Cape York - Shoemaker Ridge and the NE traverse, Starting sol 2735 Options

[Jam Butty]

But I use stereophoto maker (for viewing and creating my anaglyphs).

Thanks for the link,
that's a great bit of software.

[Bill Harris]

There are now images of the following sites on Shoemaker Ridge at my photo website (URL in signature):

Sol-
02749 p2414 Onverwacht
02753 p2418 Havelock
02751 p2560. Hooggenoeg
02751 p2561 Tjakastad
02753 p2564 Fairview

current pancam_foreground_quarter images

--Bill

[Gladstoner]

.

[walfy]

...but it is more natural than the brutal cross-eyed method.

Totally agree. The parallel method might take a little more practice, but it's pure relaxation compared to the cross-eyed method!

[atomoid]

thanks, i tried and got it to work (yes, by *not* trying as Alan Watts would say), and is far easier on the eyes!
The only drawback is that i cant make the image pair much larger than the natural distance beteen my eyes as measured across the computer screen, but for smaller sizes it works great. thanks again for the tip!

For anyone who wants to get started here are some tips:
1) Try this image pair in the post by mhoward.
2) shrink the resltant window to about half size or smaller, the smaller the easier it is get inital focus.
3) look in a very relaxed way at the center so that in this example the white rock in the bottom of the two images suddenly 'snap' together as one, then hold the line!
4) gradually drag the window size larger as large as possible, eventually the stereo effect deteriorates and you lose focus as the distance beteen the focal point for each eye one the screen starts to exceed your interocular distance.

As a bonus, you can also parellelify anaglyphs using the excellent Stereo Photo Maker previously referred to.
Take some of the fine anaglyphs generous folks have posted to UMSF such as Walfy's oppy trails and open as anaglyph, then change to side by side and swap sides, shrink and view!

[PDP8E]

This is one of the best NavCam shots ever taken by Oppy (... IMHO ... )

Sol 2756. Its a little after 2 o'clock in the afternoon on a far away planet

http://qt.exploratorium.edu/mars/opportuni...V5P1897L0M1.JPG

[walfy]

...one of the best NavCam shots ever taken by Oppy...

Here's a slice of that shot for viewing in parallel, not cross-eyed. It's narrow so it can be viewed without special equipment. Still not as spectacular as the original. Unfortunately, this method for 3D viewing without equipment is limited to narrow slices of images in the vertical. It still can be lots of fun.

[pgrindrod]

I've been meaning to do this for a while, but was inspired by being lucky enough to meet Jim Bell this week, and look at some recent anaglyphs with him. So, here's my take on the topography of Cape York from my HiRISE DEM (still getting some mileage out of this thing!), showing the slope and the aspect.



So because Oppy needs a north-facing slope, you can really see here why they're heading towards the top of Cape York. I'm sure others can pick out some of the possible best areas better than my jetlag will allow.

Pete

[CosmicRocker]

Very nice. Thank you.

[AndyG]

Love that data, Pete.

Is there any chance you could combine the slope and aspect results?

Maybe run this:

angle = ACOS((sin(slope)*cos(aspect)*sin(sol))+(cos(slope)*cos(sol)))

Where:
slope is measured in radians
aspect in radians from north, going clockwise
sol is 0.576 in radians (90-57 degrees, from the axial tilt and rover latitude)

...to produce a range of angles from 0 to PI to determine the best (angle = 0) attitude for the rover's panels based on slope and aspect for the midwinter noon.

Andy

EDIT: sol is 0.471 in radians (27 degrees - being the winter axial tilt and rover's latitude of 2 degrees south). Thanks Fred!

[ngunn]

Great maps! I'm a little puzzled by the slope one though. It seems to show no areas with 0-5 degrees slope, whereas there must be such places, e.g. on the summit of CY and on the saddle joining it to the plains. Is the colour key all shifted by one colour perhaps?

[pgrindrod]

Ah, the perils of posting on UMSF when jetlagged - there are lots of eagle-eyed people out there! Thanks for spotting that mistake on the slope map label, I made it myself and got my numbers wrong, apologies. There are of course quite a few slopes that are between 0 and 5 degrees. It should be something more like this:



Combining the slope and aspect is a great idea, and I'll give it a go when I get chance.
Pete

[Stu]

"New Consort"...



I love staring into these surface close-up images and picking out all the different shaped/hued chips and shards of stone...

[SteveM]

Love that data, Pete.

Is there any chance you could combine the slope and aspect results?

Second Andy's thanks for the excellent presentation, but agree with him on the desirability of combining slope and aspect data.

My choice would be to keep your hue based aspect information, but encode the slope as saturation, with increasing slope indicated by increased saturation. It would provide a fairly intuitive presentation.

Can anyone suggest an easy way to do that?

SteveM

[mhoward]

Sol 2756 360x90 Navcam panorama

left right anaglyph