The method I stated above will work for anyone using any rip as long as you use photoshop for design.
I have a Mimaki and use flexi so I have no idea about versaworks but like I said fallow my method above and versaworks only has to rip and print.
like bearwen, I use photoshop to set my panels, and flexi to print them, but I'm not familiar with the slice tool. I'll post how I do it & hopefully if I check back, I can be shown a better way if someone has one. (I don't fully understand Bearwen's method)
let's say it is a box truck 100" tall & 200" long & I want vertical seams.
I will probably want my artwork to be 101 x 201 for starters... & let's say I am printing on 48" media, with a print area of only 47" each.
We now know I need 5 panels, with 4 overlaps, plus I like a little extra on each end for mistakes.
I'll go with 1" laps & 1/2" extra on each end, for a total of 5" extra printing above the 200" visible area.
At this point, I like to plan things out in illustrator, and/or on a paper printed to scale. I might use a low res version of my layout, at 1 tenth scale & use guidelines in illustrator to check my seams.
With simple math, I see that I could use 5 equal panels of 41" width & if that looks good, that is what I would do. But, like one job I did, if there is one large face, I might wish to start my paneling layout there & allow a 47" panel to avoid a seam on that face. Whatever reasoning one might choose here, the result of this phase of planning is to have all 5 panel widths determined & written down for reference.
Then I open the massive high res image at 201" width, & if my sheet says each panel is to be 41", I start at one end & open up "canvas size" and set width to 41", and make sure it is cropping the side you want, (right or left... not center)... then I save as "panel 1"
now, 1 down, 4 to go & I then hit "undo" to get my 201" image back...
at this point, my paper work also has dotted lines, identifying BOTH lines at each overlap... my next print is to be 41", but 1 inch of that is duplicate information.. so my next step is to reduce the image by 40", using the "canvas size" function again, but cropping to the correct side, (if last crop was right, this crop is left) to lose the panel 1 information, except the 1" overlap... and then back to "canvas size" to crop panel 2 at 41" again...
That's all I'll type, because any more would just add confusion. I'm sure flexi can do the paneling in some one or two click automated manner.. but I like having complete control & at least with some paneling features I've used in the past, like in Omega... I sometimes feel like the automated process could foul up in midstream & not be easily replicated. For me, the method I describe looks complicated in print, but I do it quickly & without any difficulty.