DIGITAL CARVERS GUILD defines its Ground Control plugin"Ground Control is a digital elevation map importer plug-in with support for classic USGS DEMs, VistaPro format DEMs, World Machine 32-bit RAW FP, Terragen TER files, Shuttle Radar Topography Mission HGT files, ArcInfo ASCII Grid, text format PGM, and BIL files."
This plugin is one of those that save your life sometimes. Put your objects on the ground quickly with it.
--------- Este plugin es uno de esos que salvan tu vida de vez en cuando. Coloca tus objetos en el suelo