CORS problem using sagecell

[david.guichard]

In my calculus book I have a number of sagecells. One of them has started throwing an error involving CORS. Follow this link:

https://www.whitman.edu/mathematics/calculus_online/section13.01.html

and go to the exercise section, click evaluate on the sagecell. When I do this, I get

Error connecting to server: https://sagecell.sagemath.org/static/jsmol/php/jsmol.php?call=getRawDataFromDatabase&database=_&query=https%3A%2F%2Fsagecell.sagemath.org%2Fstatic%2Fjsmol%2Fj2s%2Fjava%2Futil%2FHashtable.js

This was working a few months ago. There are two sagecells in

https://www.whitman.edu/mathematics/calculus_online/section16.06.html

and both work for me. I'm not seeing any significant differences in the code.

Any ideas?

-- David

[david.guichard]

I found the difference: the working cells were using viewer='threejs'. When I change the other to threejs it works, although I don't like the plot as much. Is there a way with the threejs viewer to get an orthogonal projection instead of perspective?

To repeat from my initial post: I'm sure that this cell was working just a few months ago.

-- David

[henri girard]

do you share the code for example 16.6.1 ?

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[David Guichard]

On Sun, Jan 27, 2019 at 9:42 PM henri girard <henri....@gmail.com> wrote:

do you share the code for example 16.6.1 

There are actually two versions of the figure. There is a static version that you should see on a phone or tablet. I think I used Maple to generate those, and I may still have the code somewhere, but I'd have to really dig around.

In a browser you should see an interactive version. The code for that is right in the source for the page. It's javascript relying on the threejs libraries.

-- David