The old tool only understood the legacy uniform-geometry header and had no
bound on peak RAM, making it unusable on the ragged v6/v7 files the scanner
now produces at up to ~560GB. Reads via SrasFile's memmap and writes in
row-chunks sized to a memory budget (SRAS_MEM_BUDGET_MB), stages to .part and
os.replace()s per scan_format.md's atomic-write requirement, always writes
plain v6 (a v7 cache tail is frame-indexed and invalid after averaging), and
divides laser_freq_hz by N so x_axis_mm() stays correct after the X axis gets
spatially binned.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Thomas Ales [M S E]
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