Hec ras flipper9/25/2023 I laid these cutlines over a surface about a year ago using ArcMAP 9.3 and it worked OK, then I replaced the surface recently, now using ArcMAP 10, and this occurred. Yes, they're drawn up to down, and what's more strange is that cross sections above and below the mirrored ones turn out just fine. Please post a reply here if you figure it out. Are your stream centerlines and flow lines all drawn in from upstream to downstream? That might be the cause. I'm generating them in Geo-RAS (for ArcMAP 10), and drawing them correctly from left to right. I'm seeing a bizarre issue with some cross sections ending up reversed (mirror image of correct), but everything else appears OK (correct labeling unlike the image above, etc.).
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