International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B4. Istanbul 2004 
  
inquiry. In addition to this manual modelling with 3D Cad 
software was most time consuming and required operators' 
expertise. 
In the second part of the study, photo texture couldn't drapped 
to the vector data in 3D scene in ArcView, but by preparing a 
large information table and linking the images, which are 
belong to buildings, to the vector map, a simple information 
system was generated. 
3. CONCLUSION 
In this study, introduction to 3D City model has been realized in 
a simple sense. From the CAD model produced by aerial 
photogrammetric technique, 3D photo-texture model has been 
introduced by using building heights and its rectified images. 
And then, an integration between the 3D model of object 
generated from photogrammetric techniques and attribute data 
concerning the same model of object has been provided on 
ArcView which is a GIS tool. With this integration, the data 
will be continually updated, analyzed and queried. During this 
integration for visualization, there is often a data reduction in 
photogrammetric model. This data reduction has been seen also 
in our applications, except the first one which is terrestrial 
application. In other applications data lose has been seen while 
extruding the polygons. Aspect of generation systems, data 
acquisition techniques and visualization of 3D city models, two 
techniques used is nicely proportioned. 
As a result, photogrammetry is an appropriate method as a data 
acquisition method, and GIS (ArcView) and CAD System 
(AutoCAD) are appropriate tools as data visualisation and 
information storage tools for 3D City Modelling. The result of 
the study also confirms that building 3D Campus Model with 
the defined method and required data through the user needs 
was performed very easily and effectively. 
References 
Brenner C., Haala N., and Fritsch D., 2001. Towards fully 
automated 3D city model generation. /n Proc. Workshop on 
Automatic Extraction of Man-Made Objects from Aerial and 
Space Images III, Ascona. 
Karsli F., Ayhan E. Tunc E. 2003. 3D Photo-Texture 
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Using Photogrammetry And GIS: A Case Study in K.T.U. 
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Architectural Conservation Between Theory and Practice, 
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Karsli F., Ayhan E., Tunc E., 2003, Building 3d Photo-Texture 
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