gmane.comp.python.enthought.devel

headers Gael Varoquaux | 23 Jul 09:46

I forgot to attach a screenshot, so that people who do not have mayavi
installed can see what visualisation this creates.

On Wed, Jul 23, 2008 at 09:45:08AM +0200, Gael Varoquaux wrote:
> On Mon, Jul 21, 2008 at 01:49:56PM +0200, Ondrej Certik wrote:
> > On Mon, Jul 21, 2008 at 11:33 AM, fred <fredmfp@...> wrote:
> > > Ondrej Certik a écrit :

> > >> It only shows a white rectangle, for me. I would like to see the
> > >> actual mesh. If you do "paraview --data=mesh.vtk", click apply and
> > >> then set Display->Style->Representation->    Surface With Edges   (it
> > >> is a popup on the toolbar), it shows the mesh. 10x10 in this case.

> > > Ondrej,

> > > Double-click on Surface module in the tree, then in Property,
> > > select Representation: wireframe.

> > > It does what you want.

> > Yes! Thanks a lot, that's exactly what I wanted. Is there a way to see
> > the Representation popup in the mayavi2 window directly, without
> > having to call double click on the Surface module?

> Actually, when I want to display cool meshes, I use something like

> In [1]: from enthought.mayavi import mlab

> # Somecode to create a mesh, it could really be anything.    
> In [2]: from numpy import mgrid, random

> In [3]: x, y = mgrid[0:5, 0:5]

> In [4]: z = random.random(x.shape)

> In [5]: m = mlab.mesh(x, y, z, opacity=0.4)

> In [6]: e = mlab.pipeline.extract_edges(m)

> In [7]: t = mlab.pipeline.tube(e, tube_radius=0.1)

> In [8]: s = mlab.pipeline.surface(t, color=(0, 0, 0))

> Enjoy :). VTK is really cool, and I am starting to think that we are
> getting a nice API over it that allows to do very powerfull things in an
> easy way.

> In older versions of mayavi, extract_edges might be called extraedges,
> but this was in violation of the ETS coding standards, and was harder to
> read. We fixed that in Mayavi 3.0a.

> Gaël

> PS: Prabhu, s.remove() makes really controling the pipeline from the
> command line a real pleasure, eg when you make a mistake. Thanks for
> adding this.

Re: show mesh in mayavi2, segfault