Archives par mot-clé : Gavrinis

Solar Eclipse and Equinoxe in Morbihan

Eclipse + Equinoxe

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The Eclipse

The eclipse took place in Britanny at 10h21 (Gavrinis).
L’éclipse a eu lieu en Bretagne à 10h21 (Gavrinis).

Date Type Start Max End Alt Az
2015.03.20  10:21:42 partial 9:16:24 10:21:42 11:31:42 28.7° 127.2°

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Visualization / visualisation :

2015.03.20__10.21.42[4]

On this graphic below, is shown where from the total eclipse can be seen. Sur le graphique ci-dessous, est montré d’où l’éclipse totale peut être vue.

 
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The best position to oberve the total eclipse would be in the Feroe Islands. La meilleure position pour voir l’éclipse totale serait aux iles Féroé.

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Let’s see it with animation / Voyons cela en animation.

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Observation of the phenomenon in 3D / Observation du phénomène en 3D

Location

Geographical position : 47°34’18 », 357°06’06 » Gavrinis, FR
Date : 2015. 3.20
Time : UT+1.00
Height of eye : 0 m
Temperature : 10 °
Pressure : 1013 hPa

Sun position :

Hour Astronomical altitude Apparent altitude         Azimuth       
    7:00:00 -3.443°   86.636°
    8:00:00   6.668°   6.794° 97.739°
    9:00:00 16.508° 16.561° 109.317°
  10:00:00 25.632° 25.664° 122.103°
  11:00:00 33.460° 33.483° 136.848°
  12:00:00 39.222° 39.241° 154.087°
  13:00:00 42.069° 42.086° 173.547°
  14:00:00 41.445° 41.462° 193.688°
  15:00:00 37.481° 37.501° 212.476°
  16:00:00 30.896° 30.922° 228.812°
  17:00:00 22.542° 22.579° 242.792°
  18:00:00 13.120° 13.186° 255.078°
  19:00:00   3.157°   3.376° 266.425°
  20:00:00 -6.931°   277.550°

Moon position :

Hour Astronomical altitude Apparent altitude         Azimuth       
    7:00:00 -1.642°   88.268°
    8:00:00   8.214°   7.322° 98.852°
    9:00:00 17.787° 16.866° 109.962°
  10:00:00 26.685° 25.802° 122.271°
  11:00:00 34.385° 33.562° 136.484°
  12:00:00 40.190° 39.425° 153.142°
  13:00:00 43.306° 42.576° 172.084°
  14:00:00 43.162° 42.430° 191.946°
  15:00:00 39.799° 39.030° 210.731°
  16:00:00 33.844° 33.017° 227.198°
  17:00:00 26.106° 25.220° 241.293°
  18:00:00 17.272° 16.351° 253.596°
  19:00:00   7.863°   6.978° 264.821°
  20:00:00 -1.719°   275.635°

Moon and sun are like in the same arc. That explains why, the eclipse will occur this day. La lune et le soleil sont pratiquement sur un arc identique, ce qui explique pourquoi l’éclipse a lieu ce jour.

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3D visualization is done with Rhino and Grasshopper. La visualisation 3D est faite avec Rhino et Grasshopper.

Gavrinis.

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Rendering 3dsMax and MentalRay.

View from the ground. Vue du sol.

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Sky configuration / Configuration du ciel

stellarium-000

But it was too cloudy !

Simulation in Unity5

eclipse20mars2015

Gavrinis– Multiscalar Scan & Photogrammetry

Originaly published as Gavrinis, The raising of digital stones : http://www.researchgate.net/publication/258641886_Gavrinis_The_raising_of_digital_stones

DOI:10.1109/DigitalHeritage.2013.6744825 Conference: Digital Heritage 2013, At Marseille - France, Vol: 2

Abstract The Tumulus of Gavrinis, which is located in Brittany, is one of the best known monuments of Neolithic art because of its extraordinary engravings. A joint team of archaeologists and architects began recording the monument using digital multiscalar technology in 2011. The scanning was complicated by the narrowness of the inner spaces, uncomfortable conditions, granulometry of the stone, and extensive vegetation coverage. Continuer la lecture de Gavrinis– Multiscalar Scan & Photogrammetry