Adding support for vtk-js about draco HOT 3 CLOSED

1. Based on your description, compressing VTK data should be possible as long as vtkCellArray represent connectivity of triangular meshes (Draco doesn't support general polygons). Currently we have importers only for .OBJ and .PLY, but we plan to add support for more formats in future. In case you don't want to wait for us, we always welcome any pull requests that would add support for additional formats. An example how to create a mesh from generic data has been shown in this issue: #15 . Additional examples would be our OBJ and PLY decoders.

2. As for the javascript, it is true that our current javascript API is for the decoder only, but it can be extended for the encoder too if there is sufficient demand.

from draco.

Thanks for your feedback.

For vtkCellArray, it is definitely a connectivity map but it does not need to be a set of triangles.
In fact we have a vtkCellArray per type of cells (verts, lines, polys, strip). On top of that the layout is [numberOfPoints, idx_0, ids_1, ... idx_n, numberOfPoints, idx_0, idx_1, numberOfPoints, ...]

And for the polys, the number of points can be more than 3 which means they can be quad, or even bigger. And I'm just talking about the vtkPolyData which are our surface mesh. The full set of dataset types can be found here in case you are interested. http://www.vtk.org/wp-content/uploads/2015/04/file-formats.pdf

For the JavaScript I was just asking in case I could skip some build time. But no big deal here. Thx.

I'm going to look closer to the issue #15.

Otherwise do you think having a command line tool that can be used to compress files that are binary arrays could make sense? Or did I miss understood the library as all the arrays should be written in the same compressed file?

Anyway, thanks again for your feedback.

from draco.

I'm closing this issue. If you think we should talk more about it please re-open.

from draco.