Rodolfo Medina <rodolfo.med...@gmail.com> writes: > I scan a document with: > > $ scanimage --mode Lineart --resolution 150 -x 215 -y 297 > document > > , so obtaining a fine image about 250Kb big. But, the problem is that MS > Windows can't apparently see the file, and I need to send it to other people > non Linux users. On the other hand, if I omit the `--mode Lineart' option the > file comes up too big: 6Mb or so. > > Can anyone suggest a way to aquire a document so that the resultant file is: > 1) readable by MS Windows; > 2) as small as some 200Kb?
"m. allan noah" <kitno...@gmail.com> writes: > by default, scanimage outputs in the format 'PNM', so if they have a > viewer for that type on windows, they can view it. if they dont, you > can easily convert it to many other formats using a wide variety of > utilities on your linux box. which one you choose depends on what the > windows users will do with the file. my suggestion: > > scanimage --mode Lineart --resolution 150 -x 215 -y 297 | pnmtopng > > document.png > > you will have to have the utility pnmtopng installed, it is part of > the netpbm utils package. > the files will be readable in IE. > > another option instead is to use the tiff output format of scanimage > (--format tiff) Thanks indeed, your suggestion seems to work perfectly. But, when I try to use `pnmtopng' alone, with: # pnmtopng document.pnm , the program fails: I get some messed output and nothing else. Why? Rodolfo