4.2.3 Fog

MGL command: fog val [dz=0.25]

Method on mglGraph: void Fog (mreal d, mreal dz=0.25)

C function: void mgl_set_fog (HMGL gr, mreal d, mreal dz)

Function imitate a fog in the plot. Fog start from relative distance dz from view point and its density growths exponentially in depth. So that the fog influence is determined by law ~ 1-exp(-d*z). Here z is normalized to 1 depth of the plot. If value d=0 then the fog is absent. Note, that fog was applied at stage of image creation, not at stage of drawing. See section Adding fog, for sample code and picture.

This document was generated on March 21, 2014 using texi2html 5.0.