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Specifying Ranges

 
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grumpy_labrat



Joined: 03 Aug 2008
Posts: 170
Location: University of Oregon

PostPosted: Mon Jan 31, 2011 2:52 pm    Post subject: Specifying Ranges Reply with quote

Kind of a basic question, but how does one specify ranges in a 2D mesh? I would like to be able to set up a couple of sliders to set a max and min value for my display range rather than entering it in manually. Is there a way to do this?
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David
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Joined: 25 Nov 2006
Posts: 1961
Location: Chapel Hill, NC

PostPosted: Mon Jan 31, 2011 4:04 pm    Post subject: Reply with quote

The best way to do that is to create a "2D Region" variable and select that as the bounding box. One of the modules inside 2D Region has sliders for the min/max.

David
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grumpy_labrat



Joined: 03 Aug 2008
Posts: 170
Location: University of Oregon

PostPosted: Mon Jan 31, 2011 4:21 pm    Post subject: Reply with quote

Right, I got that part, the part that I'm missing is how to have that max, min pair show up in the drawing window for the mesh under the range pull down.
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David
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Joined: 25 Nov 2006
Posts: 1961
Location: Chapel Hill, NC

PostPosted: Mon Jan 31, 2011 6:33 pm    Post subject: Reply with quote

I misunderstood. I took it as the 2D bounding box xmin,xmax,ymin,ymax and that is done in the "Bounding Box" entry. But for drawing a mesh, you need a "1D Region" That variable has a module called "Slider Left and Right" where you can specify the range using sliders, and also "Expression" where you can specify the range using variables that can be specified using sliders.

Or you can use the "Value Range" to get the range of the mesh to have the mesh range always be the min,max for the given variable. Or use the value range + "Union" to tweak things.

David
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grumpy_labrat



Joined: 03 Aug 2008
Posts: 170
Location: University of Oregon

PostPosted: Mon Jan 31, 2011 6:44 pm    Post subject: Reply with quote

That did it! Thanks much!
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David
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Joined: 25 Nov 2006
Posts: 1961
Location: Chapel Hill, NC

PostPosted: Mon Jan 31, 2011 6:47 pm    Post subject: Reply with quote

If you hover over a menu, the tooltip shows you which variable types can be selected there.

David
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