> For the complete documentation index, see [llms.txt](https://docs.pollination.solutions/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pollination.solutions/user-manual/rhino-plugin/pollination-commands/alphabetically/po_addskylightsbyratio.md).

# PO\_AddSkylightsByRatio

Add skylights by ratio for each outdoor roof of selected rooms.

## Options

* **Ratio**

  Set a number between 0 to 1 for the skylight ratio. Default: 0.4 (40%).
* **Dimension\_X**

  The x dimension of the grid cells as a number.
* **Dimension\_Y**

  The y dimension of the grid cells as a number.

## See Also

* [PO\_AddAperturesByWWR](/user-manual/rhino-plugin/pollination-commands/alphabetically/po_addaperturesbywwr.md)