def path_SER(cls,
ha=-30,
tn=1.5,
ta=-140,
d=-60,
dz=P(0, 0),
before=None,
after=None):
if before:
if before.tail_type == 'NER':
ha = 0
tn = 1.5
d = -60
if after:
if after.head_type in {'SWR', 'S', 'SR', 'SE'}:
ta = 160
elif after.head_type == 'SW':
ta = after.head_angle
elif after.head_type in {'NER'}:
ta = -120
elif after.head_type in {'SEL', 'N'}:
ta = -90
elif before and before.tail_type == 'NER':
ta = -90
return path([
beginknot(0, 0, angle=ha),
tensioncurve(tn),
endknot(*(PP(16, d) + dz), angle=ta)
])
def mypath(knots): # <<<
p = path.path(path.moveto_pt(knots.x_pt, knots.y_pt))
cx, cy = knots.rx_pt, knots.ry_pt
prev = knots
k = knots.next
while not k is knots:
p.append(path.curveto_pt(cx, cy, k.lx_pt, k.ly_pt, k.x_pt, k.y_pt))
cx, cy = k.rx_pt, k.ry_pt
prev = k
k = k.next
if knots.ltype == mp_explicit:
p.append(path.curveto_pt(prev.rx_pt, prev.ry_pt, knots.lx_pt, knots.ly_pt, knots.x_pt, knots.y_pt))
p.append(path.closepath())
return p
def path_NER(cls,
ha=70,
tn=1.7,
ta=0,
d=45,
dz=P(0, 0),
before=None,
after=None):
if before:
if before.tail_type == 'SWR':
ha = 50
d = 35
#elif before.tail_type == 'NW|SWCR1':
# ha = 40
# d = 30
#elif before.tail_type == 'SW':
# ha = before_tail_angle + 170
# d = 30
elif before.tail_type in {'SR'}:
ha = 50
d = 30
dz = P(1, 0)
#else:
# ha = 70
# d = 40
if after:
if after.head_type in {'E', 'ER', 'NE', 'NER'}:
ta = -80
d = 35
elif after.head_type in {'S', 'SW', 'SWR', 'SR', 'NEL'}:
ta = after.head_angle
elif after.head_type in {'SER'}:
ha = 90
ta = 0
tn = 1.5
d = 60
elif after.head_type in {'NEL|SWR'}:
tn = 1.5
td = -40
#else:
# tn = 1.1
# td = 0
return path([
beginknot(0, 0, angle=ha),
tensioncurve(tn),
endknot(*(PP(16, d) + dz), angle=ta)
])
def mypath(knots): # <<<
p = path.path(path.moveto_pt(knots.x_pt, knots.y_pt))
cx, cy = knots.rx_pt, knots.ry_pt
prev = knots
k = knots.next
while not k is knots:
p.append(path.curveto_pt(cx, cy, k.lx_pt, k.ly_pt, k.x_pt, k.y_pt))
cx, cy = k.rx_pt, k.ry_pt
prev = k
k = k.next
if knots.ltype == mp_explicit:
p.append(
path.curveto_pt(prev.rx_pt, prev.ry_pt, knots.lx_pt, knots.ly_pt,
knots.x_pt, knots.y_pt))
p.append(path.closepath())
return p
def interface(): # <<<
c = None
for p in [
# ordinary open path:
mppath.path([
beginknot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(4, 9),
curve(),
knot(1, 7),
curve(),
endknot(3, 5)
], epsilon),
# path containing two open subpaths:
mppath.path([
beginknot(0, 0),
curve(),
endknot(6, 4),
beginknot(4, 9),
curve(),
knot(1, 7),
curve(),
endknot(3, 5)
], epsilon),
# closed path:
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(4, 9),
curve(),
knot(1, 7),
curve(),
knot(3, 5),
curve()
], epsilon),
# open path, but with endpoints in the middle:
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
endknot(4, 9),
beginknot(1, 7),
curve(),
knot(3, 5),
curve()
], epsilon),
# the same path in the right order
mppath.path([
beginknot(1, 7),
curve(),
knot(3, 5),
curve(),
knot(0, 0),
curve(),
knot(6, 4),
curve(),
endknot(4, 9)
], epsilon),
# include a line
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
roughknot(4, 9),
line(),
roughknot(1, 7),
curve(),
knot(3, 5),
curve()
], epsilon),
# XXX the endpoints have "open" at their other sides, not "curl" as in the open example above
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(4, 9),
line(),
knot(1, 7),
curve(),
knot(3, 5),
curve()
], epsilon),
mppath.path(
[knot(0, 0),
curve(),
knot(6, 4),
line(),
knot(3, 5),
curve()], epsilon),
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(3, 5),
curve()
], epsilon),
# TODO the internal mp_make_choices treats this as closed, but the last curve is not plotted:
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(4, 9),
