Switching Unit Systems in an Existing Project

This article describes the two available methods for changing a project’s unit system (Metric ↔ Imperial), either by creating a new project using an existing one as a template or by updating the project configuration files directly.

When you first create a Micromine project, you can select the preferred unit system (Metric or Imperial). This is the simplest way to ensure the project matches your data from the beginning.

But if you need to adjust the unit system after the project has already been created, there are two practical ways to do it:

The first option is to create a new project and use your existing project as a template. In the New Project window, specify the path and name for the new project, choose the desired unit system in the Units section, and select your original project as the template. It is important to enable both Use an existing project as a template and Copy all files from template project. Once the wizard completes, you will have a new project with the correct unit system and all your files copied over.

The second option is to update the project’s configuration files directly. To do this, browse to the folder where your Micromine project is stored and follow these steps:

Delete the Binary Attributes File:

Within the project folder, delete the file:

.mmproj-attributes.bin

This file contains cached configuration information and will be recreated automatically when the project is opened

Edit the Project Attributes File:

Open the following file using a text editor:

.mmproj-attributes

Find the line: "unit_system": "metric"

Change it to: "unit_system": "imperial"

Reload the Project in Micromine:

Open the project again in Micromine. The software will regenerate the .bin file and apply the new unit system settings.

Make sure no one else is accessing the project when you apply these changes. It is also recommended to back up your project before modifying any configuration files.

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