Attach element-specific parameters to meta meant to be used by downstream elements which may handle this ROI. The name of s is used to identify the element these parameters are meant for.
Retrieve the parameter for meta having name as structure name, or null if there is none.
Get field h.
Set field h.
Get field id.
Set field id.
Get field meta.
Get field parentId.
Set field parentId.
Get field roiType.
Set field roiType.
Get field w.
Set field w.
Get field x.
Set field x.
Get field y.
Set field y.
Extra buffer metadata describing an image region of interest