# How to Input Values for Honeybee Modifier – Reflective Glare Analysis

**URL:** <https://discourse.ladybug.tools/t/how-to-input-values-for-honeybee-modifier-reflective-glare-analysis/36160>\
**Category:** honeybee\
**Tags:** honeybee, glare\
**Created:** [March 14, 2025, 7:06am UTC](https://discourse.ladybug.tools/t/how-to-input-values-for-honeybee-modifier-reflective-glare-analysis/36160 "2025-03-14T07:06:27Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![seojeonghwan](https://discourse.ladybug.tools/letter_avatar_proxy/v4/letter/s/8491ac/32.png) [@seojeonghwan](https://discourse.ladybug.tools/u/seojeonghwan)\
**Post date:** [March 14, 2025, 7:06am UTC](https://discourse.ladybug.tools/t/how-to-input-values-for-honeybee-modifier-reflective-glare-analysis/36160/1 "2025-03-14T07:06:27Z")

</div>

I am conducting a simulation to analyze the impact of reflectance properties of a single geometry on glare in an adjacent unit room. For this simulation, I intend to adjust **reflectance, specularity, and roughness** while disregarding the geometry’s **transmittance and absorptance**.

I plan to use the **HB Translucent Modifier** component and have the following questions:

1. **Regarding `diff_ref` input:**

- Can I directly input the reflectance value into `diff_ref` without any additional conversion?
- Is there a separate `spec_reflectance` parameter, or does the component automatically calculate it based on `spec_` and `diff_ref`?

1. **Configuring the geometry to be fully reflective without transmission:**

- How should I set `diff_trans` and `spec_trans` to ensure that the geometry does not transmit light and only reflects it?
- In the **HB Mirror Modifier** , what values are used for `diff_trans` and `spec_trans`?

Thank you!

![image](https://discourse.ladybug.tools/uploads/default/original/3X/f/e/feb07c6db09e4c2ece9ba0b4a240804472bcb56c.png)