Using matplotlib in Python for AutoCAD

 

There’s a couple of options when showing a plot from matplotlib,

1, is to use wxPython. This is nice because you can embed the plot with other controls, you also have the option of making the window modal, or put the plot in a palette.  There’s samples here and here

2, Is you just want to show the plot. Maybe you want to save the plot as a PNG and paste in into AutoCAD as a Raster image.

In this case, all you really need to do is make sure you call show with block=False

import PyRx as Rx

import PyGe as Ge

import PyGi as Gi

import PyDb as Db

import PyAp as Ap

import PyEd as Ed

import traceback

import matplotlib.pyplot as plt

import numpy as np

def PyRxCmd_doit():

    try:

        x = np.linspace(0.1, 2 * np.pi, 41)

        y = np.exp(np.sin(x))

       

        plt.stem(x, y)

        plt.show(block=False) #don't block

    except Exception as err:

        traceback.print_exception(err)