Hey,
does anyone know of any image editing software that can handle a 40000 x 14000 pixel image?
Thanks in advance,
jeez
my 10 mega pixel camera makes smaller pics than that
try the GIMP 
Just make sure you have enough ram, and GIMP should be able to.
Maybe you could record a really long macro on a smaller version on the image and then ‘play’ that action on the large file… overnight…
Thanks for all the great replies guys!
The image is actually a high definition orthographic photo mosaic of a 42 mile long river system. I am going to print it out using a fancy dancy poster quality printer (about 4ft wide by 12ft long). I started to open it with the gimp but gave up after about 10 minutes cause I was getting impatient. Thanks again for the great replies and any more suggestions would be welcomed
As a bitmap, it’ll take about 2gigs of ram, so you’d probably be best working on a 64 bit system, with at least 3 gig of ram.
What type of editing do you need to do?
Hey IanC,
I just need to do a simple color exchange to remove the black areas of the map. Otherwise it would be a toner destroyer. Thanks for the data, helps me know what I am getting myself into.
Both Photoshop and GIMP could handle that. However, you would need some impressive hardware, if you are impatient.
I remember about ten years ago, when I often had to work with >200mb psd files in Pshop, on a Celeron366 with 128mb ram. Opening or saving the files would take about 10 minutes. Editing an image under tight deadlines in those circumstances is no fun at all.
What you probably need is an app that can do proxies of high resolution images. Shake does this to allow you to edit high resolution footage on low end machines. I’ve used it to edit 2000 pixels+ animations on machines with 512MB-1GB Ram. You then just save the output to file.
So you edit a 1/4 or 1/8 resolution file and in the background, it edits the original file. Shake isn’t designed for print though and it works in RGB. I think CMYK images actually make it crash.
I don’t get why image software developers don’t build a paging feature into their software so that when it opens an image it knows will take more than your Ram, it only opens a tile of the image. Then it allows you to switch from one tile to the next. This is how Hex editors work when allowing you to edit the binary parts of files that are GB in size. They can open 4GB+ files instantly because of this.
No worries. I’d suggest writing a small program to do it for you instead. That way you can read in 100 meg, remove pixels darker than a threshold, dump the 100meg and repeat.
ebow3d
gimp is able to read in the image but photoshop is not. I tried color exchange and went to bed but when I woke up gimp had given an error message and my attempt was unsuccessful.
IanC,
Sadly I am not well awares of scripting with images as it is my hobby mostly. Give me some VBA and/or Matlab and I can do a little damage but otherwise it’s a no go. If anyone can point me to scripting tutorials as IanC has talked about that would be great! Thanks again. Woodman5k
Well, Photoshop should be able to do it, only if your hardware can. Your image should work out to around 2.1gb. Thus, you would need at least 3gb ram, better more, and enough hdd space for your swop file.
Also, you have to tell Pshop how much ram it may use in the preferences.
However, IanC’s suggestion of some sort of script would propably be easier, only I don’t know much about programming at all.
Hmm, if you have matlab it might be worth a go. You could probably do it in about 3 lines.
im=imread(file);
imwrite(newfile,im>0);
Something like that, anyway. (I haven’t checked the syntax, or if the threshold thing works)