# eVision

> eVision 26.10.0-beta.2.dev documentation


2026, Euresys

## Pages in this subsection

- [Matching and Measurement](index.html.md): This section provides code snippets for the Matching and Measurement **eVision** libraries.
- [EasyObject](easyobject/index.html.md): Browse code snippets demonstrating EasyObject usage in C++, C#, and Python for eVision machine vision applications.
- [Image Segmenter](easyobject/imagesegmenter.html.md): This code snippet shows how to build blobs according to a user-defined image segmenter.
- [Continuous Mode](easyobject/continuousmode.html.md): This code snippet shows how to build and draw blobs in the continuous mode context.
- [Holes Extraction](easyobject/holesextraction.html.md): This code snippet shows how to retrieve blobs' holes.
- [Computing Blobs Features](easyobject/computingblobsfeatures.html.md): This code snippet shows how to retrieve blobs' features.
- [Looping over the runs of an object](easyobject/objectruniterator.html.md): This code snippet shows how to loop over the runs of an object.
- [Selecting and Sorting Blobs](easyobject/selectingandsortingblobs.html.md): This code snippet shows how to build blobs, select some of them and sort the selected ones.
- [Using the Object Template Matcher](easyobject/usingeobjecttemplatematcher.html.md): This code snippet shows how to use EObjectTemplateMatcher for alignment and template matching.
- [EChecker](easyobject/echecker/index.html.md): Code snippets demonstrating EChecker with eVision's EasyObject, shown in C++, C#, and Python.
- [EChecker with a Single Image](easyobject/echecker/echecker_single_image.html.md): This code snippet shows how to train an EChecker with a single image and then inspect an image.
- [EChecker with Multiple Images](easyobject/echecker/echecker_multiple_images.html.md): This code snippet shows how to train an EChecker with multiple images and then inspect an image.
- [EasyMatch](easymatch/index.html.md): Browse code snippets demonstrating EasyMatch usage in C++, C#, and Python for eVision machine vision applications.
- [Pattern Learning](easymatch/patternlearning.html.md): This code snippet shows how to learn, with EasyMatch, a pattern defined by a region of interest (ROI).
- [Setting Search Parameters](easymatch/settingsearchparameters.html.md): This code snippet shows how to tune pattern matching search parameters and save them into a file.
- [Pattern Matching and Retrieving Results](easymatch/patternmatchingandretrievingresults.html.md): This code snippet shows how to perform pattern matching operations and retrieve the results.
- [Pattern Learning with ERegion](easymatch/patternlearningwitheregion.html.md): This code snippet shows how to learn a pattern whose region of interest is defined by an ERegion.
- [EasyFind](easyfind/index.html.md): Browse code snippets demonstrating EasyFind usage in C++, C#, and Python for eVision machine vision applications.
- [Pattern Learning](easyfind/patternlearning2.html.md): This code snippet shows how to learn, with EasyFind, a pattern defined by a region of interest (ROI).
- [Setting Search Parameters](easyfind/settingsearchparameters2.html.md): This code snippet shows how to tune pattern finding search parameters and save them into a file.
- [Pattern Finding and Retrieving Results](easyfind/patternfindingandretrievingresults.html.md): This code snippet shows how to perform pattern finding operations and retrieve the results.
- [Learning Using a DXF File](easyfind/patternlearningandfindingwithdxf.html.md): This code snippet shows how to perform pattern learning and finding operations using a DXF file.
- [Legacy](easyfind/legacy/index.html.md): The snippets below use the legacy **EasyFind** API.
- [Learning Using an EPolygonShape (Legacy)](easyfind/legacy/patternlearningandfindingwithshapeslegacy.html.md): This code snippet shows how to perform pattern learning and finding operations using legacy EPolygonShape to define the model.
- [EasyGauge](easygauge/index.html.md): The **Calibration using EWorldShape (Legacy)** page and the snippets under **Legacy** use the legacy...
- [Point Location](easygauge/pointlocation.html.md): This code snippet shows how to create a point location tool, adjust its parameters, set the gauge position and retrieve the result.
