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jamescanvin
Posted on: May 19 2006, 04:00 AM


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Where's Tesheiner? Normally the map's updated before I've even realised a drive has happened. smile.gif

We had one tosol (823), a big one!

I don't know the exact figure as we had a site change (70 -> 71) but at the time of the change (very near - EDIT: about 1m from the end of the drive) we had 71m on the clock!

James
  Forum: Opportunity · Post Preview: #54840 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 19 2006, 01:43 AM


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QUOTE (Tesheiner @ May 19 2006, 12:47 AM) *
Those 15.8412º are exactly 0.27mrad (ifov) x 1024; interesting.


That is interesting, being in the PDS headers...

I still beleve the 16.0 figure in Bell et al. 2003 is accurate though. I have made two 360 degree panoramas and in both cases I optimised for the fov: 15.9687 and 16.0816. A change to 15.84 would lead to ~3 degrees difference over 360 degrees, ~7 pixels per image, seriously messing with the stitch quality. 16.8 would be much worse of course.

Still, a good question for Jim Bell, get this cleared up once and for all. pancam.gif

Back on topic, I've been sitting on the fence across Victoria for too long...

I'm going to join the nearside team.

James
  Forum: Opportunity · Post Preview: #54827 · Replies: 778 · Views: 414939

jamescanvin
Posted on: May 18 2006, 07:22 AM


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Just noticed that I've been getting errors when MMB checks for JPL images.

On the auto update.

CODE
Updating http://marsrovers.jpl.nasa.gov/gallery/all/opportunity.html... ERROR checking JPL: midnightmarsbrowser.InvalidDownloadException: Content length not available (-1)


And when I select the 'Update Latest Images From JPL' option.

CODE
UpdatingOpportunity raw images from JPL
Updating http://marsrovers.jpl.nasa.gov/gallery/all/opportunity.html... midnightmarsbrowser.InvalidDownloadException: Content length not available (-1)
    at midnightmarsbrowser.Update.updateFileFromURL(Update.java:3746)
    at midnightmarsbrowser.Update.smartUpdateRawImagesFromJPL(Update.java:3338)
    at midnightmarsbrowser.Update.doUpdate(Update.java:920)
    at midnightmarsbrowser.Update.run(Update.java:763)
    at java.lang.Thread.run(Thread.java:613)


However it seems to work when I select 'Advanced Update Images...' - Update from JPL.


Michael?
  Forum: Tech, General and Imagery · Post Preview: #54644 · Replies: 945 · Views: 730015

jamescanvin
Posted on: May 15 2006, 10:18 PM


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QUOTE (djellison @ May 16 2006, 05:07 AM) *
Everything else about the rovers is identical.


Well, nearly. wink.gif

I'm surprised you didn't pick this one up Doug, it's only been photographed about a million times! tongue.gif

Magnet next to the cal target has a different orientation.



James
  Forum: Spirit · Post Preview: #54259 · Replies: 111 · Views: 125779

jamescanvin
Posted on: May 15 2006, 06:37 AM


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Here is the version with the missing data filled in.



And quite a big download of colour as well over the weekend.



This is just a quick taster, I need to think a lot more about full (L234567) colour generation in the near future.


James
  Forum: Spirit · Post Preview: #54165 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 15 2006, 12:58 AM


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QUOTE (sattrackpro @ May 14 2006, 11:02 PM) *
James, do you think they will back-fill the many lost segments of recent photos?


Of course, it's already been done. smile.gif Although for the bit missing in the lower right, the stamp on the tracking site shows it's been completed but for some reason the new version hasn't been propagated to the Exploratorium or JPL sites. We had the same problem at Gibson, I may have to fill that region with the lower res stamp for now.

QUOTE (sattrackpro @ May 14 2006, 11:02 PM) *
And, what do you think is causing the increase in the number of incomplete images?


I'm not sure there is an increase, especially if you look back over the whole mission, things were a lot worse back in the early days IIRC. There have always been dropouts like this, don't worry! smile.gif

James
  Forum: Spirit · Post Preview: #54145 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 13 2006, 05:01 AM


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QUOTE (Bob Shaw @ May 13 2006, 03:58 AM) *
True - but any discussion that encourages them guys of the panoramic persuasion to get out and create more beautiful panoramas as seen from this very spot is well worth suffering through!


