The three most common methods of inputting data into GSA are manually, sculpting and copying.
Insert data manually in a tabulated format.
Go to Explorer pane > Data > Nodes to bring up its corresponding input table.
Use the sculpt toolbar to define geometry in the graphics window.
Use the Copy icon: to duplicate existing geometry to extend the model.
Additional data inputting
Data can also be inputted:
Via a text file (advanced option) - Copy data out in GWA format, edit, and replace
Using an API - Using an Application Programme Interface to create and edit GSA files