Interior design courses in chennai colleges - Aleesha Institute
We are in the post-modern culture environment, one
significant feature of which is the visualization of non-visual
thing. This culture emphasizes the importance of
visualization, intuition and perception in communication.
Today there are variety of visualization demands in our
conventional social and culture life.
The visual expression of CAD interior drawing is a
special drawing technique which uses CAD’s powerful
graphic editing function to draw 2D drawing and
appropriately applies the skill of multi-level expression of
different elements such as points, lines, plans and colors to
arouse audiences’ imagination and help them to reconstruct
the 3D scene from the 2D drawings. By using this method
audiences can easily understand and accept the work of
designer that improves the communication between designer
and audiences.
The conventional interior design drawings include the
following parts:
1. Sketch and concept map. Generally it is drawn by
hand or with CAD software. In a hand drawn sketch, plan,
elevation and interior space can be flexibly drawn out by
hand. It is also possible to manually give the outline of
design concept first and then evolves the detail design from
the concept. The CAD drawing can be further made by
specifying the detail of design based on the hand drawn
sketch. Generally the detailed information includes the
precise spatial dimension, the division and connection of
each functional space, the location and size of furniture and
structural pieces, the expression of design concept and
decoration style in plan, elevation and axis.
2. The detailed drawings of the design. These drawings
are drawn with the CAD software, including content
description, plan, ceiling plan, elevation, section, etc. The
detailed drawings must contain all the design requirements
of the interior space environment, and implement the design
idea with each concrete drawing such as plane, ceiling plan,
elevation. And also the detailed drawings has made detailed
provision for the design in every aspect such as design style,
surface decoration, construction materials and dimensions of
all objects in the drawing, which enables quantity surveyors
to estimate the cost of project and construction units to carry
out the construction by these drawings.
3. The construction drawing includes detailed design and
enlarged detailed drawing. Drawn by CAD software, it is the
join-detailed drawing of the deepen drawings. This drawing
connects design with construction. It makes detailed
provision to the materials and technologies used in the
construction. So the information of dimension, material,
structure, implement method and construction method must
be clearly specified in the drawing.
As the purposes of the above drawings are different, the
corresponding requirements and implementation of the
visualization are also different. Specifically, it is divided into
two levels. One is the precise specification drawings, which
can accurately guide the process of design and construction.
The other is the visual representation of design concept and
scheme. With digital image processing technology, the
designer can highlight the design concept, main space and
interface decoration in the drawings and thus let the audience
get a clear understanding about the space design effect.
Specifically, the implementation of the visual expression
of CAD interior design has the following two elements:
1. Standardization of the CAD interior drawings
This is the basis and premise of visual expression of
interior design drawings. Nonstandard drawing is futile and
useless no matter how outstanding the design idea is. The
existing standard of interior drawing in China is “Drawing
Standard for Interior Decoration and Renovation of
Building” (JGJ/T 244-2011). It sets strict rules for interior
drawings which cover drawing form, content, symbols and
the method of drawing. Designers in China should
implement the stipulations of this standard when drawing
their interior drawings.
It is clear that the drawings are still unified and
consistent in line style, font size, text mark and dimension
mark after printing although the print proportion is changed.
From Figure3-4 we can come to the conclusion that the
standard drawing and the standard output of interior design
drawing have a good visualization by themselves and can
effectively convey interior environment design information
to audiences.
2. Applying CAD visualization to the concept and
scheme of design
This is the key point of CAD drawing visualization.
CAD drawing is essentially a projection of 3D object which
can be something existing or something designed by the
designer to achieve a certain function. So CAD drawing
expresses the 3D spatial relation in a way of 2D projection
that in turn requires audiences to image the 3D scene from
the 2D drawing. Usually it is a difficult task for audiences.
And the visualization of CAD drawing in a sense is to help
audiences complete this imagination and thus conveys
meaningful spatial information to audiences and increases
the readability of CAD drawing.
With the CAD tools filling and coloring, the law of form
beauty and the principle of color, designers can easily
produce drawings rich in levels, highlighted with the main
space and space division.
With tools of region filling and color, designers can
planarize drawings of interior design. So the interior space
structure and the relationship between primary and
secondary can be intuitively expressed. In the process of
visualization of CAD drawings we need to pay attention to
the relationship between brightness and color saturation used
in filling and color. Generally speaking, low brightness and
high color saturation are used in highlighted region to stress
the expression. We also need to control the number of gray
levels and colors used in the drawing. A good visual
expression uses as few colors and gray levels as possible to
describe the general structure of space. If there are too many
gray levels and colors used in the drawing the highlight part
of the expression will be weaken. Also the choice of color
family should match the subject of design.
Designers can also use CAD map, clipboard or other
CAD orders and the post editing of Photoshop to put
figurative images of materials and furniture into the 2D
drawings to obtain highly visual drawings, such as Figure 9.
Figure 9. Elevation of an exclusive shop, nested with images of real green
plants, furniture and models to figuratively represent the subject of the
design. (Provided by an exclusive shop CAD design drawings)
This kind of drawing is suitable for the purpose of
highlighting the design concept or the interface decoration
configuration. It proves valuable for the promotion of the
design scheme at the beginning of a project. And it is also
helpful to the circumstance of design exhibition or design
contest where visual expression plays an important role.
Visualization is an important expression method in
modern design. Interior designers should improve their
artistic accomplishment by developing a standard design
language and design philosophy in the process of interior
space design. And then apply the language and philosophy to
the practice of interior design and drawing. With the help of
digital media and image technologies and CAD software,
designers can produce high quality CAD interior drawings
which efficiently convey designers’ design philosophy.
Designers consciously enhance the visual performance of the
whole set of drawings, so audiences can easily understand
and agree the design of interior space and matching
decoration. Therefore, the visualization of CAD interior
drawings can effectively enhance the competiveness of
design and raise the added value of design.
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