def test_contours_categorical_color_op(self):
contours = Contours([{
('x', 'y'): [(0, 0), (0, 1), (1, 0)],
'color': 'b'
}, {
('x', 'y'): [(1, 0), (1, 1), (0, 1)],
'color': 'a'
}],
vdims='color').options(color='color')
plot = bokeh_renderer.get_plot(contours)
cds = plot.handles['source']
glyph = plot.handles['glyph']
cmapper = plot.handles['color_color_mapper']
self.assertEqual(glyph.line_color, {
'field': 'color',
'transform': cmapper
})
self.assertEqual(cds.data['color'], np.array(['b', 'a']))
self.assertIsInstance(cmapper, CategoricalColorMapper)
self.assertEqual(cmapper.factors, ['b', 'a'])
def setUp(self):
self.img_fn = lambda: Image(np.random.rand(10, 10))
self.contour_fn = lambda: Contours([np.random.rand(10, 2)
for i in range(2)])
params = [list(range(3)) for i in range(2)]
self.sanitized_map = HoloMap({i: Image(i*np.random.rand(10,10))
for i in range(1,10)}, kdims=['A B'])
self.img_map = HoloMap({(i, j): self.img_fn()
for i, j in product(*params)},
kdims=['a', 'b'])
self.contour_map = HoloMap({(i, j): self.contour_fn()
for i, j in product(*params)},
kdims=['a', 'b'])
self.ndoverlay_map = self.img_map.overlay('b')
self.overlay_map = self.img_map * self.contour_map
self.layout_map = self.ndoverlay_map + self.contour_map
self.duplicate_map = self.img_map.clone(kdims=['x', 'y'])
self.overlap1 = HoloMap({i: self.img_fn() for i in range(5)})
self.overlap2 = HoloMap({i: self.img_fn() for i in range(10)})
self.overlap_layout = self.overlap1 + self.overlap2
def test_contours_linear_color_op(self):
contours = Contours([{
('x', 'y'): [(0, 0), (0, 1), (1, 0)],
'color': 7
}, {
('x', 'y'): [(1, 0), (1, 1), (0, 1)],
'color': 3
}],
vdims='color').options(color='color')
plot = bokeh_renderer.get_plot(contours)
cds = plot.handles['source']
glyph = plot.handles['glyph']
cmapper = plot.handles['color_color_mapper']
self.assertEqual(glyph.line_color, {
'field': 'color',
'transform': cmapper
})
self.assertEqual(cds.data['color'], np.array([7, 3]))
self.assertIsInstance(cmapper, LinearColorMapper)
self.assertEqual(cmapper.low, 3)
self.assertEqual(cmapper.high, 7)