# eVision

> eVision 26.10.0 documentation


2026, Euresys

## Pages in this subsection

- [EasyMatrixCode1 (deprecated)](index.html.md): Documents the deprecated EasyMatrixCode data matrix reader library and explains why to migrate to EasyMatrixCode2 instead.
- [Specifications](specifications.html.md): Defines the data matrix code structure and the size, contrast, and quiet-zone specifications supported by the deprecated EasyMatrixCode library.
- [Supported Symbols](supported_symbols.html.md): Lists the ECC000-ECC140 and ECC200 data matrix symbol sizes, capacities and error correction rates supported by the deprecated EasyMatrixCode library.
- [Workflow](workflow.html.md): This library is deprecated, use &#42;&#42;EasyMatrixCode2&#42;&#42; instead.
- [Learning a Matrix Code](learning_a_matrix_code.html.md): How to learn a data matrix code model with the deprecated EasyMatrixCode reader to speed up and restrict subsequent code reads.
- [Computing the Print Quality](computing_the_print_quality.html.md): How to compute BC11, ISO 15415, ISO 29158, and SEMI T10-0701 print quality grades with the deprecated EasyMatrixCode library.
- [Using GS1 Data Matrix Codes](using_gs1_data_matrix_codes.html.md): Explains how to interpret GS1-compliant data matrix code contents read by the deprecated EasyMatrixCode library.

## Optional

- [Top-level llms.txt](../../../../llms.txt): Complete documentation index.
