Difference between revisions of "August 28, 2010"
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=Multi-Vision= | =Multi-Vision= | ||
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| − | <em>images from [mailto:mauricejscollins@hotmail.com Maurice Collins]</em><br /> | + | <em>images from [mailto:mauricejscollins@hotmail.com" rel="nofollow Maurice Collins]</em><br /> |
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One of the most power techniques of professional planetary scientists is combining different data types into one visualization. <br /> | One of the most power techniques of professional planetary scientists is combining different data types into one visualization. <br /> | ||
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(upper left). To the bottom-left of the crater and to the top-right there are gray smooth-looking patches. In the Clementine image <br /> | (upper left). To the bottom-left of the crater and to the top-right there are gray smooth-looking patches. In the Clementine image <br /> | ||
these look like normal maria, but the radar clearly shows them as brighter, which generally means they have a rougher texture <br /> | these look like normal maria, but the radar clearly shows them as brighter, which generally means they have a rougher texture <br /> | ||
| − | than the other lavas. Lunar Orbiter [http://planetarynames.wr.usgs.gov/images/Lunar/lac_75_lo.pdf images] show nothing unusual about these lavas. It is possible that their unusual physical <br /> | + | than the other lavas. Lunar Orbiter [http://planetarynames.wr.usgs.gov/images/Lunar/lac_75_lo.pdf" rel="nofollow images] show nothing unusual about these lavas. It is possible that their unusual physical <br /> |
character has not been previously noticed - and I am too tired to do a literature search to see if they are known. If they are, I <br /> | character has not been previously noticed - and I am too tired to do a literature search to see if they are known. If they are, I <br /> | ||
assume it would be because of radar images. <br /> | assume it would be because of radar images. <br /> | ||
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| − | <em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /> | + | <em>[mailto:tychocrater@yahoo.com" rel="nofollow Chuck Wood]</em><br /> |
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<strong>Technical Details</strong><br /> | <strong>Technical Details</strong><br /> | ||
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| − | <div>You can support LPOD when you buy any book from Amazon thru [http://www.lpod.org/?page_id=591 LPOD!]<br /> | + | <div>You can support LPOD when you buy any book from Amazon thru [http://www.lpod.org/?page_id=591" rel="nofollow LPOD!]<br /> |
</div> | </div> | ||
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===COMMENTS?=== | ===COMMENTS?=== | ||
Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment. | Click on this icon [[image:PostIcon.jpg]] at the upper right to post a comment. | ||
Revision as of 22:05, 4 January 2015
Multi-Vision
images from " rel="nofollow Maurice Collins
One of the most power techniques of professional planetary scientists is combining different data types into one visualization.
Now, thanks to Jim Mosher's remarkable Lunar Terminator Visualization Tool, amateurs can use the same approach to explore
data sets. Once again Maurice has led the way, creating a new multi-sensor depiction of the Humorum Basin area. The top
image combines Earth-based 70 cm radar, Clementine color and LRO digital terrain model (DTM). To better understand the
contribution of each data set I have placed small versions - in the sequence mentioned - under the composite image. The
contribution of the DTM is easy to spot - it adds shadows and a sense of relief to the other two full Moon views. Disentangling
radar and color requires closer comparisons, and is very worthwhile. The radar is definitely responsible for the bright ejecta
halo surrounding Bullialdus (top right), but both the radar and color appear to contribute to the darkness of pyroclastics and/or
lava in the southwest corner of Humorum and of the lavas just to the west. Surprisingly, the rays of Tycho that pass near Bullialdus
on the Clementine image do not appear on the composite one. I am most fascinated by three areas near the dark-floored Billy
(upper left). To the bottom-left of the crater and to the top-right there are gray smooth-looking patches. In the Clementine image
these look like normal maria, but the radar clearly shows them as brighter, which generally means they have a rougher texture
than the other lavas. Lunar Orbiter " rel="nofollow images show nothing unusual about these lavas. It is possible that their unusual physical
character has not been previously noticed - and I am too tired to do a literature search to see if they are known. If they are, I
assume it would be because of radar images.
" rel="nofollow Chuck Wood
Technical Details
Maurice explains: I combine them in Photoshop CS4 using the radar image as the base image (background), then add the
DEM as a layer using blending mode "overlay", then I add the Clementine color image layer and use "color" as the blending
mode for that layer. All at 100% opacity. The images need slight registering to the radar image, especially the Clem color
as it doesn't overlay exactly, which is why I use LTVT for a best fit.
Related Links
Rükl plate 52
COMMENTS?
Click on this icon File:PostIcon.jpg at the upper right to post a comment.
