ExperimentalOptional Readonly ExperimentalfeatureBind a scalar id column as the picking identity. When omitted, sequential row indices are used so picking still resolves a stable row.
Readonly ExperimentalplanReadonly ExperimentalsourceOptional Readonly Experimentalsource
Identity for picking. Feature ids come from a columnar buffer (zero-copy) or, when omitted, are the row indices
0..rowCount.