P: Printing to roll paper "auto roll length"

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Community Beginner ,
Feb 16, 2022 Feb 16, 2022

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MacOS Big Sur.

 

When I print from Lightroom Classic to roll paper (on an Epson SC-P7500), I know how wide I want the print to be (usually 610mm). I have to estimate the height, then choose a "paper size" to match that height. I have a large number of defined paper sizes and presets so I can usually pick the right one, but it's a tedious chore.

 

In QImage One for Mac, I can select a box marked "auto roll length", and QImage will handle that chore, presumably by calculating the height and communicating it to the Epson driver.

 

It would be awfully nice to have a similar check box, with similar functionality, in Lightroom.

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LEGEND ,
Feb 16, 2022 Feb 16, 2022

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Isn't this pretty easy to calculate?  Using you Width/Height terminoligy the formula should be"

 

(Printer Width MMs / Number of Image Width Pixels) X Number of Image Height Pixels) = Printer Height MMs

 

Using your 610 mm width and an example 1830 X 6000 Pixel photo it should be:

(610/1830)X6000=2000 so roll length is 2000MM

 

NO guessing should be required. 

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Community Beginner ,
Feb 17, 2022 Feb 17, 2022

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I wasn't suggesting that any guesswork was needed; and yes, of course it is usually easy to calculate. But why should I have to do arithmetic, with the possibility of error, when the computer which is about to send the data to the printer can do it for me? Why do I need a calculator to make a print? There's also the issue of more complex layouts, which are trickier to deal with and more prone to error. 

 

If QImage can do it, why not LR?

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Adobe Community Professional ,
Feb 17, 2022 Feb 17, 2022

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quote

If QImage can do it, why not LR?


By @Jeremy Roussak


If Lightroom can stitch panoramas, why can't QImage? Lightroom can't do it because it wasn't implemented, that's all. Maybe Adobe felt it did not have priority, because calculating the size is no big deal. And so you filed a feature request to implement it. 

-- Johan W. Elzenga

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Community Beginner ,
Feb 17, 2022 Feb 17, 2022

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Thanks, Johan. Very informative.

Jeremy

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Advocate ,
Mar 14, 2022 Mar 14, 2022

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I would love to have this implemented.  Not hard for me to do manually, but seems like a task that LR could do for me.  It's all about ease of use.

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