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# ST_LocateAlong (Python)

> return locations along a measure geometry that have the given measure value.

return locations along a measure geometry that have the given measure value.

SQL reference: [`ST_LocateAlong`](/reference/wherobots-db/geometry-data/linear-referencing/ST_LocateAlong)

## Signature

```python theme={"system"}
from sedona.spark.sql.st_functions import ST_LocateAlong

ST_LocateAlong(
    geom: ColumnOrName,
    measure: Union[ColumnOrName, float],
    offset: Optional[Union[ColumnOrName, float]] = None,
) -> Column
```

## Parameters

<ParamField path="geom" type="ColumnOrName" required />

<ParamField path="measure" type="Union[ColumnOrName, float]" required />

<ParamField path="offset" type="Optional[Union[ColumnOrName, float]]" default="None" />

## Returns

<ResponseField name="return" type="Column">
  Locations along a measure geometry that have the given measure value.
</ResponseField>


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