def write(self, filename='schematic'):
schpath = self.place(0, 0)
for cdev, devpath in enumerate(schpath):
for clay, laypath in enumerate(devpath):
laypath, laybbox, laytext = laypath
laybbox_path = laybbox.to_path()
laycanv = pyxcanvas.canvas([pyxcanvas.clip(laybbox_path)])
for cfea, feapath in enumerate(laypath):
feapath, color, stroke_color = feapath
laycanv.fill(feapath, [color])
if stroke_color is None:
laycanv.stroke(feapath, [stroke_color])
if laytext != '':
xc = (laybbox.x1 + laybbox.x2) / 2
yc = (laybbox.y1 + laybbox.y2) / 2
t = text.Text(laytext, scale=2)
laycanv.text(xc, yc, t)
self.canvas.insert(laycanv)
self.canvas.writeEPSfile(filename)
def labels(self, ticks):
labeledticks = []
for tick in ticks:
if tick.label is None and tick.labellevel is not None:
labeledticks.append(tick)
tick.temp_rationalnum = tick.num
tick.temp_rationaldenom = tick.denom
tick.temp_rationalminus = 1
if tick.temp_rationalnum < 0:
tick.temp_rationalminus = -tick.temp_rationalminus
tick.temp_rationalnum = -tick.temp_rationalnum
if tick.temp_rationaldenom < 0:
tick.temp_rationalminus = -tick.temp_rationalminus
tick.temp_rationaldenom = -tick.temp_rationaldenom
gcd = self.gcd(tick.temp_rationalnum, tick.temp_rationaldenom)
(tick.temp_rationalnum, dummy1), (tick.temp_rationaldenom, dummy2) = divmod(tick.temp_rationalnum, gcd), divmod(tick.temp_rationaldenom, gcd)
if self.equaldenom:
equaldenom = self.lcm(*[tick.temp_rationaldenom for tick in ticks if tick.label is None])
if equaldenom is not None:
for tick in labeledticks:
factor, dummy = divmod(equaldenom, tick.temp_rationaldenom)
tick.temp_rationalnum, tick.temp_rationaldenom = factor * tick.temp_rationalnum, factor * tick.temp_rationaldenom
for tick in labeledticks:
rationalminus = rationalnumminus = rationaldenomminus = ""
if tick.temp_rationalminus == -1:
plusminus = self.minus
else:
plusminus = self.plus
if self.minuspos == 0:
rationalminus = plusminus
elif self.minuspos == 1:
rationalnumminus = plusminus
elif self.minuspos == -1:
rationaldenomminus = plusminus
else:
raise RuntimeError("invalid minuspos")
if self.skipnum0 and tick.temp_rationalnum == 0:
tick.label = "0"
elif (self.skip1 and self.skipdenom1 and tick.temp_rationalnum == 1 and tick.temp_rationaldenom == 1 and
(len(self.prefix) or len(self.infix) or len(self.suffix)) and
not len(rationalnumminus) and not len(self.numprefix) and not len(self.numinfix) and not len(self.numsuffix) and
not len(rationaldenomminus) and not len(self.denomprefix) and not len(self.denominfix) and not len(self.denomsuffix)):
tick.label = "%s%s%s%s" % (self.prefix, rationalminus, self.infix, self.suffix)
else:
if self.skipnum1 and tick.temp_rationalnum == 1 and (len(self.numprefix) or len(self.numinfix) or len(self.numsuffix)):
tick.temp_rationalnum = "%s%s%s%s" % (self.numprefix, rationalnumminus, self.numinfix, self.numsuffix)
else:
tick.temp_rationalnum = "%s%s%s%i%s" % (self.numprefix, rationalnumminus, self.numinfix, tick.temp_rationalnum, self.numsuffix)
if self.skipdenom1 and tick.temp_rationaldenom == 1 and not len(rationaldenomminus) and not len(self.denomprefix) and not len(self.denominfix) and not len(self.denomsuffix):
tick.label = "%s%s%s%s%s" % (self.prefix, rationalminus, self.infix, tick.temp_rationalnum, self.suffix)
else:
