Re: [gdal-dev] GDAL block cache question

2008-10-10 Thread Lucena, Ivan
Chris, > I doubt it -- at least not with raster data. A while back wx's vector > drawing was pretty limited (no alpha support), but it now has a better > drawing API, or you can use it with Agg or Cairo, or?? There may well be > other reasons to choose QT, but I doubt they are specific to Geos

Re: [gdal-dev] GDAL block cache question

2008-10-10 Thread Christopher Barker
Ivan Lucena wrote: Did you take a look at OSSIM? At some point in the past, they were wx-based, though I don't know what they are up to now. It seams like they switched to qt. I know it is possible to find a lot of references on the web where wx, qt, gtk, even Tcl/TK are compared. But I am wond

Re: [gdal-dev] GDAL block cache question

2008-10-09 Thread Ivan Lucena
On Thu, 2008-10-09 at 11:32 -0700, Christopher Barker wrote: > > "Luke Roth" <[EMAIL PROTECTED]> ha scritto: > > >> wxWidgets for the GUI. While I'm developing in Windows, the only > >> dependencies so far are wxWidgets and GDAL, so it should cross-compile > >> on Linux pretty easily. As for the

Re: [gdal-dev] GDAL block cache question

2008-10-09 Thread Christopher Barker
"Luke Roth" <[EMAIL PROTECTED]> ha scritto: wxWidgets for the GUI. While I'm developing in Windows, the only dependencies so far are wxWidgets and GDAL, so it should cross-compile on Linux pretty easily. As for the target imagery, I'm looking at pretty large aerial and satellite images (DOQQs

Re: [gdal-dev] GDAL block cache question

2008-10-08 Thread Antonio Valentino
Il giorno Wed, 8 Oct 2008 16:23:16 -0400 "Luke Roth" <[EMAIL PROTECTED]> ha scritto: > Antonio, > > A lot of questions, let's see ... yes, it's a c++ application, using :) I'm very curious because I started a similar project http://sourceforge.net/projects/gsdview/ http://gsdview.sourceforge.n

Re: [gdal-dev] GDAL block cache question

2008-10-08 Thread Antonio Valentino
Il giorno Wed, 8 Oct 2008 14:02:23 -0400 "Luke Roth" <[EMAIL PROTECTED]> ha scritto: > Hi everybody, > > I've been working on writing an image viewer using GDAL, and I'd like Hi Luke, unfortunately I don't have an answer for you but I would like to ask you some more about the application you are

Re: [gdal-dev] GDAL block cache question

2008-10-08 Thread Frank Warmerdam
Luke Roth wrote: Hi everybody, I've been working on writing an image viewer using GDAL, and I'd like to take advantage of the block cache to avoid keeping multiple copies of things in memory where I can. I'm currently using the GetLockedBlockRef() function, which works well, but can sometimes l

[gdal-dev] GDAL block cache question

2008-10-08 Thread Luke Roth
Hi everybody, I've been working on writing an image viewer using GDAL, and I'd like to take advantage of the block cache to avoid keeping multiple copies of things in memory where I can. I'm currently using the GetLockedBlockRef() function, which works well, but can sometimes lead to large delays