87,992 research outputs found
Giacomo Cives. Mediazione pedagogica e educazione attiva
No full textL’opera di Giacomo Cives (Roma 1927 - 2022), docente di Pedagogia dal 1975 all’Università di Bari e di Storia della pedagogia dal 1979 all’Università di Roma “La Sapienza”, si è sviluppata, a partire dalla metà del secolo scorso, in una molteplicità di direzioni che hanno toccato pressoché tutti gli ambiti della ricerca pedagogica e storico-educativa. Il volume intende offrire una raccolta dei principali scritti di questo studioso, esponente di una visione “laica” della cultura e dell’educazione, ma aperta al confronto con tradizioni di pensiero diverse, anche di matrice religiosa. Il confronto di Cives con gli autori da lui maggiormente studiati, specialmente in prospettiva storico-educativa, da Giuseppe Lombardo Radice a Maria Montessori, da John Dewey a Edgar Morin, è, inoltre, tenuto in costante riferimento per una comprensione adeguata della visione della pedagogia come mediazione interdisciplinare, da Cives sostenuta per quasi mezzo secolo e applicata in prospettiva filosofica, politica e didattica
Parasitic copepods from Egyptian Red Sea fishes: Bomolochidae Claus, 1875
No full text© The Author(s) 2015
Open Access - This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The attached file is the published version of the article.NHM Repositor
OPTECHTM ILRIS-3D TERRESTRIAL LASER SCANNER: SHORT USER GUIDE
No full textThe OptecTM ILRIS-3D Terrestrial Laser Scanner (TLS) has been recently acquired by the Istituto Nazionale
di Geofisica e Vulcanologia (INGV) Sezione di Bolgna in the context of a TTC program for volcanoes
monitoring (TTC 1.3 Controllo Geodetico delle Aree Vulcaniche Attive) supported by the Dipartimento di
Protezione Civile.
Several experiments were performed by INGV since 2004 to study the level of precision for surface
modelling by means of laser scanner long range instruments, in order to detect the best suitable standard for
rapid and simple acquisition in volcanic area (Pesci et al., 2007). In particular, during the MESIMEX
experiment (October 2006), a national exercitation organized by the Dipartimento di Protezione Civile
(DPC) exploited to simulate a volcanic eruption in Naples, the second TLS survey of the whole Vesuvius
crater was executed and a large mass variations were estimated revealing the collapse of a portion of the
crater. The alignment and comparison of point clouds (2006–2005) show high variations over a large portion
of the NE slope and a volume variation of about 6850 m3 was computed. The analysis was performed in
almost real time by means of direct comparisons between scans, indicating the laser scanning as one of the
most reliable technique for fast monitoring in crisis time (Pesci et al. 2008a).
The main characteristics recommended for surveying in volcanic areas were the laser device eyes safety, the
achievable very long range (> 1 km), the precision of measurements and final accuracy in data modelling, the
acquisition velocity, the instrument portability in terms of weight and size and the ability to manage scanner
by means of PC pocket. The ILRIS-3D scanner was chosen based on the previously described recommended
points. The simple operation needed for scan execution and the possibility to plan and realize a complete
survey by means of only two operators confirmed ILRIS-3D as the best choice for volcanic applications.
This technical report is a simple and effective user guide for laser scanner management providing all the
necessary instruction from instrument settings, remote connection, data storage, downloading and preprocessing.
Authors proposal is to make operators independent enough to scan and carry out survey in interested areas
also without a specific experiences in LIDAR (Light Detection And Ranging) monitoring.Istituto Nazionale di Geofisica e Vulcanologia (INGV)Published1.10. TTC - Telerilevamentoope
OPTECHTM ILRIS-3D TERRESTRIAL LASER SCANNER: SHORT USER GUIDE
No full textThe OptecTM ILRIS-3D Terrestrial Laser Scanner (TLS) has been recently acquired by the Istituto Nazionale
di Geofisica e Vulcanologia (INGV) Sezione di Bolgna in the context of a TTC program for volcanoes
monitoring (TTC 1.3 Controllo Geodetico delle Aree Vulcaniche Attive) supported by the Dipartimento di
Protezione Civile.
