Cape York - Shoemaker Ridge and the NE traverse, Starting sol 2735 |
Cape York - Shoemaker Ridge and the NE traverse, Starting sol 2735 |
Oct 4 2011, 12:20 PM
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
Oppy's next destination - the Shoemaker Ridge...
(3D version here http://roadtoendeavour.files.wordpress.com/2011/10/sr-3d.jpg ) Some more height...surrounded by lots of gorgeous rocks...view right across Endeavour... our first view too, probably, of the Promised Land in the centre of Cape York where the phylosillicates are waiting to be found... Go get 'em, Oppy! Edit: looks like Oppy's on the move... http://qt.exploratorium.edu/mars/opportuni...84P1211L0M1.JPG -------------------- |
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Oct 27 2011, 10:29 AM
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Member Group: Members Posts: 593 Joined: 20-April 05 Member No.: 279 |
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! |
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Oct 27 2011, 03:06 PM
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Member Group: Members Posts: 267 Joined: 5-February 06 Member No.: 675 |
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 |
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