---
title: Creating IDF
description: "Click Add in Project View to create a new MSMA project. Choose IDF under the dropdown list button, select MSMA 1^st Edition, create the name of the project and click Create.  ![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-145743.png?resize=839%2C100&ssl=1) Click the project that has been created in…"
url: "https://mes100.com/docs/creating-idf/"
updated: "2025-05-22"
category: MSMA / MSMA 1st Edition
---

# Creating IDF

Click Add in Project View to create a new MSMA project. Choose IDF under the dropdown list button, select MSMA 1^st Edition, create the name of the project and click Create. 

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-145743.png?resize=839%2C100&ssl=1)

Click the project that has been created in Project View. In the Input tab, users have to input the Storm Duration which can be input manually or calculated by using the calculator. The equation used for each category is different. 

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-154538.png?resize=1024%2C674&ssl=1)

Select ARI and location, click **Next** button.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-154724.png?resize=1024%2C634&ssl=1)

Output shows the factors and coefficients that are used in calculating the rainfall intensity.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-154801.png?resize=1024%2C623&ssl=1)

Click the Analyse button to show rainfall intensity and rainfall depth.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Analyse.png?resize=457%2C161&ssl=1)

Click **General, IDF Curve** tab and **Textual Report** tab to show IDF graph and detail calculation respectively.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-05-22-154908.png?resize=1024%2C595&ssl=1)

### *Related*

 [![](https://i0.wp.com/mes100.com/wp-content/uploads/2024/10/me-small.jpg?resize=100%2C100&ssl=1)](https://mes100.com/author/admin/)[Ngu Soon Hui](https://mes100.com/author/admin/)

I’m the [Benevolent Dictator for Life](https://en.wikipedia.org/wiki/Benevolent_dictator_for_life) for MiTS Software cum Editor of this website. Read more [here](/about-ngu-soon-hui/).

You can also contact me at soonhui@mes100.com