Next snapshot,

	// sfm-related parameters

	public boolean    gsmth_sfm_gnd =       true; // use smooth ground for SfM DSI 

	public boolean    gsmth_sfm_deviate =   true; // enable SfM deviations from the plain 

	public double     gsmth_sfm_gain =     10.0;  // minimal SfM gain to enable deviations from the smooth level

	public double     gsmth_sfm_gain =      8; // 10.0;  // minimal SfM gain to enable deviations from the smooth level

	public int        gsmth_sfm_rad =       3;    // minimal radius (+/-, in tiles) to have sufficient SfM gain (skip margins)

	public int        gsmth_sfm_lev =       2;    // start this radius level smaller if SfM is available (2 - hstep=1, ...)  

	public double     gsmth_str_bump =      0.55;  // enable bumps above level stronger than this