Several experiments were performed by INGV since 2004 to study the level of precision for surface
modelling by means of laser scanner long range instruments, in order to detect the best suitable standard for
rapid and simple acquisition in volcanic area (Pesci et al., 2007). In particular, during the MESIMEX
experiment (October 2006), a national exercitation organized by the Dipartimento di Protezione Civile
(DPC) exploited to simulate a volcanic eruption in Naples, the second TLS survey of the whole Vesuvius
crater was executed and a large mass variations were estimated revealing the collapse of a portion of the
crater. The alignment and comparison of point clouds (2006–2005) show high variations over a large portion
of the NE slope and a volume variation of about 6850 m3 was computed. The analysis was performed in
almost real time by means of direct comparisons between scans, indicating the laser scanning as one of the
most reliable technique for fast monitoring in crisis time (Pesci et al. 2008a).
The main characteristics recommended for surveying in volcanic areas were the laser device eyes safety, the
achievable very long range (> 1 km), the precision of measurements and final accuracy in data modelling, the
acquisition velocity, the instrument portability in terms of weight and size and the ability to manage scanner
by means of PC pocket. The ILRIS-3D scanner was chosen based on the previously described recommended
points. The simple operation needed for scan execution and the possibility to plan and realize a complete
survey by means of only two operators confirmed ILRIS-3D as the best choice for volcanic applications.
This technical report is a simple and effective user guide for laser scanner management providing all the
necessary instruction from instrument settings, remote connection, data storage, downloading and preprocessing.
Authors proposal is to make operators independent enough to scan and carry out survey in interested areas
also without a specific experiences in LIDAR (Light Detection And Ranging) monitoring.Istituto Nazionale di Geofisica e Vulcanologia (INGV)Published1.10. TTC - Telerilevamentoope
I pesci delle acque interne campane
No full textLa pubblicazione raccoglie le notizie essenziali (morfologia, distribuzione, riproduzione, habitat) sui pesci che compongono l'ittiofauna delle acque interne della Regione Campania
Desideri, beni, virtù, felicità: la teoria mimetica di René Girard e l'educazione contemporanea
No full textIl volume presenta in maniera organica una discussione delle implicazioni pedagogiche della teoria antropologica elaborata da René Girard, dal recupero del concetto di "modello" ai temi del desiderio e delle virtù, carichi di una lunga tradizione nella storia delle idee. In particolare, si ricostruisce l'insieme della teoria girardiana, puntando ad integrarla con gli apporti di altre tradizioni di pensiero, come l'attuale etica delle virtù avanzata da Alasdair Mac Intyre ed il comunitarismo di Charles Taylor, cercando di mostrare la rilevanza euristica dei concetti sopra menzionati (modello e virtù, in particolare) per una prospettiva storico-critica sui problemi dell'educazione. Il testo si articola in dodici capitoli, partendo da un'analisi del dinamismo dell'agire e del desiderio umano sulla base dell'antropologia mimetica girardiana, per definire il rapporto tra desideri e modelli e, quindi, la relazione tra desiderio del bene e ricerca di senso, tra bene e significato, tra i vari beni disponibili, ponendo, così, direttamente la questione educativa del rapporto tra modelli, comunità e tradizioni discordi, in cui la mediazione ed il conflitto sono esperienze fondamentali, fino all'estremo della violenza e della disgregazione; rispetto a questa prospettiva le tradizioni sapienziali e filosofiche hanno sempre posto come fondamentali e prioritari i valori dell'amore e della virtù, consentendo di definire una concezione della maturità umana che può ancora resistere alla critica corrosiva del decostruzionismo postmoderno
L'educazione impossibile. I "maestri del sospetto" e il problema pedagogico
