本文整理汇总了Python中chaco.api.ArrayDataSource.get_bounds方法的典型用法代码示例。如果您正苦于以下问题：Python ArrayDataSource.get_bounds方法的具体用法？Python ArrayDataSource.get_bounds怎么用？Python ArrayDataSource.get_bounds使用的例子？那么, 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chaco.api.ArrayDataSource的用法示例。
在下文中一共展示了ArrayDataSource.get_bounds方法的10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: test_bounds_all_nans
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_all_nans(self):
myarray = empty(10)
myarray[:] = nan
sd = ArrayDataSource(myarray)
bounds = sd.get_bounds()
self.assertTrue(isnan(bounds[0]))
self.assertTrue(isnan(bounds[1]))示例2: test_bounds
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds(self):
# ascending
bounds = self.data_source.get_bounds()
self.assertEqual(bounds, (0, 9))
# descending
myarray = arange(10)[::-1]
data_source = ArrayDataSource(myarray, sort_order="descending")
bounds = data_source.get_bounds()
self.assertEqual(bounds, (0, 9))
# no order
myarray = array([12, 3, 0, 9, 2, 18, 3])
data_source = ArrayDataSource(myarray, sort_order="none")
bounds = data_source.get_bounds()
self.assertEqual(bounds, (0, 18))示例3: test_bounds
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds(self):
# ascending
myarray = arange(10)
sd = ArrayDataSource(myarray, sort_order="ascending")
bounds = sd.get_bounds()
self.assert_(bounds == (0,9))
# descending
myarray = arange(10)[::-1]
sd = ArrayDataSource(myarray, sort_order="descending")
bounds = sd.get_bounds()
self.assert_(bounds == (0,9))
# no order
myarray = array([12,3,0,9,2,18,3])
sd = ArrayDataSource(myarray, sort_order="none")
bounds = sd.get_bounds()
self.assert_(bounds == (0,18))
return示例4: test_bounds_non_numeric
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_non_numeric(self):
myarray = np.array([u'abc', u'foo', u'bar', u'def'], dtype=unicode)
data_source = ArrayDataSource(myarray)
bounds = data_source.get_bounds()
self.assertEqual(bounds, (u'abc', u'def'))示例5: test_bounds_negative_positive_inf
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_negative_positive_inf(self):
data_source = ArrayDataSource(array([12, 3, -np.inf, 9, 2, np.inf, 3]))
bounds = data_source.get_bounds()
self.assertEqual(bounds, (-np.inf, np.inf))示例6: test_bounds_some_nan
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_some_nan(self):
data_source = ArrayDataSource(array([np.nan, 3, 0, 9, np.nan, 18, 3]))
bounds = data_source.get_bounds()
self.assertEqual(bounds, (0, 18))示例7: ArrayDataSourceTestCase
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
class ArrayDataSourceTestCase(UnittestTools, unittest.TestCase):
def setUp(self):
self.myarray = arange(10)
self.mymask = array([i % 2 for i in self.myarray], dtype=bool)
self.data_source = ArrayDataSource(self.myarray)
def test_init_defaults(self):
data_source = ArrayDataSource()
assert_array_equal(data_source._data, [])
self.assertEqual(data_source.value_dimension, "scalar")
self.assertEqual(data_source.index_dimension, "scalar")
self.assertEqual(data_source.sort_order, "none")
self.assertFalse(data_source.is_masked())
self.assertEqual(data_source.persist_data, True)
def test_basic_setup(self):
assert_array_equal(self.myarray, self.data_source._data)
self.assertEqual(self.data_source.value_dimension, "scalar")
self.assertEqual(self.data_source.sort_order, "none")
self.assertFalse(self.data_source.is_masked())
def test_set_data(self):
new_array = arange(0, 20, 2)
with self.assertTraitChanges(self.data_source, 'data_changed',
count=1):
self.data_source.set_data(new_array)
assert_array_equal(new_array, self.data_source._data)
self.assertEqual(self.data_source.get_bounds(), (0, 18))
self.assertEqual(self.data_source.sort_order, "none")
def test_set_data_ordered(self):
new_array = arange(20, 0, -2)
with self.assertTraitChanges(self.data_source, 'data_changed',
count=1):
self.data_source.set_data(new_array, sort_order='descending')
assert_array_equal(new_array, self.data_source._data)
self.assertEqual(self.data_source.get_bounds(), (2, 20))
self.assertEqual(self.data_source.sort_order, "descending")
def test_set_mask(self):
with self.assertTraitChanges(self.data_source, 'data_changed',
count=1):
self.data_source.set_mask(self.mymask)
assert_array_equal(self.myarray, self.data_source._data)
assert_array_equal(self.mymask, self.data_source._cached_mask)
self.assertTrue(self.data_source.is_masked())
self.assertEqual(self.data_source.get_bounds(), (0, 9))
def test_remove_mask(self):
self.data_source.set_mask(self.mymask)
self.assertTrue(self.data_source.is_masked())
with self.assertTraitChanges(self.data_source, 'data_changed',
count=1):
self.data_source.remove_mask()
assert_array_equal(self.myarray, self.data_source._data)
self.assertIsNone(self.data_source._cached_mask, None)
self.assertFalse(self.data_source.is_masked())
self.assertEqual(self.data_source.get_bounds(), (0, 9))
def test_get_data(self):
assert_array_equal(self.myarray, self.data_source.get_data())
def test_get_data_no_data(self):
data_source = ArrayDataSource(None)
assert_array_equal(data_source.get_data(), 0.0)
def test_get_data_mask(self):
self.data_source.set_mask(self.mymask)
data, mask = self.data_source.get_data_mask()
assert_array_equal(data, self.myarray)
assert_array_equal(mask, self.mymask)
@unittest.skip('get_data_mask() fails in this case')
def test_get_data_mask_no_data(self):
data_source = ArrayDataSource(None)
data, mask = data_source.get_data_mask()
assert_array_equal(data, 0.0)
assert_array_equal(mask, True)
def test_get_data_mask_no_mask(self):
data, mask = self.data_source.get_data_mask()
assert_array_equal(data, self.myarray)
assert_array_equal(mask, ones(shape=10, dtype=bool))
def test_bounds(self):
# ascending
bounds = self.data_source.get_bounds()
self.assertEqual(bounds, (0, 9))
#.........这里部分代码省略.........
示例8: test_bounds_empty
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_empty(self):
data_source = ArrayDataSource()
bounds = data_source.get_bounds()
# XXX this is sort of inconsistent with test_bounds_all_nans()
self.assertEqual(bounds, (0, 0))示例9: test_bounds_length_zero
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_length_zero(self):
# this is special-cased in the code, so exercise the code path
data_source = ArrayDataSource(array([]))
bounds = data_source.get_bounds()
# XXX this is sort of inconsistent with test_bounds_all_nans()
self.assertEqual(bounds, (0, 0))示例10: test_bounds_length_one
# 需要导入模块: from chaco.api import ArrayDataSource [as 别名]
# 或者: from chaco.api.ArrayDataSource import get_bounds [as 别名]
def test_bounds_length_one(self):
# this is special-cased in the code, so exercise the code path
data_source = ArrayDataSource(array([1.0]))
bounds = data_source.get_bounds()
self.assertEqual(bounds, (1.0, 1.0))