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$Id: VERSIONS,v 1.314 2005-03-09 02:26:32 geuzaine Exp $
New since 1.59: added support for discrete curves; new Window menu on
Mac OS X; generalized all octree-based plugins (CutGrid, StreamLines,
Probe, etc.) to handle all element types (and not only scalar and
Plugin(Extract); various small enhancements and bug fixes.
either in STL format or with the new "Discrete Surface" command; added
STL and Text output format for post-processing views and STL output
format for surface meshes; all levelset-based plugins can now also
compute isovolumes; generalized Plugin(Evaluate) to handle external
view data (based on the same or on a different mesh); generalized
Plugin(CutGrid); new plugins (Eigenvalues, Gradient, Curl,
Divergence); changed default colormap to match Matlab's "Jet"
interface to keep the GUI responsive during solver calls; new C++ and
Python solver examples; simplified Tools->Visibility GUI; transfinite
lines with "Progression" now allow negative line numbers to reverse
the progression; added ability to retrieve Gmsh's version number in
the parser (to help write backward compatible scripts); fixed white
space in unv mesh output; fixed various small bugs.
New in 1.58: fixed UNIX socket interface on Windows (broken by the TCP
solver patch in 1.57); bumped version number of default
post-processing file formats to 1.3 (the only small modification is
the handling of the end-of-string character for text2d and text3d
objects in the ASCII format); new File->Rename menu; new
colormaps+improved colormap handling; new color+min/max options in
views; new GetValue() function to ask for values interactively in
scripts; generalized For/EndFor loops in parser; new plugins
(Annotate, Remove, Probe); new text attributes in views; renamed some
shortcuts; fixed TeX output for large scenes; new option dialogs for
various output formats; fixed many small memory leaks in parser; many
small enhancements to polish the graphics and the user interface.
New in 1.57: generalized displacement maps to display arbitrary view
types; the arrows representing a vector field can now also be colored
by the values from other scalar, vector or tensor fields; new adaptive
high order visualization mode; new options (Solver.SocketCommand,
Solver.NameCommand, View.ArrowSizeProportional, View.Normals,
View.Tangents and General.ClipFactor); fixed display of undesired
solver plugin popups; enhanced interactive plugin behaviour; new
plugins (HarmonicToTime, Integrate, Eigenvectors); tetrahedral mesh
file reading speedup (50% faster on large meshes); large memory
triangular/tetrahedral meshes; the solver interface now supports
TCP/IP connections; new generalized raise mode (allows to use complex
expressions to offset post-processing maps); upgraded Netgen kernel to
version 4.4; new optional TIME list in parsed views to specify the
algorithm; various other small bug fixes and enhancements.
New in 1.56: new post-processing option to draw a scalar view raised
by a displacement view without using Plugin(DisplacementRaise) (makes
drawing arbitrary scalar fields on deformed meshes much easier);
better post-processing menu (arbitrary number of views+scrollable+show
view number); improved view->combine; new horizontal post-processing
scales; new option to draw the mesh nodes per element; views can now
also be saved in "parsed" format; fixed various path problems on
Windows; small bug fixes.
New in 1.55: added background mesh support for Triangle; meshes can
views); added GUI for clipping planes; new interactive
enhanced 3D iso computation; enhanced lighting; many small bug fixes.
alternative 3D algorithm); Extrude Surface now always automatically
creates a new volume (in the same way Extrude Point or Extrude Line
create new lines and surfaces, respectively); fixed UNV output; made
the "Layers" region numbering consistent between lines, surfaces and
volumes; fixed home directory problem on Win98; new
Plugin(CutParametric); the default project file is now created in the
home directory if no current directory is defined (e.g., when
between the orientation of geometrical surfaces and the associated
surface meshes; added automatic orientation of surfaces in surface
loops; generalized Plugin(Triangulate) to handle vector and tensor
views; much nicer display of discrete iso-surfaces and custom ranges
using smooth normals; small bug fixes and cleanups.
