I don't think this is a duplicate ticket, even though it's quite an obvious feature after that cat demo at SciPy2018.

The code that selects and renders the different geos is here in the THREE.js code
https://github.com/maartenbreddels/ipyvolume/blob/master/js/src/scatter.js#L57

I don't know quite where/how to inject the mesh definition compatible with the data file of this form, but i

Summary of feature

Math library has 2D and 3D common shape types like Ray2D, Ray3D, Cube, Sphere, etc

It could be useful to have Ray2D and Ray3D to have methods to return the intesection with shapes and volumes.

Also, test methods to get whether shapes and volumens overlap.

Comments

Area/volume overlapping is a very common practice for graphics development in areas like frutum c

I've seen this come up in the discussions a few times. We need to document that the threshold filter is a CELL-wise operation.

Ref pyvista/pyvista#1815 (comment) and pyvista/pyvista#1758 (comment)

.... and that maybe fine.... If you decide this is of no interest, that is very helpful too!

Details:

Structures Models of long transcripts (like Human gene TTN with over 30,000 residues) need residue numbering > 9999

Obviously, MMCIF format is the solution of the RCSB/PDBe

The UCSF Sali Lab Modbase group has adopted hybrid-36 format for these models. I left one of their models here

Currently the measurement plane is a rectangle defined by the 2 smaller principal axes. Add options to show a disc/circle. This can use code from the membrane orientation visual.

Describe the bug

If you want to create a constant expression and use the insert-function, you will see: (I've listed all the constant creators):

cell_constant(<meshvar>, <constantvalue>)
zonal_constant(<meshvar>, <constantvalue>)
point_constant(<meshvar>, <constantvalue>)
nodal_constant(<meshvar>, <constantvalue>)

The <> surrounding 'constantvalue' is misleading because it im

This keywoed appeared in IDL 8.5.2

@Jeanne-jw will work next days on that.

This will allow the cylinder to have the same behavior when picking vertices or edges as with other primitives.

However, we should also keep repeat_sources as a secondary option just in case we need to use some of the other VTK filters.

See an example of box actor (using repeat_primitives) here https://github.com/fury-gl/fury/blob/master/fury/actor.py#L1696

See the current implementation