This is a set of LISP routines that can automate functions in AutoCAD and compatible systems.
ESurvey Lisps is a feature-rich LISP collection. AutoCAD and a few other CAD tools use AutoLisp as a scripting tool. These tools can use this script collection to automate various functions and gain in productivity. These compatible systems include BricsCAD, GStarCAD, ZwCAD, etc. Users of such a tool typically creates/collects productivity tools. This collection under discussion can augment such private collections of users. When you need them finding a suitable function out of the private collection could be difficult as these tend to be a jumbled collection of anything and everything. Often collected over the Internet, functions may not have the right kind of documentation. Whereas a systematic collection like the ESurvey Lisps is well-organized and categorized. It will be very easy to find the function you want.
ESurvey Lisps is a collection of tailor-made lisp routines developed specifically for AutoCAD users working on survey drawing. This collection has more than 150 Lisp commands. These utilities available through the interface include traverse correction, Lat-Long and unit correction. The functions are available in categories like text commands, text value modifications, lines commands, polylines commands, layer and block commands, select and interpolate, import/export and print ready commands, etc. Area-related commands, maths and statistics, elevate commands and utilities. Survey utilities commands are specifically for the surveying users of AutoCAD and other such tools. It includes some 50 odd macros too. These include most of the frequently used sequence of commands. This is a very good and useful tool.