Decoding Barcode

Analyze the image of the selected area and decodes the barcode.

How to Execute

Run Directly on Screen

Right-drag on screen to select the barcode area. Release the mouse button to open the context menu, and select Decode.

Screen R Drag Menu Decode

The decoding result is saved to Inspection Panel and displayed on screen.

Figure Decode Added

Right-click on the decoding result to open the context menu, containing the following items in addition to the default context menu items.

Menu Action
Show Toggle showing/hiding the decode result on screen.
Display/Name Toggle showing/hiding the name of the decode result on screen.
Display/Coordinates Toggle showing/hiding the coordinates of the decode result on screen.
Color Specify the display color of decode result on screen.

Run from the Decode Dialog

Do one of the following to open the Decode dialog.

  • Select Decode from the context menu of screen.
  • Right click on the blank part of Inspection Panel to open the context menu, and select Decode.

Screen Decode Dialog

Enter the area to decode in Area and press OK to begin decoding.

Load Area File and Decode

Select Load AreaFile/Decode from the main menu to display the Open AreaFile for Decode dialog.

File Dialog

Specify an Area File and press OK. The decoding is executed on each area described in the file.Refer to Area File page.

Run from the Command Line

Specify an Area File or area with --barcode-area option at startup. The decoding is executed on each area in the file or specified area after startup.

$ nebv --barcode-area=/path/to/areafile.txt ...
$ nebv --barcode-area="0,0,100,100" ...

For Area File syntax, Refer to Area File page.

See --barcode-area in Boot Options page.

Output Decoded Result to the Terminal

Specify --barcode-area option and --headless option at startup. The decoding is executed without GUI on each area in the file or specified area after startup and the results are output to the terminal. If --exit option is specified, neoEBV will be terminated after all processing is complete.

$ nebv --barcode-area=/path/to/areafile.txt --headless --exit ...
$ nebv --barcode-area=="0,0,100,100" --headless --exit ...

Restrictions

  • Only the following four types of barcodes can be analyzed.
    • CODE_39
    • CODE_128
    • QR_CODE
    • DATA_MATRIX
Last modified December 9, 2024