The words contained in this file might help you see if this file matches what you are looking for:

...Projectivegeometry b course nigel hitchin maths ox ac uk introduction this is a on projective geometry probably your idea of in the past has been based triangles plane pythagoras theorem or something more analytic like three dimensional using dot products and vector either scenario usually called euclidean it involves notions distance length angles areas so forth what s wrong with why do we need dierent here are few reasons started life over years ago study perspective drawing between two points artist canvas does not rep resent true objects they represent that right concept techniques particular homogeneous coordinates provide technical underpinning for modern version renaissance who produces computer graphics see every day web even all questions best attacked by dis tances problems about intersections lines planes example really metric centuries used to be de scriptive imparts some avour subject doesn t mean any less quantitative though as shall space dimensions which envisage taking...