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

# # Vaex - Out of core dataframes
#  * vaex
#   * https://github.com/maartenbreddels/vaex
#   * http://vaex.io
# 
# Install from conda:
# 
# ```
# $ conda install -c conda-forge vaex
# ```
# 
# or pip
# ```
# $ pip install --pre vaex
# ```
# 
# Get some data at: https://docs.vaex.io/en/latest/datasets.html
# 

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import vaex


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ds = vaex.open('/Users/maartenbreddels/datasets/nytaxi/nyc_taxi2015.hdf5')
ds


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ds.plot_widget(ds.pickup_longitude, ds.pickup_latitude, f='log', backend='ipyleaflet', shape=400)


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ds = vaex.open("/Users/maartenbreddels/datasets/aquarius/Aq-A-2-999-shuffled.hdf5")
ds.set_active_fraction(0.1)


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ds.plot_widget(ds.x, ds.y, f='log1p')


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ds.plot_widget(ds.x, ds.y, ds.z, backend='ipyvolume', f='log1p', shape=128, 
                       smooth_post=1)