#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic


def deg(d):
    return (2 * maths.pi) * d / 360


p = pic(scale=2)

tau = 2 * maths.pi
bit = 0.1
tick = 0.05

### label
p.op().text((tau / 2, 1), "sine")

### axes
p.op().line((-bit, 0), (tau + bit, 0))
p.op().line((0, -(1 + bit)), (0, 1 + bit))

### axis ticks and labels
p.op().to_left().below().text((-tick, -tick), r"$0$")
p.op().line((tau / 4, -tick), (tau / 4, 0))
p.op().below().text((tau / 4, -tick), r"$\tau/4$")
Пример #2
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import pic, pypyx_maths

p = pic (scale = 0.25)

o_x = 10
o_y = 10
o = (o_x, o_y)

n = 20

for i in xrange (0, n+1):

	a = pypyx_maths.tau * i / n;
	a2 = a/2

	#print i, a2, a

	sx = o_x + (i + 2) * maths.cos(a2)
	sy = o_y + (i + 2) * maths.sin(a2)

	p.op().arc (o, (sx,sy), a)

p.output_pdf (os.path.splitext(__file__)[0])
Пример #3
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic


def deg(d):
    return (2 * maths.pi) * d / 360


p = pic(scale=2)

tau = 2 * maths.pi

p.op().dashed().smooth_poly_curve([
    (0, 0),
    (tau / 4, 1),
    (tau / 2, 0),
    (3 * tau / 4, -1),
    (tau, 0),
])

p.op().closed().smooth_poly_curve([
    (0, 0),
    (tau / 4, 1),
    (tau / 2, 0),
    (3 * tau / 4, -1),
Пример #4
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic(scale=.15)

x = 0


def pos():
    global x
    x += 1
    return (0, x)


p.op().stroked(colour.red()).text(pos(), 'red')
p.op().stroked(colour.orange()).text(pos(), 'orange')
p.op().stroked(colour.yellow()).text(pos(), 'yellow')
p.op().stroked(colour.lime()).text(pos(), 'lime')
p.op().stroked(colour.green()).text(pos(), 'green')
p.op().stroked(colour.cyan()).text(pos(), 'cyan')
p.op().stroked(colour.blue()).text(pos(), 'blue')
p.op().stroked(colour.magenta()).text(pos(), 'magenta')
p.op().stroked(colour.white()).text(pos(), 'white')
p.op().stroked(colour.black()).text(pos(), 'black')
Пример #5
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic (scale = 4.0)

r2 = maths.sqrt(2)

o = (0, 0)
x = (r2, 0)
y = (0, 1)
xy = (r2, 1)

p.op().stroked(colour.light_grey()).circle ((r2/2, 1/2), maths.sqrt(3) / 2)

p.op().dotted().line (o, x)
p.op().stroked('blue').line (o, y)
p.op().styled('dashed red').line (y, xy)
p.op().line (x, xy)

p.op().text ((r2/2, 1/2), 'A4')

p.output_pdf (os.path.splitext(__file__)[0])
Пример #6
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import pic, pypyx_maths

p = pic(scale=0.25)

o_x = 10
o_y = 10
o = (o_x, o_y)

n = 20

for i in xrange(0, n + 1):

    a = pypyx_maths.tau * i / n
    a2 = a / 2

    #print i, a2, a

    sx = o_x + (i + 2) * maths.cos(a2)
    sy = o_y + (i + 2) * maths.sin(a2)

    p.op().arc(o, (sx, sy), a)

p.output_pdf(os.path.splitext(__file__)[0])
Пример #7
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic(scale=4.0)

r2 = maths.sqrt(2)

o = (0, 0)
x = (r2, 0)
y = (0, 1)
xy = (r2, 1)

p.op().stroked(colour.light_grey()).circle((r2 / 2, 1 / 2), maths.sqrt(3) / 2)

p.op().dotted().line(o, x)
p.op().stroked('blue').line(o, y)
p.op().styled('dashed red').line(y, xy)
p.op().line(x, xy)

p.op().text((r2 / 2, 1 / 2), 'A4')

p.output_pdf(os.path.splitext(__file__)[0])
Пример #8
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic (scale = .15)

x = 0

def pos ():
	global x
	x += 1
	return (0, x)

p.op().stroked(colour.red()).text (pos(), 'red')
p.op().stroked(colour.orange()).text (pos(), 'orange')
p.op().stroked(colour.yellow()).text (pos(), 'yellow')
p.op().stroked(colour.lime()).text (pos(),'lime')
p.op().stroked(colour.green()).text (pos(), 'green')
p.op().stroked(colour.cyan()).text (pos(), 'cyan')
p.op().stroked(colour.blue()).text (pos(), 'blue')
p.op().stroked(colour.magenta()).text (pos(), 'magenta')
p.op().stroked(colour.white()).text (pos(), 'white')
p.op().stroked(colour.black()).text (pos(), 'black')

p.op().stroked(colour.purple()).text (pos(), 'purple')
p.op().stroked(colour.brown()).text (pos(), 'brown')
Пример #9
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic (scale = 1)

num_pts = 5
step = 2
r = 0.5

tau = 2 * maths.pi
pts = []

for idx in xrange(0, num_pts):
	a = tau * idx * step / num_pts
	x = r * maths.sin(a)
	y = r * maths.cos(a)

	pts.append ((x, y))

p.op().parity_winding().filled(colour.grey(0.5)).closed().poly_line (
		pts
	)

p.output_pdf (os.path.splitext(__file__)[0])
Пример #10
0
#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import division

import math as maths
import os
from pypyx.pypyx import colour, pic

p = pic(scale=1)

num_pts = 5
step = 2
r = 0.5

tau = 2 * maths.pi
pts = []

for idx in xrange(0, num_pts):
    a = tau * idx * step / num_pts
    x = r * maths.sin(a)
    y = r * maths.cos(a)

    pts.append((x, y))

p.op().parity_winding().filled(colour.grey(0.5)).closed().poly_line(pts)

p.output_pdf(os.path.splitext(__file__)[0])