Translations:Dictionary:Artificial illumination/1/en

{{#category_index:A|artificial illumination}} A computer display of a relief map (such as a specific horizon) showing shadows as if all overlying rocks were removed and it was illuminated from a particular direction at a particular sun angle. Parameters in its manufacture are sun elevation and azimuth. The display, which may be of any mapped quantity, is useful in bringing out lineations that may not be obvious.