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@williamstein
williamstein / gist:7386062
Created November 9, 2013 14:30
Making a 3d animation in the Sagemath Cloud http://youtu.be/lhirRHCW1q0
%time
filename_pattern = '/tmp/plt-%04d.png'
@parallel
def frame(n, filename):
t = Tachyon(xres=800,yres=800, camera_center=(2,5,2), look_at=(2.5,0,0), antialiasing=True)
t.light((0,0,100), 1, (1,1,1))
t.texture('r', ambient=0.1, diffuse=0.9, specular=0.5, opacity=1.0, color=(1,0,0))
for i in range(n):
@williamstein
williamstein / cloud-ipython.coffee
Created October 12, 2013 22:17
This is the code I wrote as part of https://cloud.sagemath.com in order to integrate IPython notebooks into my existing document synchronization infrastructure. It's CoffeeScript code that isn't meant to be run-able (I just copied it out of a bigger file). I just thought there could be some value in making this available under a BSD license, sin…
###############################################################################
# Copyright (c) 2013, William Stein
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
@williamstein
williamstein / tofile cell decorator
Created September 19, 2013 22:01
Load this then put "%default_mode tofile" in a cloud.sagemath worksheet.
def tofile(s):
maxout=500
import uuid
filename = str(uuid.uuid4()) +'.log'
o = open(filename,'w')
stdout = sys.stdout
class Stdout:
def __init__(self):
self.t = 0
def f(n):
return n * n
def f(n):
return n * n
def foo(n):
return n*n + 1