- [Line Fitting](easygauge/linefitting.html.md): This code snippet shows how to create a line measurement tool, adjust its parameters, set the gauge position and retrieve the result.
- [Circle Fitting](easygauge/circlefitting.html.md): This code snippet shows how to create a circle measurement tool, adjust its parameters, set the gauge position and retrieve the result.
- [Rectangle Fitting](easygauge/rectanglefitting.html.md): This code snippet shows how to create a rectangle measurement tool, adjust its parameters, set the gauge position and retrieve the result.
- [Wedge Fitting](easygauge/wedgefitting.html.md): This code snippet shows how to create a wedge measurement tool, adjust its parameters, set the gauge position and retrieve the result.
- [Gauge Grouping](easygauge/gauge_grouping/index.html.md): Code snippets demonstrating Gauge Grouping with eVision's EasyGauge, shown in C++, C#, and Python.
- [Complex Measurement](easygauge/gauge_grouping/complexmeasurement.html.md): This code snippet shows how to use frame of reference to define gauges from the result of other gauges.
- [Legacy](easygauge/gauge_grouping/legacy/index.html.md): The snippets below use the legacy **EasyGauge** API.
- [Complex Measurement (Legacy)](easygauge/gauge_grouping/legacy/complexmeasurementlegacy.html.md): This code snippet shows how to trigger the measurement of a whole gauge hierarchy and retrieve the results using the legacy EasyGauge API.
- [Gauge Hierarchy (Legacy)](easygauge/gauge_grouping/legacy/gaugehierarchylegacy.html.md): This code snippet shows how to create a gauge hierarchy and save it into a file using the legacy EasyGauge API.
- [Calibration using EWorldShape (Legacy)](easygauge/calibration_using_eworldshape_legacy/index.html.md): Code snippets demonstrating Calibration using the legacy EWorldShape class with eVision's EasyGauge, shown in C++, C#, and Python.
- [Calibration by Guesswork (Legacy)](easygauge/calibration_using_eworldshape_legacy/calibrationbyguessworklegacy.html.md): This code snippet shows how to perform a calibration by guesswork using the legacy EasyGauge API.
- [Landmark-Based Calibration (Legacy)](easygauge/calibration_using_eworldshape_legacy/landmarkbasedcalibrationlegacy.html.md): This code snippet shows how to perform a landmark-based calibration using the legacy EasyGauge API.
- [Dot Grid-Based Calibration (Legacy)](easygauge/calibration_using_eworldshape_legacy/dotgridbasedcalibrationlegacy.html.md): This code snippet shows how to perform a dot grid-based calibration using the legacy EasyGauge API.
- [Coordinates Transform (Legacy)](easygauge/calibration_using_eworldshape_legacy/coordinatestransformlegacy.html.md): This code snippet shows how to convert coordinates from the Sensor space to the World space and conversely using the legacy EasyGauge API.
- [Image Unwarping (Legacy)](easygauge/calibration_using_eworldshape_legacy/imageunwarpinglegacy.html.md): This code snippet shows how to unwarp an image based on the computed calibration coefficients by using the legacy EasyGauge API.
- [Legacy](easygauge/legacy/index.html.md): Browse code snippets demonstrating legacy EasyGauge usage in C++, C#, and Python for eVision machine vision applications.
- [Point Location (Legacy)](easygauge/legacy/pointlocationlegacy.html.md): This code snippet creates a point location tool, adjusts its parameters, sets the gauge position and retrieves the result, using the legacy EasyGauge API.
- [Line Fitting (Legacy)](easygauge/legacy/linefittinglegacy.html.md): This code snippet creates a line measurement tool, adjusts its parameters, sets the gauge position and retrieves the result, using the legacy EasyGauge API.
- [Circle Fitting (Legacy)](easygauge/legacy/circlefittinglegacy.html.md): This code snippet creates a circle measurement tool, adjusts its parameters, sets the gauge position and retrieves the result, using the legacy EasyGauge API.
- [Wedge Fitting (Legacy)](easygauge/legacy/wedgefittinglegacy.html.md): This code snippet creates a wedge measurement tool, adjusts its parameters, sets the gauge position and retrieves the result, using the legacy EasyGauge API.
- [Rectangle Fitting (Legacy)](easygauge/legacy/rectanglefittinglegacy.html.md): This code snippet creates a rectangle measurement tool, adjusts its parameters, sets the gauge position and gets the result, using the legacy EasyGauge API.

## Optional

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