next up previous contents
Next: 6.4.3 ITF Artifacts Up: 6.4 Associated Flags and Previous: 6.4.1 Non-photometrically Corrected Image

6.4.2 Warning Track

In order to alert the user that data being analyzed are spatially close to the edge of the PHOTOM region and/or near the target ring, a warning zone approximately five pixels deep has been established on the PHOTOMed data side of the boundary. Pixel locations determined to be in the warning track are flagged as -512.

Karen Levay