DQRID : D130604.1
Start DateStart TimeEnd DateEnd Time
03/20/2013110205/30/20130430
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Subject:
TWP/TSI/C2 - Shadowband misalignment
DataStreams:twptsiskycoverC2.a1
Description:
The shadowband was not masking the sun at the beginning and ending of each day since the 
vernal equinox because the camera was misaligned with the window. 

The camera lens was re-aligned with the viewing port and the camera enclosure was centered 
on the mirror.
Suggestions: 
Measurements:twptsiskycoverC2.a1:
  • Percent opaque cloud(percent.opaque)
  • Pixel count: number total in sun circle(region.sun.count)
  • Pixel count: number total thin(count.thin)
  • Pixel count: number total between horizon and processed circle(count.sub.proczen)
  • Pixel count: number total opaque(count.opaque)
  • Pixel count: number opaque in sun circle(region.sun.count.opaque)
  • Pixel count: number total in horizon area(region.horizon.count)
  • Pixel count: number opaque in horizon area(region.horizon.count.opaque)
  • Pixel count: number below horizon in image(count.sub.horz)
  • Pixel count: number thin in horizon area(region.horizon.count.thin)
  • Pixel count: box, outside mirror area(count.box)
  • Pixel count: camera and sun strip mask(count.mask)
  • Pixel count: number thin in sun circle(region.sun.count.thin)
  • Percentage thin cloud(percent.thin)
  • Pixel count: number total in processed circle(count.sky)
  • Pixel count: number total indeterminant(count.unknown)
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