def cookieExample():
# construct a christmas cookie with the help of the shapes
star = Star(radius=2.0, center=(1.0, 3.0), beams=5, iradius=1.4)
circle = Circle(radius=1.0, center=(1.0, 3.0), points=64)
cookie = star-circle
# shift star and circle to the right to plot all polygons
# on one page
star.shift(5.0, 0.0)
circle.shift(10.0, 0.0)
# plot all three to an svg file
writeSVG('Cookie.svg', (cookie, star, circle))
# break a polygon object into a list of polygons by arranging
# it on tiles
# tile into 3x3 parts
plist = tileEqual(cookie, 3, 3)
writeSVG('CookieTiled1.svg', plist)
# test tile at x = 0.3, 0.5 and y = 2.7, 3.1
plist = tile(cookie, [0.3, 0.5], [2.7, 3.1])
writeSVG('CookieTiled2.svg', plist)
# let's simulate an explosion, move all parts away
# from the cookie's center, small parts are faster
xc, yc = cookie.center()
for p in plist:
if p:
# speed/distance
dval = 0.1 / p.area()
x, y = p.center()
# move the part a little bit
p.shift(dval*(x-xc), dval*(y-yc))
# and rotate it slightly ;-)
p.rotate(0.2*math.pi*(random.random()-0.5))
writeSVG('CookieExploded.svg', plist)
def cookieExample():
# construct a christmas cookie with the help of the shapes
star = Star(radius=2.0, center=(1.0, 3.0), beams=5, iradius=1.4)
circle = Circle(radius=1.0, center=(1.0, 3.0), points=64)
cookie = star - circle
# shift star and circle to the right to plot all polygons
# on one page
star.shift(5.0, 0.0)
circle.shift(10.0, 0.0)
# plot all three to an svg file
writeSVG('Cookie.svg', (cookie, star, circle))
# break a polygon object into a list of polygons by arranging
# it on tiles
# tile into 3x3 parts
plist = tileEqual(cookie, 3, 3)
writeSVG('CookieTiled1.svg', plist)
# test tile at x = 0.3, 0.5 and y = 2.7, 3.1
plist = tile(cookie, [0.3, 0.5], [2.7, 3.1])
writeSVG('CookieTiled2.svg', plist)
# let's simulate an explosion, move all parts away
# from the cookie's center, small parts are faster
xc, yc = cookie.center()
for p in plist:
if p:
# speed/distance
dval = 0.1 / p.area()
x, y = p.center()
# move the part a little bit
p.shift(dval * (x - xc), dval * (y - yc))
# and rotate it slightly ;-)
p.rotate(0.2 * math.pi * (random.random() - 0.5))
writeSVG('CookieExploded.svg', plist)
def testLargeOperations(self):
sheet = Rectangle(1000, 500)
perf = cloneGrid(Circle(0.5, points=32), 0, 200, 100, 5, 5)
perfSheet = sheet - perf
#print 'perfSheet has %d points in %d contours' % (perfSheet.nPoints(), len(perfSheet))
circle = Circle(400, points=512)
circle.scale(1.0, 0.5)
circle.shift(500, 250)
perfCircle = circle & perfSheet
#print 'perfCircle has %d points in %d contours' % (perfCircle.nPoints(), len(perfCircle))
perfCircle.write('perfcircle.gpf')
def operationsExample():
print('### Operations')
# create a circle with a hole
p1 = Circle(1.0) - Circle(0.5)
# create a square
p2 = Rectangle(0.7)
# shift the square a little bit
p2.shift(0.25, 0.35)
plist = [p1, p2]
slist = ['p1', 'p2']
# addition, the same as logical OR (p1 | p2)
p = p1 + p2
p.shift(2.5, 0.0)
plist.append(p)
slist.append('p1 + p2 (OR)')
# subtraction
p = p1 - p2
p.shift(5.0, 0.0)
plist.append(p)
slist.append('p1 - p2')
# subtraction
p = p2 - p1
p.shift(7.5, 0.0)
plist.append(p)
