I’m now using open instead of readandwrite…
Yakir Gagnon The Queensland Brain Institute (Building #79) The University of Queensland Brisbane QLD 4072 Australia cell +61 (0)424 393 332 work +61 (0)733 654 089 On Fri, May 15, 2015 at 10:27 AM, Yakir Gagnon <12.ya...@gmail.com> wrote: > Thanks! > OK, I finally found the commit you were talking about (commit > 7ba0d6093c093acfc5c1d71fa3cad1ff33bccdfc). I managed to find an example for > the stuff I wanted: > > cmd = `convert $filename -depth $bitdepth $colorspace:-` > stream, _ = readsfrom(cmd) > nchannels = length(colorspace) > data = read(stream, T, nchannels, sz...) > > But I couldn't find this mysterious readsfrom. I suspect it's something > to do with OSX (I'm on linux). I blindly switched it with readandwrite on > a complete whim. And it works!!! > > I'll be happy to know if this is sub-optimal. > > > On Friday, May 15, 2015 at 12:08:01 AM UTC+10, Tim Holy wrote: >> >> If you dig through the commit history of Images.jl, at some point you'll >> find >> the commit that switched from using Cmd to the C api for interacting with >> ImageMagick. That should have quite a few examples. >> >> --Tim >> >> On Thursday, May 14, 2015 05:25:19 AM Yakir Gagnon wrote: >> > Can someone please post a simple example of reading an image stream >> from >> > imagemagick? >> > >> > So something like this (though this doesn't work): >> > >> > cmd = `convert img.png <do some imagemagick things that I wish I could >> do >> > with Images.jl but are only possible with imagemagick> -compress none >> ppm:-` >> > I = imread(readall(cmd),Images.PPMBinary) >> > >> > I'm trying to avoid writing the image imagemagick created to disk and >> read >> > it straight into julia. The readall(cmd) part works awesome, it spews >> all >> > the image "bits" to the stdout. But I can't get imread to pick it up as >> an >> > image. >> > >> > Thanks in advance! >> >>
