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Autodesk Project River Analysis Extension for AutoCAD Civil 3D 2012 and AutoCAD Map 3D 2012, a technology preview of new infrastructure planning and design functionality from the AEC Infrastructure Modeling Product Line Group, is available for download and trial on Autodesk Labs. Project River Analysis Extension for AutoCAD® Civil 3D® 2012 and AutoCAD® Map 3D® 2012 (available in both 32-bit and 64-bit) is a sophisticated river modeling software package that supports HEC-RAS within the AutoCAD Civil 3D 2012 and AutoCAD Map 3D 2012 environment. This technology preview of River Analysis makes it easier than ever before for infrastructure planners, engineers and designers to compute water surface profiles for modeling rivers, bridges, culverts, spillways, levees, floodplain and floodway delineations, stream diversions, channel improvements, and split flows. Learn More
