Created
April 16, 2018 19:29
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source: https://stackoverflow.com/questions/21754976/ import numpy as np
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# source: https://stackoverflow.com/questions/21754976/ | |
import numpy as np | |
from IPython.display import HTML | |
import io | |
import base64 | |
class FlowLayout(object): | |
''' A class / object to display plots in a horizontal / flow layout below a cell ''' | |
def __init__(self): | |
# string buffer for the HTML: initially some CSS; images to be appended | |
self.sHtml = """ | |
<style> | |
.floating-box { | |
display: inline-block; | |
margin: 10px; | |
border: 3px solid #888888; | |
} | |
</style> | |
""" | |
def add_plot(self, oAxes): | |
''' Saves a PNG representation of a Matplotlib Axes object ''' | |
Bio=io.BytesIO() # bytes buffer for the plot | |
fig = oAxes.get_figure() | |
fig.canvas.print_png(Bio) # make a png of the plot in the buffer | |
# encode the bytes as string using base 64 | |
sB64Img = base64.b64encode(Bio.getvalue()).decode() | |
self.sHtml+= ( | |
'<div class="floating-box">'+ | |
'<img src="data:image/png;base64,{}\n">'.format(sB64Img)+ | |
'</div>') | |
def PassHtmlToCell(self): | |
''' Final step - display the accumulated HTML ''' | |
display(HTML(self.sHtml)) |
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