Contents

Interactive maps

In this notebook, we will explore other capabilities of the hvPlot ecosystem. The associated functions allow to create plots with many interactive tools and features, including linked panning and brushing, and hover inspectors.

In particular, we will look at the VectorField method, using the AIMS eReefs database.

See also

For other inspirational functionalities, you might be interested in the examples from the HoloViews and GeoViews gallery.

Load the required Python libraries

First of all, load the necessary libraries. These are the ones we discussed previously:

  • numpy

  • matplotlib

  • cartopy

  • xarray

  • holoviews

  • geoviews

import os
import numpy as np
import xarray as xr

import cartopy
import cartopy.crs as ccrs
import cartopy.feature as cfeature
from cartopy.mpl.gridliner import LONGITUDE_FORMATTER, LATITUDE_FORMATTER
cartopy.config['data_dir'] = os.getenv('CARTOPY_DIR', cartopy.config.get('data_dir'))

import cmocean

import holoviews as hv
from holoviews import opts, dim

import geoviews as gv
import geoviews.feature as gf
from cartopy import crs

gv.extension('bokeh')

import warnings
warnings.filterwarnings("ignore", category=RuntimeWarning)