STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D

The aim of this monograph is to explain a practical method to find the seven parameters of a conformal three-dimensional (3D) transformation, commonly used for coordinate conversion between different Datums, given the coordinates of a set of points expressed in both reference systems. This issue, in...

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Main Author: Ernesto Sferlazza
Format: Article
Language:English
Published: mediaGEO soc. coop. 2013-12-01
Series:GEOmedia
Subjects:
Online Access:http://mediageo.it/ojs/index.php/GEOmedia/article/view/578
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author Ernesto Sferlazza
author_facet Ernesto Sferlazza
author_sort Ernesto Sferlazza
collection DOAJ
description The aim of this monograph is to explain a practical method to find the seven parameters of a conformal three-dimensional (3D) transformation, commonly used for coordinate conversion between different Datums, given the coordinates of a set of points expressed in both reference systems. This issue, in particular, deals with the Bursa-Wolf transformation’s parameters, also used in the operation methods supported by EPSG to perform datum transformation to WGS 84, by means of “towgs84” values. The topic is illustrated through a practical example, having as subject the transformation used to convert coordinates related to a local cadastral reference system to the global datum WGS 84. Open Source software ILWIS (Integrated Land and Water Information System) is used to perform the crucial phase relevant to estimate the Bursa-Wolf parameters.
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spelling doaj.art-b36cb68cb120486da98b2a11708766212022-12-22T03:49:19ZengmediaGEO soc. coop.GEOmedia1128-81322283-56872013-12-01176525STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3DErnesto Sferlazza0Responsabile gruppo SIT – Nodo provinciale di Agrigento del S.I.T.R. SICILIAThe aim of this monograph is to explain a practical method to find the seven parameters of a conformal three-dimensional (3D) transformation, commonly used for coordinate conversion between different Datums, given the coordinates of a set of points expressed in both reference systems. This issue, in particular, deals with the Bursa-Wolf transformation’s parameters, also used in the operation methods supported by EPSG to perform datum transformation to WGS 84, by means of “towgs84” values. The topic is illustrated through a practical example, having as subject the transformation used to convert coordinates related to a local cadastral reference system to the global datum WGS 84. Open Source software ILWIS (Integrated Land and Water Information System) is used to perform the crucial phase relevant to estimate the Bursa-Wolf parameters.http://mediageo.it/ojs/index.php/GEOmedia/article/view/578gisconversione coordinatetrasformazione 3dbursa-wolfwgs 84
spellingShingle Ernesto Sferlazza
STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
GEOmedia
gis
conversione coordinate
trasformazione 3d
bursa-wolf
wgs 84
title STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
title_full STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
title_fullStr STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
title_full_unstemmed STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
title_short STIMA DEI PARAMETRI DI UNA TRASFORMAZIONE CONFORME 3D
title_sort stima dei parametri di una trasformazione conforme 3d
topic gis
conversione coordinate
trasformazione 3d
bursa-wolf
wgs 84
url http://mediageo.it/ojs/index.php/GEOmedia/article/view/578
work_keys_str_mv AT ernestosferlazza stimadeiparametridiunatrasformazioneconforme3d