A way to do this is to plot the position of the object on a screen. The
method to do this was already known, for example, to the painter Albrecht Dürer
(1471-1528),
who applied it in the research of perspective, see his apparatus in the illustration
below:
For related articles, click here
(on the bulk of this site,
the colored arrows are the links); back to Abstraction of observation
; all articles here
, site home here
. |