![]() Colleagues and the general public can also be transported to the site, almost physically, generating an authentic sense of presence, which greatly facilitates the contextualization of the archaeological information gathered. Immersive virtual environments augmented by research materials can be very useful to contextualize archaeological discoveries, and to test research hypotheses, especially when the team is back at the laboratory. The present paper seeks to fill this gap by providing simple practical solutions, based on rigid and non-rigid transformations. Photospheres are generally produced in the form of distorted equirectangular projections, neither georeferenced nor oriented, so that any registration of external documentation is far from straightforward. Here, we propose to take advantage of this potential for archaeology and cultural heritage, and to extend it by augmenting the images with existing documentation, such as 2D maps or 3D models, resulting from research studies. Photospheres, or 360° photos, offer valuable opportunities for perceiving space, especially when viewed through head-mounted displays designed for virtual reality. Finally, the paper predicts future research directions for virtual reality, with a particular focus on interaction interfaces and explores the implications for the cultural heritage domain. The paper describes the process for optimizing the 3D virtual model, the implementation of the interactive scenario and the results of a proposed 3D VT/IM of redesigning model for the Qaitbay Castle Plaza. Further, the 3D virtual model was implemented by integrated steps through Virtual Tours and Informational Modeling (VT/IM) to improve real urban data of heritage sites. The scenario was realized by integrating low-cost Virtual Reality (VR) techniques, as the Kolor Panotour Pro software, some tools as Oculus Rift DK2 and the Leap Motion controller. Also, this plaza is considered as a tourist and historical area as well as the organization for paths of movement and transforming the work places for sale from street vendors to organized markets. The results of the research would be used for the renewal of the current plaza of Qaitbay castle by making it more attractive. The study includes engagement tool of historic conservation in Alexandria, brings historic spaces and buildings to users in detailed studies whether researchers or students. This site discusses a conceptual and practical workflow for the development of virtual heritage platforms as a research area, educational purpose. So, this paper focuses in using various digital restoration techniques and methods to investigate and incorporate a cultural-feed into digital platforms of VH especially at Alexandria in Egypt as Qaitbay castle plaza. So, Virtual Heritage Environments (VHE) suffers from the lack of ‘thematic interactivity’ due to the limited cultural heritage content and engaging modules largely used in photorealistic systems. Yet, human attitude and cultural traditions remain a gap in current research and advanced technology in heritage visualization. Digital models of historical buildings and its urban spaces only give a sense of precision for their historical values. Beside, using Geographical Information System (GIS) and Google earth model to define these urban heritage sites accurately with all database related to the specific area under study. One of these techniques is Virtual Reality (VR) that could be used to improve the field of Virtual Heritage (VH) which is directed towards accurate representation of historic structures in urban heritage sites, objects or artefacts. There are various restoration methods and techniques that would help specialists whether planners, designers and archeologists to study historical sites and their valued heritage buildings in various cities at Egypt as Alexandria governorate which is considered as one of heritage towns.
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