[JPP-Devel] R: R: Fwd: [Freegis-list] Binary Format For Features

2007-04-02 Thread P . Rizzi Ag . Mobilità Ambiente
> Hi Paolo, > > Nice to hear you, you surely have a good experience about > database-access. > I like the idea of an embedded database. > I have made some tests in the past with jump+hsqldb, but I didn't get > any memory improvement (I have not much dbms knowledge and I may have > done mistakes

Re: [JPP-Devel] R: R: Fwd: [Freegis-list] Binary Format For Features

2007-04-02 Thread Michaël Michaud
Hi Paolo, >Hi Michaël, >I'm sorry but I don't have any experience with HSQL, H2, or Derby, >so I can't tell how they would perform in JUMP, both from a speed >and a memory-use point of view. > > At least, your database experience is welcome ;-) >This aside, I found that having a "real", albei

[JPP-Devel] Questions about binary format for features...

2007-04-02 Thread Sunburned Surveyor
This message is directed mostly at Frank, but I included the JPP mailing list in case other JPP Developers want to comment. I've been thinking some more about a binary format for the exchange of features, and I have been taking a look at the API for Java's DataInputStream class and DataOutputStre

Re: [JPP-Devel] Questions about binary format for features...

2007-04-02 Thread Frank Warmerdam
Sunburned Surveyor wrote: > This message is directed mostly at Frank, but I included the JPP mailing > list in case other JPP Developers want to comment. > > I've been thinking some more about a binary format for the exchange of > features, and I have been taking a look at the API for Java's >

Re: [JPP-Devel] Questions about binary format for features...

2007-04-02 Thread Sunburned Surveyor
Frank, I think we can work together towards a solution that will work for the both of us. I'll revisit the specification I posted earlier and make some changes that it supports multiple features. I will also sketch up a format for a binary index. For my needs in OpenJUMP I can just use the same