Here's the latest L7 then...



No full res version again, but if there was, then at 150dpi it'd be 2.1m x 85cm smile.gif

James
  Forum: Spirit · Post Preview: #54005 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 11 2006, 11:52 PM


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The bones could be an interesting target. wink.gif

Good spot for the usual weekend stop, I'd be surprised if it was any longer.

James
  Forum: Opportunity · Post Preview: #53812 · Replies: 1472 · Views: 708277

jamescanvin
Posted on: May 11 2006, 05:06 AM


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It's going to take an awfully long time for a rock the size of Veus to cool enough to freeze CO2 I would imagine.

I remember reading (a long time ago) of another idea, that would have split the CO2 atmosphere into an O2 one with a lot (and I mean a lot) of carbon dust coving the surface, although quite how that helps matters I can't remember! blink.gif

But anyway, why get rid of the atmosphere when it provides such a nice habitat at 50km... smile.gif

http://powerweb.grc.nasa.gov/pvsee/publica...ony_STAIF03.pdf

James
  Forum: Venus · Post Preview: #53681 · Replies: 75 · Views: 116838

jamescanvin
Posted on: May 10 2006, 07:07 AM


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I am *so* going to have to come and have that tour of cdscc!

Thanks for the pics Astro0.

James
  Forum: Spirit · Post Preview: #53506 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 9 2006, 10:51 PM


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QUOTE (Tesheiner @ May 10 2006, 06:06 AM) *
Ok, if I got that data correctly this is the new position after tosol drive.


Looks good to me, that's exactly the position I get from the tracking data.

james
  Forum: Opportunity · Post Preview: #53466 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 6 2006, 05:52 AM


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Orville
  Forum: MSL · Post Preview: #53015 · Replies: 114 · Views: 89121

jamescanvin
Posted on: May 6 2006, 05:39 AM


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QUOTE (Phil Stooke @ May 6 2006, 09:48 AM) *
My, those Huguenots got around, didn't they?


Yup. Small world, the Canvins were Huguenots too. We headed of to England when things got ugly, but are now scattered all over the globe as well.

Canvin is thought to derive from the french "champs de vin" = "fields of wine", which I think explains a lot! smile.gif wink.gif

James
  Forum: Chit Chat · Post Preview: #53014 · Replies: 22 · Views: 20797

jamescanvin
Posted on: May 4 2006, 09:27 PM


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QUOTE (Tesheiner @ May 4 2006, 06:22 PM) *
James, Thanks a *lot* for keeping the route map up to date.


No problem, the least I could do.

Thank *you* for keeping it up to date for every other sol!

Welcome back,

James
  Forum: Opportunity · Post Preview: #52815 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 4 2006, 06:04 AM


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I've added another column to the L7 pan (that makes 8, 1/3 of the way there!) and redone the 14 frame full colour one (no missing sections and better colour)

I won't bother putting the thumbnails in this time, save a bit of bandwidth.

See my website.

James
  Forum: Spirit · Post Preview: #52680 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 4 2006, 02:54 AM


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QUOTE (Rem31 @ May 4 2006, 12:10 PM) *
And what is the magnitude of a full moon in a clear night sky?


-12.7 (from google)

QUOTE (Rem31 @ May 4 2006, 12:10 PM) *
And what is the magnitude of the Sun as seen from Sedna at aphelion


~ -11.8 According to Celestia

QUOTE (Rem31 @ May 4 2006, 12:10 PM) *
and at Pluto?


~ -18.3 Celestia again.

James
  Forum: Pluto / KBO · Post Preview: #52670 · Replies: 12 · Views: 20166

jamescanvin
Posted on: May 4 2006, 01:32 AM


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Halfway from where?

Roughly looking at the map I think were pretty much halfway between Payson and 'Corner Crater' already, pretty good progress! At this rate we should be on the apron by sol 870ish by my reckoning.

Not looking good for my Victoria prediction, here's hoping that Corner Crater is be interesting enough for a primary mission length stop! wink.gif

James
  Forum: Opportunity · Post Preview: #52663 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 3 2006, 09:43 PM


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And again for Sol 808

Attached Image


James
  Forum: Opportunity · Post Preview: #52644 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 3 2006, 04:36 AM


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Nice. smile.gif

Makes a lot of sense, thanks.

