Animate 2D

Display a labels layer above of an image layer using the add_labels and add_image APIs

/home/runner/work/napari-animation/napari-animation/examples/animate2D.py:16: FutureWarning: `napari.view_image` is deprecated and will be removed in napari 0.7.0.
Use `viewer = napari.Viewer(); viewer.add_image(...)` instead.
  viewer = napari.view_image(blobs.astype(float), name="blobs")
Rendering frames...

  0%|          | 0/166 [00:00<?, ?it/s]IMAGEIO FFMPEG_WRITER WARNING: input image is not divisible by macro_block_size=16, resizing from (1086, 635) to (1088, 640) to ensure video compatibility with most codecs and players. To prevent resizing, make your input image divisible by the macro_block_size or set the macro_block_size to 1 (risking incompatibility).

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from skimage import data
from scipy import ndimage as ndi
from napari_animation import Animation
import napari


blobs = data.binary_blobs(length=128, volume_fraction=0.1, n_dim=3)
viewer = napari.view_image(blobs.astype(float), name="blobs")
labeled = ndi.label(blobs)[0]
viewer.add_labels(labeled, name="blob ID")

animation = Animation(viewer)
viewer.update_console({"animation": animation})

animation.capture_keyframe()
viewer.camera.zoom = 0.2
animation.capture_keyframe()
viewer.camera.zoom = 10.0
viewer.camera.center = (0, 40.0, 10.0)
animation.capture_keyframe()
viewer.dims.current_step = (60, 0, 0)
animation.capture_keyframe(steps=60)
viewer.dims.current_step = (0, 0, 0)
animation.capture_keyframe(steps=60)
viewer.reset_view()
animation.capture_keyframe()
animation.animate("animate2D.mp4", canvas_only=False)