Hello dear sage users!
I would like to view a 3d plot from a specific viewpoint using tachyon.
For instance
save: var('s')
sage: spiral=parametric_plot3d((cos(s),sin(s),s/8),
(s,-16*pi,16*pi),aspect_ratio=1,plot_points=200)
sage: show(spiral, viewer='tachyon')
shows me a spiral from some default viewpoint. However i would like to
view it "from inside" that is setting the camera center in (0,0,0)
viewing towards (0,0,1). Is this posible?
Using tachyon with something like
sage: t = Tachyon(xres=512,yres=512, camera_center=(0,0,0),
look_at=(0,0,1), raydepth=4)
doesn't allow me to use parametric_plot3d or any other of sage's nice
plotting functions as far as I can see.
Thanks!
Oscar
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