line(),
knot(1, 7),
curve(),
knot(3, 5)
], epsilon),
# include a line with given angles
mppath.path([
knot(0, 0),
curve(),
knot(6, 4),
curve(),
knot(4, 9),
line(keepangles=True),
knot(1, 7),
curve(),
knot(3, 5),
curve()
], epsilon),
# include rough knots
mppath.path([
beginknot(0, 0),
curve(),
roughknot(6, 4, langle=90),
curve(),
roughknot(4, 9, langle=-90),
line(keepangles=True),
roughknot(1, 7, lcurl=3),
curve(),
endknot(3, 5, angle=0)
], epsilon),
]:
cc = canvas.canvas()
cc.stroke(p, [deco.shownormpath(), deco.earrow.normal])
if c is None:
c = cc
else:
c.insert(cc, [
trafo.translate(c.bbox().right() - cc.bbox().left() + 0.5, 0)
])
c.writePDFfile()
c.writeEPSfile()
c.writeSVGfile()
def path_template(cls, ta=90, tn=2.5):
return path([
beginknot(0, 0, angle=-13),
tensioncurve(tn),
endknot(16, 0, angle=ta)
])
def path_template(cls, ta=80, tn=1.7):
return path([
beginknot(0, 0, angle=-18),
tensioncurve(tn),
endknot(8, 0, angle=ta)
])
def interface(): # <<<
c = None
for p in [
# ordinary open path:
mppath.path([beginknot(0,0), curve(), knot(6,4), curve(), knot(4,9), curve(), knot(1,7), curve(), endknot(3,5)], epsilon),
# path containing two open subpaths:
mppath.path([beginknot(0,0), curve(), endknot(6,4), beginknot(4,9), curve(), knot(1,7), curve(), endknot(3,5)], epsilon),
# closed path:
mppath.path([knot(0,0), curve(), knot(6,4), curve(), knot(4,9), curve(), knot(1,7), curve(), knot(3,5), curve()], epsilon),
# open path, but with endpoints in the middle:
mppath.path([knot(0,0), curve(), knot(6,4), curve(), endknot(4,9), beginknot(1,7), curve(), knot(3,5), curve()], epsilon),
# the same path in the right order
mppath.path([beginknot(1,7), curve(), knot(3,5), curve(), knot(0,0), curve(), knot(6,4), curve(), endknot(4,9)], epsilon),
# include a line
mppath.path([knot(0,0), curve(), knot(6,4), curve(), roughknot(4,9), line(), roughknot(1,7), curve(), knot(3,5), curve()], epsilon),
# XXX the endpoints have "open" at their other sides, not "curl" as in the open example above
mppath.path([knot(0,0), curve(), knot(6,4), curve(), knot(4,9), line(), knot(1,7), curve(), knot(3,5), curve()], epsilon),
mppath.path([knot(0,0), curve(), knot(6,4), line(), knot(3,5), curve()], epsilon),
mppath.path([knot(0,0), curve(), knot(6,4), curve(), knot(3,5), curve()], epsilon),
# TODO the internal mp_make_choices treats this as closed, but the last curve is not plotted:
mppath.path([knot(0,0), curve(), knot(6,4), curve(), knot(4,9), line(), knot(1,7), curve(), knot(3,5)], epsilon),
# include a line with given angles
mppath.path([knot(0,0), curve(), knot(6,4), curve(), knot(4,9), line(keepangles=True), knot(1,7), curve(), knot(3,5), curve()], epsilon),
# include rough knots
mppath.path([beginknot(0,0), curve(), roughknot(6,4,langle=90), curve(), roughknot(4,9,langle=-90),
line(keepangles=True), roughknot(1,7,lcurl=3), curve(), endknot(3,5,angle=0)], epsilon),
]:
cc = canvas.canvas()
cc.stroke(p, [deco.shownormpath(), deco.earrow.normal])
if c is None:
c = cc
else:
c.insert(cc, [trafo.translate(c.bbox().right() - cc.bbox().left() + 0.5, 0)])
c.writePDFfile()
c.writeEPSfile()
c.writeSVGfile()
def path_EL(cls, ta=80):
return path([
beginknot(0, 0, angle=-28),
tensioncurve(1.2),
endknot(4, 0, angle=ta)
])
def path_SELnel(cls, ha=-90, tn=1.5, ta=0):
return path([
beginknot(0, 0, angle=ha),
tensioncurve(tn),
endknot(*PP(16, -60), angle=ta)
])
def path_SEL(cls, ha=-90, tn=0.88, ta=0, d=-60, sellen=16, dz=P(0, 0)):
return path([
beginknot(0, 0, angle=ha),
tensioncurve(tn),
endknot(*(PP(sellen, d) + dz), angle=ta)
])
