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version 1.1 (2.6 KB) by

A simple 3D-bubbleplot.

13 Ratings



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BUBBLEPLOT3(x,y,z,r), where x, y, z and r are four vectors of the
same length, plots bubbles of radii r in 3-space with centers at
the points whose coordinates are the elements of x, y and z. If r
is a matrix of size numel(x)x3, BUBBLEPLOT3 produces ellipsoids with
centers x(i),y(i),z(i) and radii r(i,1), r(i,2) and r(i,3).

BUBBLEPLOT3(x,y,z,r,c), where c is a rgb-triplet array (in [0,1])
with numel(x) rows, plots bubbles with colours specified by c.

BUBBLEPLOT3(x,y,z,r,c,Alpha), where Alpha is a scalar with value from
0.0 to 1.0, plots bubbles with FaceAlpha Alpha.

BUBBLEPLOT3(x,y,z,r,c,Alpha,n,m), where m and n are scalar values that
decides the size of the arrays used to render the bubbles.
The largest radius in the set is rendered with (n+1)x(n+1) points.
To increase efficiency, the number of rendering points used is
decreasing linearly with the radius but is never rendered with
fewer points than (m+1)x(m+1).

Any property-value pair setting valid for a SURFACE object can be
passed as optional parameters.

BUBBLEPLOT3 returns a column vector of handles to surface objects.

Comments and Ratings (17)

I have been worked on sphere packing for pouros media simulation and i would like to extracd 2D cross sections planes over the bubbleplot3d, how could i do it ?

Min Liu

Exactly what I am looking for!

Min Liu

It is very helpful.Thanks.

Yasser Khan

Exactly what I needed to plot 3D spheres, takes in three coordinates arrays and one for radius. Then, ta-da! Thanks.

Sonia Chikh

thx a lot!! it helped much

Ryan Molecke

Thank you for this!

Shi Jin

This is great.
I have a question: what if I want to specify another variable as the color field and use a color bar?
Right now, the c field is a rgb-triplet. What I want is another scalar field, for example, density rho.
Even if I specify c as a rgb triplet, the colorbar is still using the z values. Is this something that can be added?


Hernan R

WOW!! I would give more that 5 start if I could. This is amazing and saved me hours or maybe days of work. And the picture looks really great.

Sanjib Sikder

It was of great help. :))

arif santoso

no comment

Theodore Sande

These bubbles look good enought to eat !

Susanna Yang

Thanks for the great code. It helped me a lot...

Greg Georgalli

Great, exactly what i needed.

Yuri K

That's exactly what I was looking for a long time. Adding lighting after that makes the figure even greater. Thanks a lot, Piter. I'd give more then 5 stars if I could.

Peter (PB) Bodin

Thanks <Urs> for the valuable (as always) points. I´ve already made some minor updates and posted the code. The view3 will be added as soon as possible.

urs (us) schwarz

very nice and cleanly coded snippet, <peter>; one minor rant: it would be nice if you'd call <view3> in the end - and - after all...




This version allows the bubbles to be ellipsoids as well as spheres.

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