Function: getClosestImageId()
getClosestImageId(
imageVolume,worldPos,viewPlaneNormal,options?):string|undefined
Given an image volume, a point in world space, and the view plane normal,
it returns the closest imageId based on the specified options.
If options.ignoreSpacing is true, it returns the imageId with the minimum
distance along the view plane normal, regardless of voxel spacing.
Otherwise, it returns the closest imageId within half voxel spacing along the normal.
Parameters
• imageVolume: ImageVolume | object
The image volume or object containing direction, spacing, and imageIds.
• worldPos: Point3
The position in the world coordinate system.
• viewPlaneNormal: Point3
The normal vector of the viewport.
• options?
Options object.
• options.ignoreSpacing?: boolean
If true, ignore spacing and find the absolute closest imageId.
Returns
string | undefined
The closest imageId based on the criteria, or undefined if none found.