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work on DateAxisItem

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This commit is contained in:
Megan Kratz 2012-11-27 14:54:49 -05:00
parent 2ca4cddff7
commit dde6a2ac4c
1 changed files with 20 additions and 5 deletions
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25
examples/customPlot.py
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@ -16,19 +16,34 @@ class DateAxis(pg.AxisItem):
def tickStrings(self, values, scale, spacing): def tickStrings(self, values, scale, spacing):
strns = [] strns = []
rng = max(values)-min(values) rng = max(values)-min(values)
if rng < 120: #if rng < 120:
return pg.AxisItem.tickStrings(self, values, scale, spacing) # return pg.AxisItem.tickStrings(self, values, scale, spacing)
elif rng >= 120 and rng < 3600*24: if rng < 3600*24:
string = '%H:%M:%S' string = '%H:%M:%S'
label1 = '%b %d -'
label2 = ' %b %d, %Y'
elif rng >= 3600*24 and rng < 3600*24*30: elif rng >= 3600*24 and rng < 3600*24*30:
string = '%d' string = '%d'
elif rng >= 3600*24*30: label1 = '%b - '
string = '%b %Y' label2 = '%b, %Y'
elif rng >= 3600*24*30 and rng < 3600*24*30*24:
string = '%b'
label1 = '%Y -'
label2 = ' %Y'
elif rng >=3600*24*30*24:
string = '%Y'
label1 = ''
label2 = ''
for x in values: for x in values:
try: try:
strns.append(time.strftime(string, time.localtime(x))) strns.append(time.strftime(string, time.localtime(x)))
except ValueError: ## Windows can't handle dates before 1970 except ValueError: ## Windows can't handle dates before 1970
strns.append('') strns.append('')
try:
label = time.strftime(label1, time.localtime(min(values)))+time.strftime(label2, time.localtime(max(values)))
except ValueError:
label = ''
#self.setLabel(text=label)
return strns return strns
class CustomViewBox(pg.ViewBox): class CustomViewBox(pg.ViewBox):