Tag Archives: serious games

2013 in review

5 Jan

The WordPress.com stats helper monkeys prepared a 2013 annual report for this blog.

Here’s an excerpt:

The concert hall at the Sydney Opera House holds 2,700 people. This blog was viewed about 16,000 times in 2013. If it were a concert at Sydney Opera House, it would take about 6 sold-out performances for that many people to see it.

Click here to see the complete report.

Etruscanning in Tokyo

22 May

The Etruscanning application showing the reconstructed Regolini-Galassi tomb is part of a technological exhibition Italia del futuro, that is travelling around the world.  The exhibition is organised and promoted by the Italian Ministry of Foreign Affairs. Recently, the exhibition was shown in Tokyo, in the Istituto Italiano di Cultura from April 17 to May 17, 2013.

Italia_del_futuro

The traveling technology exhibition Italia del futuro in the Istituto Italiana di Cultura in Tokyo

The Etruscanning application is a contribution of CNR to this exhibition, as example of virtual heritage.

Etruscanning_at_Italia_del_futuro

Etruscanning installation (left) at the exhibition Italia del futuro

The president of CNR, Doct. Luigi Nicolais, was present at the opening of the exhibition (second person from the left in the image below).

opening_Italia_del_futuro

Opening of the exhibition Italia del futuro

The next stop of this exhibition will be in San Franscico, USA, from July 12 to August 23, 2013.

This blog is part of the Etruscanning 3D project, that is being partially funded with support from the European Commission. This blog reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

 

Etruscanning3D in Tongeren

18 Mar

On March 15, 2013, the Gallo-Roman museum of Tongeren, Belgium opened a great exhibition on the Etruscans, named Una Storia Particolare. The exhibition shows a excellent selection of Etruscan objects and ends with the Regolini-Galassi tomb.  Many objects on display are on loan from the Allard Pierson Museum in Amsterdam, the National Museum of Antiquities in Leiden and the Vatican Museums.

Regolini-Galassi room

Room dedicated to the Regolini-Galassi tomb (photo: Daniel Pletinckx)

In a separate room, the contour of Regolini-Galassi tomb has been depicted on the floor and some of the objects from the tomb are on display, positioned on the same place as in the original tomb. Key objects which are on display are the six-headed lebes and the bronze holmos.

Regolini-Galassi room

Objects from the Regolini-Galassi tomb (photo: Daniel Pletinckx)

Next to the objects from the Regolini-Galassi, the Etruscanning3D application has been installed, showing the tomb and about 80 digitally restored objects in an interactive way through virtual reality.  This serious games setup is based upon a Kinect camera and uses the version of the software with the hotspots.

Etruscanning3D

The Etruscanning3D application in the Tongeren museum (photo: Daniel Pletinckx)

The exhibition is open until August 25, 2013.  More practical information can be found here.

This blog is part of the Etruscanning 3D project, that is being partially funded with support from the European Commission. This blog reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

 

The holmos and lebes digitally restored

28 Nov

The bronze holmos of the Regolini-Galassi tomb is a very elaborated and beautiful object that has suffered significant damage and corrosion.

bronze holmos

Bronze holmos from the Regolini-Galassi tomb (photo: Vatican Museums)

To reveal the beauty of this object, we have unwrapped its decoration and used this image to create the line drawing of the engraved decoration.  Based upon this engraving and upon detailed study of the applied embossing, we have created a displacement map of the decoration of each of the parts of the holmos.

holmos unwrapped texture

Unwrapped decoration of the holmos cone (image: Visual Dimension bvba)

The displacement map is created in the same way as for the other objects: we simulate the engraving and embossing process in different layers of a Photoshop image, that is overlaid on the unwrapped texture.

Depth map holmos cone

Displacement map of the holmos cone (image: Visual Dimension bvba)

The displacement map is transformed into a normal map in Unity3D, giving a very nice real time rendering of the bronze object.

DROMOS8_new

Digitally restored holmos, placed in the Regolini-Galassi tomb (image: CNR-ITABC)

Digitally restored holmos, placed in the Regolini-Galassi tomb (image: CNR-ITABC)

DROMOS10_new

Digitally restored holmos, placed in the Regolini-Galassi tomb (image: CNR-ITABC)

The 6-headed lebes also suffered deformation and damage, so we performed digital restoration on this object as well.

6-headed lebes

Bronze six-headed lebes from the Regolini-Galassi tomb (photo:Vatican Museums)

In this case, we derived the unwrapped texture from a 3D model that was made from dense stereo matching on a set of photographs taken with an object tent.