New in 1.53: completed support for second order elements in the mesh
module (lines, triangles, quadrangles, tetrahedra, hexahedra, prisms
and pyramids); various background mesh fixes and enhancements; major
performance improvements in mesh and post-processing drawing routines
(OpenGL vertex arrays for tri/quads); new Plugin(Evaluate) to evaluate
arbitrary expressions on post-processing views; generalized
Plugin(Extract) to handle any combination of components; generalized
"Coherence" to handle transfinite surface/volume attributes; plugin
options can now be set in the option file (like all other options);
added "undo" capability during geometry creation; rewrote the contour
guessing routines so that entities can be selected in an arbitrary
order; Mac users can now double click on geo/msh/pos files in the
Finder to launch Gmsh; removed support for FLTK 1.0; rewrote most of
the code related to quadrangles; fixed 2d elliptic algorithm; removed
all OpenGL display list code and options; fixed light positioning; new
BoundingBox command to set the bounding box explicitly; added support
New in 1.52: new raster ("bitmap") PostScript/EPS/PDF output formats;
new Plugin(Extract) to extract a given component from a
post-processing view; new Plugin(CutGrid) and Plugin(StreamLines);
improved mesh projection on non-planar surfaces; added support for
second order tetrahedral elements; added interactive control of
element order; refined mesh entity drawing selection (and renamed most
of the corresponding options); enhanced log scale in post-processing;
better font selection; simplified View.Raise{X,Y,Z} by removing the
scaling; various bug fixes (default postscript printing mode, drawing
of 3D arrows/cylinders on Linux, default home directory on Windows,
default initial file browser directory, extrusion of points with
non-normalized axes of rotation, computation of the scene bounding box
integrated version 2.0 of the MSH mesh file format; new option to
compute post-processing ranges (min/max) per time step; Multiple views
can now be combined into multi time step ones (e.g. for programs that
generate data one time step at a time); new syntax: #var[] returns the
size of the list var[]; enhanced "gmsh -convert"; temporary and error
files are now created in the home directory to avoid file permission
issues; new 3D arrows; better lighting support; STL facets can now be
converted into individual geometrical surfaces; many other small
improvements and bug fixes (multi timestep tensors, color by physical
New in 1.50: small changes to the visibility browser + made visibility
scriptable (new Show/Hide commands); fixed (rare) crash when deleting
views; split File->Open into File->Open and File->New to behave like
most other programs; Mac versions now use the system menu bar by
default (if possible); fixed bug leading to degenerate and/or
duplicate tetrahedra in extruded meshes; fixed crash when reloading
New in 1.49: made Merge, Save and Print behave like Include (i.e.,
open files in the same directory as the main project file if the path
View.AlphaChannel to set the transparency factor globally for a
post-processing view; new "Combine Views" command; various bug fixes
New in 1.48: new DisplacementRaise plugin to plot arbitrary fields on
deformed meshes; generalized CutMap, CutPlane, CutSphere and Skin
plugins to handle all kinds of elements and fields; new "Save View[n]"
command to save views from a script; many small bug fixes (configure
tests for libpng, handling of erroneous options, multi time step
New in 1.47: fixed extrusion of surfaces defined by only two curves;
created through geometrical transformations; new PDF and compressed
PostScript output formats; fixed numbering of elements created with
"Extrude Point/Line"; use $GMSH_HOME as home directory if defined.
New in 1.46: fixed crash for very long command lines; new options for
setting the displacement factor and Triangle's parameters + renamed a
couple of options to more sensible names (View.VectorType,
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
New in 1.44: new reference manual; added support for PNG output; fixed
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
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
New in 1.39: removed all non-free routines; more build system work;
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
Christophe Geuzaine
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New in 1.37: generalized smoothing and cuts of post-processing views;
Christophe Geuzaine
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better Windows integration (solvers, external editors, etc.); small
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
orientation of elements in 2D anisotropic algorithm; minor user
interface polish and additions (mostly in post-processing options);
New in 1.33: new parameterizable solver interface (allowing up to 5
user-defined solvers); enhanced 2D aniso algorithm; 3D initial mesh
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, ...).
shading, new combined PS/LaTeX output format); more interface polish;
fixed extra memory allocation in 2D meshes; Physical Volume handling
New in 1.30: interface polish; fix crash when extruding quadrangles.
extrusions; fixed coherence bug in Extrude Line; various small
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
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
geometrical entities optional (Geometry.AutoCoherence=0); various
Christophe Geuzaine
committed
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
New in 1.25: fixed bug with mixed recombined/non-recombined extruded
meshes; Linux versions are now build with no optimization, due to bugs
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
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
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
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
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;
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
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
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
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
format; corrected animation on Windows; corrected file creation in
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
New in 0.998: corrected bug introduced in 0.997 in the generation of
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
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...
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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.