Block 7 - Clean V0
Use typical setup for this but the process portion needs more explanation.
Description
This block is used to complete all of the stages. This block does not follow a set of steps. Instead, to complete Block 7, you need to assure that the data have achieved certain states. To achieve these states, you may need to run additional iterations, return to earlier Blocks, or make other adjustments.
Assumptions
- You have invoked a Bourne-Again Shell (bash) on ormacsrv1.lpl.arizona.edu
- You are a member of the group OREX\spc
- You have set up a skeleton directory in the following format:
/SPC_Test/F3G-Nav/ ORex/ DATA/ base/ IMAGEFILES/ SHAPEFILES/ lsupport/ orig/ results/ test/
User inputs
testID - Name of the F3 test directory (for example, 'F3E-Limbs')
blockID - User-specified identifier for typescript textfile name (for example, 'Block-01-01-TestDirSetUp-Orig')
stuff from Eric to fill in here about states
Standard Process of States
These are the states that a DTM goes through on its way to being perfected for a specific resolution. Each state description below defines the quality of processing that has gone on. It does not describe all the steps that you may need to take to achieve that quality. You may need to do many steps multiple times (such as building and loading an updated shape model). Errors and problems in the data will determine the steps and processes you will follow to achieve the state.
Tiled
Tiled means that the DTM has undergone the basic stages of Lat/Lon Tiling (Block 6A) or Bigmap Tiling (Block 6B). This state does not require any additional processing, just the batch mode.
=== Correlated === Correlated means that all the landmarks indicate a correlation score above 0.0000. They do not throw the "*" error for find_nofitP.
Imaged
Imaged means that there are at least 5 images for every landmark. While 3 is the minimum, 5 images are needed to have a robust DTM that accounts for error. If there are not 5, then 4 or 3 are acceptable; however, the number of images can never be less than 3.
=== Fitted === Fitted means that there are no maplets with more than 10 "no fit errors". No Fit errors are thrown when overlaps is unable to match two maplets that should overlap. This error indicates that there are too many differences between the two maplets for SPC to find common ground. It is common for a few maplets to be missing one or two of their connections with other maplets. Should we add a line reiterating never more than 10? Or explain how allowable 8 is or something??
=== Geometry ===
Geometry means that you have run the program geometry with option 2 to update the spacecraft position and camera vector. I need help on this. You should iterate at least once after.
Residualed
Residualed means that errors thrown by residuals marked by ">>" have been corrected. Typically, you will run geometry with option 2 before running residuals. The standard input for this level is:
5 5x GSD GSD
You may choose looser values to get a smaller list first.
I need help here.
- 5 pixels -- image (or maplet) pixels. How close they are. 5x GSD, ground sample distance, 5 times the resolution of the maplets. GSD, ground sample distance
Re-tiled
Re-tiled means that any holes in the DTM have been filled in. For the global scale, use coverage and look for where the missing maplets are. You can also use ZMaps if it's available. For local scale, build a bigmap and look for regions where the maplets were deleted. You can build the missing ones by hand, or you can run the Bigmap Tiling (Block 6B) procedure.
Sigma'ed
Sigma'ed means that a DTM created by densify or bigmap have sigma values in SIGMAS.TXT showing all peaks reduced to < 2xGSD and the average is <GSD of the smallest maplet.
will the above read better/process easier if I write out in words?
Advanced States
In some instances, you need to assure that the DTM achieves these additional, advanced state.
Re-imaged
Re-imaged means that you have added images to get as many as possible, doing the processing by hand as needed. Adding more images reduces the amount of error in the model, so adding more images will make the model better.
Image geometry
Image geometry means that you have completed an evaluation of all images such that each one has at least 4 landmarks defined to set the spacecraft position/pointing.
Re-Residualed
Re-Residualed means that you have used tighter limits for anything that throws an error. Typically, you do this using these inputs:
I created this from notes--check to make sure it's accurate.
2, 2xGSD, GSD
2 - image (or maplet) pixels. Sets how close they are.
2x GSD - ground sample distance. Use 2 times the resolution of the maplets.
GSD - ground sample distance. The resolution of the maplets.