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djellison
Posted on: Apr 27 2005, 07:49 PM


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Tank Tracks would be a nightmare - stuck on rocks, bogging down with dust, nowhere near as much mobility as the rockerbogie

Doug
  Forum: Opportunity · Post Preview: #9508 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 27 2005, 04:30 PM


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Most of us here probably use PTGui, img2png and so on...

well - when I have a sols full of .imgs - I put img2png in it, and a bat file containing..

del *rat*.*
md IMG
move *r1*.IMG IMG
move *r2*.IMG IMG
move *r3*.IMG IMG
move *r4*.IMG IMG
move *r5*.IMG IMG
move *r6*.IMG IMG
move *r7*.IMG IMG
move *r8*.IMG IMG
move *L8*.IMG IMG
img2png *.IMG -r

move *.IMG IMG


Sometimes I have other things in there - like moving other filetypes ( IOsomething is one ) - and sometimes I just MD a thumb folder, and move the processed ones in there afterwards (this is what I do in my huuuge HDD of archived stuff - so I have all the IMG's, and all of them as PNG's, with left in the root, right in a subfolder and thumbs in a sub folder.

I use a photoshop action that takes L257 or whatever, and reduces it to a colour frame on L5 - then I cull the other frames, leaving me with all the colour frames from that sol as PNG's

THEN - I can use autopano.exe /project:ptgui which will create a new pts file for any and all mosaics it recognises

Anyhow - anyone know a way of writing a bat or something - which will go into folder consecutively, and run those bat files? i.e. I've got folders called Sol001 to Sol270 - and I can dump the img2png and my bat file into each - but then I have to go and run it 270 times to get the results - any ideas on shortcuts for that?

Doug
  Forum: Tech, General and Imagery · Post Preview: #9482 · Replies: 5 · Views: 4640

djellison
Posted on: Apr 27 2005, 04:19 PM


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I'd suggest running between dunes as much as posible.

Doug
  Forum: Opportunity · Post Preview: #9481 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 27 2005, 03:51 PM


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The arm was built to carry the instruments, and the instruments only. It doesnt have the power in the motors, or the strength in its structure to lift the rover.

It's not like we're trying to climb up a 40 degree slope here - backing out is a very valid option I'd have thought.

Doug
  Forum: Opportunity · Post Preview: #9475 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 27 2005, 02:33 PM


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You're assuming the clouds would be white.

Why smile.gif

They're very very rarely white here on earth, let alone on mars tongue.gif
  Forum: Spirit · Post Preview: #9469 · Replies: 52 · Views: 49127

djellison
Posted on: Apr 27 2005, 11:18 AM


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Even blind drives still have built in high water mark limits for slope, slippage and motor current etc. I'm suprised that it ploughed on as far as it did - but They'll just back out of it I'm sure - however the challenge is..

why is THIS dune so soft?

is this going to be the behaviour on dunes in the future?

what driving strategies can minimise this?

what are the best slippage, slope and currrent limits to continue driving over this stuff?

I'm sure eng. meetings are taking place almost as we speak to try and sort this out.

Doug
  Forum: Opportunity · Post Preview: #9456 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 26 2005, 02:51 PM


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My boot's firmly in the netlander camp - but it'll be an interesting poll - not had one for a while smile.gif
  Forum: Past and Future · Post Preview: #9415 · Replies: 0 · Views: 2425

djellison
Posted on: Apr 26 2005, 02:50 PM


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I think there were lessons learnt with B2 (no one had tried to build something of that genre before) - and I think those lessons should be used in going for an intermediate step - even if it involves putting Exomars back to '12, '14 - I'm not fussed. I still think that ESA should be attempting a Netlander style mission - infact...it's POLL TIME smile.gif
  Forum: MSL · Post Preview: #9414 · Replies: 35 · Views: 49421

djellison
Posted on: Apr 26 2005, 11:59 AM


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Consider yourselved all firmly bitch-slapped tongue.gif

Doug
  Forum: Manned Spaceflight · Post Preview: #9406 · Replies: 28 · Views: 26564

djellison
Posted on: Apr 26 2005, 10:24 AM


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Ahh yes - a URL might help smile.gif

http://sci.esa.int/science-e/www/object/in...fobjectid=37020

Doug
  Forum: Venus · Post Preview: #9401 · Replies: 5 · Views: 11344

djellison
Posted on: Apr 26 2005, 10:09 AM


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In a list of a few interesting reports - one of an ESA Venus entry probe including a balloon that drops many micro-probes.

Doug
  Forum: Venus · Post Preview: #9398 · Replies: 5 · Views: 11344

djellison
Posted on: Apr 26 2005, 09:43 AM


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I've made all these subforums so the good stuff doesnt get lost in the noise.

USE THEM!

