From 21c052918c5ade82828149bed39da4fbc2125e39 Mon Sep 17 00:00:00 2001 From: Martin Gross Date: Fri, 15 Nov 2019 18:53:58 +0100 Subject: [PATCH] Fix FAQ on linear barcodes spelling --- doc/user/faq.rst | 44 ++++++++++++++++++++++---------------------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/doc/user/faq.rst b/doc/user/faq.rst index 2788c00626..71795a10fd 100644 --- a/doc/user/faq.rst +++ b/doc/user/faq.rst @@ -62,21 +62,21 @@ future, but we're not there yet. If you're just *testing* the check-in capabilities and want to clean out everything for the real process, you can just delete and re-create the check-in list. -Why does pretix not support any 1D (linear) barcodes? +Why does pretix not support any 1D (linear) bar codes? ----------------------------------------------------- -We often get asked, why pretix depends on QR codes instead of more traditional 1D barcodes. More often than not, people -tend to already own linear (laser) barcode scanners. +We often get asked, why pretix depends on QR codes instead of more traditional 1D bar codes. More often than not, people +tend to already own linear (laser) bar code scanners. -The truth is: we have deliberately chosen not to support 1D barcodes - and that for multiple reasons. +The truth is: we have deliberately chosen not to support 1D bar codes - and that for multiple reasons. -1. 1D barcodes would get very long: - The barcode contains the "ticket secret" - a long alphanumeric string which uniquely identifies the ticket across all +1. 1D bar codes would get very long: + The bar code contains the "ticket secret" - a long alphanumeric string which uniquely identifies the ticket across all events in the system. By default it is 32 characters long, but it could be even longer if the future ever makes it - necessary. Making the barcode shorter would expose the system to easier means of fraud if the customer can just try + necessary. Making the bar code shorter would expose the system to easier means of fraud if the customer can just try out random character/letter combinations, until they find a valid one. - Of course, we could just put the 32 characters or more into a regular, 1D barcode - but these barcodes are huge! See + Of course, we could just put the 32 characters or more into a regular, 1D bar code - but these bar codes are huge! See for yourself: * Code-128: @@ -84,27 +84,27 @@ The truth is: we have deliberately chosen not to support 1D barcodes - and that * Code-39-alpha: .. image:: 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 - This is getting to a point, where scanning the barcode from a phone screen is nearly impossible. + This is getting to a point, where scanning the bar code from a phone screen is nearly impossible. -2. 1D barcodes are not robust - Scanning it from paper is a whole different adventure: Linear Barcodes have little to no redundency. Meaning, if - someone would fold their printed ticket in a way that the barcode got a kink in it which could prevent the scanner +2. 1D bar codes are not robust + Scanning it from paper is a whole different adventure: Linear bar codes have little to no redundancy. Meaning, if + someone would fold their printed ticket in a way that the bar code got a kink in it which could prevent the scanner from reading it, there is no way to recover. - A QR-code however, while also not 100% immune to kinking it, has some redundency built into it, so that even - slightly damaged barcodes are still readable. + A QR-code however, while also not 100% immune to kinking it, has some redundancy built into it, so that even + slightly damaged bar codes are still readable. -3. Laser barcode scanners dont work on (most) phone screens - To be fair: There is a variety of barcode scanners out there. But when people ask about linear barcode support - because their existing scanners are professional grade, they are talking about laser barcode scanners. +3. Laser bar code scanners dont work on (most) phone screens + To be fair: There is a variety of bar code scanners out there. But when people ask about linear bar code support + because their existing scanners are professional grade, they are talking about laser bar code scanners. - Unfortunately, laser barcode scanners tend to have a lot of issues when used on cell phone screens: Nowadays, most + Unfortunately, laser bar code scanners tend to have a lot of issues when used on cell phone screens: Nowadays, most phone screens are made of glass - and laser scanners cannot scan anything from glass screens. That is also the - reason why most companies that use barcode scanners use CCD barcode scanners - even if they are only/mostly scanning - linear barcodes. + reason why most companies that use bar code scanners use CCD bar code scanners - even if they are only/mostly + scanning linear bar codes. -You can see that we're not not putting 1D barcodes into pretix to annoy you - it really is about practicability in the +You can see that we're not not putting 1D bar codes into pretix to annoy you - it really is about practicability in the end. -However: Most professional barcode scanners allow for the scan-engine to be swapped out for a 2D-engine. It certainly +However: Most professional bar code scanners allow for the scan-engine to be swapped out for a 2D-engine. It certainly won't be cheap - but depending on the manufacturer it might still be more affordable than replacing the scanners.