def _annotate_centroid(self):
coord = self.shape.centroid
label = Label("\n\rcentroid: " + str(coord), self.charwidth, self.charheight, origin="top-center")
r = rectangle(20, 20)
cr = cross(50, 50)
mark = Group([r, cr, label])
offset(label, coord)
offset(r, coord)
offset(cr, coord)
return mark
def _annotate_center(self):
coord = self.shape.center
label = Label("\n\rcenter: " + str(coord), self.charwidth, self.charheight, origin="top-center")
c = circle(20)
cr = cross(50, 50)
mark = Group([c, cr, label])
offset(label, coord)
offset(c, coord)
offset(cr, coord)
return mark
def _annotate_centroid(self):
coord = self.shape.centroid
label = Label('\n\rcentroid: ' + str(coord),
self.charwidth, self.charheight,
origin = 'top-center')
r = rectangle(20, 20)
cr = cross(50, 50)
mark = Group([r, cr, label])
offset(label, coord)
offset(r, coord)
offset(cr, coord)
return mark
def _annotate_center(self):
coord = self.shape.center
label = Label('\n\rcenter: ' + str(coord),
self.charwidth, self.charheight,
origin = 'top-center')
c = circle(20)
cr = cross(50, 50)
mark = Group([c, cr, label])
offset(label, coord)
offset(c, coord)
offset(cr, coord)
return mark
return Path(plot_points)
## RUN DEMO CODE
if __name__ == "__main__":
from chiplotle.tools import io
from chiplotle.geometry.shapes.group import group
from chiplotle.geometry.shapes.cross import cross
from chiplotle.geometry.transforms.offset import offset
t_base = 4000
points = [(-t_base / 2, 0), (0, t_base * 0.8660), (t_base / 2, 0)]
## a list containing different sets of weights for the middle point
weights = [[1, 1, 1], [1, 2, 1], [1, 0.5, 1], [1, 0, 1], [1, -0.5, 1]]
c = group([])
## draws a cross at each control point
for i in points:
r = cross(100, 100)
offset(r, i)
c.append(r)
## draws the rational bezier curve for each weight set
for w in weights:
b = path_bezier(points, weight=w)
c.append(b)
io.view(c)
def catmull_path(points, interpolation_count=50):
'''Path with Catmull-Rom spline interpolation.'''
path_points = catmull_interpolation(points, interpolation_count)
return Path(path_points)
## DEMO
if __name__ == '__main__':
from chiplotle.tools import io
from chiplotle.geometry.shapes.cross import cross
from chiplotle.geometry.core.group import Group
from chiplotle.geometry.transforms.offset import offset
import random
points = []
for i in range(10):
x, y = random.randint(-100, 100), random.randint(-100, 100)
points.append((x, y))
crosses = []
for point in points:
c = cross(15, 15)
offset(c, point)
crosses.append(c)
path = catmull_path(points)
g = Group([path] + crosses)
io.view(g)
## RUN DEMO CODE
if __name__ == '__main__':
from chiplotle.tools import io
from chiplotle.geometry.shapes.group import group
from chiplotle.geometry.shapes.cross import cross
from chiplotle.geometry.transforms.offset import offset
t_base = 4000
points = [(-t_base/2,0),(0,t_base*0.8660),(t_base/2,0)]
## a list containing different sets of weights for the middle point
weights = [[1,1,1],[1,2,1],[1,0.5,1],[1,0,1],[1,-0.5,1]]
c = group([])
## draws a cross at each control point
for i in points:
r = cross(100,100)
offset(r, i)
c.append(r)
## draws the rational bezier curve for each weight set
for w in weights:
b = path_bezier(points, weight=w)
c.append(b)
io.view(c)
path_points = catmull_interpolation(points, interpolation_count)
return Path(path_points)
## DEMO
if __name__ == '__main__':
from chiplotle.tools import io
from chiplotle.geometry.shapes.cross import cross
from chiplotle.geometry.core.group import Group
from chiplotle.geometry.transforms.offset import offset
import random
points = [ ]
for i in range(10):
x, y = random.randint(-100, 100), random.randint(-100, 100)
points.append((x, y))
crosses = [ ]
for point in points:
c = cross(15, 15)
offset(c, point)
crosses.append(c)
path = catmull_path(points)
g = Group([path] + crosses)
io.view(g)