    
    New in 1.20: fixed various bugs (memory leaks, functions in included
    files, solver command selection, ColorTable option, duplicate nodes in
    extruded meshes (not finished yet), infinite loop on empty views,
    orientation of recombined quadrangles...); reorganized the interface
    menus; added constrained background mesh and mesh visibility options;
    added mesh quality histograms; changed default mesh colors;
    reintegrated the old command-line extrusion mesh generator;
    
    New in 1.19: fixed seg. fault for scalar simplex post-processing; new
    Solver menu; interface for GetDP solver through sockets; fixed
    multiple scale alignment; added some options + full option
    descriptions;
    
    New in 1.18: fixed many small bugs and incoherences in
    post-processing; fixed broken background mesh in 1D mesh generation.
    
    New in 1.17: corrected physical points saving; fixed parsing of DOS
    files (carriage return problems); easier geometrical selections
    (cursor change); plugin manager; enhanced variable arrays (sublist
    selection and affectation); line loop check; New arrow display;
    reduced number of 'fatal' errors + better handling in interactive
    mode; fixed bug when opening meshes; enhanced File->Open behavior for
    meshes and post-processing views;
    
    New in 1.16: added single/double buffer selection (only useful for
    Unix versions of Gmsh run from remote hosts without GLX); fixed a bug
    for recent versions of the opengl32.dll on Windows, which caused OpenGL
    fonts not to show up;
    
    New in 1.15: added automatic visibility setting during entity
    selection; corrected geometrical extrusion bug;
    
    New in 1.14: corrected a few bugs in the GUI (most of them were
    introduced in 1.13); added interactive color selection; made the
    option database bidirectional (i.e. scripts now correctly update the
    GUI); default options can now be saved and automatically reloaded at
    startup; made some changes to the scripting syntax
    (PostProcessing.View[n] becomes View[n]; Offset0 becomes OffsetX,
    etc.); corrected the handling of simple triangular surfaces with large
    characteristic lengths in the 2D isotropic algorithm; added an ASCII
    to binary post-processing view converter;
    
    New in 1.13: added support for JPEG output on Windows;
    
    New in 1.12: corrected vector lines in the post-processing parsed
    format; corrected animation on Windows; corrected file creation in
    scripts on Windows; direct affectation of variable arrays;
    
    New in 1.11: corrected included file loading problem.
    
    New in 1.10: switched from Motif to FLTK for the GUI. Many small
    tweaks.
    
    New in 1.00: added PPM and YUV output; corrected nested If/Endif;
    Corrected several bugs for pixel output and enhanced GIF output
    (dithering, transparency); slightly changed the post-processing file
    format to allow both single and double precision numbers.
    
    New in 0.999: added JPEG output and easy MPEG generation (see t8.geo
    in the tutorial); clean up of export functions; small fixes; Linux
    versions are now compiled with gcc 2.95.2, which should fix the
    problems encountered with Mandrake 7.2;
    
    New in 0.998: corrected bug introduced in 0.997 in the generation of
    the initial 3D mesh;
    
    New in 0.997: corrected bug in interactive surface/volume selection;
    Added interactive symmetry; corrected geometrical extrusion with
    rotation in degenerated or partially degenerated cases; corrected bug
    in 2D mesh when meshing in the mean plane;
    
    New in 0.996: arrays of variables; enhanced Printf and Sprintf;
    Simplified options (suppression of option arrays).
    
    New in 0.995: totally rewritten geometrical database (performance has
    been drastically improved for all geometrical transformations, and
    most notably for extrusion). As a consequence, the internal numbering
    of geometrical entities has changed: this will cause incompatibilities
    with old .geo files, and will require a partial rewrite of your old
    .geo files if these files made use of geometrical transformations. The
    syntax of the .geo file has also been clarified. Many additions for
    scripting purposes. New extrusion mesh generator. Preliminary version
    of the coupling between extruded and Delaunay meshes. New option and
    procedural database. All interactive operations can be scripted in the
    input files. See the last example in the tutorial for an example. Many
    stability enhancements in the 2D and 3D mesh algorithms. Performance
    boost of the 3D algorithm. Gmsh is still slow, but the performance
    becomes acceptable. An average 1000 tetrahedra/second is obtained on a
    600Mhz computer for a mesh of one million tetrahedra. New anisotropic
    2D mesh algorithm. New (ASCII and binary) post-processing file format
    and clarified mesh file format. New handling for interactive rotations
    (trackball mode). New didactic interactive mesh construction (watch
    the Delaunay algorithm in real time on complex geometries: that's
    exciting ;-). And many, many bug fixes and cleanings...
    
    New in 0.992: corrected recombined extrusion; corrected ellipses; added
    simple automatic animation of post-processing maps; fixed various bugs.
    
    New in 0.991: fixed a serious allocation bug in 2D algorithm, which
    caused random crashes. All users should upgrade to 0.991.
    
    New in 0.990: bug fix in non-recombined 3D transfinite meshes.
    
    New in 0.989: added ability to reload previously saved meshes; some
    new command line options; reorganization of the scale menu; GIF
    output.
    
    New in 0.987: fixed bug with smoothing (leading to the possible
    generation of erroneous 3d meshes); corrected bug for mixed 3D meshes;
    moved the 'toggle view link' option to Opt->Postprocessing_Options.
    
    New in 0.986: fixed overlay problems; SGI version should now also run
    on 32 bits machines; fixed small 3d mesh bug.
    
    New in 0.985: corrected colormap bug on HP, SUN, SGI and IBM versions;
    corrected small initialization bug in postscript output.
    
    New in 0.984: corrected bug in display lists; added some options in
    Opt->General.
    
    New in 0.983: corrected some seg. faults in interactive mode; corrected
    bug in rotations; changed default window sizes for better match with
    1024x768 screens (default X resources can be changed: see ex03.geo).
    
    New in 0.982: lighting for mesh and post-processing; corrected 2nd
    order mesh on non plane surfaces; added example 13.