Hi Peppe,
Wow! Pretty impressive hot water to me. I wasn't sure it was possible to
get all four working on the same JRE, especially to default to the system
JRE. SkyJUMP needs JRE 1.6, by the way, so you were lucky with that.
>Why to embed a JRE machine on Skyjump?
It is simply to cut down on technical support from our military users. They
have a lot of funny rules about what Java version must be used, etc. By
installing an embedded JRE and renaming it, I bypass a lot of bureaucracy.
When you monitor processes in the PC, you don't see Java running, you see
SkyJUMP, so it looks like a "real" application.
As to why SkyJUMP opens faster, I believe that it is simply the overhead
that internationalization adds that slows down OpenJump. Of course, SkyJUMP
has some optimizations in loading tasks and rendering that I haven't ported
over due to the JRE 1.6 requirements.
thanks,
Larry
On Tue, Dec 2, 2008 at 1:25 PM, Giuseppe Aruta <[EMAIL PROTECTED]>wrote:
> Hi all,
> finally I set a portable version of Skyjump for my pen drive. Of coarse
> SkyJump is already portable (with its own embedded JRE 1.5.0). My idea was
> to have only one JRE on my pen used buy all the softwares (OpenJUMP, Kosmo,
> GvSIG and SkyJUMP).
> The structure of the folders of my "pen GIS station" is: JRE, OpenJUMP,
> SKyJUMP. etc
> To make SkyJUMP portable I did these steps:
> 1) Skyjump depends to SKYJUMP.exe (java platform library) with the same
> name of the launche but embedded on SKYJUMP embedded Java machine (1.5.0, I
> think). I moved SKYJUMP.exe to the SKYJUMP/SKYJUMP main folder
> 2) I opened SKYJUMP.INI with a notepad (in SKYJUMP/SKYJUMP/BIN folder) and
> added this line, after "-vn" line: "..\Skyjump.exe
> These are the results:
> a) Skyjump works fine and points the JRE embedded on my pendrive
> (JRE1.6.05)
> b) If there is no JRE on my pendrive (with its folder at the same level of
> the Skyjump one), Skyjump points to the default JRE of my computer (JRE
> 1.6.10)
> c) b) happens wherever I move the software on my computer.
>
> Of coarse somebody can say, as we say in Italian, that "I discover the hot
> water" - but it was not easy to understand for a non-developer, like me
> (except some DOS).
>
> My question to Larry are conceptual:
> Why to embed a JRE machine on Skyjump? It seems to work fine even without
> (of coarse I did not test its functions to see if there are problems)
>
> I am quite impress how fast Skyjump works. My alterate version opens even
> in 1/3 of time compared to OpenJUMP and seems to require less memory. What
> are really the difference between the two softwares?
>
> I also noted that using Skyjump workbench-properties.xml file in OpenJUMP,
> it is possible to open some plugins, like Jithon console, even if they not
> work. My impression is that the two softwares are more close than it seems
> to be. And I think this happens also thanks to Larry's efforts to
> move/improve tools fron Skyjump to OJ.
>
> Regards and Thanks Larry!
>
>
> Peppe
>
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>
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