Mike Chaney's Tech Corner

Technical Discussions => General Photography Discussion => Topic started by: kieranmullen on April 17, 2011, 06:35:02 PM



Title: tool to split 500 mb jpg/
Post by: kieranmullen on April 17, 2011, 06:35:02 PM
I have a 500 jpg that I need to split (GIS file)

Does anyone have any suggestions for auto splitting to sheet sized resolutions 8x11 ?

thanks!

KM


Title: Re: tool to split 500 mb jpg/
Post by: Terry-M on April 17, 2011, 07:48:47 PM
Hi KM,
I'm trying to understand what you mean by "splitting to sheet sized resolutions 8x11".
Do you mean that you want to print it on multiple 8x11 sheets? If so, Qimage has a "poster" feature for printing an image on multiple sheets. Qimage takes care of the resolution automatically.
Terry


Title: Re: tool to split 500 mb jpg/
Post by: kieranmullen on April 17, 2011, 07:51:35 PM
qstudio cant read files that large.

rastorbator cant load it either out of memory


Title: Re: tool to split 500 mb jpg/
Post by: Terry-M on April 17, 2011, 08:26:39 PM
Quote
qstudio can't read files that large
That depends on your computer resources rather than Q-SE
If you click Help in Q-SE, click "Analyse Current Settings" with the shift key held down, you get information on the largest image size that can be handled by Q-SE on your system.
For example, on my W7-64, 6GB RAM machine the figure is 2000MB.
I think the "size" is calculated from the image resolution, ie.(H pixels x V pixels)x3/1000MB. The x3 is for RGB.

Tell us what resolution the (500MB) image is? can it be produced at a smaller size?
Sorry I know nothing of GIS files other than what I saw from a quick glance at Wikipedia.
Terry


Title: Re: tool to split 500 mb jpg/
Post by: jeffjessee on April 17, 2011, 08:34:38 PM
Where did you get a 500mb jpg? My Canon 5D Mark II only produces about 20 megs, even raw. So you must have created the file in another program. There is no need to feed Qimage a file that large, unless you are printing a highway billboard! Give us the details, and maybe we can suggest a better way. For instance, there's no need to increase the number of pixels in a file before printing it in Qimage, as Qimage can take the original file and do that as it prints, and do it better that the $700 graphics programs.

Jeff Jessee