Is it possible to change or adjust the IDF Curve Equation or the IDF Table Equation used in the Storm Events dialog?

Product(s): StormCAD, CivilStorm, SewerGEMS
Version(s): CONNECT Edition, V8i
Area: Modeling

Problem

Is it possible to change or adjust the IDF Curve Equation or the IDF Table Equation used in the Storm Events dialog?

Solution

It is not possible to make a change the IDF curve equation or table equation, as they are hard-coded into the program.

If you have a different equation, it is recommended to use Excel to calculate the intensity values, and then use those values to create a User Defined IDF Table.

Here are two ways this can be done.

Option 1

1. Use Excel to calculate the intensity values.

2. Copy the values from Excel.

3. Paste them into the User Defined IDF Table in the Storm Data dialog.

Option 2

Excel files can be saved in a .txt or .csv format, which can be imported into the IDF table using the steps in the following link: What is the expected text file format for IDF import?

See Also

IDF Equation Coefficients: E, B, D vs A, B, N

Import IDF Equation Storm Data

Copy and paste (import or export) tabular data

IDF Curve Equation_StormCAD

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