def test_poly_draw_callback_with_vdims_no_color_index(self):
polys = Polygons([{
'x': [0, 2, 4],
'y': [0, 2, 0],
'A': 1
}],
vdims=['A']).options(color_index=None)
poly_draw = PolyDraw(source=polys)
plot = bokeh_server_renderer.get_plot(polys)
self.assertIsInstance(plot.callbacks[0], PolyDrawCallback)
callback = plot.callbacks[0]
data = {
'x': [[1, 2, 3], [3, 4, 5]],
'y': [[1, 2, 3], [3, 4, 5]],
'A': [1, 2]
}
callback.on_msg({'data': data})
element = Polygons([{
'x': [1, 2, 3],
'y': [1, 2, 3],
'A': 1
}, {
'x': [3, 4, 5],
'y': [3, 4, 5],
'A': 2
}],
vdims=['A'])
self.assertEqual(poly_draw.element, element)
def test_multi_polygon_iloc_index_row(self):
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [[[(1.5, 2), (2, 3), (1.6, 1.6)],
[(2.1, 4.5), (2.5, 5), (2.3, 3.5)]], []]
poly = Polygons([{
'x': xs,
'y': ys,
'holes': holes,
'z': 1
}, {
'x': xs[::-1],
'y': ys[::-1],
'z': 2
}], ['x', 'y'],
'z',
datatype=[self.datatype])
expected = Polygons([{
'x': xs,
'y': ys,
'holes': holes,
'z': 1
}], ['x', 'y'],
'z',
datatype=[self.datatype])
self.assertIs(poly.interface, self.interface)
self.assertEqual(poly.iloc[0], expected)
def test_select_from_multi_polygons_with_list(self):
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [[[(1.5, 2), (2, 3), (1.6, 1.6)],
[(2.1, 4.5), (2.5, 5), (2.3, 3.5)]], []]
poly = Polygons([{
'x': xs,
'y': ys,
'holes': holes,
'z': 1
}, {
'x': xs[::-1],
'y': ys[::-1],
'z': 2
}, {
'x': xs[:3],
'y': ys[:3],
'z': 3
}], ['x', 'y'],
'z',
datatype=[self.datatype])
expected = Polygons([{
'x': xs,
'y': ys,
'holes': holes,
'z': 1
}, {
'x': xs[:3],
'y': ys[:3],
'z': 3
}], ['x', 'y'],
'z',
datatype=[self.datatype])
self.assertIs(poly.interface, self.interface)
self.assertEqual(poly.select(z=[1, 3]), expected)
def test_poly_edit_callback(self):
polys = Polygons([[(0, 0), (2, 2), (4, 0)]])
poly_edit = PolyEdit(source=polys)
plot = bokeh_server_renderer.get_plot(polys)
self.assertIsInstance(plot.callbacks[0], PolyEditCallback)
callback = plot.callbacks[0]
data = {'x': [[1, 2, 3], [3, 4, 5]], 'y': [[1, 2, 3], [3, 4, 5]]}
callback.on_msg({'data': data})
element = Polygons([[(1, 1), (2, 2), (3, 3)], [(3, 3), (4, 4), (5, 5)]])
self.assertEqual(poly_edit.element, element)
def test_box_edit_callback(self):
boxes = Polygons([Box(0, 0, 1)])
box_edit = BoxEdit(source=boxes)
plot = bokeh_server_renderer.get_plot(boxes)
self.assertIsInstance(plot.callbacks[0], BoxEditCallback)
callback = plot.callbacks[0]
source = plot.handles['rect_source']
self.assertEqual(source.data, {'x': [0], 'y': [0], 'width': [1], 'height': [1]})
data = {'x': [0, 1], 'y': [0, 1], 'width': [0.5, 2], 'height': [2, 0.5]}
callback.on_msg({'data': data})
element = Polygons([Box(0, 0, (0.5, 2)), Box(1, 1, (2, 0.5))])
self.assertEqual(box_edit.element, element)
def test_polygon_roundtrip(self):
