def test_nan(self):
ary = array([1.0, nan, 10.0, nan, 100.0, 1000.0])
ds = ArrayDataSource(ary)
r = DataRange1D(ds)
mapper = LogMapper(range=r, low_pos=0, high_pos=30)
mapper.fill_value = 100.0
result = mapper.map_screen(ary)
assert_array_almost_equal(result, [0, 20, 10, 20, 20, 30])
return
def test_fill_value(self):
ary = array([1.0, -1.0, -2.0, 10.0, 100.0, 1000.0])
ds = ArrayDataSource(ary)
r = DataRange1D(ds)
mapper = LogMapper(range=r, low_pos=0, high_pos=30)
# This causes out-of-bounds values to be treated as the value 100.0
mapper.fill_value = 100.0
result = mapper.map_screen(ary)
assert_array_almost_equal(result, [0, 20, 20, 10, 20, 30])
return
