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B9 sorin hermon_et-al_cenacle_jerusalempdf

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pdf presentation by Dr. Sorin Hermon:
Digitising the Holy - 3D documentation of the Cenacler Room and the Tomb of David Complex at the
EVA/Minerva Jerusalem International Conference on Digitisation of Culture,
Jerusalem, The Jerusalem Van Leer Institute, 12-13 November 2013
http://www.digital-heritage.org.il
Presentations available at: http://2013.minervaisrael.org.il

Published in: Technology, Spiritual
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B9 sorin hermon_et-al_cenacle_jerusalempdf

  1. 1. Digitizing the Holy 3D Documentation and analysis of the architectural history of the “Room of the Last Supper” – the Cenacle in Jerusalem Sorin Hermon, Marina Faka, Giancarlo Iannone Amit Reem, Gideon Avni, Hamudi Khalaily                 Guy Ourisson Building,  echnical Institute ‐ HTI, grounds) 
  2. 2. Presentation outline 1. Aims of the project 2. Historical background 3. Methodological approach 4. First results 5. Evaluation of digital methodology 6. Implementation of methodology 7. Conclusions
  3. 3. Aims of the project Linksceem – EU funded research infrastructure project aiming at enabling the use of High Performance Computing facilities at    the Cyprus Institute at a regional scale 2. ArcLand – EU funded (Culture program) on enhancing the use of remote sensing and documentation techniques for             Archaeology 3. 3D ICONS – making online accessible 3D data on iconic heritage 4. Scientific collaboration between: 1. The Cyprus Institute – Science and Technology for Archaeological Research Center 2. Israel Antiquities Authority – excavations and surveys, preservation and conservation of heritage, dissemination and educational programs related to archaeology 3. Aims of research 1. adoption (at a large scale) and implementation of 3D Susan Hazan and Sorin Herman documentation by IAA 2. optimization of workflow 3. Training IAA researchers e, Guy Ourisson Building,  Technical Institute ‐ HTI, grounds)  ct  )  on)  anning  plicantions)  ab  rammetry  licantions)   and exercises with objects    1.
  4. 4. 2nd Century C.E. Historical 6 Background th Century C.E. Madaba map ocumentation and analysis of the “Room of the Last acle in Jerusalem Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Figure 2. floor added (6th Century) Second Madaba map fragment with the Cenacle building (Agia Zion). Destroy site was subject to several historical and – 9th The and re-built and destroyed (6 related researches [4,5, 6], Centuries)(except but very limited systematic archaeological excavations a few test pits dug at the beginning of the 20th century) or architectonic analyses were ever performed. The site’s history is briefly presented in the following chapter. Enough is to say now that while its origin go back to probably Susan Hazan and Sorin Herman century AD, the current state of the building dates to the 4th back to roughly the Crusader period (ca. 12th to 14th centuries AD) and minor (and largely un-documented systematically) alterations during the Ottoman period in the 16th century AD. Due to its importance, the Israel Antiquities Authority, the Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. Figure 3. Detail of the cenotaph room. Following the Crusaders’ expulsion, by orders of the Ayubic sultans of D brought by the Franciscan order in t repaired its roof with a gothic rib vaultin place was transformed into a mosque (a the upper floor, and the lower structu pilgrimage place – the tomb of proph today may see the place how it looked l
  5. 5. 10th Century – Crusaders re-build the complex with available “recycled” construction material and own adds 14th Century – Franciscans repair the roof and add vaulting ocumentation and analysis of the “Room of the Last acle in Jerusalem Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. Susan Hazan and Sorin Herman King David cenotaph
  6. 6. 16th Century – A Muslim holy place Historical Background Mihrab Holy inscription Mamluk decoration Decorated window ocumentation and analysis of the “Room of the Last acle in Jerusalem Recent history – site becomes public (free entrance) for all, under the Cabinet of the Prime Minister (Franciscans, through the Vatican, claim the place) Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. Susan Hazan and Sorin Herman
  7. 7. Methodological Approach 1. Aims 1. 3D documentation of the lower and upper rooms 2. Material suitable for architectural / history of architecture analysis 3. 3D models made available for Europeana 4. Training of IAA staff 5. Testing suitability of methodology for IAA needs 2. Constraints 1. Limited available time for scanning 2. Continuous flow of visitors / pilgrims / religious services 3. Poor lighting conditions ocumentation and analysis of the “Room of the Last acle in Jerusalem Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. Susan Hazan and Sorin Herman
  8. 8. complicated to perform within the Meshlab environme which allows only measurements of straight lines between tw given points. All curved planes, arcs or irregular shapes we measured with JRC Reconstructor or in AutoCAd. First Results Lower room Figure 7. Stone by stone drawing extracted from the 3D point cloud. ocumentation and analysis of the “Room of the Last acle in Jerusalem Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired The visualization analysis can reveal emerging patter otherwise obscured, new aspects of data or can virtually crea views impossible in the real world. For example, aligning t upper and lower parts of the complex, it is possible immediately identify the symmetric alignment between t lower hall pillars and the upper rooms columns (Figure 8). Stone-bystone CAD drawing Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. Susan Hazan and Sorin Herman Upper room