slist.append('p2 - p1')
# logical AND
p = p2 & p1
p.shift(10.0, 0.0)
plist.append(p)
slist.append('p2 AND p1')
# logical XOR
p = p2 ^ p1
p.shift(12.5, 0.0)
plist.append(p)
slist.append('p2 XOR p1')
# draw the results of the operations
writeSVG('Operations.svg',
plist,
width=800,
labels=slist,
labels_centered=True)
def gridExample():
starGrid = cloneGrid(Star(beams=5), 0, 20, 20, 4, 4)
starGrid.shift(-50, -50)
cookie = Star(radius=30.0, beams=5, iradius=20.0) - Circle(radius=15.0)
starCookie = cookie - starGrid
writeSVG('StarCookie.svg', (starCookie,))
if hasPDFExport:
writePDF('StarCookie.pdf', (starCookie,))
def testLargeOperations(self):
sheet = Rectangle(1000, 500)
perf = cloneGrid(Circle(0.5, points=32), 0, 200, 100, 5, 5)
perfSheet = sheet - perf
circle = Circle(400, points=512)
circle.scale(1.0, 0.5)
circle.shift(500, 250)
perfCircle = circle & perfSheet
perfCircle.write('perfcircle.gpf', )
c, h, p, hf = gpfInfo('perfcircle.gpf')
self.assertEqual(c, len(perfCircle))
self.assertEqual(p, perfCircle.nPoints())
self.assertEqual(hf, True)
def operationsExample():
# create a circle with a hole
p1 = Circle(1.0) - Circle(0.5)
# create a square
p2 = Rectangle(0.7)
# shift the square a little bit
p2.shift(0.25, 0.35)
plist = [p1, p2]
# addition, the same as logical OR (p1 | p2)
p = p1 + p2
p.shift(2.5, 0.0)
plist.append(p)
# subtraction
p = p1 - p2
p.shift(5.0, 0.0)
plist.append(p)
# subtraction
p = p2 - p1
p.shift(7.5, 0.0)
plist.append(p)
# logical AND
p = p2 & p1
p.shift(10.0, 0.0)
plist.append(p)
# logical XOR
p = p2 ^ p1
p.shift(12.5, 0.0)
plist.append(p)
# draw the results of the operations
writeSVG('Operations.svg', plist, width=800)
def point_to_poly(self, point, belief, overloadw=None):
"""
Translates a (lat, lon) point into a circular polygon of 0.1 degree radius.
:param point: The (lat, lon) point to get a polygon around.
:type point: tuple
:param belief: Value in [0, 1] of how confident the estimation is.
:type belief: float
:param overloadw: *(optional)* If `None` will use normal weight, otherwise
can override the weight of the indicator.
:type overloadw: float
:return:
"""
circle = Circle(0.1, point)
return pointList(circle), self.get_weight(belief, overloadw)
def setUp(self):
star = Star(radius=2.0, center=(1.0, 3.0), beams=5, iradius=1.4)
circle = Circle(radius=1.0, center=(1.0, 3.0), points=64)
self.cookie = star-circle
self.cont = [(0.0, 0.0), (2.0, 1.0), (1.0, 0.0), (-2.0, 1.0), (0.0, 0.0)]
def gnuplotExample():
cookie = Star(radius=2.0, center=(1.0, 3.0), beams=5, iradius=1.4) \
- Circle(radius=1.0, center=(1.0, 3.0))
writeGnuplot('cookie.gp', (cookie,))
writeGnuplotTriangles('cookieTri.gp', (cookie,))
def xmlExample():
cookie = Star(radius=2.0, center=(1.0, 3.0), beams=5, iradius=1.4) \
- Circle(radius=1.0, center=(1.0, 3.0))
writeXML('cookie.xml', (cookie,), withHeader=True)
p = readXML('cookie.xml')
from Polygon import *
from Polygon.Shapes import Circle, Star, Rectangle
from Polygon.IO import writeSVG
p = Circle(5.5, points=128)
p -= Circle(4.4, points=128)
p += Circle(3.3, points=128)
p -= Circle(2.2, points=128)
p += Star(1.1)
l = Rectangle(4, 14)
l.shift(-4.3, -10.5)
r = p ^ l
writeSVG('logo.svg', [r], width=800)
