Thanks. I've seen some of that, but it looks like they use the upper
half-plane model for visualization (while my preference is for Poincare
disk). Also, I want to do other geometric constructions/visualizations in
Sage (see attached pics) for which commands to create segments, then get
I need same packages that Ed asked for.
Nowadays I do geometry coding myself basic functions in SAGE worksheets (to
do intersection of lines etc).
I do this using the Rational Trigonometry philosophy :-)..see njwilderger
youtube videos and book.
Previously I played a little with Tex tools
We do have convex hull and lines. What would be lacking for your
application are discs and their intersection with polyhedra.
sage: line = Polyhedron(vertices=[(0,-1)], lines=[(1,1)])
sage: (triangle line).vertices()
(A vertex at (8/5, 3/5), A vertex at (3/2, 1/2))
On Thursday, April 24, 2014
Glad to see this has gained some traction. Here is an illustration of the
immediate issue for which this would have been helpful. I wanted to produce
an illustration explaining lines in the hyperbolic plane using the Poincare
disk model. It's the arc of a circle whose end points are on a given
A certain amount of work on adding functionality for hyperbolic geometry to
Sage has been done in recent years, see here:
http://trac.sagemath.org/ticket/9439
There seem to be several different implementations by different authors; I
am not sure about the status of all this work and how much
On Tuesday, April 22, 2014 4:43:43 PM UTC+1, tdumont wrote:
I am in 6.1.1; as far as as know, I have built sage from source, using
the system Atlas blasand I have just upgraded from Ubuntu 13.10 to
14.04. Could the problem be here?
most likely, you switched out the system ATLAS
On Tuesday, April 22, 2014 4:43:43 PM UTC+1, tdumont wrote:
I am in 6.1.1; as far as as know, I have built sage from source, using
the system Atlas blasand I have just upgraded from Ubuntu 13.10 to
14.04. Could the problem be here?
most likely, you switched out the system ATLAS
Volker Braun wrote:
On Tuesday, April 22, 2014 4:43:43 PM UTC+1, tdumont wrote:
I am in 6.1.1; as far as as know, I have built sage from source, using
the system Atlas blasand I have just upgraded from Ubuntu 13.10 to
14.04. Could the problem be here?
most likely, you switched
On Sunday, April 20, 2014 12:46:39 PM UTC-7, Ed Scheinerman wrote:
Does Sage have, or is there a package I can add, that implements basic
plane geometry objects and operations. The sort of thing I'd like to do is,
given two points, construct the line that contains them. Or given two
Le 22/04/2014 18:33, leif a écrit :
Volker Braun wrote:
On Tuesday, April 22, 2014 4:43:43 PM UTC+1, tdumont wrote:
I am in 6.1.1; as far as as know, I have built sage from source,
using
the system Atlas blasand I have just upgraded from Ubuntu
13.10 to
14.04. Could the problem
On 2014-04-20, Ed Scheinerman edward.scheiner...@gmail.com wrote:
Does Sage have, or is there a package I can add, that implements basic
plane geometry objects and operations. The sort of thing I'd like to do is,
given two points, construct the line that contains them. Or given two
circles,
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