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 CAD / Development / 370
    Re: Java LDraw/LDLite —Greg Williams
   I actually thought of this long ago and mentioned it to LDraw Master James himself. He didn't sound very interested in it at the time because he didn't think java was fast enough to support it. I sorta dropped the idea after that. I'm glad Todd made (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
   
        Re: Java LDraw/LDLite —Matthew Bates
     (...) standard (...) To me, that would be the primary advantage of a Java version[1], I haven't played with LDraw much because the biggest thing that put me off is the parts database, half the models I look at seem to have missing parts and when I (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Steve Bliss
     (...) An online database isn't going to completely address your two issues -- missing parts and parts which haven't been created. Typically, parts will be missing from a model either because (a) the parts aren't made yet (and it's actually problem (...) (26 years ago, 1-Mar-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Jasper Janssen
     (...) What happens when a part is move, with a moved_to file, and a model is loaded and edited? Does the editor save the _new_ part number, or the old? If you have it automatically saving the _new_ part number, you could make a ~moved_to file for (...) (26 years ago, 1-Mar-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Steve Bliss
     (...) The editors I know of (LEdit and LDAO) don't automatically update moved parts. But it is a good idea that they should do so. I'm adding it to my list of suggestions. (...) It seems like someone (Lars? Tore? Leo?) wrote a program that would (...) (26 years ago, 2-Mar-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Jeremy H. Sproat
      (...) That's me. (...) This only works for models in ldraw\models, but not for any in sub-directories. I'm not sure how one would go about automating the update of models in arbitrary directories. Cheers, - jsproat (26 years ago, 2-Mar-99, to lugnet.cad.dev, lugnet.cad)
     
          Re: Java LDraw/LDLite —Steve Bliss
      (...) That would be a challenge -- there's no master list of all DATs on the system, so it would be a matter of searching the hard-drive, but only updating valid LDraw DAT files. Blech. There should (and may be) a utility that can clean up all files (...) (26 years ago, 2-Mar-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Terry Keller
     (...) Yep, it is ARJ. Specifically ARJ version 2.30. I don't recall anything about launching another program from the extractor in this version (which is pretty old) A quick search of the docs didn't turn up anything either. -- Terry K -- (26 years ago, 3-Mar-99, to lugnet.cad.dev, lugnet.cad)
   
        Re: Java LDraw/LDLite —John VanZwieten
      Greg Williams wrote in message <36D6A432.8476B943@m...ng.com>... (...) features (...) done 3d (...) else's (...) for (...) As (...) free (...) Greg, this would be awesome. I think we need an option like this for Ldraw to really take off. Just think (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
   
        Re: Java LDraw/LDLite —Jeremy H. Sproat
     (...) I've though a bit about this -- I think I would prefer uncompressed individual files, as this would make parts updates easier on the server end. Just copy the /P and /PARTS dirs to the Web server. (1) <DEVILS_ADVOCATE> However, the JDK now has (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Greg Williams
      (...) Yes, definitely if as an app would you have all the files locally. I was talking about an applet that would not. You don't want to have to download the entire zip file every time because it would be fairly large. Having individually compressed (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
     
          Re: Java LDraw/LDLite —Todd Lehman
      [removed lugnet.cad from Newsgroups line] (...) I think the speed comparison depends on whether you use mod_perl or CGI+Perl or a specialized Perl HTTP daemon. Of course, if the code running on the server is Java, a Servlet is almost certainly the (...) (26 years ago, 27-Feb-99, to lugnet.cad.dev)
     
          Re: Java LDraw/LDLite —Greg Williams
      (...) There is a servlet program plugin for Apache on Linux or NT at (URL) We're using the IIS version of it on NT. It is nice and speedy for java servlets. I assume the lugnet server is Linux. (...) Hmm... how long does it take ldlite to render an (...) (26 years ago, 27-Feb-99, to lugnet.cad.dev)
     
          Re: Java LDraw/LDLite —Todd Lehman
       (...) No, it runs FreeBSD. (Not that there's anything wrong with Linux.) --Todd (26 years ago, 27-Feb-99, to lugnet.cad.dev)
      
           Re: Java LDraw/LDLite —Greg Williams
       That would probably cut out the servlet possibility, then. There isn't a very good implementation of java for FreeBSD (no JIT), and I'm not sure about a Java Servlet implementation, either. (...) (26 years ago, 27-Feb-99, to lugnet.cad.dev)
      
           Re: Java LDraw/LDLite —Jasper Janssen
       (...) aren't FreeBSD and Linux nigh-on binary-compatible, let alone cross-compilable? Jasper (26 years ago, 27-Feb-99, to lugnet.cad.dev)
     
          Re: Java LDraw/LDLite —Paul Gyugyi
      On my PPro150, LDLite has the following benchmarks: syntax example: ldlite_1_6.exe -MC -V3 car.dat Model Time ----- ---- car.dat 3.6 seconds wood4.dat 5.0 seconds (new syntax) bwing.dat 14.2 seconds (-S0.5) m928.dat 23.0 seconds (clipped) m928.dat (...) (26 years ago, 2-Mar-99, to lugnet.cad.dev)
    
         Re: Java LDraw/LDLite —Todd Lehman
     (...) Why not serve both compressed and uncompressed versions? (...) Amen to that! Say, Greg, how's about posting the URL of your Blacktron Galaxy Explorer over in the .build group? Probably a lot of new-timers there who haven't seen it yet. (...) (...) (26 years ago, 26-Feb-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Jasper Janssen
     (...) Isn't there something you can do to have just *one* perl interpreter running, that does all the CGIing, instead of starting up all these processes? Jasper "can't imagine at what PID that server is by now" Janssen (26 years ago, 27-Feb-99, to lugnet.cad.dev, lugnet.cad)
    
         Re: Java LDraw/LDLite —Jason Spangler
      (...) You can use FastCGI ((URL) to have one process (or a fixed group of processes) serving CGI requests so you don't have the overhead of restarting the process (interpreter or otherwise) for each request. I used it for the Lego set database I (...) (26 years ago, 27-Feb-99, to lugnet.cad.dev)
    
         Re: Java LDraw/LDLite —Todd Lehman
     [lugnet.cad removed from Newsgroups header] (...) Yes, it's fairly easy to write an HTTP daemon in Perl. Pre-forking and load balancing and shared memory for optimal usage is a little more difficult. But in either case, it's just a one-liner in the (...) (26 years ago, 27-Feb-99, to lugnet.cad.dev)
   
        Re: Java LDraw/LDLite —Benoit Cerrina
   Please before starting take a look at the java3D api, I know java 2 is not yet supported directly by most browsers but its just a question of time and then you have all the 3D done for you AND you get the benefice of 3D accelerations. Greg Williams (...) (26 years ago, 28-Feb-99, to lugnet.cad.dev, lugnet.cad)
   
        Re: Java LDraw/LDLite —Greg Williams
   If I use Java 2 I can use the latest API's with it. Because of the Java plugin that Sun produces, a browser can have that installed and always have the most up to date Java implementation. This is especially important since Netscape is no longer (...) (26 years ago, 28-Feb-99, to lugnet.cad.dev)
 

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