def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# color bar
by = self.spacingBorders()[0]
for y in range(0, self.height() - 2 * by):
yNorm = float(y) / (self.height() - 2 * by)
color = self.colors[int(yNorm * (len(self.colors) - 1))]
rect = QtCore.QRect(self.borderOffset,
self.height() - by - y, self.colorBarWidth, 1)
painter.fillRect(rect, color)
# base line
xb = self.borderOffset + self.colorBarWidth + self.barSpacing
y0 = self.coordinateTransform.toScreen(
self.coordinateTransform.coord_min)
y1 = self.coordinateTransform.toScreen(
self.coordinateTransform.coord_max)
painter.drawLine(xb, y0, xb, y1)
# tick start
xt = xb + self.tickLength
xtm = xb + self.tickLength / 2
# label start
ls = xt + self.labelSpacing
lh = fm.height()
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xt, y, xb, y)
tick_string = '{0:.{1}f}'.format(tick, digits)
painter.drawText(ls, y + lh / 2 - 2, tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xtm, y, xb, y)
def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# base line
#xb = self.width() - self.borderOffset
#y0 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_min)
#y1 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_max)
#painter.drawLine(1, y0, 1, y1)
# tick start
xt = self.tickLength
xtm = self.tickLength * 2 / 3
# label end
#le = xt - self.labelSpacing
lh = fm.height()
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
painter.setPen(QtGui.QPen(QtCore.Qt.white, 3))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(0, y, xt, y)
tick_string = self.tickFormatter(tick, digits)
#painter.drawText(le - fm.width(tick_string), y + lh / 2 - 2, tick_string)
painter.drawText(xt + self.labelSpacing, y + lh / 2 - 2,
" " + tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
try:
if len(tick.Name) > 5:
painter.setPen(QtGui.QPen(QtCore.Qt.black, 3))
else:
painter.setPen(QtGui.QPen(QtCore.Qt.white, 3))
except:
painter.setPen(QtGui.QPen(QtCore.Qt.white, 1))
painter.drawLine(0, y, xtm, y)
def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# color bar
by = self.spacingBorders()[0]
for y in range(0, self.height() - 2 * by):
yNorm = float(y) / (self.height() - 2 * by)
color = self.colors[int(yNorm * (len(self.colors) - 1))]
rect = QtCore.QRect(self.borderOffset, self.height() - by - y, self.colorBarWidth, 1)
painter.fillRect(rect, color)
# base line
xb = self.borderOffset + self.colorBarWidth + self.barSpacing
y0 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_min)
y1 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_max)
painter.drawLine(xb, y0, xb, y1)
# tick start
xt = xb + self.tickLength
xtm = xb + self.tickLength / 2
# label start
ls = xt + self.labelSpacing
lh = fm.height()
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xt, y, xb, y)
tick_string = '{0:.{1}f}'.format(tick, digits)
painter.drawText(ls, y + lh / 2 - 2, tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xtm, y, xb, y)
def sizeHint(self):
# for vertical scale bar
majorTicks = self.scaleDivision.majorTicks()
fm = QtGui.QFontMetrics(self.font())
# label precision
if len(majorTicks) < 2:
maxLabelWidth = 0
else:
interval = majorTicks[1] - majorTicks[0]
prec = numberPrecision(interval)
digits = max(0, int(-prec))
maxLabelWidth = max([fm.width(self.tickFormatter(tick, digits)) for tick in majorTicks])
return QtCore.QSize(maxLabelWidth + self.tickLength + self.borderOffset + self.labelSpacing, 10)
def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# base line
yb = self.borderOffset
x0 = self.coordinateTransform.toScreen(
self.coordinateTransform.coord_min)
x1 = self.coordinateTransform.toScreen(
self.coordinateTransform.coord_max)
painter.drawLine(x0, yb, x1, yb)
# tick start
yt = yb + self.tickLength
ytm = yb + self.tickLength / 2
# label end
le = yt + self.labelSpacing
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
x = self.coordinateTransform.toScreen(tick)
painter.drawLine(x, yt, x, yb)
tick_string = '{0:.{1}f}'.format(tick, digits)
painter.drawText(x - fm.width(tick_string) / 2, le + fm.height(),
tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
x = self.coordinateTransform.toScreen(tick)
painter.drawLine(x, ytm, x, yb)
def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# base line
xb = self.width() - self.borderOffset
y0 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_min)
y1 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_max)
painter.drawLine(xb, y0, xb, y1)
# tick start
xt = xb - self.tickLength
xtm = xb - self.tickLength / 2
# label end
le = xt - self.labelSpacing
lh = fm.height()
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xt, y, xb, y)
tick_string = self.tickFormatter(tick, digits)
painter.drawText(le - fm.width(tick_string), y + lh / 2 - 2, tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
y = self.height() - self.coordinateTransform.toScreen(tick)
painter.drawLine(xtm, y, xb, y)
def paintEvent(self, event):
painter = QtGui.QPainter(self)
fm = painter.fontMetrics()
# Note: if anti-aliasing is enabled here, then coordinates need to be aligned to half-pixels
# to get true pixel-aligned lines. Without anti-aliasing, integer coordinates are enough.
# painter.setRenderHint(QtGui.QPainter.Antialiasing)
# base line
yb = self.borderOffset
x0 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_min)
x1 = self.coordinateTransform.toScreen(self.coordinateTransform.coord_max)
painter.drawLine(x0, yb, x1, yb)
# tick start
yt = yb + self.tickLength
ytm = yb + self.tickLength / 2
# label end
le = yt + self.labelSpacing
# label precision
majorTicks = self.scaleDivision.majorTicks()
if len(majorTicks) < 2:
interval = 0
else:
interval = majorTicks[1] - majorTicks[0]
precision = numberPrecision(interval)
digits = max(0, int(-precision))
for tick in self.scaleDivision.majorTicks():
# for vertical scale we invert the coordinates
x = self.coordinateTransform.toScreen(tick)
painter.drawLine(x, yt, x, yb)
tick_string = '{0:.{1}f}'.format(tick, digits)
painter.drawText(x - fm.width(tick_string) / 2, le + fm.height(), tick_string)
for tick in self.scaleDivision.minorTicks():
# for vertical scale we invert the coordinates
x = self.coordinateTransform.toScreen(tick)
painter.drawLine(x, ytm, x, yb)
def sizeHint(self):
# for vertical scale bar
majorTicks = self.scaleDivision.majorTicks()
fm = QtGui.QFontMetrics(self.font())
# label precision
if len(majorTicks) < 2:
maxLabelWidth = 0
else:
interval = majorTicks[1] - majorTicks[0]
prec = numberPrecision(interval)
digits = max(0, int(-prec))
maxLabelWidth = max([
fm.width('{0:.{1}f}'.format(tick, digits))
for tick in majorTicks
])
return QtCore.QSize(
self.borderOffset + self.colorBarWidth + self.barSpacing +
self.tickLength + self.labelSpacing + maxLabelWidth, 10)
