ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Thu, 02 Oct 2014 01:53:42 +0200The boundary of an implicit_plot3d are jittery.https://ask.sagemath.org/question/24370/the-boundary-of-an-implicit_plot3d-are-jittery/ I am making a contour plot in a restricted region using the following commands:
var('x,y,z')
implicit_plot3d((x^2+y^2-.4)*(x^2+z^2-.4)*(z^2+y^2-.4)*(x^2+(y-z)^2/2-.4)*(z^2+(x-y)^2/2-.4)*(y^2+(x-z)^2/2-.4)*(x^2+(y+z)^2/2-.4)*(z^2+(x+y)^2/2-.4)*(y^2+(x+z)^2/2-.4)==1, (x, -3, 3), (y, -3,3), (z, -3,3), color='green', plot_points=100, region=lambda x,y,z: x^2+y^2+z^2<10)
The surface is restricted to a ball, using the region command. This is because I need to illustrate a surface with its boundary meeting the corresponding sphere.
My problem is that some of the boundary cylinders have their border very jittery. They look like a saw. I need them to be smooth, as some others actually are.
I tried using Adaptative=true, without any success. The same problem also applies when I use tachyon to render rather than jmol.
Any suggestions would be welcome.
Thank you
alexgThu, 02 Oct 2014 01:53:42 +0200https://ask.sagemath.org/question/24370/