Re: Speed of VectorPlot3D... What is Rendering?
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- Subject: [mg128138] Re: Speed of VectorPlot3D... What is Rendering?
- From: Joseph Gwinn <joegwinn at comcast.net>
- Date: Tue, 18 Sep 2012 03:42:19 -0400 (EDT)
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In article <k368gn$1t3$1 at smc.vnet.net>, "Alexei Boulbitch" <boulbitch at gmx.de> wrote: > I asked a question several weeks ago about speeding up 3D Graphics using > VectorPlot3D and Mouse Rotation....I never got a direct answer, however, > several persons (Yves and Alexei) posted answers for another question that > helped to solve mine......for my case and computer .......... > > I set MaxRecursion->3 and in the Options Inspector under Graphics Options I > changed Graphics Rendering to HardwareDepthBuffer...... > > The increase in speed of rendering really surprized me....and the Graphics > object rotated almost instantly........MaxRecursion especially made a > difference....if I set it to ten it took forever....at 3 worked like a > charm.... > > > thanks to Yves and Alexei...... > > jerry blimbaum > > Dear Community, > > I wonder, what is Rendering? > > First, how should this word be translated in the Mathematica context. I am > not English native speaker, and looked into a dictionary. A good one. It > returned me about 300 meanings of the word none of which I could really > correlate with the graphics operations. > > I looked into help and find this: > > "Rendering opens a submenu to control rendering operations." > and details do not help to understand what does it do. > > It is like in one of Lem's stories: "Sepulkys are necessary to make > sepulation". "Sepulation is the process using sepulkys" (not sure that my > translation is equal to the original one, but the sense is there. > > So, what the Rendering mean and what does it do? > > Best regards, Alexei This is rendering in graphics. There are many descriptions. Here are a few: <http://en.wikipedia.org/wiki/Software_rendering> <http://en.wikipedia.org/wiki/Graphics_pipeline> <http://medialab.di.unipi.it/web/IUM/Waterloo/node7.html> There is lots of information in the OpenGL literature. Joe Gwinn