tick.temp_rationaldenom = "%s%s%s%i%s" % (self.denomprefix, rationaldenomminus, self.denominfix, tick.temp_rationaldenom, self.denomsuffix)
tick.label = text.MultiEngineText("%s%s%s%s%s" % (self.prefix, rationalminus, self.infix, self.over % (tick.temp_rationalnum, tick.temp_rationaldenom), self.suffix),
["%s%s%s" % (self.prefix, rationalminus, self.infix)] + [text.StackedText([text.Text(tick.temp_rationalnum, shift=0.3), text.Text(tick.temp_rationaldenom, shift=-0.9)], frac=True, align=0.5)] + [self.suffix])
tick.labelattrs = tick.labelattrs + self.labelattrs
def labels(self, ticks):
labeledticks = []
for tick in ticks:
if tick.label is None and tick.labellevel is not None:
labeledticks.append(tick)
tick.labelattrs = tick.labelattrs + self.labelattrs
if tick.num:
# express tick = tick.temp_sign * tick.temp_mantissa * self.base ** tick.temp_exponent with 1 <= temp_mantissa < self.base
# and decide whether a tick is to be written in exponential notation
tick.temp_sign = 1 if tick >= 0 else -1
tick.temp_mantissa = abs(Fraction(tick.num, tick.denom))
tick.temp_exponent = 0
while tick.temp_mantissa >= self.base:
tick.temp_exponent += 1
tick.temp_mantissa /= self.base
while tick.temp_mantissa < 1:
tick.temp_exponent -= 1
tick.temp_mantissa *= self.base
tick.temp_wantexponent = not (-self.minnegexponent < tick.temp_exponent < self.minexponent)
else:
tick.temp_mantissa = tick.temp_exponent = 0
tick.temp_sign = 1
tick.temp_wantexponent = not (-self.minnegexponent < 0 < self.minexponent)
# make decision on exponential notation uniform if requested
if self.uniformexponent and any(tick.temp_wantexponent for tick in labeledticks):
for tick in labeledticks:
if tick.num:
tick.temp_wantexponent = True
# mark mantissa == 1 to be not labeled
if self.skipmantissaunity == skipmantissaunity.each:
for tick in labeledticks:
if tick.temp_wantexponent and tick.temp_mantissa == 1:
tick.temp_mantissa = None
elif self.skipmantissaunity == skipmantissaunity.all and all(tick.temp_mantissa == 1 for tick in labeledticks if tick.temp_wantexponent):
for tick in labeledticks:
if tick.temp_wantexponent:
tick.temp_mantissa = None
# construct labels
basetick = Tick(self.base, labellevel=0)
self.basetexter.labels([basetick])
for tick in labeledticks:
if tick.temp_wantexponent:
if tick.temp_mantissa is not None:
tick.temp_mantissatick = Tick(tick.temp_sign * tick.temp_mantissa, labellevel=0)
tick.temp_exponenttick = Tick(tick.temp_exponent, labellevel=0)
else:
tick.temp_mantissatick = tick
self.mantissatexter.labels([tick.temp_mantissatick for tick in labeledticks if tick.temp_mantissa is not None])
self.exponenttexter.labels([tick.temp_exponenttick for tick in labeledticks if tick.temp_wantexponent])
for tick in labeledticks:
if tick.temp_wantexponent:
if tick.temp_mantissa is not None:
mantissalabel_tex = tick.temp_mantissatick.label + self.multiplication_tex
mantissalabel_unicode = tick.temp_mantissatick.label + self.multiplication_unicode
else:
mantissalabel_tex = self.minusunity if tick.temp_sign == -1 else ""
mantissalabel_unicode = self.minusunity if tick.temp_sign == -1 else ""
tick.label = text.MultiEngineText("%s%s^{%s}" % (mantissalabel_tex, basetick.label, tick.temp_exponenttick.label), [mantissalabel_unicode + basetick.label, text.Text(tick.temp_exponenttick.label, scale=0.8, shift=0.5)])