| Re: volume() command [message #83738 is a reply to message #83694] |
Mon, 25 March 2013 13:36  |
Mark Piper
Messages: 198
Registered: December 2009
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Senior Member |
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On Saturday, March 23, 2013 5:42:27 PM UTC-6, David Grier wrote:
> Volumetric rendering being one of the things that IDL does better than Matlab or python's
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> matplotlib, it might seem surprising that IDL does not have a volume() function analogous to the other
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> function graphics routines. In fact, IDL's function graphics system actually can create
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> a volumetric rendering analogous to the iTools ivolume routine, but with better programmability.
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> To create a volume,
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> IDL> graphic, 'volume', data, _extra = ex, graphic = vol
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> DATA should be a [nx, ny, nz] volumetric data set.
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> VOL is the resulting object.
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> Keywords are passed through the extra mechanism.
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> To learn what properties are available,
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> IDL> itpropertyreport, vol.gettool(), igetid('volume')
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> Although this procedure yields a full-fledged function graphics object, it has some compatibility
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> quirks when used in combination with image() and plot() commands. It would be nice if IDL's
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> developers were to box up and document a well-integrated implementation of volume().
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> Just my 2 cents,
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> David
Hi David,
VOLUME may make it into 8.2.3. If not, it'll be in 8.3.
mp
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