  9. 9. Figure 8. Superposition of the lower hall and the upper room. Figure 9. 3D alignment of the façade with the interior. The possibility to investigate the upper A 3D view of the complex (Figure 9) shows how the 3D model from various points, under different zooming and renderings (Figure 10) room columns are directly positioned our understanding on the building’s history (in the enhances above the pillars of the example shown, we can refer to the It lower hall. The symmetry of the two rooms is Alignment also between the apparent. relationship cenotaph room below – bottom left corner and the Upper Room shows how the cenotaph room (in particular the access to the “Room of the Holy Spirit”). niche (lower right), in front of upper and which the cenotaph is positioned, is de-centralized from the front wall. It is also evident that the Muslims lower rooms the who modified upper room into a mosque also changed the interior lightening: the mihrab is covering the central window, still visible from the Figure 8. Superposition of the lower hallclear upper room. exterior. This is 3D and the the alignment of the façade’s 3D also A 3D with the complex (Figure 9) shows how the upper modelview ofvisualization space (Figure 9). The façade was the interior architecturalby stone drawing extracted from the 3D point cloud. Figure 7. Stone room columns using a positioned above the pillars ofdigital images and recorded are directlyofsimple rooms is apparent. It also sequence of the analysis separate and lower hall. The symmetry the patterns The visualization analysis can reveal emerging two converted intoor canroom niche with the 123D software. a 3D model front of of hases otherwise obscured, new real world. data example, aligningisthe of impossible in the aspectsthe cenotaph virtually create the shows howcenotaph is positioned, (lower right), infrom the views For which the de-centralized mpleupper how front wall.the iscomplex, it isthat the Muslims who modified the on and lower parts of It also evident possible to immediately ocumentation and analysis identify the symmetric alignment between the the interior lightening: the “Room ofpoint and the upper roomsacolumns (Figurechanged 3D hall pillars upper room into mosque also 8). of the lower the Last the central window, Figure Virtual superposition visible from the acle Jerusalem ay infor further the mihrab is covering clear the alignment stillthe10.façade’s 3D of the complex. exterior. This is also of mpleted with model with the interior space (Figure 9). The façade was f the architectural Over g any desired recorded using a simple sequence of digital images and ntify, separate and converted into a 3D model with the 123D software. position of sare relatively phases of the nenvironment, example on how external and rom the 3D point Susan Hazan and Sorin Herman internal between two 4 ve way for further completed with ry shapes were spaces .along any desired First Results Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. ments are relatively hlab environment,
  10. 10. Evaluation of digital methodology 1. Field workflow 1. Laser scanner for interior spaces – easy to use 2. Structure-from-motion exterior façade– easy to use 2. Software 1. Surphaser – data capture – easy to use 2. Menci system – easy to use, expensive software 3. 123D – 3D from images – easy to use, free, but uncontrolled working environment ocumentation and analysis 4. JRC Reconstructor – alignment, cross-sections, analysis – of the “Room of the Last acle in Jerusalem expensive but extremely versatile 5. Meshlab – simplification, mesh – open source, suitable for a few operations related to the research 6. AutoCad – measurements, plans, drawings – expensive, Susan Hazan and Sorin Herman not very user friendly, but efficient 7. Blender – renderings – open source, not very versatile 8. XRDOM – online publication – efficient, needs improvements Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2].
  11. 11. Implementation of methodology ocumentation and analysis of the “Room of the Last acle in Jerusalem Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. 1. IAA structure 1. More than 300 excavations at various scales per year 2. Thousands of complex buildings to document, restore, conserve. 3. Ca. 500 archaeologists – hand drawings 4. Surveyors unit – Autocad - JPG 5. Publications unit - JPG 2. Needs 1. A a huge data storage system 2. Extensive training 3. Shift of work methodology and roles of departments 4. Need for an easy-to-use software adapted for the use of archaeologists / architecture historians / conservators Susan Hazan and Sorin Herman
  12. 12. Conclusions 1. Need for an easy-to-use software adapted for the use of archaeologists / architecture historians / conservators 2. Laser scanners are still preferred over structure-from-motion for large-scale CH assets, for any work related to scientific analysis 3. Existing open-source software does not provide optimal solutions for an in-depth CH analysis 4. Metadata based on CRM is extremely useful and helpful for documenting the scientific process and make it transparent ocumentation and analysis of the “Room of the Last acle in Jerusalem 5. XRDOM – a good start for publishing on-line 3D data. Affiliation (Author) . name of organization n, acronyms acceptable Country ress if desired Middle Bronze or Iron Ages. Others are intercalated with its religious dimension and are iconic of the monotheistic religions of today. Such a building is the “Cenacle”, a complex structure that hosts on the ground floor the presumed “King David’s tomb” and on the upper level the “Room of the last Supper” (open to visitors) and the adjacent Chapel of the Descent of the Holy Spirit (closed to the public) (Figure 1) [2]. 6. Musealization – 3D visualization enhances visitors’ perception, interaction with the digital asset and facilitates transmission of knowledge from researchers to visitors. Susan Hazan and Sorin Herman We still have a long way to go …

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