本文整理汇总了Python中qgis.core.QgsRendererRangeLabelFormat.labelForLowerUpper方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRendererRangeLabelFormat.labelForLowerUpper方法的具体用法？Python QgsRendererRangeLabelFormat.labelForLowerUpper怎么用？Python QgsRendererRangeLabelFormat.labelForLowerUpper使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsRendererRangeLabelFormat的用法示例。
在下文中一共展示了QgsRendererRangeLabelFormat.labelForLowerUpper方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testQgsRendererRangeLabelFormat_2
# 需要导入模块: from qgis.core import QgsRendererRangeLabelFormat [as 别名]
# 或者: from qgis.core.QgsRendererRangeLabelFormat import labelForLowerUpper [as 别名]
def testQgsRendererRangeLabelFormat_2(self):
"""Test QgsRendererRangeLabelFormat number format"""
format = QgsRendererRangeLabelFormat()
# Tests have precision, trim, value, expected
# (Note: Not sure what impact of locale is on these tests)
tests = (
(2, False, 1.0, '1.00'),
(2, True, 1.0, '1'),
(2, False, 1.234, '1.23'),
(2, True, 1.234, '1.23'),
(2, False, 1.236, '1.24'),
(2, False, -1.236, '-1.24'),
(2, False, -0.004, '0.00'),
(2, True, 1.002, '1'),
(2, True, 1.006, '1.01'),
(2, True, 1.096, '1.1'),
(3, True, 1.096, '1.096'),
(-2, True, 1496.45, '1500'),
(-2, True, 149.45, '100'),
(-2, True, 79.45, '100'),
(-2, True, 49.45, '0'),
(-2, True, -49.45, '0'),
(-2, True, -149.45, '-100'),
)
for f in tests:
precision, trim, value, expected = f
format.setPrecision(precision)
format.setTrimTrailingZeroes(trim)
result = format.formatNumber(value)
self.assertEqual(result, expected,
"Number format error {0}:{1}:{2} => {3}".format(
precision, trim, value, result))
# Label tests - label format, expected result.
# Labels will be evaluated with lower=1.23 upper=2.34, precision=2
ltests = (
("%1 - %2", "1.23 - 2.34"),
("%1", "1.23"),
("%2", "2.34"),
("%2%", "2.34%"),
("%1%1", "1.231.23"),
("from %1 to %2 meters", "from 1.23 to 2.34 meters"),
("from %2 to %1 meters", "from 2.34 to 1.23 meters"),
)
format.setPrecision(2)
format.setTrimTrailingZeroes(False)
lower = 1.232
upper = 2.339
for t in ltests:
label, expected = t
format.setFormat(label)
result = format.labelForLowerUpper(lower, upper)
self.assertEqual(result, expected, "Label format error {0} => {1}".format(
label, result))
range = QgsRendererRange()
range.setLowerValue(lower)
range.setUpperValue(upper)
label = ltests[0][0]
format.setFormat(label)
result = format.labelForRange(range)
self.assertEqual(result, ltests[0][1], "Label for range error {0} => {1}".format(
label, result))