[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [IReadonlyRange1d](./rc-js-util.ireadonlyrange1d.md) ## IReadonlyRange1d interface [Range1d](./rc-js-util.range1d.md). **Signature:** ```typescript export interface IReadonlyRange1d extends TPickExcept>, "setMin" | "setMax" | "bound1d" | "translate1d" | "copyFromBuffer" | TTypedArrayTupleMutativeMethods> ``` **Extends:** [TPickExcept](./rc-js-util.tpickexcept.md)<Readonly<[Range1d](./rc-js-util.range1d.md)<TArray>>, "setMin" \| "setMax" \| "bound1d" \| "translate1d" \| "copyFromBuffer" \| [TTypedArrayTupleMutativeMethods](./rc-js-util.ttypedarraytuplemutativemethods.md)>