Thanks! On Friday, November 30, 2018 at 5:02:27 PM UTC-8, slelievre wrote: > > > Fri 2018-11-30 23:43:00 UTC, David Guichard: >> >> In this page, >> >> http://skink.whitman.edu/~guichard/sage/two_plots_clean.html >> >> I have two sagecells, each to do a 3d plot. If I evaluate the first one, >> it works as expected. If I then evaluate the second, it graphs correctly, >> but it also replaces the first plot with a copy of the second. Neither of >> them is "live", that is, I can't rotate either version. >> >> If I first evaluate the second cell, it works as expected. If I then >> evaluate the first one, it also works as expected: I end up with two >> (different) plots, both live. >> >> I'd appreciate knowing how to fix this, if it's possible. I have tried a >> few things, such as changing the outputLocation, but nothing has worked so >> far. >> >> Thanks, >> David >> > > Not sure how to explain what happens there, > or how to really fix it if sticking to jsmol is important. > > If you do the 3D-plotting with three.js however, > the problem goes away. > > This just amounts to adding viewer='threejs' > at the end of the plotting commands: > > ---- > # Trefoil knot tube > t, u = SR.var('t u') > assume(t, u, 'real') > # First define the Trefoil knot spacecurve > r = vector((sin(3 * t), 2 * sin(2 * t) + sin(t), cos(t) - 2 * cos(2 * > t))) > # Next compute the T, N, and B vectors > rp = diff(r, t) > T = rp / rp.norm() > Tp = diff(T, t) > N = Tp / Tp.norm(2) > B = T.cross_product(N) > # Define the function to use for the radius of the circle > radius(t) = 1/2 > # Define the vector function for the surface and plot it > tube = r + radius(t) * cos(u) * N + radius(t) * sin(u) * B > parametric_plot3d(tube, (t, 0, 2 * pi), (u, 0, 2 * pi), > plot_points=[100, 30], aspect_ratio=[1, 1, 1] > viewer='threejs') > ---- > ---- > # The cone > u, v = var('u v') > assume(u, v, 'real') > # Define the surface as a vector function > r = vector((v * cos(u), v * sin(u), v)) > # Plot it > parametric_plot3d(r, (u, 0, 2*pi), (v, 0, 5), aspect_ratio=[1, 1, 1], > viewer='threejs') > ---- >
-- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
