One question...

Theme: Signal polygons, ground planes (V19+)

Why do those ligaments in thermal pads lead into empty space sometimes?
Since version V19 ground planes can have two states: filled and not filled. In other words: converted and not converted. TARGET fills the areas not instantly because computing might take some seconds. If the planes would be converted at every minor adjustment, the workflow would be obstructed unnecessarily.

If the ground plane is not yet filled, ligaments in thermal pads can point to empty space in this early stage. If you later fill the plane which means to convert it, those ligaments vanish.

Before checking the project (DRC) and before production (Gerber) all polygon planes always get converted.

 1 (Image 1: Area is not filled. Two ligaments are redundant, corners have sharp tips, orphan signal islands still exist).

 2 (Image 2: Plane is filled. Redundant ligaments in thermals are deleted, orphan signal islans are rubbed out, tips of corners are rounded according to the track width)

 3 (Image 3: The "Track width" defines which pen thickness will be used in order to fill the polygon. "Fill directly" cares for the correct conversion)
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