xs = [1, 2, 3]
ys = [2, 0, 7]
poly = Polygons([{'x': xs, 'y': ys, 'z': 0},
{'x': xs[::-1], 'y': ys[::-1], 'z': 1}],
['x', 'y'], 'z', datatype=[self.datatype])
self.assertIsInstance(poly.data.geometry.dtype, PolygonDtype)
roundtrip = poly.clone(datatype=['multitabular'])
self.assertEqual(roundtrip.interface.datatype, 'multitabular')
expected = Polygons([{'x': xs+[1], 'y': ys+[2], 'z': 0},
{'x': [3]+xs, 'y': [7]+ys, 'z': 1}],
['x', 'y'], 'z', datatype=['multitabular'])
self.assertEqual(roundtrip, expected)
def test_polygons_holes_initialize(self):
from bokeh.models import MultiPolygons
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [
[[(1.5, 2), (2, 3), (1.6, 1.6)], [(2.1, 4.5), (2.5, 5), (2.3, 3.5)]],
[]
]
poly = HoloMap({0: Polygons([{'x': xs, 'y': ys, 'holes': holes}]),
1: Polygons([{'x': xs, 'y': ys}])})
plot = bokeh_renderer.get_plot(poly)
glyph = plot.handles['glyph']
self.assertTrue(plot._has_holes)
self.assertIsInstance(glyph, MultiPolygons)
def test_polygons_no_holes_with_draw_tool(self):
from bokeh.models import Patches
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [
[[(1.5, 2), (2, 3), (1.6, 1.6)], [(2.1, 4.5), (2.5, 5), (2.3, 3.5)]],
[]
]
poly = HoloMap({0: Polygons([{'x': xs, 'y': ys, 'holes': holes}]),
1: Polygons([{'x': xs, 'y': ys}])})
PolyDraw(source=poly)
plot = bokeh_renderer.get_plot(poly)
glyph = plot.handles['glyph']
self.assertFalse(plot._has_holes)
self.assertIsInstance(glyph, Patches)
def test_empty_polygons_plot(self):
poly = Polygons([], vdims=['Intensity'])
plot = bokeh_renderer.get_plot(poly)
source = plot.handles['source']
self.assertEqual(len(source.data['xs']), 0)
self.assertEqual(len(source.data['ys']), 0)
self.assertEqual(len(source.data['Intensity']), 0)
def test_polygons_alpha_op(self):
polygons = Polygons([
{('x', 'y'): [(0, 0), (0, 1), (1, 0)], 'alpha': 0.7},
{('x', 'y'): [(1, 0), (1, 1), (0, 1)], 'alpha': 0.3}
], vdims='alpha').options(alpha='alpha')
with self.assertRaises(Exception):
mpl_renderer.get_plot(polygons)
def test_polygon_to_path_patches(self):
xs = [1, 2, 3, np.nan, 6, 7, 3, np.nan, 0, 0, 0]
ys = [2, 0, 7, np.nan, 7, 5, 2, np.nan, 0, 1, 0]
holes = [[[(1.5, 2), (2, 3), (1.6, 1.6)],
[(2.1, 4.5), (2.5, 5), (2.3, 3.5)]], [], []]
polys = Polygons([{'x': xs, 'y': ys, 'holes': holes}])
paths = polygons_to_path_patches(polys)
self.assertEqual(len(paths), 1)
self.assertEqual(len(paths[0]), 3)
self.assertEqual(
paths[0][0].get_path().vertices,
np.array([(1, 2), (2, 0), (3, 7), (1, 2), (1.5, 2), (2, 3),
(1.6, 1.6), (1.5, 2), (2.1, 4.5), (2.5, 5), (2.3, 3.5),
(2.1, 4.5)]))
self.assertEqual(
paths[0][0].get_path().codes,
np.array([1, 2, 2, 79, 1, 2, 2, 79, 1, 2, 2, 79], dtype='uint8'))
self.assertEqual(paths[0][1].get_path().vertices,
np.array([(6, 7), (7, 5), (3, 2), (6, 7)]))
