# eVision

> eVision 26.10.0 documentation


2026, Euresys

## Pages in this subsection

- [Matching and Measurement Code Snippets](index.html.md): This section provides code snippets for the Matching and Measurement &#42;&#42;eVision&#42;&#42; libraries.
- [EasyObject Code Snippets](easyobject/index.html.md): Browse code snippets demonstrating EasyObject usage in C++, C#, and Python for eVision machine vision applications.
- [Image Segmenter Code Snippet](easyobject/imagesegmenter.html.md): This code snippet shows how to build blobs according to a user-defined image segmenter.
- [Continuous Mode Code Snippet](easyobject/continuousmode.html.md): This code snippet shows how to build and draw blobs in the continuous mode context.
- [Holes Extraction Code Snippet](easyobject/holesextraction.html.md): This code snippet shows how to retrieve blobs' holes.
- [Computing Blobs Features Code Snippet](easyobject/computingblobsfeatures.html.md): This code snippet shows how to retrieve blobs' features.
- [Looping over the runs of an object Code Snippet](easyobject/objectruniterator.html.md): This code snippet shows how to loop over the runs of an object.
- [Selecting and Sorting Blobs Code Snippet](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 Code Snippet](easyobject/usingeobjecttemplatematcher.html.md): This code snippet shows how to use EObjectTemplateMatcher for alignment and template matching.
- [EChecker Code Snippets](easyobject/echecker/index.html.md): Code snippets demonstrating EChecker with eVision's EasyObject, shown in C++, C#, and Python.
- [EChecker with a Single Image Code Snippet](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 Code Snippet](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 Code Snippets](easymatch/index.html.md): Browse code snippets demonstrating EasyMatch usage in C++, C#, and Python for eVision machine vision applications.
- [Pattern Learning Code Snippet](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 Code Snippet](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 Code Snippet](easymatch/patternlearningwitheregion.html.md): This code snippet shows how to learn a pattern whose region of interest is defined by an ERegion.
- [EasyFind Code Snippets](easyfind/index.html.md): Browse code snippets demonstrating EasyFind usage in C++, C#, and Python for eVision machine vision applications.
- [Pattern Learning Code Snippet](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 Code Snippet](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 Code Snippet](easyfind/patternfindingandretrievingresults.html.md): This code snippet shows how to perform pattern finding operations and retrieve the results.
- [Learning Using a DXF File Code Snippet](easyfind/patternlearningandfindingwithdxf.html.md): This code snippet shows how to perform pattern learning and finding operations using a DXF file.
- [EasyFind Legacy API Code Snippets](easyfind/legacy/index.html.md): The snippets below use the legacy &#42;&#42;EasyFind&#42;&#42; API.
- [Learning Using an EPolygonShape Code Snippet (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 Code Snippets](easygauge/index.html.md): The &#42;&#42;Calibration using EWorldShape (Legacy)&#42;&#42; page and the snippets under &#42;&#42;Legacy&#42;&#42; use the legacy...
- [Point Location Code Snippet](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 Code Snippet](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 Code Snippet](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 Code Snippet](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 Code Snippet](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 Code Snippets](easygauge/gauge_grouping/index.html.md): Code snippets demonstrating Gauge Grouping with eVision's EasyGauge, shown in C++, C#, and Python.
- [Complex Gauge Measurement Code Snippet](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 Code Snippets](easygauge/gauge_grouping/legacy/index.html.md): The snippets below use the legacy &#42;&#42;EasyGauge&#42;&#42; API.
- [Complex Gauge Measurement Code Snippet (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 Code Snippet (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 Code Snippets (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 Code Snippet (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 Code Snippet (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 Code Snippet (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 Code Snippet (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 Code Snippet (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 Code Snippets](easygauge/legacy/index.html.md): Browse code snippets demonstrating legacy EasyGauge usage in C++, C#, and Python for eVision machine vision applications.
- [Point Location Code Snippet (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 Code Snippet (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 Code Snippet (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 Code Snippet (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 Code Snippet (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.
