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Augmented Modelling - Dialogs between physical and digital modelling methods

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Alejandro Veliz

on 19 February 2015

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Transcript of Augmented Modelling - Dialogs between physical and digital modelling methods

Digital Physicality | Physical Digitality
ongoing research
tangible user interfaces
collaborative augmented reality apps
ongoing practice
"digital manufacturing"
"digital tectonics"
technology toolkits
design instruments
Alejandro Veliz*, Tuba Kocaturk, Benachir Medjdoub, Riccardo Balbo
School of the Built Environment, University of Salford
United Kingdom

* A.A.Veliz@edu.salford.ac.uk
Dialogs between physical and digital
modelling methods on architectural design
eCAADe Conference 2012
September 12 - 14 2012, Prague, Czech Republic
Augmented modelling
Dialogs between physical and digital modelling methods
Alejandro Veliz Reyes, Lecturer in Digital Design
Plymouth University
* construction of
a digital model
* production of
a physical model
* fabrication
techniques
1. DIRECTED PRODUCTION
* Created on Wordle.net
Introduction / Problem
Grounding a framework
Concluding remarks
New extents
* theory of distributed cognition in design
* emergent studies on socio-technical artefacts and designer's engagement with design tools
* new hybrid/mixed modelling techniques
What is it about computer-aided design that needs to be aided? (Frazer, 2006)
How to bridge the reality gap in CAAD? (Turk, 2001)
Phenomenological perspective (software): representation/situatedness/communication/holism (Turk, 2001)
CAAD systems should be cognition-based: physical, perceptual, functional, conceptual (Tang and Gero, 2001)
Further research: not just usage schemes, but also families, classes of situations and domains of activities (Rabardel and Bourmaud, 2002, on HCI) as well as unexpected user innovation on traditional modelling methods (based on Desouza, 2007).
IS have been successfully applied in diverse fields such as psychology, e-learning, robotics and gaming - since it's a new concept, entails much more presumptive rather than descriptive analysis.
Further work
+
* Project "Augmented Prototyping", source (Verlinden et al 2003)
* Project "TiMBA TUI", source (Hsiao and Johnson 2011)
* Project "Tangible Geospace", source (Ullmer and Ishii 1997)
Introduction / Problem
Grounding a framework
An architectural model (Klaasen, 2002)
A representation of a conscious simplification of reality, filtered and determined by cultural and individual backgrounds
+
set of reductional constraints
Sets of skills demanded by the architectural practice:

* In-house groups (Expert Modelling Group at Foster & Partners)

* External consultancy (BIM experts or visualization offices)
How can be describe the
interactions that occur on a socio-technical system such as the use of computational tools?
Structural features
Functional features
Temporal features
* Components of the system, both logical and physical.
* Mediational roles: identification of the knowledge arising from the model, and from manipulating the model.
* Instrumental geneses: How the usage scheme defines the functional features and evolutionary characteristics.
Why is a framework needed?

Which aspects should be considered?

Which are the latest modelling technologies to be considered?
digital fabrication
mixed reality technologies
Functional features
* Mediational roles: identification of the knowledge arising from the model, and from manipulating the model.
Structural features
* Components of the system, both logical and physical.
Temporal features
* Instrumental geneses: How the usage scheme defines the functional features and evolutionary characteristics.
* asynchronic relationship between
the virtual and the physical model.

* dependancy relationship.

* e.g. final presentation models.
Keypoints
* asynchronic "loop" relationship between virtual and the physical models.

* continuous modelling process.

* e.g. documentation on Louvre Abu Dhabi (Arch. Jean Nouvel).
Keypoints
!
* asynchronic / unrelated interaction between physical and virtual model.

* e.g. photomontages, post-processed MR videos.
Keypoints
* synchronic / bidirectional interaction between physical and virtual model.

* identification of emergent properties during the usage scheme.
Keypoints
* timeline - usage scheme
* construction of
a digital model
* production of
a physical model
* fabrication
techniques
2. UNDIRECTED PRODUCTION
* timeline - usage scheme
* scanning/retrieval
techniques
* continuous
feedback & update
3. DUAL MODELLING
* timeline - usage scheme
* out-of-step
correlation
4. MIXED MODELLING
* timeline - usage scheme
* incorporation of scanning technologies
* The first author's PhD dissertation is on Interreality Systems, comments appreciated! :)
MIXED
MODELLING
PROCESS
* ongoing research.
* Post-processed MR videos produced at the MSc on Digital Architectural Design, University of Salford.
Keypoints
* a conceptual framework to understand modelling practices focused towards a process rather than a representational artefact.

* the modelling process takes place on an iterative dialog between methods - not only between people, media and objects.
Interreality Systems
* the concept of interreality systems, from the subject-field of physics, aims to explain the MR-based interaction between physical and digital realms.

* its focus on emergent properties and correlations between both realms, anticipates some potentials for design - current ongoing research.
Veliz, Alejandro; Kocaturk, Tuba; Medjdoub, Benachir; Balbo, Riccardo (2012) Dialogs Between Physical and Digital Modelling Methods on Architectural Design, Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejdan, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 2 / ISBN 978-9-4912070-3-7, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 281-289.

http://cumincad.scix.net/cgi-bin/works/Show?ecaade2012_138
Real time parametric modelling
Digital fabrication
Visualisation / AR
Cinema4D (Xpresso Editor)
Rhinoceros (Grasshopper)
Available in 2nd floor
Design computer suite
Available facilities in Brunel Workshop:

- Laser cutting
- CNC milling
- 3D Printing
- Hand-made models - wood and metal workshops

* Induction required / Plan ahead!
From 3D model to a fabrication sequence
e.g. Housing for New Orleans
Freeware - available resources:

Marker tracking tools
- meTaio creator
- AMIRE (Authoring Mixed Reality)

Information sources
- SIGGRAPH
- IMAR Conference
- eCAADe Conference (Europe)
- ACADIA (USA)

Sample visualisation
(AMIRE)
e.g. AR Sandbox
Full transcript