> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tilebox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Client.open_geotiff

```python theme={"system"}
async def Client.open_geotiff(
    asset: Asset,
    *,
    prefetch: int = 32768,
    multiplier: float = 2.0,
) -> GeoTIFF
```

Open a GeoTIFF through its resolved object store without reading pixel data.

<Note>This method requires Python 3.11 or newer.</Note>

## Parameters

<ParamField path="asset" type="Asset">
  The GeoTIFF asset to resolve and open.
</ParamField>

<ParamField path="prefetch" type="int">
  The initial metadata range size in bytes. Defaults to `32768`.
</ParamField>

<ParamField path="multiplier" type="float">
  The growth factor for later metadata range requests. Defaults to `2.0`.
</ParamField>

## Returns

An async-geotiff `GeoTIFF` backed by the resolved object store.