• Questions_to_ask

Questions to ask here

• The codes for residuals, mapinfo, picinfo
• Does having landmarks with only 1 or no images mess things up?
• Bigmap - what does Map overlap mean
• No fit. Below height correlation limit
• How does different resolution work into the solution
  • Residuals
  • Bigmap
  • Geometry

PICINFO

• Col1 - Image name
• Col2 - Date image was taken, UTC(derived from GPS)
• Col3 - resolution
• Col4 - number of landmarks
• Col5 - number of limbs
• Col 6 -
  • The number is greater than piclimit (the 2.5) c coordinate system, using the body fixed system b using body fixed system, but using crosstrack radial (in orbit) "*" 3 or fewer landmarks for the image
• Col 7 - Pixel residual (RMS in pixels)
• Bottom of file, gives the resolution of the images (# of)

MAPINFO

• col 1 landmark name
• col 2 landmark resolution
• col 3-5 lat, lon, radius
• col 6 num of images
• col 7 num of overlaps
• col 8 num of limbs
• col 9 formal uncertainty in meters of the landmark position
• col 10 Flag

  • ">>" Usually ignore (shown by limits set when you run residuals) Things you might want to look at "**" Fewer than 3 images

• col 11 Residual in meters of the nominals and position

done

• What is the math for the resolution and scale parameters.
  • -- 50 meters + 25% -- The footprint width of the XXXXXX.IN files is resolution * #pixels * 360 / (2 Pi cos (latitude) Radius )
• How do I increase the resolution of a big map (aka do more processing), especially how to remove bands
  • -- fill, does better resolution -- Notes in Dropbox/Avatars -- make a big map, take all maplets that are enclosed (inside.txt) replace all of their height info from bigmap. Then take all of the maps (usedmaps.txt), then do a complete iteration.
• Have you uploaded the LAMO images yet?
• Can you upload your new maplets/landmarks (via rsync if possible)
• Any more work on Tislovsky? (better than 5 meter)
• What is a good way to output a DEM in the form of a DEM (png, binary, ascii)

1/64th works out into 68 meters and higher at higher latitudes S. Pole map is at 25 meter resolution

SpheremapB - DTEM and shaded relief -- raw and pgm, 16bit unsigned short (which is in the header) -- takes bigmaps and makes a large map (either orthograthic, stereo, equrect)

• option C, equatrangular

mGrav - makes elevation map relative to gravity

• slope, gravity, acceleration, elevation