AutoLispCogo is a functional AutoLISP plugin for AutoCAD that automates the plotting of survey field data and coordinate geometry. This utility is a specialized LISP routine engineered for AutoCAD environments to streamline the translation of survey field notes into precise CAD geometry. It provides automated tools for plotting bearings, distances, and traverses, effectively reducing manual drafting time for site surveyors and civil engineers. The script functions as a lightweight, command-line-driven helper that calculates coordinate points based on input survey parameters. By automating repetitive geometry tasks, it ensures accuracy in site mapping and boundary plotting, serving as a technical bridge between raw field survey data and the final CAD drawing environment.

The download is a 10 KB file containing .LSP files.

To integrate this script into an AutoCAD workflow, users simply load the LSP file via the APPLOAD command. Once active, the plugin introduces custom commands that allow for the direct input of survey bearings and distances. It processes these inputs to draw lines and place points automatically within the active drawing space. Users should maintain consistent units and coordinate systems to ensure the script accurately maps the survey data relative to existing site geometry and project base points.

This tool is essential for civil engineering, land surveying, and urban planning projects where raw field data must be converted into accurate site plans. It is particularly useful during the initial phases of site analysis, boundary verification, and topographical mapping. Professionals working on large-scale infrastructure, landscape design, or residential site development will find this plugin efficient for plotting complex traverses. It pairs well with standard AutoCAD annotation tools and layer management systems, facilitating a more rapid and reliable transition from field measurement to digital documentation.