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- ScaleItem: avoid drawing of multiple ticks at the same position

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Ingo B. 2011-02-07 21:26:21 +01:00
parent 56f54cbf9b
commit 1efb60a963
1 changed files with 8 additions and 2 deletions
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10
graphicsItems.py
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@ -1221,8 +1221,10 @@ class ScaleItem(QtGui.QGraphicsWidget):
else:
xs = bounds.width() / dif
tickPositions = set() # remembers positions of previously drawn ticks
## draw ticks and text
for i in [i1, i1+1, i1+2]: ## draw three different intervals
## draw three different intervals, long ticks first
for i in reversed([i1, i1+1, i1+2]):
if i > len(intervals):
continue
## spacing for this interval
@ -1266,7 +1268,11 @@ class ScaleItem(QtGui.QGraphicsWidget):
if p1[1-axis] < 0:
continue
p.setPen(QtGui.QPen(QtGui.QColor(100, 100, 100, a)))
p.drawLine(Point(p1), Point(p2))
# draw tick only if there is none
tickPos = p1[1-axis]
if tickPos not in tickPositions:
p.drawLine(Point(p1), Point(p2))
tickPositions.add(tickPos)
if i == textLevel:
if abs(v) < .001 or abs(v) >= 10000:
vstr = "%g" % (v * self.scale)