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matplotlib plt to numpy

Misty Mink answered on October 3, 2022 Popularity 4/10 Helpfulness 1/10

answer matplotlib plt to numpy

related matplotlib plt to numpy

matplotlib plt to numpy

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import io
import matplotlib
matplotlib.use('agg')  # turn off interactive backend
import matplotlib.pyplot as plt
import numpy as np

fig, ax = plt.subplots()
ax.plot(range(10))


def plot1():
    fig.canvas.draw()
    data = np.frombuffer(fig.canvas.tostring_rgb(), dtype=np.uint8)
    w, h = fig.canvas.get_width_height()
    im = data.reshape((int(h), int(w), -1))


def plot2():
    with io.BytesIO() as buff:
        fig.savefig(buff, format='png')
        buff.seek(0)
        im = plt.imread(buff)


def plot3():
    with io.BytesIO() as buff:
        fig.savefig(buff, format='raw')
        buff.seek(0)
        data = np.frombuffer(buff.getvalue(), dtype=np.uint8)
    w, h = fig.canvas.get_width_height()
    im = data.reshape((int(h), int(w), -1))

Popularity 4/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

Tags: matplotlib numpy plt python

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Contributed on Oct 03 2022

Misty Mink

0 Answers Avg Quality 2/10

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matplotlib plt to numpy

Comment

import io
import matplotlib
matplotlib.use('agg')  # turn off interactive backend
import matplotlib.pyplot as plt
import numpy as np

fig, ax = plt.subplots()
ax.plot(range(10))


def plot1():
    fig.canvas.draw()
    data = np.frombuffer(fig.canvas.tostring_rgb(), dtype=np.uint8)
    w, h = fig.canvas.get_width_height()
    im = data.reshape((int(h), int(w), -1))


def plot2():
    with io.BytesIO() as buff:
        fig.savefig(buff, format='png')
        buff.seek(0)
        im = plt.imread(buff)


def plot3():
    with io.BytesIO() as buff:
        fig.savefig(buff, format='raw')
        buff.seek(0)
        data = np.frombuffer(buff.getvalue(), dtype=np.uint8)
    w, h = fig.canvas.get_width_height()
    im = data.reshape((int(h), int(w), -1))

Popularity 4/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: plt matplotlib numpy python

Link to this answer
Share Copy Link

Contributed on Oct 03 2022

Misty Mink

0 Answers Avg Quality 2/10

matplotlib plt to numpy

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