Golden Ratio/De Divina Proportions: Harmonious Mathematical Proportions
The Golden Section of 100cm:
100cm/1.618 = 61.80cm
100cm = 61.80 to 38.20
The ratio of 61.80cm to 38.20cm is 1:1.618
adding...
100cm x 1.618 = 161.80cm
the ratio of 100cm to 161.80 is 1:1.618
I started by drawing a 14cm line.
14cm x 1.618= 22.65cm, I now have the width and length of my golden rectangle.
Following these I continued dividing and getting perfect squares until I had a golden rectangle spiral.
22.652/1.618=14cm
14/1.618=8.65cm
8.65/1.618=5.34cm
5.34cm/1.618=3.3cm
3.3cm/1.618=2cm
2cm/1.618=1.23
After we understood this we moved on to creating columns and rows that could relate to our website (above).
Van de Graaf Canon
Van de Graaf was a 19th century scholar in book design. The geometrical solution of the construction of Van de Graaf's canon, which works for any page width:height ratio, enables the book designer to position the text body in a specific area of the page. Using the canon, the proportions are maintained while creating pleasing and functional margins of size 1/9 and 2/9 of the page size. The resulting inside margin is one-half of the outside margin, and of proportions 2:3:4:6 (inner:top:outer:bottom) when the page proportion is 2:3 (more generally 1:R:2:2R for page proportion 1:R. This method was discovered by Van de Graaf, and used by Tschichold and other contemporary designers; they speculate that it may be older. The page proportions vary, but most commonly used is the 2:3 proportion.
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