#!/usr/bin/env python
# coding: utf-8

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from lets_plot import *
import numpy as np
LetsPlot.setup_html()


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def f(x, y):
    return x * y

x = np.arange(1, 11, 1)
y = np.arange(1, 11, 1)
X, Y = np.meshgrid(x, y)

df = dict(
    x = X.reshape(-1),
    y = Y.reshape(-1),
    value = f(X, Y).reshape(-1)
)


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p1 = ggplot(df, aes('x', 'y')) + geom_tile(aes(fill = 'value'))


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# Basic form

p1 + scale_fill_continuous(guide = "colorbar")


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p1 + scale_fill_continuous(guide = guide_colorbar())


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p1 + guides(fill = guide_colorbar())


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# Remove guide

p1 + scale_fill_continuous(guide = 'none')


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p1 + guides(fill = 'none')


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# Control styles

p1 + scale_fill_continuous(guide = guide_colorbar(barwidth = 10))


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p1 + guides(fill = guide_colorbar(barwidth = 10))


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p1 + scale_fill_continuous(limits = [0,20], breaks = [0, 5, 10, 15, 20], guide = guide_colorbar(nbin=5))


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p2 = p1 + geom_point(aes(size = 'value'))
p2


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p2 + guides(size = guide_legend(nrow=3), fill = guide_colorbar(nbin = 8))


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# independent guides control
(
    p2 
    + scale_size(guide = guide_legend(nrow=3))
    + scale_fill_continuous(guide = guide_colorbar(nbin = 8)) 
)


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(
    p2 
    + scale_size(guide = guide_legend(nrow=3))
    + guides(fill = guide_colorbar(nbin = 8))
)