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Re: Heavy 3D graph crashing octave

From: PhilipNienhuis
Subject: Re: Heavy 3D graph crashing octave
Date: Tue, 9 Feb 2016 10:20:05 -0800 (PST)

rcharan51 wrote
> PhilipNienhuis wrote
>> rcharan51 wrote
>>> I have a problem when I surf plot a big 3d surface. It is not only slow
>>> to interact (just to change the view), many it crashes octave(fltk
>>> toolkit, octave 4.0.0, Win10 64 bit 8GB ram). I think  using gnuplot
>>> makes it even worse. 
>>> So, Can anyone help me to reduce the data points density to such a
>>> extent that it wont affect the shape of the surface? Is data binning a
>>> alternative for this problem?
>>> FYI the mat file of the surface is 350MB !!
>>> Here are the files ( X Y Z data)
>>> <>
>> Have a look in the patch tracker; lately function "reducevolme" has been
>> added there + a few related functions (smooth3, isosurf, isocaps).
>> Philip
> Thank you for the tip. My problem is of a surface not volume. I thought
> griddata would help me decrease the density of data points but my base
> arrays are large and "insufficient memory" error is produced. I am
> clueless about how to proceed.

Maybe if you google for "reducevolume matlab" and pick the first it you'll
get a better feeling for how it can help you.


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