MoGeGeometryToFOV - ComfyUI Built-in Node Documentation - ComfyUI

This node derives the field of view and focal length from the camera intrinsics stored in a MoGe geometry object. It can return the vertical, horizontal, or diagonal FOV, in degrees or radians. The vertical FOV output can be used, for example, to feed the SAM3DBody_Predict node.

Inputs

Parameter	Description	Data Type	Required	Range
`moge_geometry`	The MoGe geometry object. It must contain an intrinsics matrix and at least one of image, points, or depth data, which is used to read the pixel height for the focal-length conversion.	MOGE_GEOMETRY	Yes	—
`axis`	The axis along which the FOV is computed: “vertical” (fov_y), “horizontal” (fov_x), or “diagonal” (default: “vertical”).	COMBO	Yes	”vertical" "horizontal" "diagonal”
`unit`	Output unit for the FOV (default: “degrees”).	COMBO	Yes	”degrees" "radians”

Note: The node raises an error if moge_geometry contains no intrinsics (panorama geometry has none) or if it contains neither image, points, nor depth data.

Outputs

Output Name	Description	Data Type
`fov`	The field of view along the selected axis, in the selected unit (degrees or radians).	FLOAT
`focal_pixels`	The lens focal length in pixels, derived from the vertical intrinsic and the pixel height.	FLOAT

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