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FEAT: Add viser-based remote viewer #8

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FEAT: Add viser-based remote viewer #8

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cbd0551
add viser-based remote viewer
zoe1230 Apr 20, 2026
370e54f
Merge branch 'facebookresearch:main' into main
zoe1230 Apr 23, 2026
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18 changes: 18 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,26 @@ uv pip install projectaria-tools

# 3D interactive viewer for view_*.py scripts
uv pip install moderngl moderngl-window imgui-bundle

# (Optional) Browser-based remote viewer backend
uv pip install 'viser>=0.2.23'
```

For remote servers (SSH/headless), you can use the browser-based viewer backend:

```bash
# Example: tracker viewer over HTTP
python view_tracker.py --input nym10_gen1 --viewer_backend viser --host 0.0.0.0 --port 8080

# Example: fusion viewer over HTTP
python view_fusion.py --input nym10_gen1 --viewer_backend viser --host 0.0.0.0 --port 8080

# Example: prompt viewer over HTTP
python view_prompt.py --input nym10_gen1 --viewer_backend viser --host 0.0.0.0 --port 8080
```

Then open `http://<server-ip>:8080` in your browser.

## Download Model Checkpoints

We host model checkpoints for BoxerNet, DinoV3 and OWLv2 on [HuggingFace](https://huggingface.co/facebook/boxer). Download them to the `ckpts/` directory:
Expand Down
29 changes: 18 additions & 11 deletions utils/viewer_3d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2733,16 +2733,18 @@ def _render_playback_controls(self) -> None:

if self.total_frames > 0:
imgui.push_item_width(300)
display_frame_idx = self.current_frame_idx + 1
changed, new_frame = imgui.slider_int(
"Frame",
self.current_frame_idx,
0,
max(0, self.total_frames - 1),
"Image Index",
display_frame_idx,
1,
max(1, self.total_frames),
)
if changed:
self.is_playing = False
self._step_to_frame(new_frame)
self._step_to_frame(new_frame - 1)
imgui.pop_item_width()
imgui.text(f"Image: {display_frame_idx} / {self.total_frames}")

imgui.push_item_width(200)
_changed, self.playback_fps = imgui.slider_float(
Expand Down Expand Up @@ -6087,22 +6089,27 @@ def render_ui(self) -> None:
self._step_to_frame(0)

imgui.push_item_width(300)
changed, new_frame = imgui.slider_int(
"Frame",
seek_frame_idx = (
self._seek_target_frame
if self._seek_dirty_time is not None
else self.current_frame_idx,
0,
max(0, self.total_frames - 1),
else self.current_frame_idx
)
display_seek_idx = seek_frame_idx + 1
changed, new_frame = imgui.slider_int(
"Image Index",
display_seek_idx,
1,
max(1, self.total_frames),
)
if changed:
self.is_playing = False
if self.follow_view:
self._snap_orbit_from_follow()
self.follow_view = False
self._seek_target_frame = new_frame
self._seek_target_frame = new_frame - 1
self._seek_dirty_time = time_module.time()
imgui.pop_item_width()
imgui.text(f"Image: {display_seek_idx} / {self.total_frames}")

imgui.push_item_width(200)
_changed, self.playback_fps = imgui.slider_float(
Expand Down
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