BKChem

This bugfix release fixes problems with unicode path names on both Linux and Windows, problems with corrupted preference file preventing BKChem to start and some other bugs.As usually, more info is in progress.log, downloads on the download page.

In 0.12.1 I fixed a problem that caused H2O to appear as OH2. Unfortunately this fix also introduced a new bug - not hydrogens were automatically positioned, so OH appeared as OH regardless of position of its neighbor atom (-OH and OH-). This release ... [More] was published mainly to deal with this stupid error.This release also features an improved and polished version of BKChem icon which was contributed by Jakub Szypulka.As usually, more info is in progress.log, downloads on the download page. [Less]

Gary Bartholomew contributed a nice step-by-step tutorial that shows how to wrestle BKChem to do what you want. It contains screenshots of every step and is well commented. You can download the tutorial from the wiki howtos page.

There are some minor enhancements and fixes in the cairo_out code that might be worth checking out. More information and download links are available here.

This is a quick-bugfix release. I have found a bug that prevents reading of some files back to BKChem. It occurs when there are some atoms with font size set to different value than is the standard. I have also fixed an encoding related ... [More] bug in dialogs in the localized build.Because I have finished work on Cairo export plugin yesterday, I am releasing it together with this release. It works only on Linux (as there is no Cairo for Windows) and you have to have pycairo-0.5.1 installed (look here and here for sources). It provides very nice PDF and PNG export and supports (unlike the piddle based plugins) export of unicode strings.As usually, more info in progress.log, downloads on the download page. [Less]

I have created a RSS feed for the BKChem news. You can use it to stay tuned to the BKChem development.

The first preview release of the 0.11 branch is out. It includes many enhancements as well as bugfixes. There is for instance the ability to search a directory for BKChem files containing specified molecular fragment (with use of ... [More] free-sites, A,Q,X query atoms etc.), or a simple support for creating brackets. As with all pre-releases, the number of bugs might be slightly above average :) As usually, more info is in progress.log, downloads on the download page. [Less]

The second preview release of the 0.11 branch is out. This release focuses on improving the InChI reading capabilities. BKChem can now successfully read 98.5% of InChIs generated from the NCI database (about 120 000 compounds). More ... [More] information about this feature can be found here. Also some minor bugs in other parts of the program were fixed. As usually, more info is in progress.log, downloads on the download page. [Less]