DQ Flags
Jane Morrison edited this page Jun 10, 2019
·
22 revisions
| Step | DQ Flag read from Reference File | DQ flag used that was set in a previous step | DQ flag set |
|---|---|---|---|
| DQ Init | All Flags set in Mask Ref File | NA | pixeldq: DO_NOT_USE, REFERENCE_PIXEL, HOT, DEAD, RC, WARM, TELEGRAPH, UNRELIALBE_SLOPE, OPEN, OPEN_ADJ, MSA_FAILED_OPEN |
| SATURATION | NO_SAT_CHECK | none | 1. For all groups above saturation set grouped to SATURATED 2. propagate NO_SAT_CHECK to pixeldq (no saturation check on these pixels) |
| Super Bias | NA | none | none |
| REFPIX | NA | pixeldq: REFERENCE_PIXEL (use only these pixels for correction) , DO_NOT_USE (do not use these reference pixel) | none |
| FIRSTFRAME | NA | none | groupdq: DO_NOT_USE |
| LASTFRAME | NA | none | groupdq: DO_NOT_USE |
| LINEARITY | NO_LIN_CORR | groupdq: SATURATED (correct up to saturation) | propagate NO_LIN_CORR to pixels (no linearity correction apply to these pixels) |
| DARK_CURRENT | NA | none | none |
| RSCD | NA | groupdq: SATURATED (algorithm needs to know if saturated uses difference correction | none |
| PERSISTENCE | trapdensity: pixeldq: DO_NOT_USE (traps =0) | groupdq:JUMP_DET & SATURATED | pixeldq: DO_NOT_USE for pixels with large persistence |
| JUMP | NO_GAIN_VALUE | groupdq: SATURATED, DO_NOT_USE | groupdq: JUMP_DET |
| RAMP_FIT | NA | groupdq: DO_NOT_USE, SATURATED, JUMP_DET, pixeldq: UNRELIABLE_SLOPE (SHOULD this be changed to DO_NOT_USE | Flags set in Rate files: propagate pixeldq (only ?) |
| GAIN_SCALE | NA | none | none |
| Step | DQ Flag read from Reference File | DQ flag used that was set in a previous step | DQ flag set |
|---|---|---|---|
| FLAT_FIELD | pixeldq: NO_FLAT_FIELD or UNRELIABLE_FLAT | propagate NO_FLAT_FIELD, UNRELIABLE_FLAT to pixeldq (flat of 1 applied to pixels) | |
| PHOTOM | pixeldq: NON_SCIENCE | pixeldq: DO_NOT_USE | propagate NON_SCIENCE to pixels (no conversion done) |
| RESAMPLE | |||
| BACKGROUND | NA | none | none |
| IMPRINT_SUBTRACT | NA | none | none |
| MSA_FLAGGING | NA | pixeldq: MSA_FAILED_OPEN | none |
| STRAYLIGHT | NA | pixeldq: HOT, DEAD (need to add pixels: DO_NOT_USE) | none |
| FRINGE | NA | none | none |
| PATHLOSS | NA | none | none |
| BARSHADOW | NA | none | none |
| RESAMPLE_SPEC | |||
| CUBE_BUILD | NA | pixeldq of DO_NOT_USE, NON_SCIENCE not used in cube_building (need to add JUMP_DET from OUTLIER rejection and NO_FLAT_FIELD and UNRELIABLE_FLAT) | TBD |
| EXTRACT_1D | NA | pixeldq: DO_NOT_USE (not used in extraction) | none |
| EXTRACT_2D | NA | none | none |
| Step | DQ Flag read from Reference File | DQ flag used that was set in a previous step | DQ flag set |
|---|---|---|---|
| MASTER BACKGROUND | NA | pixels: DO_NOT_USE | set pixels: DO_NOT_USE but we need to add a flag NO_BACKGROUND instead |
| MRS_IMATCH | NA | none | none |
| TWEAKREG | pixeldq: NON_SCIENCE (pixels excluded from catalog) | ||
| OUTLIER_DETECTION | NA | pixeldq: JUMP_DET |