Manual Segmention on Page 2+

[b2m]

I am in the Ground Truth Production step in OCR4All and open page 2 in the Segmentation mode.

Example steps to reproduce (reduced to minimum):

1. Load Project
2. Perform Preprocessing
3. Go to Ground Truth Production
4. Open page 2
5. Try to manually add a segment

Expectation: I would expect to be able to manually segment the page.

Note: The segmentation is working on page 1. The automatic segmentation is also only performed on page 1.

Version: Larex was used via docker and the current ls6uniwue/ocr4all:nightly with Larex 0.5-RC3.

JavaScript Console:

Uncaught Error: Edit Mode is left while still creating a Rectangle
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/editor.js:97
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/viewer.js:96
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/viewer.js:94
    emit http://localhost:8080/Larex/resources/js/paper.js:652
    emit http://localhost:8080/Larex/resources/js/paper.js:12848
    _handleMouseEvent http://localhost:8080/Larex/resources/js/paper.js:12861
    _handleMouseEvent http://localhost:8080/Larex/resources/js/paper.js:12314
    handleMouseMove http://localhost:8080/Larex/resources/js/paper.js:12065
    mouseout http://localhost:8080/Larex/resources/js/paper.js:12099
editor.js:97:14
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/editor.js:97
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/viewer.js:96
    forEach self-hosted:206
    onMouseDrag http://localhost:8080/Larex/resources/js/viewer/viewer.js:94
    emit http://localhost:8080/Larex/resources/js/paper.js:652
    emit http://localhost:8080/Larex/resources/js/paper.js:12848
    _handleMouseEvent http://localhost:8080/Larex/resources/js/paper.js:12861
    _handleMouseEvent http://localhost:8080/Larex/resources/js/paper.js:12314
    handleMouseMove http://localhost:8080/Larex/resources/js/paper.js:12065
    mouseout http://localhost:8080/Larex/resources/js/paper.js:12099

Browser

• Firefox 81.0.2
• Chrome 86.0.4240.111

Related (maybe):

• 127

[maxnth]

LAREX wasn't setting any segmentation result for pages with an empty annotation (e.g. when not running Segment or loading from an existing XML annotation) in the "segmentation-map" and therefore threw an error when a user tried to add any kind of segment to an undefined annotation. This should be fixed by 2889c8048d4eca6e4131d3278337426a68febb4b.

The fix will be available in the upcoming nightly (and stable) release.

[b2m]

Confirmed, the reported problem no longer occurs.

Thank you =)

Leaving this issue open to not disrupt your workflow.

[maxnth]

Thanks for testing.