Il contributo della cartografia numerico-digitale nel rilevamento architettonico e territoriale come base conoscitiva di analisi delle tessiture murarie e dello sviluppo storico urbano
- Title
- Il contributo della cartografia numerico-digitale nel rilevamento architettonico e territoriale come base conoscitiva di analisi delle tessiture murarie e dello sviluppo storico urbano
- Date
- 1996
- Is Part Of
-
Archeologia e Calcolatori
- Volume
- 7
- Pages
- 917–921
- Language
- ita
- Rights
- CC BY-NC-ND 4.0
- Abstract
- Studies in historic urban sites are very important for the defence and conservation of monuments and to preserve buildings. In this context particular consideration has to be used to layer-object, that is submerged structures and what is adjacent. With modern tools for photogrammetry bearing we can have numerical cartography with topological entities; it offers the means for structural and spatial study of objects. This can be drawn from their context and returned in 3D after some inspections. Useful elements can be added to numerical-cartographic maps by digital orthoimages resulting in mapping and storage operations. Our software inputs four files: - a tiff file storing the orthoimage - an ascii file with .par extension (the aim of this extension, like the following ones, is only indicative) containing rotoscalotraslation coefficients - an ascii file with .dtm extension containing che (x-y-z) coordinates of some generic points - an ascii file with .brk extension containing the (x-y-z) coordinates of some break-line points. Fundamental characteristic of this software is the possibility of recording orthoimages with no loss of geometrical information. The implemented functions include the possibility of displaying the orthoimage on PC screen, zoom in and zoom out, showing the geographic coordinates (East, North) in real time, creating more layouts for drawing, calculating distance between polygons, lines or points, calculating areas and perimeters, showing the altitude (approximation), displaying a DTM (digital terrain model). The interface is very friendly. Now our goal is rendering this prototype independent from its development environment.
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