[Paraview] Visualize density (a galaxy of stars)

[Paluszek, Lukasz]

Hello Anders,

I don't know what your expectations as to how sharp the image should be are, but your data set is too coarse to obtain a sharper rendering. What I suggest is that you either refine your mesh or you resample your data onto a finer vti image and then do the volume rendering. I have attached a picture with your original galaxy and a resampled one, perhaps this is what you are looking for. I must admit though, that the left image looks more "Hubble-like" :-).

Regards,
Lukasz





Łukasz Paluszek
Airbus Helicopters
Aerodynamics Department (ETGA)
86607 Donauwörth
Germany
Tel.: +49 (90) 671 8231
Fax.: +49 (90) 671 9122
Lukasz.Paluszek at airbus.com

-----Original Message-----
From: ParaView [mailto:paraview-bounces at paraview.org] On Behalf Of Chris Richardson
Sent: 26 June 2015 10:16
To: Anders Logg
Cc: ParaView Mailing List
Subject: Re: [Paraview] Visualize density (a galaxy of stars)

On 26/06/2015 08:36, Anders Logg wrote:
> Sure!
>
> http://www.math.chalmers.se/~logg/tmp/torus.vtu.gz [6]
>
> Ideally I would like to visualize this as a glowing torus-shaped
> galaxy in empty space.
>
> PS: A friend tipped me to visualize the data as a point cloud instead
> so I'm currently experimenting with sampling the density data to form
> a point cloud (outside of ParaView). This might be a better
> alternative than visualizing the density directly.
>

You could also try contouring it at different levels, and turning opacity to ~0.5 or so.

Chris
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