<Polygon>
Category: Control tag
The Polygon tag is used to add polygons to an image without selecting a label. This can be useful when you have only one label to assign to the polygon. Use for image segmentation tasks.
Use with the following data types: image.
Attributes
| Attribute | Type | Required | Default | Description |
|---|---|---|---|---|
| name | string | yes | — | Name of tag |
| toname | string | yes | — | Name of image to label |
| opacity | number | no | 0.6 | Opacity of polygon |
| fillColor | string | no | transparent | Polygon fill color in hexadecimal or HTML color name |
| strokeColor | string | no | #f48a42 | Stroke color in hexadecimal |
| strokeWidth | number | no | 3 | Width of stroke |
| pointSize | small,medium,large | no | small | Size of polygon handle points |
| pointStyle | rectangle,circle | no | circle | Style of points |
| smart | true,false | no | — | Show smart tool for interactive pre-annotations |
| smartOnly | true,false | no | — | Only show smart tool for interactive pre-annotations |
| snap | pixel,none | no | none | Snap polygon to image pixels |
Examples
Basic labeling configuration for polygonal image segmentation
<View>
<Polygon name="rect-1" toName="img-1" />
<Image name="img-1" value="$img" />
</View>