Re: [JPP-Devel] Raster Image in OJ2

2021-12-02 Thread Giuseppe Aruta
Hey Ede, thanks for the explanation. Temp files sounds a way to explore the raster management. I also wonder if we explore the way to reduce using so many 2D arrays and use DataBufferDouble as single array which uses less memory I did some test on my Raster tools. I also explore a bit into

Re: [JPP-Devel] Raster Image in OJ2

2021-12-02 Thread edgar . soldin
well Peppe, again. as far as i understand, we are loading the Raster Data and Image to memory completely! with _our_ Raster-Image framework ;). so however good a image readers memory management is, the bottleneck is our implementation. what we do is - read the image data via driver - create a

Re: [JPP-Devel] Raster Image in OJ2

2021-12-02 Thread Giuseppe Aruta
Hi Ede, Does Apache commons manage the memory in a better way than JAI/ImageIO? I really don't disagree with switching to Apache Commons and, thus, simplifying the code. RasterImageIO support also reading (some) JPG 2000 (via JAI) which is not supported by Apache Commons. Peppe Il giorno gio 2

[JPP-Devel] Raster Image in OJ2

2021-12-02 Thread edgar . soldin
On 02.12.2021 06:52, jump-pilot-svn--- via Jump-pilot-devel wrote: > Revision: 6677 > http://sourceforge.net/p/jump-pilot/code/6677 > Author: ma15569 > Date: 2021-12-02 05:52:46 + (Thu, 02 Dec 2021) > Log Message: > --- > Inverted B/W color display for raster. TODO: to