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Natural interaction in virtual architectural environments

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Project log

Luis A. Hernandez-Ibañez
added 22 research items
This article presents a novel installation for the development of hybrid physical-numerical flood models in an augmented reality environment. This installation extends the concept introduced by the well-known Augmented Reality-SandBox (AR-Sandbox) module, which presents a more educational, and less research-based and professional application. It consists of a physical scale topography built in a sandbox into which other elements (such as buildings, roads or dikes) can be incorporated. A scanner generates, in real time, a Digital Terrain Model (DTM) from the sandbox topography, which serves as a basis for the simulation of overland flow using professional hydraulic software (Iber+). The hydraulic and hydrological parameters (surface roughness, inlet discharges, boundary conditions) are entered with a simple Graphical User Interface (GUI) developed specifically for this project, as indeed was the entire system that allows the visualization of the simulation results. This allows us to obtain quantitative results of flood extension and magnitude, which are represented directly over the physical topography, yielding a realistic visual e�ect. This installation is conceived for both educational and professional uses. An example of its use is presented, through which its accuracy can be appreciated, and which also illustrates its potential.
- Desde que nacemos, la comunicación con nuestro entorno se basa en el lenguaje corporal; la mirada, el tacto o los gestos constituyen las fórmulas iniciales de comunicación hasta que en etapas posteriores adquirimos el lenguaje hablado y escrito. Hoy en día los museos incorporan, de manera creciente y sostenida, el uso de instalaciones cuyas interfaces utilizan esos mismos canales de comunicación que resultan “naturales” para sus visitantes, facilitando la experiencia pedagógica y aumentando su capacidad educativa. En este tipo de instalaciones, la interacción se basa en la extracción de información sobre las intenciones del usuario a partir de sus acciones por parte de la aplicación informática y la presentación de contenidos que son manipulados intuitivamente por el usuario. En el presente texto, se describen diferentes trabajos realizados por los autores en el diseño y la ejecución de experiencias basadas en el concepto de interacción natural, desarrollados para museos y centros de interpretación. Los diferentes ejemplos se han agrupado sobre la base de los tres grandes ejes —describir, evocar y experimentar— que, en nuestra opinión, articulan la experiencia del usuario en la museología virtual.------------------------------- Since we are born, the communication with our environment is facilitated through body language; sight, touch or gestures provide starting communication formulas until, in a later stage, we acquire the spoken language and the written word. Today, museums are incorporating, more and more, installations whose interfaces use those communication channels, as they result “natural” to visitors, facilitating the pedagogic experience and increasing its education power. In this type of installations the interaction is based on the extraction of information about user intentions from a computer application. It is also based on presenting contents that can be manipulated intuitively by the user. This paper describes several projects undertaken by the authors, which deal with the design and execution of experiences based on the concept of natural interaction. These have been developed for museums and interpretation centres. The examples have been grouped in three main axes: description, evocation, experimentation. In our opinion, these axes articulate the user experience in virtual museology.