cristhian
5a0f13d4db
Nothing in a dataflow carries fx, fy, cx and cy except the camera, and every pixel of a depth map needs them to become a 3D point. The node now accepts them so whatever computes that next has them to hand. They are read from two places because dora-zed publishes them twice: the camera_info message, and the metadata of every frame. The per-frame copy is not redundant -- camera_info goes out once per camera session, so a viewer started after the camera would otherwise never see it, and reading frame metadata means wiring the input is optional even for a camera that publishes it. A nine-element row-major K is accepted alongside the compact [fx, fy, cx, cy], since that is how ROS spells the same model in sensor_msgs/CameraInfo. The model is drawn under the caption rather than only stored. A depth map read through the wrong intrinsics looks entirely plausible, and this is where that becomes visible. as_float32 moves to a payload module: camera_info arrives as a raw byte slice for the same reason the depth map does, and the reinterpretation is now shared rather than written twice. Verified with dora-cli 1.0.1: validate passes with four contracts injected on each side, the dataflow runs to a clean exit, and a composed frame was rendered and inspected with the model drawn on it.
36 lines
1.0 KiB
YAML
36 lines
1.0 KiB
YAML
# The repository's own example, and its end-to-end test: a synthetic source
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# feeding the viewer. Everything it needs is in this checkout -- no camera, no
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# detector, no network -- so it is also what CI runs.
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#
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# Both nodes are built from the checkout with `path:` + `build:`, which is what
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# lets `dora validate` pick up the typed contract in dora-node.yml. A consumer
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# wires the viewer from a tag instead -- see README.md.
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#
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# Run it with `--uv` so every node gets its own managed environment.
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strict_types: true
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nodes:
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- id: source
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path: examples/source.py
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# The source needs dora-rs, numpy and pyarrow; installing the project gives
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# it exactly the versions pinned in uv.lock.
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build: pip install .
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inputs:
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tick: dora/timer/millis/33
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outputs:
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- image
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- depth
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- camera_info
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- bbox
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- text
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- id: view
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path: dora-image-view
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build: pip install .
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inputs:
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image: source/image
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depth: source/depth
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camera_info: source/camera_info
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bbox: source/bbox
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text: source/text
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