Lecture 11 Ordering Principles - Islamic University of...
Transcript of Lecture 11 Ordering Principles - Islamic University of...
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Principles of Architectural and Environmental
Design
EARC 2417
Islamic University-Gaza
Faculty of Engineering
Architecture Department
Instructor: Dr. Suheir Ammar
2019
Lecture 11
Ordering Principles
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Ordering Principles
Order without diversity can result in monotony or
boredom;
Diversity without order can produce confusion.
A sense of unity with variety is the ideal.
Ordering principles are seen as visual devices that
allow diverse forms and spaces of a building to coexist
perceptually and conceptually within an ordered,
unified, and harmonious whole.
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Ordering Principles
Ordering principles:
1. Axis
2. Symmetry
3. Hierarchy
4. Rhythm
5. Datum
6. Transformation
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Axis
A line established by two
points in space, about which
forms and spaces can be
arranged in a symmetrical or
balanced manner.
Although imaginary, it is
dominating & regulating
device: the axis is perhaps the
most elementary means of
organizing forms and spaces
in architecture.
It implies symmetry or
balance.
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The terminating elements of an axis serve to both
send and receive its visual direction. It can be: a
linear elements or well-defined spaces “centralized
building” forms, vertical planes “a facade”, or
gateways.
Axis
a linear elements
2 . gateways
centralized building forms
1 . a facade
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vertical planes
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Symmetry
It is the balanced distribution and
arrangement of equivalent forms and
spaces on opposite sides of a dividing line
or plane, or about a center or axis.
A symmetrical condition can not exist
without implying the existence of an axis
or center about which it is structured.
There are two fundamental types of
symmetry: bilateral symmetry and radial
symmetry.
A symmetrical condition can occur in
only a portion of the building to respond
to the asymmetry of of its site or the
program.
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bilateral symmetry.
a portion of the building has symmetry
radial symmetry
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The principle of hierarchy implies that in most if
not all Architectural compositions, real
differences exist among their forms and spaces.
These differences reflect the degree of
importance of these forms and spaces, as well as
the functional, formal, and symbolic roles they
play in the organization.
8 Hierarchy
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Hierarchy
The articulation of the dominating or significance of a form
or space can be achieved by its size, shape, or placement
relative to the other forms and spaces of the organization.
It can be: 1.exceptional size, 2. a unique shape, 3. a
strategic location.
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Hierarchy10
In an architectural composition, there can be
more than a single dominant element; primary
and secondary.
Many dominant elements may cause confusion.
When everything is emphasized, nothing is
emphasized.
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Hierarchically important locations for a form or space
include:
1.the termination of a linear sequence or axial
organization
2.the center piece of a symmetrical organization
Hierarchy locations
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3. the focus of a centralized or radial organization
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4. being offset above, below, or in the foreground
of a composition.
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The dominance of the cathedral over the urban landscape
Hierarchy locations
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Datum
It is a line, plane, or volume of reference to which
other elements in a composition can relate.
It organizes a random pattern of elements through its
regularity, continuity and constant presence.
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To be an effective ordering
device, a linear datum must have
sufficient visual continuity to cut
through or bypass all of the
elements being organized.
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Datum
A datum can organize the elements in the following
ways:
1. A line can cut through or form a common edge for
the pattern, while a grid of lines can form a neutral,
unifying field for the pattern.
A datum must have sufficient size, closure, and
regularity
It can gather elements above, below, in front of or
behind it .
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A grid of lines as a datum17
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Datum as a plane or a volume
A plane can gather the pattern of elements beneath it or
serve as an encompassing background.
A volume can collect the pattern
of elements within its boundaries
or around it.
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Datum
Overhead plane
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Datum20
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21 Datum
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Rhythm & Repetition
Rhythm refers to any movement characterized by a patterned repetition of elements or motifs at regular or irregular intervals. Time or distance
The movement may be of our eyes as we follow recurring elements in a composition, or of our bodies as we advance through a sequence of spaces.
Examples: beams and columns, windows and doors, similar functions
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Rhythm
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Rhythm & Repetition 23
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24 Rhythm & Repetition
Repetition with
differnce in:
Size
Shape
Detail
Characteristics
“belong to the
same family”
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25 Rhythm & Repetition
Repetition with difference in orientation
Repetition with difference in Size
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Rhythm & Repetition 26
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Repetition Organization
Gradual rhythm: at irregular intervals
2. A radial manner 1. A regular gradual
linear fashion
3. randomly but related by proximity
A linear fashion
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Transformation
The principle that an architectural concept, structure, or
organization can be altered through a series of disconnected
manipulations and re-arrangment in response to a specific context
or set of conditions without a loss of identity or concept.
The original design concept can, through a series of finite
alternation, be clarified, strengthened, and built upon, rather than
destroyed.
The process of developing a design concept is a series of
transformation.
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Transformation29
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Reference:
Ching, F. D. K. (2007). Architecture: Form, Space, and Order (3rd Edition
ed.): John Wiley & Sons, Inc.
Thank you
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