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All releases of GAMGI

  •  22 Oct 2009 21:16
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    Release Notes: This release has implemented and tested (on Linux/Mac OS X) new GtkFileChooser dialogs, using only GTK 2.* low-level widgets, so it has the new technology without the constraints imposed by the official GTK 2.* GtkFileChooser dialog. It compiles properly with the flags -DG*_DISABLE_DEPRECATED, and should be ready for GTK 3.0. Most of the low-level engine code to handle multiple object selection has been added.

    •  23 Sep 2009 21:47
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      Release Notes: This release adds 9 geometry and 9 topology properties to the report produced by Group->Create in Polytope mode. It implements and tests Group->Modify for Polytopes, including transitions in Autonomy and type of polytope: polyhedron, plane, and direction. It adds Help documentation for Group->Create, Group->Modify, Atom->Create, and Atom->Modify. It fixes bugs and has new screenshots.

      •  10 Aug 2009 15:14
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        Release Notes: A new algorithm to merge coplanar faces in 3D polytopes has been designed, implemented, and tested. Tolerance for visible and coplanar polytope faces is now controlled by users in Group->Create. There is an improved layout for Atom->Create and Atom->Modify interfaces. A wide range of GTK 1 deprecated functions have been replaced with new GTK 2 routines. A few drawing bugs have been fixed.

        •  15 Jul 2009 13:22
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          Release Notes: A couple of bugs were fixed in chem and gtk code, including a nasty brown paper bag that crashed the new polytope code in many systems. Everything that can be measured with Atom->Measure can now be modified with the new Atom->Modify dialog. The oldest dialog in Gamgi, Group->Modify, has been replaced by a new dialog to modify Groups, including polytopes.

          •  13 May 2009 14:23
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            Release Notes: The polytope code was improved, tested, and cleaned. The way data is stored was redesigned to increase maintenance and readibility. Speedups were added to make the code more efficient. This code builds a 3D convex hull for 50,000 atoms under 3 seconds on the developer's desktop system. The corresponding graphic interface was moved from Cell->Link to Group->Create. New options (Autonomy) and defaults (color, neighbor elements, number of neighbors) were added. The (GTK 1) GTK_OBJECT casts in all g_signal_connect calls were removed.

            •  28 Apr 2009 14:00
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              Release Notes: The polytope code is now working in 1D (producing a range of atomic directions), 2D (producing a range of atomic planes), and 3D conditions (producing a range of polyhedra atomic groups). The 3D convex hull incremental algorithm is still operating with restrictions (the code to handle coplanar faces is switched off). The code is temporarily available from Cell->Link and then Link Polytope. This is very important to describe crystallographic structures such as minerals, superconductors, etc. but also to analyze glasses, liquids, etc.

              •  29 Mar 2009 18:05
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                Release Notes: All the GTK 1 menus have now been replaced by GTK 2 combo boxes. The GTK interface has been written (currently only in Cell->Link) to build 3D and 2D polytopes around central atoms. The polytope code has been rewritten, and the remaining sampling code needed to get polytope neighbors written. All the polytope sampling, starting, and exporting code has been debugged and tested, except for the core incremental algorithm code. A bug in the XML code when importing crystallographic directions with centered nodes has been fixed.

                •  07 Jan 2009 21:27
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                  Release Notes: This release fixes a few copyright issues raised by the Debian legal team. It includes most of the code needed to implement a fast, sophisticated 3D convex hull incremental algorithm. This is array-based (to be faster), with arrays of cell lists (to speed up sampling) and conflict lists (to be NlogN), and can handle coplanar issues, non-triangular faces, periodic boundary conditions, etc. It will be useful to describe arbitrary sets of arbitrary polyhedra defined by atoms, such as in superconductors, silicates, glasses, etc.

                  •  30 Oct 2008 17:31
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                    Release Notes: This release merges all the X3D (the new XML version of VRML) code developed by Tiago Farto, after extensive cleanup. This includes code to describe all the objects currently supported by GAMGI as layers, cells, clusters, molecules, groups, planes, directions, atoms, bonds, and texts. As X3D handles a single 3D space (while GAMGI handles multiple 3D spaces through layers), only objects in the current layer are exported; the other layers are ignored.

                    •  04 Aug 2008 14:16
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                      Release Notes: This is a bug fix release. Several new and old bugs, simple but puzzling and affecting productivity, were clarified and removed. The Cell Align option menus (Gtk 1) were converted to combo boxes (Gtk 2). The mass and radius defaults were updated.

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