PlotItem.showValues fixed (was not implemented before).
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JosefNevrly
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c8f03e828e
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22ecd3cc41
@ -775,92 +775,92 @@ class AxisItem(GraphicsWidget):
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textSize2 = 0
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textRects = []
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textSpecs = [] ## list of draw
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textSize2 = 0
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for i in range(len(tickLevels)):
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## Get the list of strings to display for this level
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if tickStrings is None:
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spacing, values = tickLevels[i]
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strings = self.tickStrings(values, self.autoSIPrefixScale * self.scale, spacing)
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else:
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strings = tickStrings[i]
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if len(strings) == 0:
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continue
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## ignore strings belonging to ticks that were previously ignored
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for j in range(len(strings)):
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if tickPositions[i][j] is None:
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strings[j] = None
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## Measure density of text; decide whether to draw this level
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rects = []
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for s in strings:
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if s is None:
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rects.append(None)
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if self.showValues:
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for i in range(len(tickLevels)):
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## Get the list of strings to display for this level
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if tickStrings is None:
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spacing, values = tickLevels[i]
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strings = self.tickStrings(values, self.autoSIPrefixScale * self.scale, spacing)
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else:
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br = p.boundingRect(QtCore.QRectF(0, 0, 100, 100), QtCore.Qt.AlignCenter, asUnicode(s))
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## boundingRect is usually just a bit too large
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## (but this probably depends on per-font metrics?)
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br.setHeight(br.height() * 0.8)
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strings = tickStrings[i]
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rects.append(br)
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textRects.append(rects[-1])
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if i > 0: ## always draw top level
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## measure all text, make sure there's enough room
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if axis == 0:
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textSize = np.sum([r.height() for r in textRects])
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textSize2 = np.max([r.width() for r in textRects]) if textRects else 0
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else:
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textSize = np.sum([r.width() for r in textRects])
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textSize2 = np.max([r.height() for r in textRects]) if textRects else 0
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## If the strings are too crowded, stop drawing text now.
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## We use three different crowding limits based on the number
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## of texts drawn so far.
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textFillRatio = float(textSize) / lengthInPixels
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finished = False
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for nTexts, limit in self.style['textFillLimits']:
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if len(textSpecs) >= nTexts and textFillRatio >= limit:
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finished = True
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break
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if finished:
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break
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#spacing, values = tickLevels[best]
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#strings = self.tickStrings(values, self.scale, spacing)
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for j in range(len(strings)):
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vstr = strings[j]
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if vstr is None: ## this tick was ignored because it is out of bounds
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if len(strings) == 0:
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continue
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vstr = asUnicode(vstr)
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x = tickPositions[i][j]
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#textRect = p.boundingRect(QtCore.QRectF(0, 0, 100, 100), QtCore.Qt.AlignCenter, vstr)
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textRect = rects[j]
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height = textRect.height()
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width = textRect.width()
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#self.textHeight = height
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offset = max(0,self.tickLength) + textOffset
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if self.orientation == 'left':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignRight|QtCore.Qt.AlignVCenter
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rect = QtCore.QRectF(tickStop-offset-width, x-(height/2), width, height)
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elif self.orientation == 'right':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter
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rect = QtCore.QRectF(tickStop+offset, x-(height/2), width, height)
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elif self.orientation == 'top':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignCenter|QtCore.Qt.AlignBottom
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rect = QtCore.QRectF(x-width/2., tickStop-offset-height, width, height)
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elif self.orientation == 'bottom':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignCenter|QtCore.Qt.AlignTop
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rect = QtCore.QRectF(x-width/2., tickStop+offset, width, height)
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#p.setPen(self.pen())
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#p.drawText(rect, textFlags, vstr)
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textSpecs.append((rect, textFlags, vstr))
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profiler('compute text')
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## update max text size if needed.
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self._updateMaxTextSize(textSize2)
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## ignore strings belonging to ticks that were previously ignored
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for j in range(len(strings)):
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if tickPositions[i][j] is None:
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strings[j] = None
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## Measure density of text; decide whether to draw this level
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rects = []
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for s in strings:
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if s is None:
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rects.append(None)
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else:
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br = p.boundingRect(QtCore.QRectF(0, 0, 100, 100), QtCore.Qt.AlignCenter, asUnicode(s))
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## boundingRect is usually just a bit too large
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## (but this probably depends on per-font metrics?)
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br.setHeight(br.height() * 0.8)
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rects.append(br)
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textRects.append(rects[-1])
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if i > 0: ## always draw top level
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## measure all text, make sure there's enough room
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if axis == 0:
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textSize = np.sum([r.height() for r in textRects])
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textSize2 = np.max([r.width() for r in textRects]) if textRects else 0
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else:
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textSize = np.sum([r.width() for r in textRects])
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textSize2 = np.max([r.height() for r in textRects]) if textRects else 0
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## If the strings are too crowded, stop drawing text now.
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## We use three different crowding limits based on the number
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## of texts drawn so far.
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textFillRatio = float(textSize) / lengthInPixels
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finished = False
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for nTexts, limit in self.style['textFillLimits']:
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if len(textSpecs) >= nTexts and textFillRatio >= limit:
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finished = True
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break
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if finished:
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break
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#spacing, values = tickLevels[best]
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#strings = self.tickStrings(values, self.scale, spacing)
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for j in range(len(strings)):
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vstr = strings[j]
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if vstr is None: ## this tick was ignored because it is out of bounds
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continue
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vstr = asUnicode(vstr)
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x = tickPositions[i][j]
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#textRect = p.boundingRect(QtCore.QRectF(0, 0, 100, 100), QtCore.Qt.AlignCenter, vstr)
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textRect = rects[j]
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height = textRect.height()
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width = textRect.width()
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#self.textHeight = height
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offset = max(0,self.tickLength) + textOffset
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if self.orientation == 'left':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignRight|QtCore.Qt.AlignVCenter
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rect = QtCore.QRectF(tickStop-offset-width, x-(height/2), width, height)
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elif self.orientation == 'right':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter
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rect = QtCore.QRectF(tickStop+offset, x-(height/2), width, height)
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elif self.orientation == 'top':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignCenter|QtCore.Qt.AlignBottom
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rect = QtCore.QRectF(x-width/2., tickStop-offset-height, width, height)
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elif self.orientation == 'bottom':
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textFlags = QtCore.Qt.TextDontClip|QtCore.Qt.AlignCenter|QtCore.Qt.AlignTop
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rect = QtCore.QRectF(x-width/2., tickStop+offset, width, height)
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#p.setPen(self.pen())
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#p.drawText(rect, textFlags, vstr)
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textSpecs.append((rect, textFlags, vstr))
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profiler('compute text')
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## update max text size if needed.
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self._updateMaxTextSize(textSize2)
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return (axisSpec, tickSpecs, textSpecs)
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