self.assertEqual(paths[0][1].get_path().codes,
np.array([1, 2, 2, 79], dtype='uint8'))
self.assertEqual(paths[0][2].get_path().vertices,
np.array([(0, 0), (0, 1), (0, 0)]))
self.assertEqual(paths[0][1].get_path().codes,
np.array([1, 2, 2, 79], dtype='uint8'))
def test_poly_edit_callback_initialized_js(self):
polys = Polygons([[(0, 0), (2, 2), (4, 0)]])
PolyEdit(source=polys)
plot = bokeh_renderer.get_plot(polys)
cb = plot.callbacks[0].callbacks[0]
self.assertEqual(plot.handles['source'].js_property_callbacks,
{'change:data': [cb], 'patching': [cb]})
def test_multi_polygon_hole_plot(self):
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [[[(1.5, 2), (2, 3), (1.6, 1.6)],
[(2.1, 4.5), (2.5, 5), (2.3, 3.5)]], []]
poly = Polygons([{
'x': xs,
'y': ys,
'holes': holes,
'value': 1
}],
vdims=['value'])
plot = mpl_renderer.get_plot(poly)
artist = plot.handles['artist']
self.assertEqual(artist.get_array(), np.array([1, 1]))
paths = artist.get_paths()
self.assertEqual(len(paths), 2)
path = paths[0]
self.assertEqual(
path.vertices,
np.array([(1, 2), (2, 0), (3, 7), (1, 2), (1.5, 2), (2, 3),
(1.6, 1.6), (1.5, 2), (2.1, 4.5), (2.5, 5), (2.3, 3.5),
(2.1, 4.5)]))
self.assertEqual(path.codes,
np.array([1, 2, 2, 79, 1, 2, 2, 79, 1, 2, 2, 79]))
path2 = paths[1]
self.assertEqual(path2.vertices,
np.array([(6, 7), (7, 5), (3, 2), (6, 7)]))
self.assertEqual(path2.codes, np.array([1, 2, 2, 79]))
def test_data_link_mismatch(self):
polys = Polygons([np.random.rand(10, 2)])
table = Table([('A', 1), ('B', 2)], 'A', 'B')
DataLink(polys, table)
layout = polys + table
with self.assertRaises(Exception):
bokeh_renderer.get_plot(layout)
def test_box_edit_callback_initialized_js(self):
boxes = Polygons([Box(0, 0, 1)])
BoxEdit(source=boxes)
plot = bokeh_renderer.get_plot(boxes)
cb = plot.callbacks[0].callbacks[0]
self.assertEqual(plot.handles['rect_source'].js_property_callbacks,
{'change:data': [cb], 'patching': [cb]})
def test_polygons_overlay_hover(self):
obj = NdOverlay({i: Polygons([np.random.rand(10,2)], vdims=['z'], level=0)
for i in range(5)}, kdims=['Test'])
opts = {'Polygons': {'tools': ['hover']},
'NdOverlay': {'legend_limit': 0}}
obj = obj(plot=opts)
self._test_hover_info(obj, [('Test', '@{Test}'), ('z', '@{z}')])
def test_multi_polygon_constructor(self):
xs = [1, 2, 3, np.nan, 6, 7, 3]
ys = [2, 0, 7, np.nan, 7, 5, 2]
holes = [[[(1.5, 2), (2, 3), (1.6, 1.6)],
[(2.1, 4.5), (2.5, 5), (2.3, 3.5)]], []]
path = Polygons([{
'x': xs,
'y': ys,
'holes': holes
}, {
'x': xs[::-1],
'y': ys[::-1]
}], ['x', 'y'],
datatype=[self.datatype])
self.assertIsInstance(path.data.geometry.dtype, MultiPolygonDtype)
self.assertEqual(
path.data.iloc[0, 0].buffer_values,
np.array([
1., 2., 2., 0., 3., 7., 1., 2., 1.5, 2., 2., 3., 1.6, 1.6, 1.5,
2., 2.1, 4.5, 2.5, 5., 2.3, 3.5, 2.1, 4.5, 6., 7., 3., 2., 7.,
5., 6., 7.
