On Nov 25, 2008, at 10:03 AM, Søren Hauberg wrote: > tir, 25 11 2008 kl. 09:48 -0500, skrev Robert Fong-tom: >> 1) The description of the image package lists buildrequires - jpg- >> devel. Do I need to install jpg-devel before installing the image >> pkg? If so where can I get it? I googled for it but could not find >> it. > > You do not need this. If you have the 'jpg-devel' (that's the name on > Linux) library installed, the 'image' package will create a function > called 'jpgread' that allows you to read JPEG files. This is, however, > not needed -- see later. > >> 2) Can someone give me instructions for installing ImageMagick for >> MAC OS X 10.4.11 so that it works with Octave/Image pkg? I tried >> using the instructions given in the Octave readme file for installing >> the gsl package but this did not work (it failed to make). i got the >> ImageMagick-6.4.6-2.tar.gz from the ImageMagick ftp site. > > I cannot help you there as I don't use Mac. > >> 3) Is GraphMagick also a requirement? I see some comments about this >> in some of the forums but it is not listed as a requirement in the >> Image package description on octavesourceforge.net. > > The 'image' package should use ImageMagick. If you have this (remember > to also get developer libraries), the 'image' package will create > functions 'imread' and 'imwrite' that allows you to read images in > many > formats (including JPEG which is why jpg-devel really isn't needed). > > In Octave 3.2 'imread' and 'imwrite' will come with core Octave. These > functions will use the GraphicsMagick libraries, instead of > ImageMagick. > This is the reason you're seeing GraphicsMagick mentioned. As long as > you use 3.0.x you should not need this library. > > > Thanks for your response. So if I understand you correctly, I don't need jpg-devl or GraphMagick but I will have to install ImageMagick to get functions imread and imwrite for jpg, png and tif files from Octave-Image.
I am hoping someone will give me some advise on how to install ImageMagick so that it works with the Image package! ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Octave-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/octave-dev