Doug
  Forum: Manned Spaceflight · Post Preview: #9396 · Replies: 28 · Views: 26564

djellison
Posted on: Apr 26 2005, 07:51 AM


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QUOTE (gregp1962 @ Apr 26 2005, 03:56 AM)
It would take NOTHING for someone at JPL to post a few paragraphs per day about that's actually happening with each rover.

FRUSTRATING!!!
*


After 15 months, I'd have thought everyone would have got over the fact that stuff will just appear as and when it does and theres nothing we can really do

Doug
  Forum: Opportunity · Post Preview: #9391 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 25 2005, 03:32 PM


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http://moc.rlproject.com/end_vic_4m.jpg goes some of the way

Doug
  Forum: Opportunity · Post Preview: #9362 · Replies: 159 · Views: 100854

djellison
Posted on: Apr 24 2005, 10:46 PM


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QUOTE (Nirgal @ Apr 24 2005, 09:19 PM)
I especially like the effect of the high "gradiented" sky that makes
the sight of the crater all the more impressive ...
(something we almost never see in the JPL pics)


We never see it because they dont take the pictures smile.gif

Doug
  Forum: Opportunity · Post Preview: #9329 · Replies: 8 · Views: 7161

djellison
Posted on: Apr 24 2005, 05:51 PM


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Thats a little cracker - would make an ace poster ohmy.gif

Doug
  Forum: Opportunity · Post Preview: #9319 · Replies: 8 · Views: 7161

djellison
Posted on: Apr 24 2005, 03:54 PM


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It's feasable, but I'd imagine unlikely that Sojourner is still powering up every morning. Perhaps a brush-off of the solar array and it might work.

Doug
  Forum: Spirit · Post Preview: #9316 · Replies: 46 · Views: 45435

djellison
Posted on: Apr 24 2005, 02:39 PM


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It went VERY well - I'd say about 80 in the auditorium and I've had requests to do a talk in York, and near the Watford Tunnel - and I will be doing a slightly more technical talk for teh BAA Instruments and Imaging Section in May (in Northampton)

smile.gif

Doug
  Forum: Forum News · Post Preview: #9313 · Replies: 8 · Views: 11587

djellison
Posted on: Apr 24 2005, 02:27 PM


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Sojourners batteries gave up after a few weeks and it became a fully solar powered mission.

doug
  Forum: Spirit · Post Preview: #9311 · Replies: 46 · Views: 45435

djellison
Posted on: Apr 22 2005, 02:30 PM


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Right - off to catch a train down there now - if any of you can make it, it'd be great to meet up and have a chat smile.gif

Doug
  Forum: Forum News · Post Preview: #9179 · Replies: 8 · Views: 11587

djellison
Posted on: Apr 22 2005, 09:34 AM


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QUOTE (ObsessedWithWorlds @ Apr 22 2005, 09:27 AM)
QUOTE
I used to have a website about Io until Fortunecity killed it 4 years ago.


You mean this website?
http://members.fortunecity.com/volcanopele/i24.htm
Old bookmarks are Fun. laugh.gif Still the only place I know of with the recontructed Galileo I24 images! Great.

Anyway, back OT. I'm a 27 year old graduate in computer science from the Netherlands and obsessed with space stuff for as long as I can remember, although Voyager's Neptune flyby took care of the 'with worlds' part. tongue.gif
*



You forgot to mention your day job

Transcribing the director reports for us smile.gif

Doug
  Forum: Chit Chat · Post Preview: #9160 · Replies: 182 · Views: 149688

djellison
Posted on: Apr 22 2005, 09:16 AM


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QUOTE (cIclops @ Apr 22 2005, 07:57 AM)
As ESA now has the capability to design, build, launch and operate a Mars rover,
*


We do? Since when ohmy.gif

Before MER - JPL had Viking 1, Viking 2, Pathfinder and Sojourner, and the failed MPL.

We've had Beagle 2.

Something like netlander is, imho a VITAL step towards attempting something like Exomars - if for little reason than to gain experience in operating a spacecraft on mars - and experience and data in the engineering challenges of getting there.

Doug
  Forum: MSL · Post Preview: #9157 · Replies: 35 · Views: 49421

djellison
Posted on: Apr 22 2005, 07:42 AM


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You will smile.gif But not quite yet tongue.gif

A mug is the first on my list - the big pioneer logo with unmannedspaceflight.com underneath smile.gif

Doug
  Forum: Forum News · Post Preview: #9149 · Replies: 6 · Views: 11494

djellison
Posted on: Apr 22 2005, 07:41 AM


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Those are STUNNING!

Doug
  Forum: Spirit · Post Preview: #9148 · Replies: 12 · Views: 16103

djellison
Posted on: Apr 22 2005, 07:39 AM


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I made green by simply have a 50% transparent red image over the blue image. - I used the GIF's most of the time, but where an image was particularly dark, or light, or non-contrasting, I used the IMG instead

Doug
  Forum: Spirit · Post Preview: #9146 · Replies: 12 · Views: 12935

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