gHowl

gHowl is a set of components which extend Grasshopper's ability to communicate and exchange information with other applications and physical devices.

Altitudes are all zero

Hi, I am new to grasshopper and I found this plugin useful! But I am not sure why the altitude that it generates is all zero and the Mesh created is just a horizontal plane. The area is a very steep slope... Can anyone help me with this...?