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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"from bqplot import pyplot as plt\n",
"import ipywidgets as widgets\n",
"import numpy as np"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# generate some fake \n",
"n = 2000\n",
"x = np.linspace(0.0, 10.0, n)\n",
"np.random.seed(0)\n",
"y = np.cumsum(np.random.randn(n)*10).astype(int)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"fig_hist = plt.figure( title='Histogram')\n",
"hist = plt.hist(y, bins=25)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"hist.bins = 10;"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"slider = widgets.IntSlider(description='Bins number', min=1, max=100, v_model=30)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"scrolled": false
},
"outputs": [],
"source": [
"widgets.link((hist, 'bins'), (slider, 'value'))\n",
"\n",
"fig_lines = plt.figure( title='Line Chart')\n",
"lines = plt.plot(x, y)\n",
"\n",
"fig_lines.layout.width = 'auto'\n",
"fig_lines.layout.height = 'auto'\n",
"fig_hist.layout.width = 'auto'\n",
"fig_hist.layout.height = 'auto'\n",
"\n",
"grid_layout = widgets.GridspecLayout(5, 3)\n",
"\n",
"grid_layout[:2, :] = fig_lines\n",
"grid_layout[2:4, :] = fig_hist\n",
"grid_layout[4, 1] = slider\n",
"\n",
"grid_layout.layout.height = '1000px'\n",
"\n",
"grid_layout"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"selector = plt.brush_int_selector()\n",
"def update_range(*ignore):\n",
" if selector.selected is not None and len(selector.selected) == 2:\n",
" xmin, xmax = selector.selected\n",
" mask = (x > xmin) & (x < xmax)\n",
" hist.sample = y[mask]\n",
"selector.observe(update_range, 'selected') "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
},
"widgets": {
"application/vnd.jupyter.widget-state+json": {
"state": {},
"version_major": 2,
"version_minor": 0
}
}
},
"nbformat": 4,
"nbformat_minor": 4
}
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