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Gwyddion is a modular program for SPM (scanning probe microscopy) datavisualization and analysis. Primarily it is intended for the analysis of heightfields obtained by scanning probe microscopy techniques (AFM, MFM, STM,SNOM/NSOM) and it supportsa lot of SPM data formats.However, it can be used for general height field and (greyscale) imageprocessing, for instance for the analysis of profilometry data or thicknessmaps from imaging spectrophotometry.
Gwyddion provides a large number ofdata processing functions, includingall the standard statistical characterization, levelling and data correction,filtering or grain marking functions. And since the developers are activeSPM users, the program also contains a number of specific, uncommon, odd andexperimental data processing methods they found useful – and you may find themuseful too.
Gwyddion is Free and Open Source software, covered byGNU General Public License.It aims to provide a modular program for 2D data processing andanalysis that can be easily extended by third-party modules and scripts.Moreover, thanks to being free software, it provides the source code todevelopers and users, which makes easier both verification of its dataprocessing algorithms and further program improvements.
Gwyddion works on GNU/Linux, Microsoft Windows, Mac OS Xand FreeBSD operating systems on common architectures. All systems can beused also for development. It has a modern graphical user interface basedon the widely portable Gtk+ toolkit, consistentacross all the supported systems.
News
| Current versions | |
| Gwyddion: | 2.59 |
| libgwyfile: | 1.4 |
| gwydump: | 2.1 |
| gwyiew: | 2.0 |
| threshold: | 2.5 |
2021-07-23:Along with data analysis, Gwyddion also offers a number of modules forgeneration of artificial SPM data (and patterns in general, seeGIMP plug-in replacements).If you want to know how artificial data can be used in SPM, you can readour recent reviewin which we summarised the methods and applications.
2021-06-28:Version 2.59 “Definition Diet” was released. The biggest change was invisible,a major cleanup of module parameter handling. However, it was accompanied withmany small improvements in dozens of modules. See thedetailed news for the complete list of changes.
2021-02-14:We switched TeX equations in the on-line user guide from PNG to SVG. Theynow look cleaner, scale nicely with the page, etc. All non-ancient webbrowsers should have reasonable SVG support – but please report if equations donot display correctly for you.
2021-02-09:Version 2.58 “Plainly Planar” was released. It mainly fixes masked planelevelling, broken in 2.57. However, it includes a few other improvements, forinstance in Renishaw support, a new perspective correction function and a newJapanese translation. See the detailed news forthe full list of changes.
2020
2020-12-28:Version 2.57 “Professing Profiles” was released. Again, there are a bunchof improvements in file format support, but also new profile extraction andcomparison functions, data classification using neural networks and more. Seethe detailed news for the full list ofchanges.
2020-09-17:Several new functions added to Gwyddion in the last two releases implement ideas described in our recent papers.Image terrace fittingand Graph terrace fittingimplement algorithms described in the Si step evaluation paper.The new Correlation length toolwas a repeatedly requested feature. However, it also helps with checking ifimage dimensions are sufficiently larger than the autocorrelation length forroughness measurement – as discussed in a couple of papers,one more technicaland one more high-level.
2020-07-29:To get working Gwyddion packages in Ubuntu you can use theGwyddion-SPM PPAinstead of the broken distro packages(bug 1882441). The PPA also provides more current versions of Gwyddion.
2020-07-12:Gwyddion package in Ubuntu 20.04 (possibly other versions?) is broken, failingto load any modules at startup due to linking issue. Seebug 1882441in Launchpad. At present there is no known workaround aside for compilationfrom source code (as dscribed in the bug report).
2020-06-30:Version 2.56 “Semiscale” was released. The main improvements are in fileformat support, but there is also a new tool for autocorrelation lengthestimation and the usual bunch of bugfixes and smaller improvements. See thedetailed news which contain the complete list ofchanges.
2020-06-08:Version 1.4 oflibgwyfilewas released. This is mainly a bugfix release, which also adds a couple offunctions for object and item copying.
2020-06-02:Version 1.3 oflibgwyfilewas released. The main addition is an interface for GWY files in memorybuffers. The library was also updated to handle new data types introduced inGwyddion 2.53.
2019
2019-11-04:Version 2.55 “Zzz…” was released. It is mainly a bugfix release bringing backZIP support in file import modules. However, there are also a few new volumedata modules or a number of file format support improvements. See thedetailed news for the complete list.
