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Delete thin triangles, pass 1 - DPLOT unresponsive

 
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mikeb



Joined: 18 Aug 2004
Posts: 32

PostPosted: Thu Mar 31, 2016 10:29 am    Post subject: Delete thin triangles, pass 1 - DPLOT unresponsive Reply with quote

attempting to use "delete thin triangles" on a fairly small data file in Shaded Band plot. Status of "Deleting thin triangles, pass 1" doesn't change. Cursor showing busy. Clicking on DPLOT title bar brings up "(Not Responding).

Using Dplot version 2.3.5.5. Windows 7 32-bit Task manager shows 50% CPU usage.

After 20 minutes, still not responding. I will let run as long as I can stand to see if it finishes.
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DPlotAdmin
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Joined: 24 Jun 2003
Posts: 2289
Location: Vicksburg, Mississippi

PostPosted: Thu Mar 31, 2016 1:02 pm    Post subject: Reply with quote

There's no need to let it run. Something has fouled up. Please save your graph as a DPlot file and send it to me.
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David Hyde
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DPlotAdmin
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Joined: 24 Jun 2003
Posts: 2289
Location: Vicksburg, Mississippi

PostPosted: Fri Apr 01, 2016 10:16 am    Post subject: Reply with quote

Thanks for the file. At first glance it appears that almost all of the triangles qualify as "thin". You can see this if you turn on "Borders" under "Contour Options". That's not to excuse the apparent endless loop, but if this did work as expected I don't think the results would be what you want.

I'll figure this out eventually, but even when fixed I think you'll be better off manually deleting the triangles you don't want with Edit>Delete Triangles.
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David Hyde
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mikeb



Joined: 18 Aug 2004
Posts: 32

PostPosted: Fri Apr 01, 2016 1:45 pm    Post subject: Reply with quote

Thanks David.
Any suggestions on masking the center of a circular shaded band plot?
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DPlotAdmin
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Joined: 24 Jun 2003
Posts: 2289
Location: Vicksburg, Mississippi

PostPosted: Fri Apr 01, 2016 9:20 pm    Post subject: Reply with quote

It depends on the density of the points whether Options>Define Boundary will be useful. See the example in the Help file for the Define Boundary command. If they're spaced at 1 degree or less, you'll probably find this too
tedious.
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David Hyde
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