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Antoni Cellers (1775–1835), architect and founder in 1817 of the first architectural class in the Barcelona Academy of Fine Arts, spent the last years of his life redrawing the ruins of the Temple of Hercules. Following his steps, Elias Rogent (1821–1897) and Lluis Domènech i Montaner (1850–1923) used the scientific trip to catalog the unknown Catalan heritage as a medium for teaching and disseminating historical architecture. Arabic, Romanesque, Gothic, and Renaissance styles were displayed in the Models Room at the Barcelona School of Architecture in a universal atmosphere. The Philadelphia World's Fair (1876), the Spanish Monumental Art Exhibition (1904), the National Salon of Architecture in Madrid and Barcelona (1911, 1916), and The Art of Spain in the Barcelona International Exhibition (1929) defined thresholds from where to interpret the afterlife of models through exhibitions. As Marco Frascari (1945–2013) pointed out in “The Tell-the-Tale Detail,” models support the development of the narrative sense of details. The Barcelona casts collection teaches us an anachronistic lesson: monuments and their representations are in motion. This chapter aims at analyzing the documents, books, catalogs, and exhibitions that illuminate the afterlife of collections, fostering future imaginings beyond their original contexts.

Las maquetas del arquitecto Paulo Mendes da Rocha constituyen no solo una forma de presentación del proyecto, sino también una forma de pensar capaz de reflejar las poderosas intuiciones espaciales y estructurales de su arquitectura. En estas tiras de papel enlazadas encontramos reflexiones profundas sobre conceptos arquitectónicos como la correspondencia entre estructura y espacio, pensamiento y forma, mano y diseño o escala y paisaje. Este texto quiere ser un estudio y también un homenaje a esta forma de pensar. The models of architect Paulo Mendes da Rocha establish not only a way of introducing the project, but also a way of thinking capable of reflecting the powerful spatial and structural intuitions of his architecture. In these sheets of paper that are bent, we find deep meditations about architectural concepts like the relationship between structure and space, thought and shape, hand and design or scale and landscape. This text means to be a researching work and also a homage to this way of thinking

Las explicaciones de los temas de análisis de cuerpos así como de sus secciones e intersecciones entre sí suelen ser unos temas que resultan difíciles de asimilar por el alumnado. Por otro lado la confección de problemas sobre estos temas también presenta sus dificultades al profesor en cuanto a encajar el problema adecuadamente en sus posiciones y medidas para hacerlo compatible con los límites del formato usado para su resolución. En la presente ponencia se abordan estos temas mediante un tratamiento que involucra la confección de maquetas 3D que permitan al profesor desarrollar estos temas y hacer presentaciones con maquetas virtuales, susceptibles de movimientos, para mostrar las soluciones así como hacer los análisis que se estimen oportunos. Palabras clave: maquetas, maquetas virtuales, docencia de Expresión Gráfica, investigación y análisis de formas. Abstract The explanations of the topics of analysis of bodies as well as of their sections and intersections among if they are usually some topics that they are difficult to assimilate for the pupil. On the other hand the making of problems on these topics also introduces its difficulties to the professor as for inserting the problem appropriately in its positions and measures to make it compatible with the limits of the format used for its resolution. In the present report these topics are approached by means of a treatment that involves the making of scale models 3D that allow the professor to develop these topics and to make presentations with virtual scale models, susceptible of movements, to show the solutions as well as to make the analyses that are considered opportune. Words key: scale models, virtual scale models, docencia of Graphic Expression, investigation and analysis in ways.

Studies regarding solar energy at the neighbourhood scale always have to deal with the size and the complex geometry of a real built context. Three-dimensional modelling techniques allow visual reproduction of formal features and solar performance of a city portion. Nevertheless, the definition of the right level of detail (LOD) is always a crucial point when creating digital mock-ups. On the one hand, currently available computational resources are not totally able to suport the exact representation of a building cluster and the simulation of environmental phenomena is often based on parametrical analyses. On the other hand, a drastic geometrical abstraction could discard important information and affect the reliability of solar predictions. This study aims to identify the most suitable LOD to simulate the solar performance at the mesoscale of the city. To do this, the direct radiation access within a building cluster is assessed by employing virtual models with different approximation degrees. This comparison allows assessing the margin of error between different levels of detail and discussing about benefits and inconveniences of the two approaches. The results might be elaborated to define a rank of deviation factors, useful to evaluate the margin of error provided by generic models with regard to solar predictions.

The lighting of models displayed in Augmented Reality (AR) is now one of the most studied techniques and is in constant development. Dynamic control of lighting by the user can improve the transmission of information displayed to enhance the understanding of the project or model presented. The project shows the development of a dynamic control of lighting based on a data-glove with accelerometers and A/D NI-DAQ converter. This device transmits (wired/wirelessly) the signal into the AR software simulating the keystrokes equivalent to lighting control commands of the model. The system shows how fast and easy it is to control the lighting of a model in real-time following user movements, generating great expectations of the transmission of information and dynamism in AR.