The application of photogrammetry in documentation of inscriptions on monuments Case study: Allah Allah dome in Sheikh Safi al-din shrine complex

Among all the elements and decorations of historical monuments, Calligraphy could be named as one of the most important ones. Elegancy of early Islamic scripts, because of the nature of their letters’ shapes and their ability to be used in different contexts, propelled them from an aesthetic position to a practical one. After many centuries when a lot of their samples are available on every Islamic monument, they have the both aesthetic and practical values; their values are based on the information that they provide. Despite the importance of the last factor, there are a lot of problems for studying them that the most important one is the lack of sufficient amount of pictures of epigraphs.