No full textL'opera di Marx, Freud e Nietzsche ha aperto nuove prospettive alla riflessione pedagogica che vengono delineate in questo studio attraverso la chiave interpretativa fornita anche agli studi storici dalla filosofia di P. Ricoeur. Oggi si è affermata una concezione decisamente problematizzante dell'educazione, che, seguendo la corrente decostruzionistica dominante, tende a porre in evidenza le molteplici aporie legate alla conflittualità del rapporto intergenerazionale, alla crescente globalizzazione che rende obsolete le distinzioni tra culture e nazionalità, al "minimalismo" tipico della postmodernità e della sua concezione antropologica. In questo quadro si ripercorre la lezione dei primi pensatori che, già nell'Ottocento, misero in evidenza orientamenti che divennero egemonici nel secolo successivo e se ne valuta l'apporto alla riflessione storiografica
Editoriale
No full textEsposizione sintetica dei contributi presenti nel volume con specifico riferimento all'idea di pedagogia come "mediazione" (G. Cives) inter- e trans-disciplinare
Presentazione di La pedagogia, lo Stato e la famiglia di Andrea Angiulli
No full textBreve esposizione dei motivi che giustificano una nuova edizione dell'opera di Angiulli, autore di cui in passato la storia della pedagogia si occupò ampiamente e che, attualmente, è meno "frequentato" di quanto appaia opportuno, anche per ulteriori ricerche sul positivismo italiano
EXPERIENCE IN MOBILE LASER SCANNING BY MEANS OF LYNX SYSTEM IN L’AQUILA CITY
No full textThe terrestrial laser scanner is an efficient topographical instrumentation used to acquire a
redundant number of points distributed over a physical surface. The goal of laser scanning is
the definition of very accurate models of the studied areas. In this way, deformations or
changes can be monitored by means of repeated surveys in different epochs [Pesci et al.,
2005; 2007].
The laser signal is characterized by highly collimated, monochromatic, and coherent radiation
that is well suitable for very short impulse generation in the nanosecond scale. The operating
methodology of a time-of-flight laser scanner is similar to a laser range-finder, measuring the
time it takes a laser pulse to travel from a transmitter to the surface surveyed, and back to a
detector device. The range d is computed using the relation d = ct / 2, where t is the time of
flight and c is the speed of light. The advantage of this instruments is the laser beam
deflection over a very accurate angular grid, that can be obtained by oscillating and rotating
mirrors, thus providing a wide coverage area between adjacent points. Each point is collected
into a local reference system consisting of the origin at the instrument sensor, well-known
angular parameters, and very accurate measurements of range.
Together with point coordinates (x, y, z) , radiometric values related to the surveyed object’s
reflectivity can be calculated from returned signal energy. The maximum measurable range
depends on the illuminated material roughness and color, and the laser wavelength [Fidera et
al. 2004, Pesci and Teza, 2008].
Divergence values for new generation long-range scanners are extremely reduced,
illuminating very small surface elements for each shot. The spot dimension increases linearly
with the distance, and is always greater than the lower limit of the instantaneous field of view
(IFOV) due to physical diffraction.
Effective laser scanner characteristics are defined by a set of parameters, including: range
resolution (depending on telemeter efficiency), single point measurement accuracy
(depending on the internal electronic device, signal-to-noise ratio and critical time needed for
pulse recognition), beam divergence (which defines the IFOV, depending on laser
wavelength), and minimum angular step (depending on the internal mirrors calibrated system)
[Wehr and Lohr 1999].
Overlap is the laser scanning strategy that can reduce errors, because redundant points are
acquired belonging to the same illuminated area. A common overlap is obtained by fixing the
ratio between spot dimension (the area illuminated by a single pulse with a given divergence)
and angular step so that a given point is measured 10 times. For instance, if the divergence is
3 mrad and angular variation about 0.3 mrad, at 100 m distance, an element included in a 3
cm area is observed 10 times.
The final result of a laser scanner application is a very dense point cloud, with radiometric
reflectivity data for each point.INGVPublished1.10. TTC - Telerilevamentoope
- …