]))
self.assertEqual(
path.data.iloc[1, 0].buffer_values,
np.array([3, 2, 7, 5, 6, 7, 3, 2, 3, 7, 1, 2, 2, 0, 3, 7]))
def test_polygon_dtype(self):
poly = Polygons([{
'x': [1, 2, 3],
'y': [2, 0, 7]
}],
datatype=[self.datatype])
self.assertIs(poly.interface, self.interface)
self.assertEqual(poly.interface.dtype(poly, 'x'), 'float64')
def test_polygons_line_width_op(self):
polygons = Polygons([
{('x', 'y'): [(0, 0), (0, 1), (1, 0)], 'line_width': 7},
{('x', 'y'): [(1, 0), (1, 1), (0, 1)], 'line_width': 3}
], vdims='line_width').options(linewidth='line_width')
plot = mpl_renderer.get_plot(polygons)
artist = plot.handles['artist']
self.assertEqual(artist.get_linewidths(), [7, 3])
def test_polygons_colored(self):
polygons = NdOverlay({j: Polygons([[(i**j, i) for i in range(10)]], level=j)
for j in range(5)})
plot = mpl_renderer.get_plot(polygons)
for j, splot in enumerate(plot.subplots.values()):
artist = splot.handles['artist']
self.assertEqual(artist.get_array(), np.array([j]))
self.assertEqual(artist.get_clim(), (0, 4))
def test_multi_polygon_expanded_values(self):
xs = [1, 2, 3, np.nan, 1, 2, 3]
ys = [2, 0, 7, np.nan, 2, 0, 7]
poly = Polygons([{'x': xs, 'y': ys, 'z': 1}],
['x', 'y'], 'z', datatype=[self.datatype])
self.assertEqual(poly.dimension_values(0), np.array([1, 2, 3, 1, np.nan, 1, 2, 3, 1]))
self.assertEqual(poly.dimension_values(1), np.array([2, 0, 7, 2, np.nan, 2, 0, 7, 2]))
self.assertEqual(poly.dimension_values(2), np.array([1, 1, 1, 1, 1, 1, 1, 1, 1]))
def test_launch_server_with_complex_plot(self):
dmap = DynamicMap(lambda x_range, y_range: Curve([]), streams=[RangeXY()])
overlay = dmap * HLine(0)
static = Polygons([]) * Path([]) * Curve([])
layout = overlay + static
_, server = self._launcher(layout)
server.stop()
def test_polygons_categorical_color_op(self):
polygons = Polygons([
{('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 = mpl_renderer.get_plot(polygons)
artist = plot.handles['artist']
self.assertEqual(artist.get_array(), np.array([0, 1]))
self.assertEqual(artist.get_clim(), (0, 1))
def test_polygons_linear_color_op_update(self):
polygons = HoloMap({
0: Polygons([
{('x', 'y'): [(0, 0), (0, 1), (1, 0)], 'color': 7},
{('x', 'y'): [(1, 0), (1, 1), (0, 1)], 'color': 3}
], vdims='color'),
1: Polygons([
{('x', 'y'): [(0, 0), (0, 1), (1, 0)], 'color': 2},
{('x', 'y'): [(1, 0), (1, 1), (0, 1)], 'color': 5}
], vdims='color'),
}).options(color='color', framewise=True)
plot = mpl_renderer.get_plot(polygons)
artist = plot.handles['artist']
self.assertEqual(artist.get_array(), np.array([7, 3]))
self.assertEqual(artist.get_clim(), (3, 7))
plot.update((1,))
self.assertEqual(artist.get_array(), np.array([2, 5]))
self.assertEqual(artist.get_clim(), (2, 5))
def test_polygons_linear_color_op(self):
polygons = Polygons([
{('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 = mpl_renderer.get_plot(polygons)
artist = plot.handles['artist']
self.assertEqual(artist.get_array(), np.array([7, 3]))
self.assertEqual(artist.get_clim(), (3, 7))
def test_selection_expr_stream_polygon_index_cols(self):
# Create SelectionExpr on element
try: import shapely # noqa
except:
try: import spatialpandas # noqa
except: raise SkipTest('Shapely required for polygon selection')
poly = Polygons([
[(0, 0, 'a'), (2, 0, 'a'), (1, 1, 'a')],
