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"source": [
"## Size category legend\n",
"\n",
"The `size-category` type draws a legend based on categorical data and geometry type using either the `size` (default) or `stroke_width` property of your visualization.\n",
"\n",
"To view available legend parameters, run `help(size_category_legend)`\n",
"\n",
"In this example, the size category legend reads from the `size` property to draw a legend with symbol sizes assigned to categories of cities."
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"from cartoframes.auth import set_default_credentials\n",
"\n",
"set_default_credentials('cartoframes')"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from cartoframes.viz import Layer, size_category_style, size_category_legend\n",
"\n",
"Layer(\n",
" 'spain_populated_places',\n",
" size_category_style(\n",
" 'featurecla',\n",
" cat=['Populated place','Admin-1 capital', 'Admin-0 capital'],\n",
" size_range=[3,7,15]\n",
" ),\n",
" legends=size_category_legend(\n",
" title='Spanish Cities',\n",
" footer='Source: Natural Earth'\n",
" )\n",
")"
]
}
],
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