My point was not so much that there were Java libraries that exactly  
duplicated the functionality of Tcl specific C libraries, but that  
developing such libraries is much faster in Java than in C.   
Additionaly, there are libraries that can be rapidly interfaced to  
Jacl that give similar, and often more extensive, functionality.

For example, as an alternative to the graphing tools found in BLT  
I've written some simple interfaces to JFreeChart ( http:// 
www.jfree.org/jfreechart/ ).  With these interfaces I can put put  
JFreeChart graphs on the Swank canvas.  A bit more work and one would  
have a much more extensive charting library than what BLT provides.   
And as far as I can tell there are platform issues with BLT.  For  
example, it seems from the wiki pages on BLT ( http://wiki.tcl.tk/ 
199 ) that it doesn't run with Tk Aqua on the Mac.  Jacl/Java  
implementations pretty much run anywhere, often no compilation  
needed, just plug in the jar file.

As an alternative to the vector tools in BLT I use Colt ( http:// 
dsd.lbl.gov/~hoschek/colt/ ).  Again, just add one jar file to your  
classpath and have scripted access to a huge library of math and  
statistics.

What's not to like?


Bruce



On Feb 22, 2007, at 7:43 AM, Virden, Larry W. wrote:

> 
> 
> 
>  -----Original Message-----
>  From: Charles Oliver Nutter
> >  What
>  library exists in the C world that we don't have an analog for in  
>  Java?
> 
>  Tix, BLT ... I suspect there are dozens of Tcl specific C libraries
>  which have no Java counterpart...
> 
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