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Questions tagged [datamatrix]

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.

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How to encode FNC1 starting character to make GS1 Datamatrix?

I have made string for GS1 Datamatrix è010506060985000521sn1234567890ab 1002TRIAL003 17200228 ASCII 232 (01) Product Code (aka GTIN) (21) Serial Number ASCII 29 (aka aka Group Separator) (10) Lot/Batch ASCII 29 (aka aka Group Separator) (17)…
Easyweb
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Libdmtx vs ZXing for DataMatrix Decoding?

How reliable is ZXing's barcode localization for DataMatrix decoding compared to libdmtx? I have a set of png image files of stickers (proprietary, so unfortunately I'm not able to share them) containing DataMatrix barcodes. These stickers sit on…
Neil Philip
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How to scan older dot matrix QR codes?

We use mobile vision sdk for scanning QR codes. Some older dot matrix codes scan with a time delay, and some don't scan at all. We tried zxing sdk. Though scanned with a delay, it gave wrong results (1 was the result). We tried zxing app also, but…
user1699790
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Javascript canvas square detection and orientation

I'm trying to make a DataMatrix reader in javascript that can process an image and extract the information in there. The problem is with detecting the square inside the image with the datamatrix, as this can vary in location and orientation. The…
Evertvdw
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Undefined function or variable 'DataMatrix'

I was trying to create a DataMatrix variable by calling the DataMatrix() function. But that function doesn't exist. If I type this: >> DataMatrix I got this error message: Undefined function or variable 'DataMatrix'. I did install the…
Code42
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How to restructure a dataframe in R?

I have a dataframe generated through a series of functions inserting numerical arrays. The df consists of 156 variables with 4261 observations each. I'm trying to find the mean per column, but the colMeans() functions gives the following error: >…
Pat Bateman
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Datamatrix 16x48 with TCPDF library for PHP

i need to print a datamatrix code on my pdf. Requested format by documentation is 16x48 datamatrix ECC 200. Example code is this: 18800000571920119916120010109364801000000128003896 Result must be this one: I'm using TCPDF library for PHP, and this…
StefanoV827
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Python Data Matrix Detection

By using open source library, pylibdmtx is able to detect data matrix barcode inside an image. The processing speed slower when the barcode just a small portion in a large image. It take few argument to shrink and detected the barcode Here is a part…
Jackdon Chew
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Reading DataMatrix with AVFoundation

This works with standard QR Codes, but however not with a Data Matrix like here.
Pascal
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Trying to Repeat, but data is not a multiple

So I am trying to label a data matrix with conditions; however, when I did my experiment, I had 3 tubes where I repeated the first two 7 times and the third tube 6 times. How can I code the matrix to be re-written and ignore that there is "missing"…
Aj Taylor
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Decoding DataMatrix containing GS1 seperator with Python

So I am trying to decode a data matrix that contains data that is in ISO/IEC 15434 syntax for high-capacity ADC media using Python. I am using this code: def extract_dataMatrix(self): dm_read = DataMatrix() #return…
Gaith Mtiri
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ECC200 Datamatrix Generation in PHP

Has anybody had any experience with generating 2D Barcodes for Royal Mail via PHP? I've spent a while attempting to get my own routines to write a valid datamatrix sadly to no avail. I do have working conversion routines for ASCII to C40 and Luhn 16…
RefreshCarts
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Incorrect barcode encoding data matrix

I'm developing an app on Xamarin where I need to render some strings to 2D barcodes. I'm using ZXing.Net.Mobile to do the render. I can render properly QR codes but the issue I'm having is with the Data Matrix format. I attach two images, when I…
marcos1490
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zxing Datamatrix generator creating rectangular barcode which can't be scanned

I am using barcodewriter to write datamatrix barcoe. While most of the times it creates correct square style datamatrix barcode, for some of text it creates rectangular shaped barcode. For inputData like below it creates rectangular…
DS2020
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Decode datamatrix out of picture taken by camera2 with zxing

after more than 10 hours of searching and trying I finally decided to ask here. I am using the android.hardware.camera2 library to get the image from the device camera. Now I want to automatically process the bitmap and decode a datamatrix code if…
Benni
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