>> You can use the plot functionality of vector fields on
>> Euclidean spaces to get better arrowheads:
OK; I can get jmol to work with some browsers, although it is painfully slow.
But the results are very nice.
>> And is there a way to disable the perspective view?
>> I want the 2d-view seen from above to look like a with the
>> 2d vector field, arrows sitting exactly on top of each other;
>> the perspective tries to show them all.
I reported this issue with threejs, but it's also present with jmol. Yes, it's
possible to eliminate the perspective view interactively, by right-clicking,
and unchecking "Perspective Depth" in the Style menu. But I'd like to place
these images in final form on a webpage, so I'm looking for a way to encode
jmol settings in either Sage or HTML. Is this possible?
Finally, is there a simple mechanism to enable Sage to plot vector fields with
singularities, such as a pole at the origin? I've had no luck yet trying to
plot something like:
E.vector_field((-y/(x^2+y^2),x/(x^2+y^2)))
I've tried piecing together nonsingular domains, although I'm possibly not
doing it correctly. But there is surely a more elegant solution, such as
cutting off the vector field at some maximum magnitude.
Thanks,
Tevian
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