{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Exploring the WMS with OWSLib"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"surface_flag\n",
"CRW_DHW\n",
"CRW_HOTSPOT\n",
"CRW_SST\n",
"CRW_SSTANOMALY\n"
]
}
],
"source": [
"from owslib.wms import WebMapService\n",
"\n",
"\n",
"url = 'http://oos.soest.hawaii.edu/thredds/wms/hioos/satellite/dhw_5km'\n",
"\n",
"web_map_services = WebMapService(url)\n",
"\n",
"print('\\n'.join(web_map_services.contents.keys()))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Layer metadata"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"layer = 'CRW_SST'\n",
"wms = web_map_services.contents[layer]\n",
"\n",
"name = wms.title\n",
"\n",
"lon = (wms.boundingBox[0] + wms.boundingBox[2]) / 2.\n",
"lat = (wms.boundingBox[1] + wms.boundingBox[3]) / 2.\n",
"center = lat, lon\n",
"\n",
"time_interval = '{0}/{1}'.format(\n",
" wms.timepositions[0].strip(),\n",
" wms.timepositions[-1].strip()\n",
")\n",
"style = 'boxfill/sst_36'\n",
"\n",
"if style not in wms.styles:\n",
" style = None"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Single layer"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"import folium\n",
"from folium import plugins\n",
"\n",
"lon, lat = -50, -40\n",
"\n",
"m = folium.Map(\n",
" location=[lat, lon],\n",
" zoom_start=5,\n",
" control_scale=True\n",
")\n",
"\n",
"w = folium.raster_layers.WmsTileLayer(\n",
" url=url,\n",
" name=name,\n",
" styles=style,\n",
" fmt='image/png',\n",
" transparent=True,\n",
" layers=layer,\n",
" overlay=True,\n",
" COLORSCALERANGE='1.2,28',\n",
")\n",
"\n",
"w.add_to(m)\n",
"\n",
"time = plugins.TimestampedWmsTileLayers(\n",
" w,\n",
" period='PT1H',\n",
" time_interval=time_interval\n",
")\n",
"\n",
"time.add_to(m)\n",
"\n",
"folium.LayerControl().add_to(m)\n",
"\n",
"m"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Multiple layers"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"m = folium.Map(\n",
" location=[lat, lon],\n",
" zoom_start=5,\n",
" control_scale=True\n",
")\n",
"\n",
"w0 = folium.raster_layers.WmsTileLayer(\n",
" url=url,\n",
" name='sea_surface_temperature',\n",
" styles=style,\n",
" fmt='image/png',\n",
" transparent=True,\n",
" layers='CRW_SST',\n",
" overlay=True,\n",
")\n",
"\n",
"w1 = folium.raster_layers.WmsTileLayer(\n",
" url=url,\n",
" name='analysed sea surface temperature anomaly',\n",
" styles=style,\n",
" fmt='image/png',\n",
" transparent=True,\n",
" layers='CRW_SSTANOMALY',\n",
" overlay=True,\n",
")\n",
"\n",
"w0.add_to(m)\n",
"w1.add_to(m)\n",
"\n",
"time = folium.plugins.TimestampedWmsTileLayers(\n",
" [w0, w1],\n",
" period='PT1H',\n",
" time_interval=time_interval\n",
")\n",
"\n",
"time.add_to(m)\n",
"\n",
"folium.LayerControl().add_to(m)\n",
"\n",
"m"
]
}
],
"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": "3.6.2"
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"nbformat": 4,
"nbformat_minor": 2
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