release JSV1.07


JSV requires © Sun Microsystem's JDK1.2 .
I have tested JSV under Windows98 and Linux RedHat5.2

In this release I added the possibility to open a Java3D window for true 3D graphics. However, this requires the Java3D classes to be installed, which are presently available for Windows, Solaris and for LINUX (check http://www.blackdown.org).

new in JSV1.07:
New moduls are diffractogram viewers for Micro-Powd's *.cmb files, MDI's *.mdi files and FAT-RIETANS Igor files, as well as a interstitial viewer, which I derived from the XRDL viewer. Double clicking on the XRDL display area now switches to a Bragg position stick diagram. Several structure data formats may now be imported. Furthermore a visibility switch lets you switch atom types on/off. For convenience I also implemented a history list, which records the last five loaded files. The generated cell data/properties can now be viewed in an extra cell-list window. A VRML viewer modul lets you view generated VRML97 files. Last but not least you can now specify color and style for each bond.

You might still encounter some problems, that I am not aware of now. I cannot test all aspects, although I try to write this program as general as possible. At the moment JSV might still be somewhat slow, depending on your CPU. As newer and faster CPUs arrive in the market this will work in the favour of JAVA programs like JSV. I tested Sun Microsystems new Hot Spot Java interpreter. I could, however , not note any speed improvements. This might be due to the fact that HotSpot speeds up calculations, whereas the actual drawing time per frame does not change much. A major performace critical point is available RAM memory. You need at least 32 Mb. However it works best with 64Mb or more. The point is that the RAM has to hold the WINDOWS operating system, the JAVA interpreter (which is like an additional operating system) and JSV with all its data itself. WINDOWS and the interpreter take already lots of RAM. If you have many atoms and bonds, rotations might be slow with 32 Mb.

JSV1.07 is Careware and can be copied and distributed freely as long as no profit is made by doing so. If you like JSV please do support UNICEF (United Nations Children's Fund).

User feedback is expected, so that I can improve JSV.

Steffen Weber, May 15, 1999

request:
JSV1.07 is free. However, I would appreciate if you would send me some nice GIF/JPG images that you generate with it. You can mail them to
weber@nirim.go.jp .

credits:
The GIF encoder routine is by Jef Poskanzer (www.acme.com) and one of the JPG encoders is by James R.Weeks (BioElectroMech). The space group file is based on F.Izumi's file SPGRA and POWDER CELL's file slx.dat by W.Krause & G.Nolze (pcw1.0, BAM Berlin). The included VRML viewer I downloaded from the VRML-Java3D workgroup. However, I modified it slightly to suit it to JSV.