A treatise of painting . t dows, and its Colours, will neyer fhow a Relievo, pcrfedion j h f he ^ { Qbj. fts un]cfs from Nature, /*-, • ,? ~n j • 1 A C, B Cy [.Tab. 2. Fig. *A In Copied. tms Cafe, I fay, that the Lines, or Sides of the vifual Angle including thofe two Central Lines, will fee the fpaccG D, beyond, and behind the faid Object ; and the Eye A will fee the Space FD, and the Eye B, the SpaceG £•, fo that the two Eyes will fee, behind the Object C, the whole Space F E. By which Means that Object, C, becomes, as it were, tranfparent, according to the ufual Definition of Tranfparency,
A treatise of painting . t dows, and its Colours, will neyer fhow a Relievo, pcrfedion j h f he ^ { Qbj. fts un]cfs from Nature, /*-, • ,? ~n j • 1 A C, B Cy [.Tab. 2. Fig. *A In Copied. tms Cafe, I fay, that the Lines, or Sides of the vifual Angle including thofe two Central Lines, will fee the fpaccG D, beyond, and behind the faid Object ; and the Eye A will fee the Space FD, and the Eye B, the SpaceG £•, fo that the two Eyes will fee, behind the Object C, the whole Space F E. By which Means that Object, C, becomes, as it were, tranfparent, according to the ufual Definition of Tranfparency, which is that, beyond which, nothing is hidden. Now, this can never happen where the Object is only viewed with a fingle Eye •, and that Eye, is. *By LeonardcTda Vinci^ iffy is lefs in Extent than the Object which it views;whence, the Trtlth of our Propofition is fairlyevinced*, A painted Figure intercepting thewhole fpace behind if, fo that the Eye is pre-cluded from the fight of any part of the Ground^found behind the Circumference of that Fi-gure. , t ) , Figures Painted on a bright and illumined A tightGround, will appear with a greater Relievo, than 0round pre*if Painted on a Ground more obfcure: The rea- Arable to aTon is, that in order to give your Figure theD^ one>greater force and freedom; you make that part*^!^ tdof it, which is the furtheft removed from theioofeningyoutfLight, the leafl: illumined by it-, whence it be-Figures fromcomes obfcure •, fo that coming to terminate on bottom of tMan obfcure Ground, its extremes aire rerideVdPamn8dim, and appear confufedj and of a Piece withthe Ground it felf: Inlbmuch that without theafliftance of fome Reflex, to be conduced thi-ther, your work will remain devoid, bot
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Keywords: ., bookauthorleonardodavinci14521519, bookdeca, booksubjectpainting
