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The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Praxedes Mateo Sagasta's secondary school of Logrono (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories -from which users can download the full detailed versions- and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.

The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Praxedes Mateo Sagasta's secondary school of Logrono (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories -from which users can download the full detailed versions- and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

[EN] The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.Highlights:A significant part of the architectural heritage is represented by mock-ups of different materials (paper, w, [ES] La maqueta, que comparte con el dibujo la síntesis expresiva para el análisis de la forma y evolución arquitectónica, resulta de un valor incalculable para la preservación del patrimonio. Con motivo del 175 aniversario del Instituto de Enseñanza Secundaria Práxedes Mateo Sagasta de Logroño (España) se organizó una exposición sobre su historia en la Biblioteca de La Rioja. El edificio que actualmente acoge el instituto fue inaugurado en el año 1900 y se construyó sobre el mismo terreno en el que, previamente, había estado un convento de Carmelitas. De hecho, la primera sede del instituto estuvo situada en las dependencias de este mismo convento, tras la desamortización de los edificios eclesiásticos que tuvo lugar a mediados del siglo XIX. Como parte de la muestra, se consideró interesante generar una reconstrucción virtual tridimensional (3D) de los edificios del convento con el fin de mostrar cómo debieron haber sido. La dificultad, sin embargo, residía en la escasez de fuentes gráficas de la época que permitieran conocer su forma y apariencia; por este motivo, se decidió utilizar como base para la recreación virtual una maqueta en papel que había sido realizada por el bibliotecario del instituto como resultado de sus investigaciones a lo largo de los años. El presente texto describe el proceso de modelado 3D a partir de esta maqueta de papel utilizando técnicas de fotogrametría monoscópica (dibujo perspectivo) y el empleo de renderizados no realistas basados en el aspecto de la maqueta de papel (y no en el que debieron tener los edificios) con el fin de generar vistas evocadoras del convento y crear contenidos útiles para la mencionada exposición. Asimismo, el texto trata la preservación a largo plazo de los modelos 3D y el incremento de su reutilización. En el primer caso, mediante el empleo de los repositorios institucionales —desde donde los usuarios pueden descargarse las versiones más detalladas— y, para el segundo fin, mediante la creación de versiones

The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175th anniversary of the Praxedes Mateo Sagasta's secondary school of Logrono (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories -from which users can download the full detailed versions- and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.