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NOTE: det.image(evt) maps pixels to a uniform 2D grid.  For detectors with multiple physical panels this is approximate due to panel tilts, and when viewing these 2D images you may notice "jumps" in pixel locations due to the mapping of the pixels to the uniform grid.  If your analysis is sensitive to these effects it is more precise to use det.calib() and the individual pixel coordinates return by expert methods described here:  https://lcls-psana.github.io/Detector/index.html#module-AreaDetector.

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