Data Matrix is a 2D barcode symbol designed to pack a lot of information in a very small physical space, including Reed-Solomon error correction in version ECC 200.
Questions tagged [datamatrix]
131 questions
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1 answer
How to Use Python and tiknter to Read datamatrix from Webcam in python
Reader to create a simple Windows-styled GUI app to read datamatrixfrom the webcam video stream. i'm trying to use OpenCV for Python to capture webcam frames with tkinter GUI .I am trying with pylibdmtx which works well for images but lags and…

Mehdi HDIA
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Data Matrix Barcode split to different data
I have a data matrix barcode that have the input
Data Matrix Barcode = 0109556135082301172207211060221967 21Sk4YGvF811210721
I wish to have output as below:-
Items
Output
Gtin
09556135082301
Expire Date
21-07-22
Batch…

devilgg86
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- 6
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2 answers
Convert barcode scan string to variables
I have a barcode that after being scanned it needs to be split into five variables.
Example barcode scan: 0109556135082301172207211060221967 21Sk4YGvF8
Alternate scan: 010955704600017017250630102107015
There are 5 delimiters
01 - gtin (14 DIGIT…

devilgg86
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- 6
0
votes
0 answers
gem not installing unde Monterey OS X
A rails application created with Ruby 3.1.0 and rails 7.0.3 on a Mac OS X 10.13.6 bundles all required gems using Bundler version 2.3.3
When migrating the application to Mac OS X 12.3 (monterey) with the same bundler version,
this is encountered:
An…

Jerome
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Error calling native functions in libdmtx.net
Im trying to use libdmtx.net. I compiled the project and got the libdmtx.net dll.
But I get the following error when I try to decode a datamatrix :
Message "Error calling native function." -
"Unable to find an entry point named 'dmtx_decode' in…

Alisha
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1 answer
XML string incorrectly output by TCPDF/barcode/Datamatrix
i'm converting this piece of XML string into a 2D barcode using TCPDF/Datamatrix. This is my string:
G6Y0A3
This is how i'm trying to generate the barcode:
$pdf->write2DBarcode('G6Y0A3 ', 'DATAMATRIX', 124, 189, 66, 66,…

Eduardo Escobar
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How to get Libdmtx (specifically dmtxread from dmtx-utils) running on windows (PHP)
I have built a PHP based system that decodes Datamatrix barcodes from production images, then correctly files those images and catalogues the details to a DB for ease of reference and recall.
This uses the dmtxread utility from Libdmtx, and works…

ScottG
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Barcode that can hold a large amount of data (50 mb)
I am creating an app that allows you to quickly share a file (like a photo or video). It will work by generating something like a barcode, but it can be animated or anything. Just a scannable thing that can be used to shared large amounts of data. I…

Josh
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data.matrix() keeps producing lists
I'm experiencing problem using the data.matrix() function along with lapply.
I have several .csv files which I've imported in a list, and each csv file is made of 84*84 matrix.
I want to replace all values in upper right half/ lower left half parts…

Kelly Yoo
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1 answer
HALCON - How to read low resolution ECC200 datacode in halcon?
I have the need to read this low quality ECC code using halcon 20.
I have tried all possible parameters but cannot find any combination that is able to read this code.
What seems strange to me is that if I have a look at the example codes, there are…

sharkyenergy
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3 answers
Data Matrix GS1 in python
help me please(
I can't generate DataMatrix with GS1 symbol(FNC1) in python.
when I just try the below code I can't get symbol gs1 in the screen
from ppf.datamatrix import DataMatrix
data =…

Sana
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2 answers
How to convert a 4 rows dataframe to 2*2 matrix in R?
I have a data frame like this:
name number
A 287
B 1390
C 1595
D 369
I want to get a numeric data matrix like this:
287 369
1390 1595
with this sequence:
A D
B C
which means that A and B are on the left…

candyuuu
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forcing square data matrix codes using ZXing.Net?
I was wondering if there was a way to ensure that a data matrix code created with ZXing.Net comes out as a square?
I'm not talking about the the image itself but the code itself.
I have code that generates images with data matrix codes from input…

Aidal
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Generating Datamatrix with iTextSharp using multithreading causes crash
I'm getting a crash in my code when generating a datamatrix for a label. After a lot of testing, I've determined it's due to multi-threading, however I cannot determine why.
I'm using iTextSharp v5.5.13.2(Nuget package). Code that will replicate the…

NicholaiRen
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1 answer
Bar Scanner With Google google_ml_kit: ^0.6.0
Good day,
im trying to make a data matrix barcode scanner, im trying to use google_ml_kit: ^0.6.0,
I been trying to follow the instruction in the flutter page https://pub.dev/packages/google_ml_kit. but I have not luck. im new to flutter and dart…

Cesar Rodriguez
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