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å Tuesday, April 4th, 2017

( Mastercam Display issues in Parallels

As many of you found firsthand in class, sometimes running MasterCAM in Parallels will end up having display issues, specifically when moving the model around in the viewport it will ghost. After testing we discovered this problem occurs when you switch the display mode of Parallels (fullscreen to windowed mode or vice-versa), or sometimes when you adjust the window size. It seems that switching to Coherence Mode will resolve or prevent this bug from occurring. To do this Parallels has several interfaces where you can choose the menu item View>Enter Coherence, or use press: command-control-C

Coherence eliminates the Windows operating system and makes MasterCAM or any other Windows application or file browser appear like a Mac app. This can make finding files through the windows desktop tricky; you can either exit Coherence mode and minimize the MasterCAM window or click on the Windows 10 icon in the Mac Dock to open the start menu and find your files through the window that opens there. We’re not sure if this will completely eliminate this issue but so far it seems to have; if you run into this issue and this fix doesn’t work, or you encounter any others, please let us know.

B Another explanation of surface continuity

This page has a perhaps more entertaining way to discuss surface continuity, but it also covers higher orders of continuity – G3 and G4.


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B More about NURBS

If you’re curious to learn more about NURBS, I’m sharing a couple of links that go more in depth on how this geometry works.

This article links to a somewhat comprehensive definition of NURBS

This article links to two other that are more deep in their description, with equations and formulas that are quite complex:

The Wikipedia page for NURBS is also a useful reference:

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