# converters { #tvbo.data.converters }

`data.converters`

Format converters: BEP017 export.

Uses relmat_entities() + build_path() from §6.5 for BIDS-compliant filenames — no manual filename construction.

TVB converters have moved to :mod:`tvbo.adapters.tvb`.

## Functions

| Name | Description |
| --- | --- |
| [relmat_entities](#tvbo.data.converters.relmat_entities) | Extract pybids entities from a tvbo Network instance or dict (§6.5). |
| [sensor_entities](#tvbo.data.converters.sensor_entities) | Extract pybids entities from a sensor Network (§6.5). |
| [to_bep017](#tvbo.data.converters.to_bep017) | Export a tvbo Network to BEP017-compatible per-measure files. |

### relmat_entities { #tvbo.data.converters.relmat_entities }

```python
data.converters.relmat_entities(network)
```

Extract pybids entities from a tvbo Network instance or dict (§6.5).

Accepts both a Network object (direct attribute access) and a raw sidecar dict (for standalone usage). Returns entity dict for ``build_path()``.



#### Parameters {.doc-section .doc-section-parameters}

network : Network or dict
    Network instance or raw sidecar dict.



#### Returns: {.doc-section .doc-section-returns}

dict
    Entity dict with keys matching RELMAT_PATTERNS placeholders.

### sensor_entities { #tvbo.data.converters.sensor_entities }

```python
data.converters.sensor_entities(network)
```

Extract pybids entities from a sensor Network (§6.5).

Returns entity dict suitable for ``build_path()`` with ``SENSOR_PATTERNS``.

### to_bep017 { #tvbo.data.converters.to_bep017 }

```python
data.converters.to_bep017(network, output_dir)
```

Export a tvbo Network to BEP017-compatible per-measure files.

Each template edge becomes one ``meas-<name>_relmat.dense.tsv`` + JSON sidecar. Filenames use pybids ``build_path`` (§6.5). Reads data directly from the Network object — no YAML round-trip needed.



#### Parameters {.doc-section .doc-section-parameters}

network : Network
    Network instance with loaded arrays.
output_dir : str or Path
    Output directory for BEP017 files.