error in viewer='threejs'

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Jun 18, 2021, 7:24:01 PM6/18/21

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Hi,

I'm running sagemath 9.0 in Ubuntu 20.04 with jupyterhub and jupyterlab. When I try to display a simple ·D graphic like

p1 = sphere(color='red', opacity=.5)

show(p1,axes=True,viewer='threejs')

nothing is displayed.

In the console, I get the message

/hub/nbextensions/threejs/examples/js/controls/OrbitControls.js

/hub/nbextensions/threejs/build/three.min.js

not found.

Does anybody know how to solve the problem?

Thanks in advance.

Rafel Amer

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Jun 18, 2021, 7:32:53 PM6/18/21

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I have the same configuration as yours and I get a box cube with red
sphere, I don't know if it's native working because I use npm in python3
(sage) to install it

https://threejs.org/docs/#manual/en/introduction/Installation

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Jun 18, 2021, 7:44:13 PM6/18/21

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On 18/06/2021 21:14, Rafel Amer Ramon wrote:

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