def test_hex_tiles_sum_value_aggregation(self):
tiles = HexTiles([(0, 0, 1), (0.5, 0.5, 2), (-0.5, -0.5, 3), (-0.4, -0.4, 4)], vdims='z')
binned = hex_binning(tiles, gridsize=3, aggregator=np.sum)
expected = HexTiles([(0, 0, 1), (2, -1, 2), (-2, 1, 7)],
kdims=[Dimension('x', range=(-0.5, 0.5)),
Dimension('y', range=(-0.5, 0.5))],
vdims='z')
self.assertEqual(binned, expected)
def test_hex_tiles_count_aggregation(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5), (-0.4, -0.4)])
binned = hex_binning(tiles, gridsize=3)
expected = HexTiles([(0, 0, 1), (2, -1, 1), (-2, 1, 2)],
kdims=[Dimension('x', range=(-0.5, 0.5)),
Dimension('y', range=(-0.5, 0.5))],
vdims='Count')
self.assertEqual(binned, expected)
def test_hex_tiles_hover_count(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5),
(-0.4, -0.4)]).options(tools=['hover'])
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
dims, opts = plot._hover_opts(tiles)
self.assertEqual(dims, [Dimension('Count')])
self.assertEqual(opts, {})
def test_hex_tiles_gridsize_tuple(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5),
(-0.4, -0.4)]).options(gridsize=(5, 10))
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
glyph = plot.handles['glyph']
self.assertEqual(glyph.size, 0.066666666666666666)
self.assertEqual(glyph.aspect_scale, 0.5)
def test_hex_tiles_zero_min_count(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5),
(-0.4, -0.4)]).options(min_count=0)
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
cmapper = plot.handles['color_mapper']
self.assertEqual(cmapper.low, 0)
self.assertEqual(plot.state.background_fill_color, cmapper.palette[0])
def test_hex_tiles_hover_weighted(self):
tiles = HexTiles([(0, 0, 0.1), (0.5, 0.5, 0.2), (-0.5, -0.5, 0.3)],
vdims='z').options(aggregator=np.mean)
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
dims, opts = plot._hover_opts(tiles)
self.assertEqual(dims, [Dimension('z')])
self.assertEqual(opts, {})
def hexbin(self, x, y, data=None):
data = self.data if data is None else data
if not x: x = data.columns[0]
if not y: y = data.columns[1]
z = self.kwds.get('C')
opts = dict(plot=self._plot_opts,
norm=self._norm_opts,
style=self._style_opts)
if 'reduce_function' in self.kwds:
opts['plot']['aggregator'] = self.kwds['reduce_function']
if 'gridsize' in self.kwds:
opts['plot']['gridsize'] = self.kwds['gridsize']
return HexTiles(data, [x, y], z
or []).redim(**self._redim).opts(**opts)
def test_hex_tiles_opts(self):
from holoviews.plotting.util import process_cmap
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5), (-0.4, -0.4)])
plot = mpl_renderer.get_plot(tiles)
args, style, _ = plot.get_data(tiles, {}, {})
self.assertEqual(args[0], tiles['x'])
self.assertEqual(args[1], tiles['y'])
self.assertEqual(args[2], np.ones(4))
cmap = style.pop('cmap')
self.assertEqual(
style, {
'reduce_C_function': np.sum,
'vmin': None,
'vmax': None,
'xscale': 'linear',
'yscale': 'linear',
'gridsize': 50,
'mincnt': None
})
self.assertEqual(cmap.colors, process_cmap('viridis'))
def test_hex_tiles_only_nans(self):
tiles = HexTiles([(np.NaN, 0), (1, np.NaN)])
plot = bokeh_renderer.get_plot(tiles)
self.assertEqual(plot.handles['source'].data, {'q': [], 'r': []})
def test_hex_tiles_empty(self):
tiles = HexTiles([])
plot = bokeh_renderer.get_plot(tiles)
self.assertEqual(plot.handles['source'].data, {'q': [], 'r': []})
def test_hex_tile_scale_op(self):
hextiles = HexTiles(np.random.randn(1000, 2)).options(scale='Count')
plot = bokeh_renderer.get_plot(hextiles)
glyph = plot.handles['glyph']
self.assertEqual(glyph.scale, {'field': 'scale'})
def test_hex_tile_alpha_op(self):
hextiles = HexTiles(np.random.randn(1000, 2)).options(alpha='Count')
plot = bokeh_renderer.get_plot(hextiles)
glyph = plot.handles['glyph']
self.assertEqual(glyph.fill_alpha, {'field': 'alpha'})
def test_hex_tiles_empty(self):
tiles = HexTiles([])
mpl_renderer.get_plot(tiles)
def test_hex_tiles_scale(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5), (-0.4, -0.4)]).options(size_index=2, gridsize=3)
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
source = plot.handles['source']
self.assertEqual(source.data['scale'], np.array([0.45, 0.45, 0.9]))
def test_hex_tiles_empty(self):
tiles = HexTiles([])
plot = list(bokeh_renderer.get_plot(tiles).subplots.values())[0]
self.assertEqual(plot.handles['source'].data, {'q': [], 'r': []})
def test_hex_tiles_gridsize_tuple_flat_orientation(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5), (-0.4, -0.4)]).options(gridsize=(5, 10), orientation='flat')
plot = bokeh_renderer.get_plot(tiles)
glyph = plot.handles['glyph']
self.assertEqual(glyph.size, 0.13333333333333333)
self.assertEqual(glyph.aspect_scale, 0.5)
def test_hex_tiles_scale_all_equal(self):
tiles = HexTiles([(0, 0), (0.5, 0.5), (-0.5, -0.5), (-0.4, -0.4)]).options(size_index=2)
plot = bokeh_renderer.get_plot(tiles)
source = plot.handles['source']
self.assertEqual(source.data['scale'], np.array([0.9, 0.9, 0.9, 0.9]))
def test_hex_tile_line_width_op(self):
hextiles = HexTiles(np.random.randn(1000, 2)).options(line_width='Count')
plot = bokeh_renderer.get_plot(hextiles)
glyph = plot.handles['glyph']
self.assertEqual(glyph.line_width, {'field': 'line_width'})