# How-to: Add edges as lines when converting model

**URL:** <https://forum.techsoft3d.com/t/how-to-add-edges-as-lines-when-converting-model/1342>\
**Category:** HOOPS Visualize Web\
**Tags:** knowledge-base, faq, import\
**Created:** [February 3, 2022, 5:00am UTC](https://forum.techsoft3d.com/t/how-to-add-edges-as-lines-when-converting-model/1342 "2022-02-03T05:00:00Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![gabriel.peragine](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.techsoft3d.com/gabriel.peragine/32/1535_2.png) [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\
**Post date:** [February 3, 2022, 5:00am UTC](https://forum.techsoft3d.com/t/how-to-add-edges-as-lines-when-converting-model/1342/1 "2022-02-03T05:00:00Z")

</div>

When converting a model which has no edge data, you can add computed edges as lines using a command line option.  
`--sc_compute_lines `  
If set, then triangle edges matching certain criteria will be added to the model as lines.  
[![](https://us1.discourse-cdn.com/flex020/uploads/techsoft3d/original/1X/205dad8f4a161947818679d3dc7b1cf4927a0c07.png)Converter Command Line Options — HOOPS Communicator documentation](https://docs.techsoft3d.com/communicator/latest/api_ref/data_import/converter-command-line-options.html)

![]()

 ![image-20210805-055747](https://us1.discourse-cdn.com/flex020/uploads/techsoft3d/original/1X/b3e7bb98161732cac3e8d367c36eaff086636bc8.jpeg)

`--sc_compute_lines` is False

 ![image-20210805-060147](https://us1.discourse-cdn.com/flex020/uploads/techsoft3d/original/1X/80a7fb16e9db7e56b4027d08b9df16b430579534.jpeg)

`--sc_compute_lines` is True