Python bokeh.models.CategoricalColorMapper() Examples

The following are 13 code examples of bokeh.models.CategoricalColorMapper(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module bokeh.models , or try the search function .
Example #1
Source File: testspikesplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_spikes_categorical_color_op(self):
        spikes = Spikes([(0, 0, 'A'), (0, 1, 'B'), (0, 2, 'C')],
                              vdims=['y', 'color']).options(color='color')
        plot = bokeh_renderer.get_plot(spikes)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['color'], np.array(['A', 'B', 'C']))
        self.assertEqual(glyph.line_color, {'field': 'color', 'transform': cmapper})
Example #2
Source File: testerrorbarplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_errorbars_categorical_color_op(self):
        errorbars = ErrorBars([(0, 0, 0.1, 0.2, 'A'), (0, 1, 0.2, 0.4, 'B'), (0, 2, 0.6, 1.2, 'C')],
                              vdims=['y', 'perr', 'nerr', 'color']).options(color='color')
        plot = bokeh_renderer.get_plot(errorbars)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['color'], np.array(['A', 'B', 'C']))
        self.assertEqual(glyph.line_color, {'field': 'color', 'transform': cmapper})
Example #3
Source File: testboxwhiskerplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_box_whisker_categorical_color_op(self):
        a = np.repeat(np.arange(5), 5)
        b = np.repeat(['A', 'B', 'C', 'D', 'E'], 5)
        box = BoxWhisker((a, b, np.arange(25)), ['a', 'b'], 'd').options(box_color='b')
        plot = bokeh_renderer.get_plot(box)
        source = plot.handles['vbar_1_source']
        glyph = plot.handles['vbar_1_glyph']
        cmapper = plot.handles['box_color_color_mapper']
        self.assertEqual(source.data['box_color'], b[::5])
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C', 'D', 'E'])
        self.assertEqual(glyph.fill_color, {'field': 'box_color', 'transform': cmapper})
Example #4
Source File: testvectorfieldplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_vectorfield_categorical_color_op(self):
        vectorfield = VectorField([(0, 0, 0, 1, 'A'), (0, 1, 0, 1, 'B'), (0, 2, 0, 1, 'C')],
                                  vdims=['A', 'M', 'color']).options(color='color')
        plot = bokeh_renderer.get_plot(vectorfield)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['color'], np.array(['A', 'B', 'C', 'A', 'B', 'C', 'A', 'B', 'C']))
        self.assertEqual(glyph.line_color, {'field': 'color', 'transform': cmapper})
Example #5
Source File: testviolinplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_violin_categorical_color_op(self):
        a = np.repeat(np.arange(5), 5)
        b = np.repeat(['A', 'B', 'C', 'D', 'E'], 5)
        violin = Violin((a, b, np.arange(25)), ['a', 'b'], 'd').options(violin_color='b')
        plot = bokeh_renderer.get_plot(violin)
        source = plot.handles['patches_1_source']
        glyph = plot.handles['patches_1_glyph']
        cmapper = plot.handles['violin_color_color_mapper']
        self.assertEqual(source.data['violin_color'], b[::5])
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C', 'D', 'E'])
        self.assertEqual(glyph.fill_color, {'field': 'violin_color', 'transform': cmapper})
Example #6
Source File: testpointplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_points_colormapping_categorical(self):
        points = Points([(i, i*2, i*3, chr(65+i)) for i in range(10)],
                         vdims=['a', 'b']).opts(plot=dict(color_index='b'))
        plot = bokeh_renderer.get_plot(points)
        plot.initialize_plot()
        cmapper = plot.handles['color_mapper']
        self.assertIsInstance(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, list(points['b']))
Example #7
Source File: testpointplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_point_categorical_color_op(self):
        points = Points([(0, 0, 'A'), (0, 1, 'B'), (0, 2, 'C')],
                        vdims='color').options(color='color')
        plot = bokeh_renderer.get_plot(points)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['color'], np.array(['A', 'B', 'C']))
        self.assertEqual(glyph.fill_color, {'field': 'color', 'transform': cmapper})
        self.assertEqual(glyph.line_color, {'field': 'color', 'transform': cmapper})
Example #8
Source File: testpointplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_point_categorical_dtype_color_op(self):
        df = pd.DataFrame(dict(sample_id=['subject 1', 'subject 2', 'subject 3', 'subject 4'], category=['apple', 'pear', 'apple', 'pear'], value=[1, 2, 3, 4]))
        df['category'] = df['category'].astype('category')
        points = Points(df, ['sample_id', 'value']).opts(color='category')
        plot = bokeh_renderer.get_plot(points)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['apple', 'pear'])
        self.assertEqual(np.asarray(cds.data['color']), np.array(['apple', 'pear', 'apple', 'pear']))
        self.assertEqual(glyph.fill_color, {'field': 'color', 'transform': cmapper})
        self.assertEqual(glyph.line_color, {'field': 'color', 'transform': cmapper})
Example #9
Source File: testpointplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_point_explicit_cmap_color_op(self):
        points = Points([(0, 0), (0, 1), (0, 2)]).options(
            color='y', cmap={0: 'red', 1: 'green', 2: 'blue'})
        plot = bokeh_renderer.get_plot(points)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['0', '1', '2'])
        self.assertEqual(cmapper.palette, ['red', 'green', 'blue'])
        self.assertEqual(cds.data['color_str__'], ['0', '1', '2'])
        self.assertEqual(glyph.fill_color, {'field': 'color_str__', 'transform': cmapper})
        self.assertEqual(glyph.line_color, {'field': 'color_str__', 'transform': cmapper})
Example #10
Source File: testlabels.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_label_categorical_color_op(self):
        labels = Labels([(0, 0, 'A'), (0, 1, 'B'), (0, 2, 'C')],
                        vdims='color').options(text_color='color')
        plot = bokeh_renderer.get_plot(labels)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['text_color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['text_color'], np.array(['A', 'B', 'C']))
        self.assertEqual(glyph.text_color, {'field': 'text_color', 'transform': cmapper})
Example #11
Source File: testhistogramplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_histogram_categorical_color_op(self):
        histogram = Histogram([(0, 0, 'A'), (0, 1, 'B'), (0, 2, 'C')],
                              vdims=['y', 'color']).options(color='color')
        plot = bokeh_renderer.get_plot(histogram)
        cds = plot.handles['cds']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertTrue(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['A', 'B', 'C'])
        self.assertEqual(cds.data['color'], np.array(['A', 'B', 'C']))
        self.assertEqual(glyph.fill_color, {'field': 'color', 'transform': cmapper})
        self.assertEqual(glyph.line_color, 'black')
Example #12
Source File: testpathplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
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 = bokeh_renderer.get_plot(polygons)
        cds = plot.handles['source']
        glyph = plot.handles['glyph']
        cmapper = plot.handles['color_color_mapper']
        self.assertEqual(glyph.line_color, 'black')
        self.assertEqual(glyph.fill_color, {'field': 'color', 'transform': cmapper})
        self.assertEqual(cds.data['color'], np.array(['b', 'a']))
        self.assertIsInstance(cmapper, CategoricalColorMapper)
        self.assertEqual(cmapper.factors, ['b', 'a'])
Example #13
Source File: testpathplot.py    From holoviews with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
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'])