def _tikz_draw(self, style_args='', **kwargs):
self._positions_calculate()
# Note, scale does not scale the font size.
opts = r'scale=%.2f,transform shape,/tikz/circuitikz/bipoles/length=%.2fcm,%s' % (
self.scale, self.cpt_size, style_args)
s = r'\begin{tikzpicture}[%s]' '\n' % opts
help = float(kwargs.pop('help_lines', 0))
if help != 0:
start = Pos(-0.5, -0.5) * self.node_spacing
stop = Pos(self.width + 0.5, self.height + 0.5) * self.node_spacing
s += r'\draw[help lines, blue] (%s) grid [xstep=%s, ystep=%s] (%s);' '\n' % (
start, help, help, stop)
# Write coordinates
for n in self.nodes.values():
s += r' \coordinate (%s) at (%s);' '\n' % (n.s, n.pos)
# Draw components
for m, elt in enumerate(self.elements.values()):
s += elt.draw(**kwargs)
wires = self._make_wires()
s += self._label_nodes(**kwargs)
s += ' ' + kwargs.pop('append', '')
s += r'\end{tikzpicture}' '\n'
return s
def _positions_calculate(self):
self.make_graphs()
xpos, self.width = self.xgraph.analyse()
ypos, self.height = self.ygraph.analyse()
scale = self.node_spacing
for n, node in self.nodes.items():
node.pos = Pos(xpos[n] * scale, ypos[n] * scale)