0_Annotation.md

Annotation Tool Manual

User Interface

The tool consists of:

• Tool buttons: contains tool action for opening image, visible controls for annotations and orientations, data io functions for annotations.
• Main canvas: space where you can annotate orientations, and width (length will be automatically computed).
• Width slider: simple width controller for the next/selected target annotation.
• Color settings: contains key visual settings to change colors.
• Annotation list: simple list selection used for changing width or removing an annotation.

Annotation Steps

1. Open Exemplar Image

Inputs	Description
Open Image Button (Ctrl + I)	Open exemplar image (.png) with file dialog.

Note: If you run the annotation tool from our command line tool interface, the exemplar image will be loaded on the initial state.

2. Making Annotations

You can add annotations using the following inputs.

Insert Annotations

Inputs	Description
Click	Add a new vertex for the current annotation.
Double-Click	Add the last vertex for the current annotation and append it to the annotation list.
Add Button (Enter)	Append the current annotation to the annotation list.

Select Annotation

Inputs	Description
Select on Annotation List UI	Select an annotation for width control and deleting.

Change Annotation Width

Inputs	Description
Width Slider	Change the width of the selected annotation. The width value is also used for current annotation.

Delete Annotation

Inputs	Description
Delete Button (Delete)	1. Select an annotation from Annotation List UI. 2. Delete the selected annotation.

Visible Control

Inputs	Description
Visible Annotation Button	Show/hide annotations.
Visible Orientation Button	Show/hide interpolated orientations (vector field).

3. Save Annotation Data

Inputs	Description
Save Annotation Button (Ctrl + S)	Save annotation data (.json) with the file dialog.

4. Open Annotation Data

Inputs	Description
Open Annotation Button (Ctrl + O)	Open annotation data (.json) with the file dialog.