PUBLIC MARKS with tag gis

One of the most important current trends in the high-tech industry is the rise of spatial and location-based technologies. Once the exclusive domain of complex GIS systems, these technologies are now increasingly available in small applications, websites, and enterprises. This document provides a brief overview of the concepts, techniques, and tools for implementing location-aware application features, focusing on the Ruby programming language and an open-source technology stack.

Michael de Smith

Where can the subway drive you to in 15 minutes ? Isokron gives you the answer in a graphical nifty way.

US Shape codes

SQLite is a popular DBMS, simple, robust, easy to use and really lightweight each SQLite database is simply a file; you can freely copy it, compress it, send it on a LAN or WEB with no complication at all They are also portables; the same database file will work on Windows, Linux, MacOs etc the SpatiaLite extension enables SQLite to support spatial data too [aka GEOMETRY], in a way conformant to OpenGis specifications

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