The DDM plugin uses stepping stone method to calculate the distribution of earthworks, but for this to work, it is necessary to inform all available parameters such as CBR, Expansion, DMT ranges, etc...

It is also necessary to have the project modeled in Autodesk® Civil 3D®, with well-defined material lists.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8/8.1/10) and uninstall as you would any other application from your system.

In the plugin help, see the case study topic. You'll see the very detailed workflow, from getting the data in Civil 3D, to calculating, analyzing, and reporting.

For DDMLINK work properly, the materials need to be in visible styles even though section view is not drawn.

For DDT work properly, some blocks need to be available in drawing

In some cases, Windows blocks DLLs and the plugin does not load. To unlock, right-click the DLLs and the General tab, click the Unblock button. Do the same with the help files (* .chm). Then restart Civil 3D