3D photography of the lebes

Photography of the lebes in an object tent for creating the 3D model (photo: Vatican Museums)

detail of lebes

Detail of the engraving of the lebes (photo: Vatican Museums)

We first identified the full engraving of the lebes on the unwrapped texture, completing the missing parts.  Then, we painted the embossed features in a similar way as the other objects, through observation of those features on the many photographs taken.

lebes_depth_map_comp

Displacement map superimposed upon the unwrapped texture of the lebes (image: Visual Dimension bvba)

The displacement map was imported in Unity3D and translated into a normal map for real time visualisation (see images below, compare with images above).  All digitally restored objects are integrated in the new version of the application.

digitally restored six-headed lebes

Digitally restored six-headed lebes (image:CNR-ITABC)

Digitally restored six-headed lebes

Digitally restored six-headed lebes (image:CNR-ITABC)

This blog is part of the Etruscanning 3D project, that is being partially funded with support from the European Commission. This blog reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

 

The situla restored digitally

27 Nov

One of the outstanding silver objects from the Regolini-Galassi tomb  is a situla, a ritual bucket to contain holy water or milk.  The situla is only preserved partially and consisted of a wooden cilindrical bucket decorated with a silver cover showing three animals and palmettes, as the symbol of life.

Silver situla

Silver and wood situla of the Regolini-Galassi tomb (photo: Vatican Museums)

The silver decoration was found by the excavators in a fragmented state and recovered only partially.  Presumably, the situla was suspended in the triangular window opening (see image below) and when the situla fell down, it broke and many fragments that fell on the ground were destroyed by corrosion.

situla suspended in triangular window

Situla suspended in the triangular window of the tomb (image: CNR-ITABC)

We digitised the situla by turntable photography (so that the cylinder could be unwrapped as one image) and closeup photography, so that the hinge and the chain could be modelled in 3D by hand.  The main goal of unwrapping the cylindrical silver sheet was to digitally restore it.  The physical restoration has not been documented and dates back probably to the 19th century.

photographing the situla

Photographing the situla on a turntable at the Museo Etrusco Gregoriano (photo: CNR-ITABC)

The resulting photographs were assembled into one image, depicting the cylindrical surface of the situla.  As can be seen from the images below, the silver sheet has also been embossed and engraved.  The digital restoration focused on understanding the production process and improving the physical restoration, based upon that knowledge, as the parts that have been added do no contain any engraving or embossing.  It appeared also that a  few small parts of the original silver are missing (see for example the wing of the griffin below).

unwrapped decoration of situla

Unwrapped decoration of the situla (image: Visual Dimension bvba)

detail of situla decoration

Detail of the restored situla decoration, showing a griffin (image: Visual Dimension bvba)

The digital restoration was implemented through the creation of a displacement map, which is the most efficient technique to deal with embossed and engraved objects (see also our blog post on the digital restoration of a patera).  In Photoshop, we created extra layers on top of the unwrapped situla decoration image, one layer for the engraving, one layer for the embossing.  Additional layers have been introduced to simulate the deformation of the metal when engraving. We also created a transparency map to indicate the form of the cutouts in the silver sheet.

restored depth map

Digitally restored displacement map of the situla (by Visual Dimension bvba)

Study of the unwrapped image showed that the palmettes were made by hammering the shape with a tool in the form of the palmette.  This production process was simulated in Photoshop.  The resulting transparency and displacement maps are used in the interactive real time visualisation system that has been implemented by CNR-ITABC (see image below).

digitally restored situla

The digitally restored situla in the Regolini-Galassi tomb (image: CNR-ITABC)

This blog is part of the Etruscanning 3D project, that is being partially funded with support from the European Commission. This blog reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

 

New version of the Regolini-Galassi tomb visualisation

26 Nov

After quite a long break, we’re back to continue to update this blog.  CNR-ITABC in Rome has been working hard on creating a new version that has been demonstrated at the Italian Science Festival in Genua (Oct 25 – Nov 4, 2012) and at the ArcheoVirtual exhibition that took place in the context of the Borsa Mediterranea del Turismo Archeologico in Paestum, Italy (Nov 15-18, 2012).

New version of Regolini-Galassi tomb 3D application

New version of Regolini-Galassi tomb 3D application (image: CNR-ITABC)

At the Science Festival,  many children could use the application, which was hosted and evaluated by the V-MusT European network.  The V-MusT stand had about 4000 visitors.

Etruscanning3D at Genova

Etruscanning3D at Science Festival in Genova

At ArcheoVirtual, where a large number of new virtual museum applications where demonstrated, the Etruscanning3D application was also evaluated by the V-MusT team.  The visitors were very positive about the new application.

Etruscanning3D at ArcheoVirtual

Etruscanning3D at ArcheoVirtual 2012

At ArcheoVirtual, Etruscanning3D received the Award for best application in the category “New Interaction” and was the virtual museum that was appreciated the most by the visitors of the exhibition.

ArcheoVirtual Award ceremony

Etruscanning 3D receives the “New Interaction Award” at ArcheoVirtual 2012

The new version not only contains many more digitally restored objects, but allows also to navigate freely through the tomb and to select objects.  You will read more about the digital restoration of the objects in the next posts of this blog.

restored holmos

The restored holmos at the entrance of the Regolini-Galassi tomb (image:CNR-ITABC)

restored shields

The restored bronze shields in the Regolini-Galassi tomb (image:CNR-ITABC)

main chamber

The main burial chamber (image: CNR-ITABC)

In April 2013, the new version of the Etruscanning3D application will be installed permanently in the Vatican Museums.