critical analysis of the absence of interior - Bilkent University

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1982; Sacks, Eastman, & Lee, 2004). Solid modeling is the most enhanced geometric modeling method which provides accurate representation of a 3D shape, by derivation of any shape measurements, by cutting of sections and by automatic dimensioning features (Sacks, Eastman, & Lee, 2004). Even now, most of the CAAD systems developed for Architecture, Engineering and Construction (AEC) industry make use of solid modeling method (Eastman, 1999), like one of the major CAAD software package, AutoCAD. Although ‘geometric modeling’ opens up new alternatives and ways of working in architectural design, there are also several problems in using this method. The main problem is the spatial coordinate system which every geometrically defined object based on (Saitz, 2005). For instance, if there appears a change in the design, the user has to revise major sections of the drawing or draw the entire drawing from scratch. This process of revising a solid model is a tedious process and also, defining a 3D solid shape requires more effort than defining its equivalent 2D representations (Sacks, Eastman, & Lee, 2004). These given drawbacks about ‘geometric modeling’ lead to a new modeling method, ‘parametric modeling’ to emerge. ‘Parametric modeling’ is simply rooted in ‘geometric modeling’ with extending its ease of use and usually utilized in mechanical engineering and building design. “A parametric model is defined by the rules and constraints, which define different aspects of the building and their relationship to each other” (Katz, 2007). Therefore, the geometry identified in the ‘parametric modeling’ has strong links with its dimensions and parameters (Saitz, 2005). For this reason, when the parametric value of an object changes, its geometry automatically updates. The most important feature 13
in ‘parametric modeling’ is non uniform rational B-Spline (NURBS) which is used to generate curves and surfaces (Monedero, 2000). This feature is beneficial for the users to model an object more efficiently and in a considerably lower time. Being a successful modeling method, ‘parametric modeling’ also possesses some difficulties. The employment of ‘parametric modeling’ software has not been widespread until recently, due to its being perceived as highly sophisticated and expensive software (Hernandez, 2006). The highly sophisticated nature of the ‘parametric modeling’ really creates a big difficulty to users and decreases its efficiency during the modeling process. As the drawing becomes more complex, the number of the parameters and the geometric constraints that should be defined becomes extensive (Lee, Sacks, & Eastman, 2006) and difficult to cope with. Catia 6 and 3D Studio Max can be given as the sufficient examples of ‘parametric modeling’ method. Although AutoCAD is a geometric modeling tool, with the available parametric engines developed specially for AutoCAD, it can be used parametrically. As the computer technology developed to support extensive parametric inputs, BIM emerged based on ‘parametric modeling’. BIM supports building components, their behavior and relation to each other. This is a new modeling method, used in AEC industry from conceptual design to construction phase while improving the collaboration between architects and engineers. 6 Catia is a registered trademark of Dassault Systemes. 14
Page 1 and 2: PROPOSAL FOR A SOFTWARE MODEL BASED
Page 3 and 4: ABSTRACT PROPOSAL FOR A SOFTWARE MO
Page 5 and 6: ACKNOWLEDGEMENTS Foremost, I would
Page 7 and 8: 2.4 CAAD Software used in Interior
Page 9 and 10: LIST OF TABLES Table 3.1 Comparison
Page 11 and 12: Table 4.5 ‘Other’ features of t
Page 13 and 14: Figure 3.16 Distribution of satisfa
Page 15 and 16: Figure 3.45 Percentage distribution
Page 17 and 18: Through the history, interior space
Page 19 and 20: individual packages. Yet, an agreem
Page 21 and 22: are chosen for their different purp
Page 23 and 24: graphics of the old computer system
Page 25 and 26: group supports the use of CAAD soft
Page 27: ‘building information modeling’
Page 31 and 32: fields, such as; architecture, engi
Page 33 and 34: 2.4.1.1 AutoCAD AutoCAD is a full-f
Page 35 and 36: plugged into the software. Nonethel
Page 37 and 38: Due to the limited information abou
Page 39 and 40: take 2D drawing printouts, one has
Page 41 and 42: There are available plug-ins, objec
Page 43 and 44: 3. CRITICAL ANALYSIS OF CAAD SOFTWA
Page 45 and 46: 3D objects include ‘planes’,
Page 47 and 48: out the plan view of the object int
Page 49 and 50: Further parts of this study also ex
Page 51 and 52: Table 3.2 Comparison of ‘transfor
Page 53 and 54: Next feature is related to ‘rende
Page 55 and 56: in this section are based on the sa
Page 57 and 58: Table 3.7 Comparison of ‘transfor
Page 59 and 60: Table 3.9 Comparison of ‘renderin
Page 61 and 62: Table 3.11 Comparison of features i
Page 63 and 64: 3.2.1.2 Questionnaire Based on the
Page 65 and 66: Although 25% of students does not u
Page 69 and 70: A typical architectural project pro
Page 71 and 72: Furthermore, in the conceptual desi
Page 75 and 76: Table 3.15 Reasons of discontent fo
Page 77 and 78: Table 3.16 Reasons for utilizing a
Page 79 and 80:
Initially, students are questioned
Page 81 and 82:
After confirming the necessity for
Page 83 and 84:
68 Figure 3.22 Distribution of pref
Page 85 and 86:
Table 3.18 Students’ needs in ter
Page 87 and 88:
Among all of the features and attri
Page 89 and 90:
• Although students acknowledged
Page 91 and 92:
of interviewees are specialized in
Page 93 and 94:
Figure 3.26 Percentage distribution
Page 95 and 96:
the number of professionals using a
Page 97 and 98:
Table 3.21 Reasons for discontent f
Page 99 and 100:
Table 3.22 Reasons for utilizing a
Page 101 and 102:
Page 103 and 104:
Table 3.25 emphasizes the insuffici
Page 105 and 106:
Moreover, unlike students, professi
Page 107 and 108:
Page 109 and 110:
94 Figure 3.44 Distribution of pref
Page 111 and 112:
The quality attributes derived from
Page 113 and 114:
The findings of the interviews that
Page 115 and 116:
4. PROPOSED MODEL This chapter intr
Page 117 and 118:
4.1 Features of the Proposed Model
Page 119 and 120:
Table 4.1 ‘Drawing’ features of
Page 121 and 122:
Next, in ‘view’ feature analysi
Page 123 and 124:
Table 4.5 ‘Other’ features of t
Page 125 and 126:
Table 4.6 ‘Ease of use’ attribu
Page 127 and 128:
Finally there exist, some quality a
Page 129 and 130:
Besides, the model introduces a new
Page 131 and 132:
model should integrate these requir
Page 133 and 134:
commonly used interior architectura
Page 135 and 136:
BIBLIOGRAPHY 3D Animation Glossary.
Page 137 and 138:
Kurman, D. (1998). Sculptor - How t
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APPENDICES 124
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A.1 Questionnaire Full Name : .....
Page 143 and 144:
14) Would you be interested if you
Page 145 and 146:
7) In the project development phase
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APPENDIX B 132
Page 149 and 150:
B.2 Some Examples of Interior Archi
Page 151 and 152:
5. A sample bathroom drawing produc
Page 153 and 154:
LIST OF TERMS Add Operation Unifies
Page 155 and 156:
Layering An operation that helps to
Page 157 and 158:
Transformation The process by which
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