HYPACK BEACH VOLUME CROSS SECTIONS FULLĬreating lines perpendicular to the channel centerline can exaggerate these errors. CS&V does not care if there are turns in the channel between lines. Differences between the volume results in HYPACK and other packages can result based on how the other package handles the problem of unequal coverage.ĬS&V does not care if your lines intersect. HYPACK BEACH VOLUME CROSS SECTIONS FULLįull Length of Before Survey (not recommended): Computes areas based on limits of before survey. Only Where Both Surveys Have Data: Computes areas only where ‘before’ and ‘after’ section overlap. It provides hydrographic surveyors with all of the tools needed to design their survey, collect and process the data, and present it in a variety of output formats. 2 2 4 4ġ5 Differing Coverage Before Dredge versus After Dredge Data Project plotting sheets, CAD chart files, cross sections and volumes reports, and interactive, 3-dimensional TIN models and point clouds all enable you to visualize the bottom surface in detail. No solid profile line means you have a data gap!ġ4 Testing for Gaps Click ‘Graph Options – Data’.ġ 1 Click ‘Graph Options – Data’. CS&V does not draw a solid line (black in example) across the profile, indicating the gap in the data is larger than the user- defined gap distance. CS&V colors the area, to indicate it has been included in volume computations.
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