JavaScript Image Annotation Library | Annotorious

Features:

• Load pre-defined annotations from a JSON file.
• Drag and drop to create new annotations from an editor popup.
• Based on the W3C WebAnnotation model.

How to make use of it:

1. Install and import the An notorious as a module.

# NPM
$ npm install @recogito/annotorious --save

import { Annotorious } from '@recogito/annotorious';

2. Download the package deal and insert them annotorious.min.js into the HTML doc.

<script src="annotorious.min.js"></script>

3. Initialize the An notorious on the picture.

<img id="example" src=" " data-lazy-src="?is-pending-load=1" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class=" jetpack-lazy-image"><noscript><img id=example src=" " /></noscript>

var anno = Annotorious.init({
    image: 'example'
});

4. Define your annotations in a w3c.json file and load it on the web page load.

// annotations.w3c.json
[
  { 
    "@context": "http://www.w3.org/ns/anno.jsonld",
    "id": "#unique-ID-Here",
    "type": "Annotation",
    "body": [{
      "type": "TextualBody",
      "value": "Comments Here"
    }, {
      "type": "TextualBody",
      "purpose": "tagging",
      "value": "Tag 1"
    }, {
      "type": "TextualBody",
      "purpose": "tagging",
      "value": "Tag 2"
    }],
    "target": {
      "selector": [{
        "type": "FragmentSelector",
        "conformsTo": "http://www.w3.org/TR/media-frags/",
        "value": "xywh=pixel:270,120,90,170"
      }]
    }
  }
]

anno.loadAnnotations('annotations.w3c.json');

5. Enable read-only mode.

var anno = Annotorious.init({
    image: 'example',
    readOnly: true
});

6. Disable the editor popup.

var anno = Annotorious.init({
    image: 'example',
    headless: true
});

7. Add a brand new annotation to the picture following the construction you’ve seen within the annotations.w3c.json.

// add an annotation
anno.addAnnotation(annotation [, readOnly]);

// add an array of annotations
anno.setAnnotations(annotations);

8. Remove an annotation from the picture.

anno.removeAnnotation(ID);

9. Get all annotations.

anno.getAnnotations();

10. Select an annotation.

// select the current annotation
anno.selectAnnotation();

// select a specific annotation
anno.selectAnnotation(ID);

11. Show/hide the annotations.

anno.setAnnotationsVisible(TRUE/FALSE);

12. Apply a customized template to the annotation.

anno.applyTemplate(template, openEditor[TRUE/FALSE]);

13. Destroy the instance.

anno.destroy();

14. Event handlers.

anno.on('selectAnnotation', function(annotation) {
  console.log('selected', annotation);
});

anno.on('createAnnotation', function(a) {
  console.log('created', a);
});

anno.on('updateAnnotation', function(annotation, previous) {
  console.log('updated', previous, 'with', annotation);
});

anno.on('deleteAnnotation', function(annotation) {
  console.log('deleted', annotation);
});

anno.on('mouseEnterAnnotation', function(annotation, event) {
  console.log('mouseEnter', annotation);
});

anno.on('mouseLeaveAnnotation', function(annotation, event) {
  console.log('mouseLeave', annotation);
});

Annotating An Image In JavaScript, Image Annotation for Web, Image & Text Annotation Plugins, JavaScript Image Annotation

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