'Corner Crater' is starting to look interesting I hope we end up passing nearby.

James
  Forum: Opportunity · Post Preview: #52571 · Replies: 778 · Views: 414939

jamescanvin
Posted on: May 2 2006, 09:48 PM


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Here is my estimate of Oppys position for sol 807 based on the pancam tracking data.

Attached Image


James
  Forum: Opportunity · Post Preview: #52551 · Replies: 3597 · Views: 3531676

jamescanvin
Posted on: May 2 2006, 06:31 AM


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And here is a rough version of the 14 frames that are down (nearly) completely in L234567:



Again, half & quarter resolution versions on my website (click image)

This is the first time i've used the full L234567 and I've essentially mixed different filters to get RGB in a pretty random way (a little of this, a bit more of that). If anyone has any better idea of approximately what proportions of each I should be using, I'd love to here it.

Cheers,

James
  Forum: Spirit · Post Preview: #52470 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 2 2006, 05:05 AM


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I've started to work on the McMurdo pan...

Here are the 28 pointings (7 columns) taken so far (upto tosol, 827) in L7.



Half & quarter resolution versions on my website (click image)

James
  Forum: Spirit · Post Preview: #52462 · Replies: 603 · Views: 379795

jamescanvin
Posted on: May 2 2006, 04:24 AM


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Back on the road tosol...

CODE
807 p0695.03 10  0   0   10  0   20   navcam_5x1_az_162_3_bpp
807 p1151.04 2   0   0   2   0   4    front_hazcam_idd_unstow_doc
807 p1205.06 2   0   0   2   0   4    front_haz_penultimate_0.5_bpp_pri17
807 p1211.03 2   0   0   2   0   4    ultimate_front_haz_1_bpp_pri_15
807 p1275.01 2   0   0   2   0   4    front_hazcam_0.5bpp_pri_41
807 p1305.05 2   0   0   2   0   4    rear_haz_penultimate_0.5bpp_pri17
807 p1311.07 2   0   0   2   0   4    rear_haz_ultimate_1_bpp_crit15
807 p1375.01 2   0   0   2   0   4    rear_hazcam_0.5bpp_pri_41
807 p1585.00 4   0   4   0   0   8    navcam_cloud_4x1_dwnsmp_RVRAz_calstart
807 p2111.05 13  13  0   0   2   28   pancam_cal_targ_L234567Rall
807 p2401.07 8   0   0   8   2   18   pancam_drive_direction_4x1_L2R2
807 p2587.15 2   2   0   0   2   6    pancam_FortBelknap_L2R2
807 p2588.15 13  13  0   0   2   28   pancam_Brookville_L234567Rall
  Forum: Opportunity · Post Preview: #52460 · Replies: 1472 · Views: 708277

jamescanvin
Posted on: Apr 28 2006, 11:48 PM


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Congrats Emily!

And congrats to everyone for making this another classic thread. UMSF humor, you've gotta love it!

James
  Forum: Chit Chat · Post Preview: #52275 · Replies: 102 · Views: 82784

jamescanvin
Posted on: Apr 28 2006, 04:02 AM


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OK i've done a bit more work on this.

Attached is an overlay of all the locations listed on the tracking site on Tesheiner's route map back to sol 775 - this covers 3 'sites' 67, 68 & 69 which are added and matched to the map seperately (it's not one continuous line) there are a couple of interesting things to note:

1) The fit to Tesheiner's route line is very good showing what we already new - what a great job he's doing smile.gif
I find it incredibly hard looking at all these outcrops and trying to figure out whats going on!

2) For two of the three 'sites' I had to rotate my route by around 3 degrees to get it to match with Tesheiner's map following the ground features (I'm not sure about the third). This got me thinking, MGS's orbit is inclided at about 93 degrees and so when crossing the equator at Meridiani will be traveling at 3 degrees from north/south and as it uses a 'brush broom' camera this will be the orientation of the image pixels.

My question is, has that been accounted for on this map, or is north really 3 degrees away from 'up'? Which would make a lot of sense compared to what i'm getting from the data tracking data!

James
  Forum: Opportunity · Post Preview: #52146 · Replies: 3597 · Views: 3531676

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