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4.500 Introduction to Design Computing
Fall 2008
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4.500
Computing Rendering
1. Why do Architects Render
2. Technical Components of Rendering
3.
Illuminating a Model
2
Rendering in Architecture
3
•
Test Design Quality & Performance
•
Test Quantitative Performance
•
Present Information
•
Renderings have different purposes
4
Purpose of Rendering
• Providers of Light to Models
Constructed of Lines
• Present Design Possibilities
• Software: Most are Rendering and
Modeling Packages are Bundled Together
5
[ Quality Vs Quantity ]
6
7
8
[Designing Colors ]
14
[ Designing Artificial Lights ]
15
16
17
18
19
[ Designing Natural Light ]
21
22
23
Summary of Rendering Qualities
•
Capturing Light & Shadow
•
Find the right balance of color and depth
•
Scaling - Texture
24
Technical Components of a
Rendering
•
Lighting Algorithm
•
Surface Treatment – Texture Maps
•
Image Manipulation – (Photoshop)
25
Model Representations
Surface Models
Ruled Surface
26
Solid Modeling
NURB Surface
Modeling
Parametric
Modeling
Model Representations
Surface Models
Ruled Surface
27
Solid Modeling
NURB Surface
Modeling
Parametric
Modeling
Rendered Representation
Geometrical
Representation
Render
28
Hidden Line
Raytrace
Shading
Radiosity
Axonometric Projections
29
o
90
o
90
Trimetric
3 axes, no equal angles
o
90
Isometric
3 axes with equal angles
Dimetric
3 axes, but only two of these have
equal angles
Figure by MIT OpenCourseWare.
Rendering Components
1 - Modeling
2 - Rendering
Lights
Spots
General
Day lighting
Cameras
Lens Manipulation
Change in Location
Operations on Surfaces
Shading
Ray Tracing
Textures
Maps
3 - Animation
30
Rendering Scene
31
Illumination
Virtual Camera
Geometry
CAD Model
Surfaces - Wire Frame
32
Surfaces - Shading
33
Surfaces - Color
34
Surfaces – Ray Tracing
35
Surfaces - Radiosity
36
Surface - Textures And Maps
37
Image Manipulation
38
39
Illumination
•
Import a Model
•
Setting up Lights
•
Setting up Cameras
•
Creating an Image
Rendering Process
Mono Chromatic Model
40
41
Mono Chromatic Model
42
Color and Light Model
43
Surface and Light
44
Color and Light
45
Color and Light
46
Light & External Textures
47
Texture Maps
48
Final Camera Views
49
50
52