Re: Re: Just trying to import an image

*To*: mathgroup at smc.vnet.net*Subject*: [mg44519] Re: [mg44497] Re: Just trying to import an image*From*: Yasvir Tesiram <yat at omrf.ouhsc.edu>*Date*: Thu, 13 Nov 2003 02:27:12 -0500 (EST)*References*: <bonnfg$h8i$1@smc.vnet.net> <bopcu5$opr$1@smc.vnet.net> <200311121301.IAA12554@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Maybe put the path to the conversion executables to your path via AppendTo[$Path, "Path_To_Conversion_Executables_in_proper_syntax_for_your_platform"] If this works, you can make the change permanent in Preferences. I am surprised that the conversion filters can't be found. Yas On Nov 12, 2003, at 7:01 AM, Bob Harris wrote: > Howdy, Steven, > > Thanks for the idea. But it seems that the problem is that Mathematica > can't find the converter. I've already figured out how to make it > find the > image. > > Bob H > >> From: "Steven Shippee" <slshippee at comcast.net> To: mathgroup at smc.vnet.net > To: mathgroup at smc.vnet.net >> Organization: Comcast Online >> Newsgroups: comp.soft-sys.math.mathematica >> Date: Tue, 11 Nov 2003 01:10:29 +0000 (UTC) >> Subject: [mg44519] [mg44497] Re: Just trying to import an image >> >> To make it easy to debug, try putting the file (the "image") in a root >> directory somewhere (of your "c" drive or your "d" drive), and also >> ensure >> it has no spaces in the file name, for example, use something like >> c:\practice.jpg or c:\practice.bmp. >> >> Then you could run the command >> >> myimage=Import["c:\practice.jpg"]; >> >> and manipulate myimage from there. >> >> Steven >> >> shippee at jcs.mil >> >> >> >> "Bob Harris" <nitlion at mindspring.com> wrote in message >> news:bonnfg$h8i$1 at smc.vnet.net... >>> Howdy, >>> >>> Have an assignment in an computer vision class I'm taking. Thought >>> I'd >> try >>> fiddling around with it in Mathematica. Have run into the second or >>> third >>> brick wall, just trying to bring an image into Mathematica. Am in >>> need of >>> help. >>> >>> For starters, I found Import[] in the big book and tried it: >>> Import ["vl100.gif"] >>> The file vl100.gif is in the same directory as the mathematica >>> notebook >> that >>> I launched. But that seems not to be one of the places mathematica >>> looks. >>> So I just got a file not found error. So be it. >>> >>> I figured there must be a way to convince mathematica to look for >>> the file >>> where e file is. After stumbling around for a while in the book and >>> in >> the >>> help browser, I finally found the SetDirectory command. So looking >>> at the >>> format of file paths in $Path, I did >>> SetDirectory["Kablooie:ClassesS:VisionS:Project4S"] >>> which is the path to the directory containing the file. >>> >>> So then I tried >>> Import ["vl100.gif"] >>> again, and I get >>> Experimental`RegisterConverter::noexe: Could not find the >>> executable GIF.exe in any of { <<65>>, <<74>>, <<83>>, GIF.exe}. >>> >>> Now, I'm running this using mathematica 4.0.1.0 for the Mac on a >>> PowerMac >> G3 >>> running OS 9.0.4. Yes, I know I haven't upgraded in a while, but it >>> sure >>> seems like what I'm trying to do is supposed to work on my >>> configuration. >>> >>> The error message suggests that it doesn't have the executable code >>> to >>> handle gif images. I tried .pgm format and got the same result. >>> Since >> both >>> are listed in the big book I figured it's pointless to try other >>> formats. >>> Those two should've worked. >>> >>> I did a search of my hard drive and I do find a gif.exe (and hdf.exe, >>> jpeg.exe, pnm.exe, and tiff.exe) in the folder >>> ... MathematicaS:SystemFiles:Converters:Binaries:PowerMac >>> So it seems like it's got 'em, and it's just not looking for them. >>> >>> Can anyone point me toward a way to get this working? >>> >>> Thanks for any help, >>> Bob H >>> >>

**References**:**Re: Just trying to import an image***From:*Bob Harris <nitlion@mindspring.com>