Rotunda - Entrance (3D)
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The west entrance of the Rotunda in Thessaloniki, Greece. The gate has relief decoration with an ottoman inscription on the lintel, from the conversion of the building into a mosque during the 16th century. Above the lintel there are an icon of St. George fitted in the wall and the date 1912, year of the liberation of the city.
The Rotunda was built at the northeastern part of the city, close to the east city walls. Its location was previously an uninhabited, sparsely built area, which was added to the city during the 3rd century fortification. The building is located on the axis of the road that was leading through the Arch of Galerius to the royal palace to the south. It was actually connected to this Arch through a monumental colonnaded way and consequently to the palace.
Metadata | Information |
Source | Athena R.I.C., ILSP, Xanthi, (former Cultural and Educational Technology Institute (CETI) ) |
Contacts |
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Actor | Athanasios Tsaouselis, External Research Assistant |
Actor | Despoina Tsiafaki, Senior Researcher |
Actor | Anastasia Michailidou, External Research Assistant |
Copyright Credit Line |
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Europeana Rights |
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Spatial |
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Protection Type |
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Start Date | 0298-01-01 |
End Date | 0311-01-01 |
Period Name | Roman Era |
Materials | stone, brick, pantile |
Provenace | The 9th Ephorate of Byzantine Antiquities refers to all matters concerning the safeguard and protection, the conservation, the reconstruction, the study and the publication of the monument. |
Heritage Asset Type | http://www.getty.edu/vow/AATFullDisplay?find=mausoleum&logic=AND¬e=&english=N&prev_page=1&subjectid=300005891, Monuments, Churches, Christianity, http://thesaurhttp://www.getty.edu/vow/AATFullDisplay?find=temple&logic=AND¬e=&subjectid=300007595, Katholika, Mausoleums, Architecture, Monasteries, Ιερός Ναός, Temples, http://www.getty.edu/vow/AATFullDisplay?find=Christian&logic=AND¬e=&english=N&prev_page=1&subjectid=300073711, Orthodox Church, http://www.getty.edu/vow/AATFullDisplay?find=Byzantine&logic=AND¬e=&english=N&prev_page=1&subjectid=300020676, http://www.getty.edu/vow/AATFullDisplay?find=Orthodox&logic=AND¬e=&english=N&prev_page=1&subjectid=300385932, Katholika, Oriental Orthodox, Θεσσαλονίκη, http://www.getty.edu/vow/AATFullDisplay?find=Monument&logic=AND¬e=&english=N&prev_page=1&subjectid=300006958, Χριστιανισμός, Early Byzantine, UNESCO |
Metadata | Information |
Name | Digitisation of Rotunda |
Description | The 3D data collection phase (fieldwork) of the monument included terrestrial and aerial photo shooting of the monument. For the terrestrial photo shooting session a DSLR Nikon D40 at 6.1 MP with an 18-55 mm lens along with a tripod has been used. On the other hand, for the aerial photo shooting session, a remote controlled helicopter has been used. The UAV was equipped with a three axis pan-tilt-roll remote controlled camera head (360o on the horizontal axis, 220o on the vertical axis and a rolling ability of 600). A DSLR Canon EOS350d at 8.1MP with an 18-55mm lens has been used for the aerial photo shooting session. The total number of photographs that has been used for the generation of the 3D model of the monument was 652 (469 terrestrial photos and 183 aerial photos). The average distance of the camera from the monument’s surface was estimated at 4 meters |
Purpose | To create a 3D digital replica of the monument |
Techinques | 3D Data Types Transformation,Data Processing |
Equipment | A custom hexacopter equipped with gimbal remote controlled two axis tilt-roll camera base, first-person view (FPV) and GPS,Meshlab (version 1.3.2),Fixed 16mm lens,PC , CPU IntelCoreI74820K 3.7Ghz, 64GB RAM, Radeon R9 290X, Microsoft Windows 7 64-bit,Blender,Manfrotto Camera tripods,Custom Camera Monopods,Samsung NX1000 20MP compact DSLR cameras,20-50mm lens,Agisoft PhotoScan (version 1.1) |
Metadata | Information |
Name | Generation of purpose specific 3D models based on the raw 3D data of Rotunda |
Description | Decimated (simplified in terms of geometry and texture map resolution) versions of the primary 3D model (raw data) has been created in order to allow the visualisation of different quality versions of the 3D digital replica on various platforms. Low Resolution Model: 75K Facets - Image Texture Size:1024^2 Medium Resolution Model: 250K Facets - Image Texture Size:4096^2 High Resolution Model: 1M Facets - Image Texture Size:8192^2 |
Purpose | To provide a 3D model that meets different devices hardware specifications |
Techinques | 3D Data Types Transformation,Data Processing,Data Processing |
Equipment | A custom hexacopter equipped with gimbal remote controlled two axis tilt-roll camera base, first-person view (FPV) and GPS,Meshlab (version 1.3.2),Fixed 16mm lens,PC , CPU IntelCoreI74820K 3.7Ghz, 64GB RAM, Radeon R9 290X, Microsoft Windows 7 64-bit,Blender,Manfrotto Camera tripods,Custom Camera Monopods,Samsung NX1000 20MP compact DSLR cameras,20-50mm lens,Agisoft PhotoScan (version 1.1),PC , CPU IntelCoreI74820K 3.7Ghz, 64GB RAM, Radeon R9 290X, Microsoft Windows 7 64-bit,Agisoft PhotoScan (version 1.1),Meshlab (version 1.3.2) |
Actor | Athanasios Tsaouselis, External Research Assistant |
Actor | Anestis Koutsoudis, individual, Digitisation team member |
Actor | Fotis Arnaoutoglou, individual, Digitisation team member |