2019-09-22:Version 2.54 was, unfortunately, relased without ZIP support, meaning thata bunch of file formats cannot be loaded: APE DAX, OpenGPS, JPK force data,NanoObserver, NanoScanTech, Olympus POIR, Sensofar PLUx and SPMx. Thisaffects not just MS Windows executables, but ZIP support is silently disabledalso when you compile from source code. We will be releasing 2.55 in severalweeks with a fix. Please use version 2.53 or development snapshots meanwhileif you need to read some of the affected file formats.
2019-09-04:Version 2.54 added twosynthetic datamodules, one directly inspired by an old Yeti'sGIMP plug-in.We updated the replacementinformation to illustrate all the recently added data generators.
2019-08-27:Version 2.54 “A Small Step” was released. It fixes a large number of bugs,but also brings a dozen new modules – data process, file, graph – and varioussmaller improvements. See thedetailed news for the complete list.
2019-06-05:Gwyddion is now available as Flatpak app,a cross-distro way of installing stable bundled applications. See thedownload page for more. In relatednews, the Fedora 30 repository should be finally working.
2019-05-09:We added a paperdescribing some recently added MFM data processing methods to thepublication list.
2019-03-06:Apatchfor version 2.53 was published, fixing Gwyddion being unable to find icons andsimilar data on a Mac.See also Patches.
2019-02-28:Apatchfor version 2.53 was published, fixing a compilation error with GCC 9. Itbreaks compilation with other GCC versions, so only apply it when necessary.See also Patches.
2019-02-28:Version 2.53 “OMGOMP” was released. It adds OpenMP parallelisation for a bunchof data processing operations. There are also improvements in basic tools,a few new modules and some bug fixes as usual. See thedetailed news for the complete list.
2018
2018-11-21:We would like to invite you to the next biannualSPM workshopwhich will take place in Lednice (Czech Republic), 27–29 March 2019.Registration will open in November (or December).
2018-11-15:Apatchfor version 2.52 was published, fixing a build failure on macOS.See also Patches.
2018-11-14:Version 2.52 “Thoroughly Transferred” was released. It brings a few new fileimport modules, some improvements mainly in MFM and volume data processing andquite a few bug fixes. See the detailed news forthe complete list.
2018-10-17:Since Debian is – unfortunately – is going to terminate GTK+2 support, notethat it will become rather difficult to install and use Gwyddion in Debian.Not much can be done except the recommendation to use a Linux distributionwhich values backward compatibility instead.
2018-06-26:Version 2.51 “Astronomical Almanac” was released. It brings over a dozen newmodules, many of them MFM and volume data processing-related. See thedetailed news for the complete list ofimprovements and bug fixes.
2018-04-11:Code revisions 20955–20958 were lost due to a SF.net outage. The code itselfhas been recommitted, however, the new revision history is not identical. Ifyou have a working copy updated to the lost revisions, you may be getting errormessages from svn. Please assume your working copy is toast and check outa fresh one if it happens.
2018-03-16:We are happy to announce the publication of the second edition of the bookQuantitative Data Processing in Scanning Probe Microscopyby Elsevier. It includes descriptions of many ideas in (and behind) Gwyddion,as well as basics of different physical quantities measurements andinterpretation using Scanning Probe Microscopy. It is accompaniedwith a set of freely available sample data coveringvarious types of SPM measurements.
2018-02-02:Version 2.50 “Triangular Trap” was finally released. See thedetailed news for the complete list ofnew modules, file format support improvements and other changes.
2017
2017-09-17:Yeti's talk Gwyddion – Open source software for SPM data analysiswas added to presentations.
2017-08-28:Apatchfor version 2.49 was published, fixing build problems when sed is BSD sed,i.e. on Mac OS X and BSD systems.See also Patches.
2017-08-15:Version 2.49 “Window to the West” was released. As usual, it brings a bundleof new modules and various improvements – and also module bundles. The mostnoticeable changes are, nevertheless, a new much nicer icon set by Felix Klingand a better widget for adjusting the bazillion parameters of variousalgorithms. See the detailed newsfor the complete list of changes.
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2017-08-12:Petr's talk Gwyscan – library for smart scanning paths aboutgwyscanwas added to presentations. See also therelated paper.
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Gwyddion development is supported byDepartment of Nanometrology, Czech Metrology Institute.