Outside The Box blogs, Autodesk University anecdotes, articles, blog digests, and product news in chronological order. See Writing for the same material by subject.
In AutoCAD, the AcDbCurve class defines a general parametrized curve. On a parametrized curve, points in space are mapped to real numbers (parameters) by an arbitrary function F(p) for values of p from the curve start parameter to the curve end parameter. Defining a curve this way simplifies working with complex 3D curves because one can work in the curve’s one dimensional “parameter space” instead of the more complex three dimensional cartesian space.
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I’ve written before about RoboCache, a command line utility I wrote for managing the offline files cache in Windows Vista, Windows 7, and now Windows 8. After using the utility internally for a few years, I decided that I might as well clean it up and make it available to the rest of you. RoboCache is now available at the ManuSoft web site. There is a shareware version available, and you can purchase the registered version at the ManuSoft store (cost is 25 USD for a single user license).
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RoboCache was introduced as a command-line utility for managing the offline files cache on Windows Vista, Windows 7, and Windows 8. It can batch-process directory trees with wildcard filters, and perform operations on cached files (or on the cache itself) that the Windows UI does not expose.