def draw_wedge(self, head, tail, color):
width = self.displaymlb * 0.2
tmpl = '<polygon points="{}" fill="{}" />\n'
t1 = m_seg(tail, head, math.pi / -2, width / 2)[0]
t2 = m_seg(tail, head, math.pi / 2, width / 2)[0]
ptext = ' '.join(['{},{}'.format(
round(x, 2), round(y, 2)) for x, y in (head, t1, t2)])
self._elems.append(tmpl.format(ptext, color))
def _draw_wedge(self, head, tail, width, color=(0, 0, 0)):
chead = self._convert(head)
ctail = self._convert(tail)
b1 = m_seg(ctail, chead, math.pi / -2, width / 2)[0]
b2 = m_seg(ctail, chead, math.pi / 2, width / 2)[0]
ps = (chead, b1, b2)
polygon = QtGui.QPolygonF()
for ver in ps:
polygon.append(QtCore.QPointF(*ver))
pen = QtGui.QPen(QtGui.QColor(*color), 1, QtCore.Qt.SolidLine)
self.painter.setPen(pen)
self.painter.setBrush(QtGui.QColor(*color))
self.painter.drawPolygon(polygon)
def draw_dashed_wedge(self, head, tail, color):
width = self.displaymlb * 0.2
t1 = m_seg(tail, head, math.pi / -2, width / 2)[0]
t2 = m_seg(tail, head, math.pi / 2, width / 2)[0]
step_num = 7
for i in range(step_num):
step = distance(head, tail) / step_num * i
trim = 1 / step_num * i
tp1, tp2 = p_seg(t1, t2, True, step, trim)
tpx, tpy = [tuple(p) for p in zip(tp1, tp2)]
self.ax.add_line(mpl.lines.Line2D(
tpx, tpy, c=color, lw=1.5, clip_on=False
))
def draw_wave_line(self, p1, p2, color):
width = self.displaymlb * 0.2
tmpl = '<polyline points="{}" stroke="{}" fill="none" />\n'
s1 = m_seg(p1, p2, math.pi / -2, width / 2)
s2 = m_seg(p1, p2, math.pi / 2, width / 2)
ps = [p1]
for i, s in enumerate((s1, s2, s1, s2, s1, s2)):
p = scale(s[1], (i + 1) / 7, s[0])
ps.append(p)
ps.append(p2)
ptext = ' '.join(['{},{}'.format(
round(x, 2), round(y, 2)) for x, y in ps])
self._elems.append(tmpl.format(ptext, color))
def draw_dashed_wedge(self, head, tail, color):
width = self.displaymlb * 0.2
tmpl = '<line x1="{}" y1="{}" x2="{}" y2="{}" stroke="{}" />\n'
t1 = m_seg(tail, head, math.pi / -2, width / 2)[0]
t2 = m_seg(tail, head, math.pi / 2, width / 2)[0]
step_num = 7
for i in range(step_num):
step = distance(head, tail) / step_num * i
trim = 1 / step_num * i
tp1, tp2 = p_seg(t1, t2, True, step, trim)
self._elems.append(
tmpl.format(round(tp1[0], 2), round(tp1[1], 2),
round(tp2[0], 2), round(tp2[1], 2), color))
def _draw_wave_line(self, pos1, pos2, width, color=(0, 0, 0)):
cpos1 = self._convert(pos1)
cpos2 = self._convert(pos2)
b1 = m_seg(cpos1, cpos2, math.pi / -2, width / 2)
b2 = m_seg(cpos1, cpos2, math.pi / 2, width / 2)
path = QtGui.QPainterPath()
path.moveTo(*cpos1)
for i, b in enumerate([b1, b2, b1, b2, b1, b2]):
p = scale(b[1], (i + 1) / 7, b[0])
path.lineTo(*p)
path.lineTo(*cpos2)
pen = QtGui.QPen(QtGui.QColor(*color), 1, QtCore.Qt.SolidLine)
self.painter.setPen(pen)
self.painter.drawPath(path)
def _draw_dashed_wedge(self, head, tail, width, color=(0, 0, 0)):
chead = self._convert(head)
ctail = self._convert(tail)
b1 = m_seg(ctail, chead, math.pi / -2, width / 2)[0]
b2 = m_seg(ctail, chead, math.pi / 2, width / 2)[0]
pen = QtGui.QPen(QtGui.QColor(*color), 1, QtCore.Qt.SolidLine)
self.painter.setPen(pen)
step_num = 6
# TODO: adjust step number
for i in range(step_num):
step = distance(chead, ctail) / step_num * i
trim = 1 / step_num * i
bp1, bp2 = p_seg(b1, b2, True, step, trim)
qp1 = QtCore.QPointF(*bp1)
qp2 = QtCore.QPointF(*bp2)
self.painter.drawLine(qp1, qp2)
def draw_wave_line(self, pos1, pos2, color):
width = self.displaymlb * 0.2
s1 = m_seg(pos1, pos2, math.pi / -2, width / 2)
s2 = m_seg(pos1, pos2, math.pi / 2, width / 2)
codes = [mpl.path.Path.MOVETO]
vers = [pos1]
for i, s in enumerate((s1, s2, s1, s2, s1, s2)):
p = scale(s[1], (i + 1) / 7, s[0])
codes.append(mpl.path.Path.LINETO)
vers.append(p)
codes.append(mpl.path.Path.LINETO)
vers.append(pos2)
path = mpl.path.Path(vers, codes)
self.ax.add_patch(mpl.patches.PathPatch(
path, fc="None", ec=color, lw=1.5, clip_on=False
))
def test_move_seg(self):
p1 = (1, 1)
p2 = (2, 2)
seg = gm.m_seg(p1, p2, math.pi / -2, math.sqrt(2) / 2)
self.assertEqual(seg, ((1.5, 0.5), (2.5, 1.5)))