Measure Tool Data from Python

[Animik]

How can I access the measurements displayed with the Measure Tool in Blender 2.80 from Python? I’m not seeing it anywhere in the documentation, hoping I’m just blind. Thanks.

[Animik]

Answer provided here:

Helping Neuroscience with the Measure Tool

Here’s a one-liner: lengths = list((s.points[0].co - s.points[-1].co).length for s in bpy.data.grease_pencils["Annotations"].layers['RulerData3D'].frames[0].strokes) Or maybe: def get_lengths(): lengths = [] ruler_data = bpy.data.grease_pencils["Annotations"].layers['RulerData3D'] frame = ruler_data.frames[0] for stroke in frame.strokes: p1, p2 = stroke.points[0], stroke.points[-1] length = (p1.co - p2.co).length lengths.append(length) return length…