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Updated Titan Map
JohnVV
post Apr 3 2013, 10:30 PM
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a quick run through isis3's "dstripe"
just a first guess , and still needs a bit of work

a crop of
http://pirlwww.lpl.arizona.edu/~perry/RADA...T059S01_V02.jpg
without denoising first , "dstripe" tacks care of most of that

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for that i tend to use gmic
CODE
gmic BIUQH67S152_D201_T059S01_V02.jpg -type float  -remove_hotpixels 2,1.0% -type uchar -o BIUQH67S152_D201_T059S01_V02.Less.Noise.png


that line removes most of the " salt&pepper "
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titanicrivers
post Apr 5 2013, 03:37 PM
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Much thanks JohnVV for above. Have used your image to modify my T59 snippet map on the previous page. Must confess I am a Windows user and not familiar with isis. Is there a destripe type plugin for ImageJ?
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machi
post Jan 28 2016, 06:39 PM
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Preliminary global map of Titan. Version 0.2.0.
Informations are directly in the map and on Flickr page.



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JRehling
post Jan 28 2016, 07:37 PM
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Beautiful work, Machi! It's a challenge to get the very low-res topographical data merged with the albedo map, but your result is thought-provoking. With my Titan map/globe, I skipped the topographical data to focus on the color, but the topography is definitely worthwhile as well. With better data, a map could provide all three, but low-res topography doesn't lend itself, I guess, to being demonstrated through shading.
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Phil Stooke
post Jan 28 2016, 07:51 PM
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Yes! All your maps are really nice, and this superb combination of datasets is very useful, especially since there really is nothing else like it.

Phil



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... because the Solar System ain't gonna map itself.

Also to be found posting similar content on https://mastodon.social/@PhilStooke
NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain)
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machi
post Jan 28 2016, 08:34 PM
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Thanks Phil!

QUOTE (JRehling @ Jan 28 2016, 08:37 PM) *
Beautiful work, Machi! It's a challenge to get the very low-res topographical data merged with the albedo map, but your result is thought-provoking. With my Titan map/globe, I skipped the topographical data to focus on the color, but the topography is definitely worthwhile as well. With better data, a map could provide all three, but low-res topography doesn't lend itself, I guess, to being demonstrated through shading.


Yes, merging elevation data with SAR/ISS map was maybe the most difficult part. Elevation data have very low resolution (1 or 2 pixels per degree) so topography shading is effectively impossible. So this isn't topographic map, it's SAR/ISS map with overlaying low-res elevation data (BTW, the same data which Ralph Lorenz used in his first ever topographic map of Titan). I also wanted to include VIMS data as in your very nice map but there isn't yet VIMS map with quality which I need.


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Ian R
post Jan 28 2016, 09:31 PM
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Great map Daniel! I'm only browsing on a mobile device, but even so, the quality and sheer level of detail are clearly evident.


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Decepticon
post Feb 28 2016, 09:54 PM
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Do those maps contain SAR radar data after June 7, 2012?


I have seen no Full swaths released after that date.
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ngunn
post Feb 28 2016, 10:31 PM
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I've noticed that as well. I check Jason Perry's SAR site from time to time but the flow of new data appears to have stopped.
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Ian R
post Feb 29 2016, 07:14 AM
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This USGS mosaic contains all radar swathes up to and including the August 2014 T-104 data return:

http://astrogeology.usgs.gov/search/detail...n180_128ppd/cub

I used this mosaic and combined part of it with a cleaned and de-seamed and colorized ISS mosaic to produce this dynamic view of Adiri:


Adiri — Mountainous Plateau of Titan
by Ian Regan, on Flickr


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Ian R
post Feb 29 2016, 07:17 AM
Post #206


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A list of the recent radar returns:

QUOTE
_________________________________________

T-83
--- Sequence S73, May 21, 2012
http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0239/EXTRAS/
_________________________________________

T-84
--- Sequence S73, Jun 06, 2012

http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0240/EXTRAS/
___________________________________________

T-86
--- Seq S75, Sep 26, 2012
_________________________________________

T-91
--- Seq S78, May 23, 2013

http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0248/EXTRAS/
_________________________________________

T-92
--- Seq S79, July 10, 2013

http://pds-imaging.jpl.nasa.gov/data/cassi...er/CORADR_0250/
_________________________________________

T-95
--- Seq S80,Oct 13, 2013

http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0253/EXTRAS/
_________________________________________

T-98
--- Seq S82, Feb 02, 2014 (redelivery)

http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0257/EXTRAS/
_________________________________________

T-104
--- Seq S85,Aug 21, 2014

http://pds-imaging.jpl.nasa.gov/data/cassi...DR_0261/EXTRAS/


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volcanopele
post Feb 29 2016, 07:59 PM
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QUOTE (ngunn @ Feb 28 2016, 03:31 PM) *
I've noticed that as well. I check Jason Perry's SAR site from time to time but the flow of new data appears to have stopped.

Yeah, I haven't been keeping it up, mostly because the RADAR team now includes JPG versions of the SAR swaths in the Extras section of their PDS releases, as Ian R links to.


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The Gish Bar Times - A Blog all about Jupiter's Moon Io
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craigmcg
post Mar 31 2016, 02:00 PM
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Here's a nice summary map that just came out:



Link to page: http://photojournal.jpl.nasa.gov/catalog/PIA20022
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Juramike
post Apr 1 2016, 02:43 AM
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Those are images, not maps. Maps are derived products from data such as this.
Just quibbling a bit....


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Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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stevesliva
post Apr 1 2016, 05:02 AM
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QUOTE (Juramike @ Mar 31 2016, 10:43 PM) *
Those are images, not maps. Maps are derived products from data such as this.
Just quibbling a bit....


But they're composited -- what steps that up to a map?
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