On Jan 14, 2008 2:20 PM, photonn <[EMAIL PROTECTED]> wrote: > > William, > > In this particular case, having control over the camera and lights was > key in getting a decent looking image. The process was much like > photography. I fiddled with the lights for a good half hour to get > what I was looking for. My goal, in the end, was to create some > reasonably professional-looking marketing material.
You succeeded. The current 3d code I was talking about doesn't help at all *yet* with lights, unfortunately. However it should in the future. > I will look into the new method once I upgrade my sage installation. > I am still on 2.8.15 :) and I might not upgrade until 2.10.x > > On Jan 13, 12:10am, "William Stein" <[EMAIL PROTECTED]> wrote: > > > On 1/11/08, Timothy Clemans <[EMAIL PROTECTED]> wrote: > > > > > > > > > Could you make the Sage interface to Tachyon have a right handed > > > coordinate system instead of a left one? > > > > It is much better to use the new 3d graphics, which is right handed > > and supports tachyon output. You can see the primitives we > > support so far by doing: > > > > sage: import sage.plot.plot3d.all as p > > sage: p. > > p.arrow3d p.line3d p.plot3d p.tetrahedron > > p.cube p.list_plot3d p.plot3d_adaptive > > p.dodecahedron p.octahedron p.point3d > > p.icosahedron p.parametric_plot3d p.sphere > > > > If you make any 3d plot you can view it using tachyon by > > using the viewer='tachyon' option: > > > > sage: P = plot3d(lambda x, y: x^2 + y^2, (-2,2), (-2,2)) > > sage: P.show(viewer='tachyon', figsize=10) > > > > This does not yet give you the full functionality of tachyon, e.g., > > placement of lights, changing of viewpoint, etc. It would be > > nice to have some additional help in implementing 3d primitives... > > We made a good start with the above list of commands, but > > much remains to be done. > > > > > On Jan 11, 12:34 pm, photonn <[EMAIL PROTECTED]> wrote: > > > > I did not think of this earlier, but if you would change the > > > > resolution in the first line from 1000 x 800 to 1024 x 768, the result > > > > would be a perfect desktop background. Of course, you could make them > > > > at any resolution by changing those numbers. > > > > > > My main motivation was to add to the sage marketing material. I think > > > > this version of the logo is really pretty good (the word sage with the > > > > a and g connected, hinting at an infinity symbol). > > > > > > I just wish the co-ordinate system in Tachyon was right-handed!!! Man > > > > it is tedious to work in a left-handed system. > > > > -- > > William Stein > > Associate Professor of Mathematics > > University of Washingtonhttp://wstein.org > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-forum URLs: http://sage.math.washington.edu/sage/ and http://sage.scipy.org/sage/ -~----------~----~----~----~------~----~------~--~---
