Post on 25-Aug-2020
transcript
Developing Space Weather Data Sets for NOAA’s Science On a Sphere®
Derek Young – Bridgewater College
Rodney Viereck – SWPC
Marty Snow – LASP
http://sos.noaa.gov/Showcase/#SOS_Photo_Showcase – Photo by Casey Cass
http://sos.noaa.gov/Showcase/#SOS_Photo_Showcase – Photo provided by NOAA
Current Models of our Sun on SOS®
• http://sos.noaa.gov/videos/nasa_stereo.mov
• http://sos.noaa.gov/Datasets/dataset.php?id=265# • http://sos.noaa.gov/Datasets/dataset.php?id=267#
Current Data Set -‐ STEREO
http://sdo.gsfc.nasa.gov/assets/img/browse/2011/09/
Original SDO/AIA Image – PNG
JPEG 2000 Images
PNG vs. edited JPEG2000
First Edit – Original Method
First Edit – Second Method
Solarsoft
• Why didn’t we use it?
Ugly Righ
t
Good
Bad Righ
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Bad Le
ft
Ugly Le
ft
Good Ba
d Righ
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Bad Le
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Good
Bad Righ
t
Bad Le
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Good
Ove
rlap = Ba
d Righ
t +
Left
Mak
e ov
erlap
Good
Ove
rlap
Good
Ove
rlap
Good
Ove
rlap
Select “good” + “overlap”
4096 Pixels
1365 Pixels
Second Edit – Original Method
The Blending Process
Image 1 Image 2 Image 1 Image 2 O
verlap
Overlap
0.9 * Image 1 0.1 * Image 2
0.5 * Image 1 0.5 * Image 2
0.1 * Image 1 0.9 * Image 2
Second Edit – Original Method
Image 1
Bad Righ
t
Bad Le
ft
Image 2
Bad Righ
t
Bad Le
ft
Image 3
Bad Righ
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Bad Le
ft
Image 4
Bad Righ
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Bad Le
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1000 Pixel Blend 1000 Pixel Blend 1000 Pixel Blend
1) Clipped from 1,000:10,132 2) Resized to 4096 x 2048
4044 pixels
Image 1
Bad Righ
t
Image 2
Bad Righ
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Ove
rlap
Image 3
Ove
rlap
Ove
rlap
Image ready to be mapped onto SOS®
Sec0nd Edit – Second Method
Second Edit – Second Method Step 1
Second Edit – Second Method Step 2
193 A 304 A
Images mapped onto a Sphere
First Working Sequence(LIGHT) – September 14th to September 24th , 2011 193 A
Movie Sequence (Darker) – September 5th to September 9th, 2011 193 A
Sequences on the Sphere!
• Show Videos!
Acknowledgements
• Rodney Viereck • Marty Snow
• Erin Wood • LASP • NOAA/SWPC