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In literature 4D is primarily dedicated to the constructability analyses conducted during the pre-construction stage. It is also adapted to monitoring the progress of work. In short, 4D makes it possible to check that building elements can be built/assembled within the spatial and time constraints of the construction project.

In parallel researchers more and more attemps to understand the added-value of 4D CAD in design stage. We conducted a case study aiming at implementing a 4D model during the "advanced design" stage of a construction project.

The results are reported in a short article published on Tudor's website: in french and in english.

4D simulations are usually used to assess constructibility of construction projects in preconstruction stage, i.e. when the design project is in its last developments. However alternative usages of 4D models can be envisaged.
In the context of a project management master course at University of Liège, architects and construction engineers are developing 4D models for the understanding of high-rise structural principles as well as for the analysis of the construction processes.
Some results are provided in the following movie.

In one of our projects we are designing and prototyping a mobile application for construction site management. A remaining question when specifying functionalities and implementing them on touch-based smartphones is how to define gestures use. Another issue is to ensure that on-screen interactions have the same meaning for the user in the various screens of the application.

User tests and ergonomics assessment of the whole application are probably the best methods. However our initial experience shows that it is important to consider this issue in the early stages of design, during brainstorming and specification sessions.
For that purpose, the Touch Gesture Reference Guide, together with the all new Touch Gesture Reference Cards are probably perfect companions for the application design team. They are designed and provided by Craig Villamor, Dan Willis, Luke Wroblewski and Kim Fulton.

Lets try it in our next sessions...

Speaking_image propose un service web d'annotation collaborative d'images, issu d'un projet open-source.

Parmi les principales fonctionnalités :

• Upload d'images, ajout de métadonnées et d'une valeur d'échelle (rapport pixels/cm, intéressant !),
• Outils d'annotation graphique relativement classiques (fonctionnalités pour dispositifs tactiles à venir),
• Wiki intégré : certaines annotations graphiques peuvent renvoyer vers une page wiki, intégré au site,
• Gestion des accès des autres utilisateurs, avec possibilité d'édition ou non,
• Connexion aux réseaux sociaux Facebook, Twitter etc.
  

SpeakingImage is an open source package developed by Fundación General CSIC and 2mdc.com. By the time being, this is a beta testing environment where one may get a taste of the functionality of the package. Sooner than later we will open a specific website for the project from where one will be able to download working copies of the software package and all the required documentation, please, be patient.

Le site Interaction-Design.org lance son encyclopédie. L'accès est gratuit et elle aborde les thématiques suivantes : Interactive Design, Usability, and User Experience faisant la part belle au multimédia (contenu vidéo) et réseaux sociaux. La politique de publication est clairement affichée, et le modèle s'affirme en opposition avec celui de Wikipedia :

• Les chapitres sont (et seront) rédigés par des plumes reconnues,
  
• Un comité éditorial veille au processus de publication,
  
• Une expertise est organisée pour chaque chapitre (peer review),
  

Intéressant et pratique aussi le système d'affichage et d'export de la bibliographie de chaque chapitre, avec prise en compte des multiples formats.


Il est également possible de récupérer la citation du chapitre lui-même, suivant les mêmes options :