[vtkusers] ANN: vtk.js, an Open-Source Toolkit for SciVis on the Web

[Sebastien Jourdain]

Sorry, for being light on my initial explanations. I've been playing too
long with all those technologies... ;-)

ArcticViewer is just a viewer of static data.
The Python script is to actually process the data and generate a data
structure that would be easy to serve to a web page.
So it is just pre-processing to generate new files that should be a subset
of the original data.

Then once you load the (newly generated) data in ArcticViewer, you can edit
the lookup table, play the time animation, change the array to color by and
so on...

But it could also be fairly easy to create an animation with vtk.js just by
dealing with the switch of input data on your own in plain JavaScript.
I was just mentioning ArcticViewer as you can easily try it out.

If you want the web browser to drive a VTK/Python backend, you can use
ParaViewWeb for that and Visualizer is a good example of it.
You can learn more about it here:
https://kitware.github.io/paraviewweb/docs/

Hope that clarify some of your questions...

Seb


On Wed, Nov 29, 2017 at 12:37 PM, Jan Hardenbergh <hardenbergh at terarecon.com
> wrote:

> Seb,
>
>
>
> Let’s pretend I’m a dinosaur who has run a vtk demo every couple of years
> since kitware was founded and Mitsubishi hired them to do a VolumePro500
> demo.
>
>
>
> Are you saying that the browser would call Python? Or are you saying it
> would be trivial to port VTKGeometry-can.py to .js?
>
> Also, this a bit opaque: inputFile = '/Users/seb/Downloads/data/can.ex2'
>
> Would this work as well? https://midas3.kitware.com/midas/item/207317
>
>
>
> I am assuming that I would copy a bunch of stuff to an examples directory
> in my webserver and presto-keeno, it would work. Right?
>
>
>
> Adding the LUT will go on my aspirational TODO list.
>
>
>
> -Jan
>
>
>
> *From:* Sebastien Jourdain [mailto:sebastien.jourdain at kitware.com]
> *Sent:* Wednesday, November 29, 2017 2:11 PM
> *To:* Jan Hardenbergh <hardenbergh at terarecon.com>
> *Cc:* vtkusers at vtk.org
> *Subject:* Re: [vtkusers] ANN: vtk.js, an Open-Source Toolkit for SciVis
> on the Web
>
>
>
> If you want to add your preset for "Cardiac LUT",
>
> feel free to add it here: https://github.com/Kitware/vtk-js/blob/master/
> Sources/Rendering/Core/ColorTransferFunction/ColorMaps.json
>
>
>
> On Wed, Nov 29, 2017 at 12:08 PM, Sebastien Jourdain <
> sebastien.jourdain at kitware.com> wrote:
>
> ArcticViewer can do time animation using vtk.js for both geometry and
> volume rendering.
>
>
>
> https://kitware.github.io/arctic-viewer/
>
>
>
> Some example script can be found here:
>
> https://github.com/Kitware/arctic-viewer/blob/master/
> scripts/examples/paraview/samples/VTKGeometry-can.py
>
>
>
> For volume data export, we don't have an example but could add one easily.
>
>
>
> Seb
>
>
>
> On Wed, Nov 29, 2017 at 11:30 AM, Jan Hardenbergh <
> hardenbergh at terarecon.com> wrote:
>
> This is awesome!!! Would an AnimationScene work in vtk.js?
>
> P.S. For the volume datasets, a Cardiac LUT would be nice.
>
> YON - Jan C. Hardenbergh, VolumePro SW Eng. Mgr. Terarecon, Inc.
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 28 Nov 2017 10:12:08 -0700
> From: Sebastien Jourdain <sebastien.jourdain at kitware.com>
> To: "vtk-developers at vtk.org" <vtk-developers at vtk.org>, vtkusers
>         <vtkusers at vtk.org>,  "paraview at paraview.org" <
> paraview at paraview.org>,
>         "paraview-developers at paraview.org" <paraview-developers at paraview.
> org>
> Subject: [vtkusers] ANN: vtk.js, an Open-Source Toolkit for SciVis on
>         the Web
> Message-ID:
>         <CABObKxfzgVj2Wi_s1QbEgDf2SebqzbwoCtvX66DT5+
> Mng9SdoQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
>
> The Kitware team is pleased to announce vtk.js, a WebGL library taking the
> best of VTK to the Web.
> To learn more, click on the link for our blog post.
>
> https://blog.kitware.com/vtk-js-the-visualization-toolkit-on-the-web/
>
> And if you want to follow along the progress of the project, star it on
> github!
>
> https://github.com/Kitware/vtk-js
>
> Feel free to leave feedback on the mailing list or issue tracker.
>
> Thank you all for making VTK such a great platform for SciViz!
>
> Sebastien
>
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