Hi, yes, not common... and not easy to work with. Thanks, i'll look kakadu. Tanguy.
----- Original Message ----- From: "Rahkonen Jukka" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, February 09, 2006 4:49 PM Subject: Re: [UMN_MAPSERVER-USERS] use of Jpeg2000 ? Hi, Not most common type of image. I suggest you to download executables from www.kakadusoftware.com and start playing with kdu_expand. It is possible that you must read some old mails from user forum about high bit-depth images but not necessarely, those problems are usually in compression. If you are lucky you will get an image in .ppm or .bmp format and you can go on. -Jukka- -----Original Message----- From: Ricaille Tanguy [mailto:[EMAIL PROTECTED] Sent: Thu 9.2.2006 17:30 To: Rahkonen Jukka; [email protected] Subject: Re: [UMN_MAPSERVER-USERS] use of Jpeg2000 ? Hi, i have jp2 files in approximately 927*927 pixels in 4 multispectral bands, coded in 16bits, and i need to provide 500*500 pixels in 3 multispectral bands, coded in 8 bits, as a quick look for this image. I try to use gdal_translate -ot Byte -of JPEG -b 1 -b 2 -b 3 test.jp2 test.jpeg, but result is completly black. I have try ather parameter and it is each time the same result. Do you have any idee? Thanks. Tanguy. ----- Original Message ----- From: "Rahkonen Jukka" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, February 08, 2006 5:59 PM Subject: Re: [UMN_MAPSERVER-USERS] use of Jpeg2000 ? Hi, If you want to convert jpeg2000 images to other formats you can use for example gdal_translate utility. Jpeg2000 images do not behave badly at all with MapServer, so if that is the final goal then it might be worth a trial to use them as they are. Regards, -Jukka Rahkonen- -----Original Message----- From: UMN MapServer Users List on behalf of Ricaille Tanguy Sent: Wed 8.2.2006 18:27 To: [email protected] Subject: [UMN_MAPSERVER-USERS] use of Jpeg2000 ? Hello everybody, i need to use pictures in jpeg2000 format. How can i read the content of those files, use it, and save it again under jpeg, gif, or other formats and compressions levels ? Great thanks. Tanguy.
