ARTURO TEDESCHI
AAD
ALGORITHMS-
AIDED
DESIGN
PARAMETRIC STRATEGIES USING GRASSHOPPER®
Foreword by Fulvio Wirz
LE PENSEUR PUBLISHER
CONTENTS
Acknowledgements 7
Foreword 9
Introduction | AAD_ Algorithms-Aided Design 15
from traditional drawings to the parametric diagram
1_algorithmic modeling with Grasshopper® 33
1.1 Prerequisites and installation 35
1.2 Grasshopper user interface 35
1.3 Components and data 40
1.4 Save and bake 53
1.5 Display and control 55
1.6 Grasshopper flow 59
1.7 Basic concepts and operations 61
2_data | how to manage data in Grasshopper 69
2.1 Filters 69
2.2 Numerical sequences 87
2.3 Mathematical Functions 101
2.4 Conditions 107
2.5 Remapping numbers / Attractors 112
3_control curves and surfaces in Grasshopper 121
|
3.1 NURBS curves
121
3.2 Parametric representation of a curve
124
3.3 Analysis of curves in
Grasshopper 126
3.4 Notion of Curvature for planar curves 136
3.5 Parametric representation of a surface 138
3.6 Surface creation 141
3.7 Analysis of surfaces using Grasshopper 144
3.8 Notion of Curvature for surfaces 166
^transformations 183
4.1 Vectors
185
4.2 Euclidean transformations 187
4.3 Affine transformations 196
4.4 Other transformations: Box Morph 210
5_skins | advanced data management 217
5.1 the Data Tree
Manipulating 220
5.2 Skins 226
5.3 Sorting strategies using Data Tree 248
6_smoothness 255
6.1 NURBS and Polygon Meshes 258
6.2 Polygon meshes 260
6.3 Creating meshes in Grasshopper 263
6.4 SubD in Grasshopper: Weaverbird plug-in 273
6.5 Subdivision of triangular meshes: Loop algorithm 274
6.6 Subdivision of quadrangular meshes: Catmull-Clark algorithm 277
Digital informing creativity 293
7_loops 297
7.1 Loops in Grasshopper: HoopSnake component 300
7.2 Fractals 301
7.3 in
Loops Grasshopper: Loop component 306
8_digital fabrication | make ideas come true 309
8.1 Fabrication Techniques 310
8.2 Modeling Printable Objects 320
8.3 Modeling objects for cutting based operations 330
8.4 NU:S Installation 338
8.5 341
Large-scale objects
Over the material, Past the Digital: Back to Cities 343
(Digital) Form-finding 353
9_digital simulation particle-spring systems 361
|
9.1 Kangaroo plug-in 363
9.2 Kangaroo workflow 364
9.3 Cable simulation 365
9.4 Elastic behavior: Hooke's law 370
9.5 Catenary simulation 375
9.6 Membrane simulation 382
9.7 Shell behavior 391
Form as Unknown -
Computational Methodology and Material Form Generation
in the AA Rome Visiting School Workshops 395
10_evolutive structures topology optimization 405
|
10.1 Shape Optimization 406
10.2 Topology 411
10.3 Topology optimization 412
10.4 Works 419
10.5 Examples 422
10.6 Optimization: finding solutions with Grasshopper 432
11_environmental analysis 441
11.1 Tools 442
11.2 GECO and Ecotect 442
11.3 About GECO's components 446
11.4 Solar diagram and shadows 447
11.5 Exporting geometries and importing data 453
11.6 Insolation analysis 456
11.7 Analysis Grids 459
11.8 Light Control 461
Afterword_Post Digital Strategies 467
Pragmatic computation in Grasshopper
Appendix
I am City, we are City 473
Parametric Urbanism: a New Frontier for Smart Cities 475
Tools and methods for parametric urbanism 478
Playful computation -
How Grasshopper3D & its Plugins
increased my 482
creativity with five project examples
The CloudBridge 491
References 492
Decoded QR list 495
