Goal 1

Created miércoles 13 mayo 2015

Goal 1: High resolution georeferenced RGB mosaic of the grassland to map fairy rings

Specification of Final product 1:

• Must match or outperform the 2013 product Bertolina2013 Bert20130601Alphav1.tif
  • Mosaic resolution: better than 0.1 m

(HEMAV will not process the imagery but must provide the necessary intermediate products and camera details)

• Download full resolution image Bert20130601Alphav1.tif

1.1. Flight characteristics and equipment

• Area to be covered 395 m x 280 m (11.6 ha)
  • Shapefile Bertolina AOI prat
• Camera: Sony NEX 7n
• Focal: 18 mm
• Speed: 1000
• Aperture: Automatic
• Ginbal: designed for Sony NEX
• Height: 100 m

1.2 Deliverables by HEMAV

Images and necessary files to create the mosaic using Agisoft PhotoScan

• X images of 130.6 m x 86.7 m and 2.17 cm/pixel resolution
• Overlap among images 80%
• Images of color scales acquired at the begining and end of the campaign
• File 1 with
  • image name
  • time of acquisition
  • X coordinate of image center
  • Y coordinate of image center
  • Z coordinate of image center
  • pitch
  • rol
  • yaw
• FIle 2 of flight parameters (to evaluate flight quality) with
  • time
  • X,Y,Z
  • pitch,yaw,rol
• Calibration file of the camera

1.3 Field work

1.3.1 Ground marks

• 12 ground marks with sub-metric GPS positioning must be visible in the ensemble (ALOBO)
• Color scales HEMAV + ALOBO

1.3.2 Field sampling

Same sites as for Goal 2
Link to Merche