https://chernitsky.net This is my portfolio RSS feed https://chernitsky.net/blog/Pipe-and-Channel-Flow-Calculator Partially full flow calculator (Manning's equation): circular pipes, rectangular tubes, and open channels Sat, 18 Jul 2026 00:00:00 GMT https://chernitsky.net/blog/pl-viewer View and batch-convert PL1/PL2 to AutoCAD DXF, in the browser or as a native Windows app. Wed, 15 Jul 2026 00:00:00 GMT https://chernitsky.net/blog/DSTEdit Open a .dst sheet set in the browser and make quick edits: rename and renumber sheets, edit properties, reorganize subsets. Fri, 10 Jul 2026 00:00:00 GMT https://chernitsky.net/blog/SiteScout An interactive viewer for classified LiDAR over Athens GA, Atlanta GA, New York City, Chicago, and San Francisco. Pick a spot on the map, open the point cloud, read building heights and existing grade in the local state-plane feet, and export traced footprints to DXF for Civil 3D — no software, no downloads. Sat, 04 Jul 2026 00:00:00 GMT https://chernitsky.net/blog/DWGStats A native ObjectARX plugin that tracks active, idle-aware working time per drawing and builds Excel reports: daily breakdowns, per-project totals, and a lifetime summary with a calendar heatmap. Tue, 23 Jun 2026 00:00:00 GMT https://chernitsky.net/blog/DeAEC A Civil 3D plugin that turns legacy Land Desktop AEC_Contour objects into clean, weeded polylines - preserving elevation and properties, with no destructive explode. Sat, 13 Jun 2026 00:00:00 GMT https://chernitsky.net/blog/Sd3-Calculator Design an SD-3 temporary sediment basin using the Georgia Erosion & Sediment Control Manual: required storage (Vs/Vc), principal spillway sizing from Table 6-29.1, emergency spillway checks from Table 6-29.4, and a built-in Example Problem self-check. Mon, 04 May 2026 00:00:00 GMT https://chernitsky.net/blog/GA83WFConverter Convert latitude/longitude (WGS84) to Georgia State Plane West (US survey feet) with Civil 3D-ready output and map preview. Sun, 01 Feb 2026 00:00:00 GMT https://chernitsky.net/blog/Circular-Weir-Calculator Circular Weirs for Measuring Flows in Partially Full Pipes Sizing Tool Fri, 23 Jan 2026 00:00:00 GMT https://chernitsky.net/blog/Rip-Rap-Calculator RipRap sizing tool Sun, 28 Dec 2025 00:00:00 GMT https://chernitsky.net/blog/Calculator Calculation methodology, examples and calculator Fri, 26 Dec 2025 00:00:00 GMT https://chernitsky.net/blog/Civil-3D-area-in-acres A small ARX utility that automatically displays object areas in acres directly in the Properties palette, saving time on everyday hydrology workflows. Fri, 26 Dec 2025 00:00:00 GMT