CIPA 2005 XX International Symposium, 26 September - 01 October. 2005. Torino. Italy 
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ISMO. To have a suitable place for its workshops, ISMO 
envisages its mission further than just renovation of the ancient 
monuments. 
Figure 2. Minister of Science visits documentation site (09/06/2005) 
It considers the whole village with its nearly 300 residents, the 
environment, the school, the mosque, the labor, the social and 
cultural life, and the economy. ISMO tries to create a center of 
attention in this ancient forgotten place. 
1.2 Citadel structure 
The citadel is believed to belong to 4000 years ago. It embraces 
five gates and 80 houses. Six guard towers were used to protect 
the citadel. The water canal around the citadel was also ditched 
for protection against invaders. Narrow labyrinth passages 
connect the houses. In the citadel there are also a mosque with a 
minaret, a public bath, and water mills. Until 1979 many 
families lived in the citadel. Today, the citadel has been left 
deserted. 
Figure 3. Citadel facades 
The buildings substance of the citadel is very weak and requires 
maintenance. When performing an inventory or documentation, 
one should capture the monuments in as detailed a way as 
possible in the form of construction plans and maps. 
Furthermore, the arrangement of the settlements and the spatial 
content should be recorded. It is clear that these are only 
understood if one includes the social information of the 
population and its living conditions. 
Figure 4. Inhabitants of the area 
While documentation contributes to decision making for 
rehabilitation purpose, it is also necessary to include the 
development possibilities of the region and of the population. 
2. SCOPE OF THE DOCUMENTATION PROJECT 
The most important step at the beginning of the preservation 
work is to prepare a detailed documentation and recording of 
the cultural and natural heritage because without precise 
documentation of the historic structure and its surrounding 
environment, it would be very difficult to carry out a suitable 
restoration project. 
Documentation of the cultural heritage serves as a tool to make 
information accessible to those who cannot investigate the site 
itself. Different reasons can be found for the necessity of this 
information transfer: 
• The object is not accessible to interested people 
• The object is too large or too complicated to be overlooked 
and it would be too time consuming to execute an own 
investigation 
• The object is visible only for a short period of time at its 
original location 
• The object is too far for people to afford visiting it. 
• The object is in danger of deterioration or destruction 
In general, most documentation applications specify a number 
of requirements such as: 
• High geometric accuracy 
• Capturing all details 
• Photo-realism 
• Automation 
• Low cost 
• Portability 
• Flexibility in applications 
• Efficiency in model size 
2.1 What already exists 
A survey was made to collect all available sources for spatial 
information of Khoranagh. The following set of data was 
achieved: Small scale topographic maps, satellite image, aerial 
photo and architectural sketch drawings.