On 7/25/13 10:58 AM, William Stein wrote:
On Thu, Jul 25, 2013 at 9:16 AM, davidp <davide...@gmail.com> wrote:
I am using Sage to plot an arrangement of planes in 3-space. Each plane has
its own color, and I would like a legend in the plot that associates the
equation of each plane with its color. This experiment seems to indicate
that legends are not available for 3d graphics:
---------------------------------------------------------------------------
sage: p = plot3d(x^2,(x,-1,1),(y,-1,1),legend_label='0')
sage: q = plot3d(x^2+y^2,(x,-1,1),(y,-1,1),legend_label='1')
sage: c = p+q
sage: c.legend(true)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-28-744abb0d6c3b> in <module>()
----> 1 c.legend(true)
AttributeError: 'Graphics3dGroup' object has no attribute 'legend'
---------------------------------------------------------------------------
As I rotate the 3d-object, I would like for the legend would stay in one
place.
Any suggestions?
This won't help you today, but an REU student -- Renford Alexander --
is working fulltime right now on Three.js-based 3d graphics rendering
for https://cloud.sagemath.com. He showed me some demos yesterday of
drawing text in 3d, the looked pretty useful. In particular, he draws
arbitrary text on a 2d html5 canvas, then puts the canvas element in
the 3d scenes as a "sprite". This functionality should come to
https://cloud.sagemath.com within a month, hopefully.
I'm curious: is his code being pushed out somewhere public?
Jason
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