Points2D
A 2D point cloud with positions and optional colors, radii, labels, etc.
Components components
Required: Position2D
Optional: Text, DrawOrder, ClassId, KeypointId
Shown in shown-in
- Spatial2DView
- Spatial3DView (if logged under a projection)
API reference links api-reference-links
Examples examples
Simple 2D points simple-2d-points
"""Log some very simple points."""
import rerun as rr
import rerun.blueprint as rrb
rr.init("rerun_example_points2d", spawn=True)
rr.log("points", rr.Points2D([[0, 0], [1, 1]]))
# Set view bounds:
rr.send_blueprint(rrb.Spatial2DView(visual_bounds=rrb.VisualBounds2D(x_range=[-1, 2], y_range=[-1, 2])))
Randomly distributed 2D points with varying color and radius randomly-distributed-2d-points-with-varying-color-and-radius
"""Log some random points with color and radii."""
import rerun as rr
import rerun.blueprint as rrb
from numpy.random import default_rng
rr.init("rerun_example_points2d_random", spawn=True)
rng = default_rng(12345)
positions = rng.uniform(-3, 3, size=[10, 2])
colors = rng.uniform(0, 255, size=[10, 4])
radii = rng.uniform(0, 1, size=[10])
rr.log("random", rr.Points2D(positions, colors=colors, radii=radii))
# Set view bounds:
rr.send_blueprint(rrb.Spatial2DView(visual_bounds=rrb.VisualBounds2D(x_range=[-4, 4], y_range=[-4, 4])))