[(2, 0, 'b'), (4, 0, 'b'), (3, 1, 'b')],
[(1, 1, 'c'), (3, 1, 'c'), (2, 2, 'c')]
], vdims=['cat'])
events = []
expr_stream = SelectionExpr(poly, index_cols=['cat'])
expr_stream.add_subscriber(lambda **kwargs: events.append(kwargs))
# Check stream properties
self.assertEqual(len(expr_stream.input_streams), 3)
self.assertIsInstance(expr_stream.input_streams[0], SelectionXY)
self.assertIsInstance(expr_stream.input_streams[1], Lasso)
self.assertIsInstance(expr_stream.input_streams[2], Selection1D)
self.assertIsNone(expr_stream.bbox)
self.assertIsNone(expr_stream.selection_expr)
expr_stream.input_streams[2].event(index=[0, 1])
self.assertEqual(
repr(expr_stream.selection_expr),
repr(dim('cat').isin(['a', 'b']))
)
self.assertEqual(expr_stream.bbox, None)
self.assertEqual(len(events), 1)
# Ensure bounds event does not trigger another update
expr_stream.input_streams[0].event(bounds=(0, 0, 4, 1))
self.assertEqual(
repr(expr_stream.selection_expr),
repr(dim('cat').isin(['a', 'b']))
)
self.assertEqual(len(events), 1)
# Ensure geometry event does trigger another update
expr_stream.input_streams[1].event(geometry=np.array([(0, 0), (4, 0), (4, 2), (0, 2)]))
self.assertEqual(
repr(expr_stream.selection_expr),
repr(dim('cat').isin(['a', 'b', 'c']))
)
self.assertEqual(len(events), 2)
# Ensure index event does trigger another update
expr_stream.input_streams[2].event(index=[1, 2])
self.assertEqual(
repr(expr_stream.selection_expr),
repr(dim('cat').isin(['b', 'c']))
)
self.assertEqual(expr_stream.bbox, None)
self.assertEqual(len(events), 3)
def test_polygons_line_width_op(self):
polygons = Polygons([
{('x', 'y'): [(0, 0), (0, 1), (1, 0)], 'line_width': 7},
{('x', 'y'): [(1, 0), (1, 1), (0, 1)], 'line_width': 3}
], vdims='line_width').options(line_width='line_width')
plot = bokeh_renderer.get_plot(polygons)
cds = plot.handles['source']
glyph = plot.handles['glyph']
self.assertEqual(glyph.line_width, {'field': 'line_width'})
self.assertEqual(cds.data['line_width'], np.array([7, 3]))
def test_polygons_colored(self):
polygons = NdOverlay({j: Polygons([[(i**j, i) for i in range(10)]], level=j)
for j in range(5)})
plot = bokeh_renderer.get_plot(polygons)
for i, splot in enumerate(plot.subplots.values()):
cmapper = splot.handles['color_mapper']
self.assertEqual(cmapper.low, 0)
self.assertEqual(cmapper.high, 4)
source = splot.handles['source']
self.assertEqual(source.data['Value'], np.array([i]))
def test_polygons_colored_batched(self):
polygons = NdOverlay({j: Polygons([[(i**j, i) for i in range(10)]], level=j)
for j in range(5)}).opts(plot=dict(legend_limit=0))
plot = list(bokeh_renderer.get_plot(polygons).subplots.values())[0]
cmapper = plot.handles['color_mapper']
self.assertEqual(cmapper.low, 0)
self.assertEqual(cmapper.high, 4)
source = plot.handles['source']
self.assertEqual(plot.handles['glyph'].fill_color['transform'], cmapper)
self.assertEqual(source.data['Value'], list(range(5)))
def test_data_link_poly_table_on_unlinked_clone(self):
arr1 = np.random.rand(10, 2)
arr2 = np.random.rand(10, 2)
polys = Polygons([arr1, arr2])
table = Table([('A', 1), ('B', 2)], 'A', 'B')
DataLink(polys, table)
layout = polys.clone() + table.clone(link=False)
plot = bokeh_renderer.get_plot(layout)
cds = list(plot.state.select({'type': ColumnDataSource}))
self.assertEqual(len(cds), 2)