The
fundamental differences between them is that rhythm is associated with the
movement of the eye across the picture (dynamic repetition), whereas pattern is
static and is more linked to an area (static repetition). Many published examples of rhythms ask the
eye to follow the rhythmical progression from left to right (should be easy
enough .. I wonder what the Chinese make of this ..) and establish a cadence of
rhythmical beat. Any form of anomaly
that disturbs the rhythmical progression across the image can make the picture
more interesting, especially if the interruption to the rhythm occurs to the
right of the photograph after the eye has established its visual beat. Coming back to our old friend the Gestalt Law
of Good Continuation again, and we can perhaps understand that the eye will
extend its perception of the rhythm of an image beyond the borders imposed
by the frame.
Patterns on
the other hand, are static, and have their greatest impact when they fill the
frame and convince the viewer that they extend beyond it. Although still founded on repetition, this
repetition is linked with an area and not a direction as occurs with
rhythms. I considered a number of options for this exercise, which required the production of just one photograph to illustrate each element. For pattern, I looked at some of the close ups from my visit to the RHS Gardens at Wisley, and especially liked this cactus as a representation of a pattern with its different sized, but very similar elements. There was also one other image from the London series which addressed ‘pattern’ very well – a series of windows which also fulfilled the criteria of extending beyond the edge of the frame and giving the impression of continuation. Oddly similar in colour and tone to the cacti too!
For rhythm, I
selected one image from a series of photographs I took in London of the so
called ‘Boris bikes’ which are available for public use for a credit card
payment. I considered a number of angles
for taking pictures of these bikes and also experimented with different focal
lengths to test the impact of changing the depth of field on the visual
impression of the row. I finally settled on this image which I took
at 35mm and f/8 to encompass the whole row but allow the furthest bikes to fade
out of focus. I think the figure at the
end of the row adds a little to the photograph, but it is not as dominant a
discontinuity as I had hoped for.
I enjoyed
this exercise from the point of view that it provided a different challenge
from seeking out basic shapes, and it was easy to find examples of patterns and
rhythms, at least with architectural themes anyway. I was not successful in finding rhythms that
contained a significant discontinuity to break the flow and for the eye to ‘find’ as it
scanned across the image and I intend to continue to look for suitable pictures
as I seek out further material for Elements
of Design.
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