The H-Factor

Reducing Entropy

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Unblocking a Group of Files

After downloading a file, it is often Blocked. You must right-click on it, pick Properties and then check the Unblock item: But doing a dozen or more files gets old, real fast. I just learned a way to Unblock a batch of files at once. It involves using PowerShell, a Microsoft tool that is a…

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Adding Hanger Types to HydraLIST

If you want to use a new type of hanger, or are a fab shop that gets a job from a contractor that uses a hanger type that you do not have, it is easy to add that new hanger type to your own machine. A hanger is an assembly, and an assembly is just…

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Welcome

Recently our previous blog service (Typepad) ended their business – so, we have a new home. It will take a bit to get images back and displaying properly, but we are working on it! Final pageview count of original Typepad blog: 387,232

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February 2015
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Purging Drawings of DGN (MicroStation) Stuff, Shrinking them Magically

A customer contacted us about a problem with his drawing as the drawing only had about a hundred heads but was 32+ megs. It turns out that the drawing had a large number of DGN Linetypes, and these really bulked up the DWG file. Before we got to dig too deep into the problem, the customer contacted us again and told us that he discovered that AutoCAD has an option built into the PURGE command to eliminate these. The option is the ‘Automatically purge orphaned data’ option in the PURGE dialog.

This reduced this particular drawing to less than one meg and prevents further problems with ‘junk’ data from DGN files from coming back as background details get copy and pasted into the drawing.

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