= Spacecraft Zenith Variations =

== Aim and Objectives ==

'''Purpose of test:''' .

'''Additional Objectives''' 
 * .

== Methodology ==

'''Data'''
 * Data was generated by .
 * Location and parameters for evaluation area.  
 * Image Suite: Image resolutions: 50cm, 20cm, 10cm, 5cm.
  * emission
    * .
  * incidence
    * .
    * .

|| Name || Sun || S/C Az || S/C Zenith ||
|| Test11S || 45, 0, -45 || every 45 || 0, 30, 60 || ||
|| Test11T || 45, 0, -45 || every 45 || 0, 20, 40, 60, 80 || ||
|| Test11U || 45, 0, -45 || every 45 || 0, 14, 30, 45, 60, 75 || ||


Spacecraft:

{{attachment:SC_perfectF2_POLARS.jpg||width=300}}

Sun:

{{attachment:SUN_perfectF2_POLARS.jpg||width=300}}

'''Bigmaps'''

The following TAG1 bigmaps were tiled/iterated and evaluated:

Starting topography defined from: ?

||Step||GSD||Overlap Ratio||Q Size||Width||
||35cm-Tiling||
||18cm-Tiling||
||9cm-Tiling||
||5cm-Tiling||


'''Iteration Parameters'''

Reset albedo/slopes: ?YES

Calculate Central Vector: ?YES

Differential Stereo: ?YES

Shadows: ?NO

== Results ==

[[Test11STU Comparative Results]]

[[Test11S Results]]

[[Test11T Results]]

[[Test11U Results]]


== Discussion ==

The measures of accuracy are plotted for each test in figures ?? to ?? under Tables and Figures (below).

'''Figure 1: Minima'''

{{attachment:Minima-resized.png}}

Figure 1 illustrates the minimum uncertainty and RMSs for each test, and at which iteration each minimum occurs. The following patterns are apparent:
 * Test U achieves the minimum value for every measure in the least number of iterations: 5 to 15 iterations sooner than Test T; and 15 to 20 iterations sooner than Test S (excluding Test S - CompMapVec RMS).
 * Test S consistently gives the largest RMS but the smallest formal uncertainty.
 * CompareOBJ RMS (with and without optimal translation and rotation varies across tests by less than 0.2cm, although Test U consistently archives the minimum RMS in significantly fewer iterations.

== Tables and Figures ==

'''Formal Uncertainty'''

{{attachment:FormalUncertainty-resized.png}}

'''CompMapVec RMS'''

{{attachment:CompMapVec-resized.png}}

'''CompareOBJ RMS'''

{{attachment:CompareOBJRMS-resized.png}}

'''CompareOBJ With Opt Tran & Rot'''

{{attachment:CompOBJwOptTranRot-resized.png}}

'''Traces Running North_South'''

{{attachment:transitIt20200.png}}
{{attachment:transitIt40200.png}}

'''Traces Running West-East'''

{{attachment:transposedTransitIt20200.png}}
{{attachment:transposedTransitIt40200.png}}

'''Heat Plots'''

{{attachment:heatPlot-T11RFS-05stepB020-1cm-4m.png}}
{{attachment:heatPlot-T11RFT-05stepB020-1cm-4m.png}}
{{attachment:heatPlot-T11RFU-05stepB020-1cm-4m.png}}

{{attachment:heatPlot-T11RFS-05stepB040-1cm-4m.png}}
{{attachment:heatPlot-T11RFT-05stepB040-1cm-4m.png}}
{{attachment:heatPlot-T11RFU-05stepB040-1cm-4m.png}}