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https://github.com/flaport/mplppt

Save a matplotlib figure as a powerpoint presentation.
https://github.com/flaport/mplppt

Last synced: 5 months ago
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Save a matplotlib figure as a powerpoint presentation.

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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# MPLPPT\n",
"`mplppt` is a simple library made from some hacky scripts I used to use to convert matplotlib figures to powerpoint figures. Which makes this a hacky library, I guess 😀."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Goal"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"`mplppt` seeks to implement an alternative `savefig` function for `matplotlib` figures. This `savefig` function saves a `matplotlib` figure with a single axis to a powerpoint presentation with a single slide containing the figure. "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Installation\n",
"```bash\n",
"pip install mplppt\n",
"```"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Imports"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
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"outputs": [],
"source": [
"import mplppt\n",
"%matplotlib inline\n",
"import numpy as np\n",
"import matplotlib as mpl\n",
"import matplotlib.pyplot as plt"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Supported Conversions"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"`mplppt` supports [partly] conversion of the following matplotlib objects:\n",
"* Lines [`matplotlib.lines.Line2D`]\n",
"* Rectangles [`matplotlib.patches.Rectangle`]\n",
"* Polygons [`matplotlib.patches.Polygon`]\n",
"* pcolormesh [`matplotlib.collections.QuadMesh`]\n",
"* text [`matplotlib.text.Text`]\n",
"\n",
"so far `mplppt` does not (yet) support (out of many other things):\n",
"* markers (including tick marks)\n",
"* linestyle\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Simple Example\n",
"An example of all different conversions available for mplppt. Below we give an example of how all these objects can be combined into a single plot, which can then be exported to powerpoint:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# plot [Line2D]\n",
"x = np.linspace(-1,5)\n",
"y = np.sin(x)\n",
"plt.plot(x,y,color='C1')\n",
"\n",
"# rectangle\n",
"plt.gca().add_patch(mpl.patches.Rectangle((0, 0), 3, 0.5))\n",
"\n",
"# polygon\n",
"plt.gca().add_patch(mpl.patches.Polygon(np.array([[5.0,1.0],[4.0,-0.2],[2.0,0.6]]), color=\"red\"))\n",
"\n",
"# pcolormesh\n",
"x = np.linspace(0,1, 100)\n",
"y = np.linspace(0,1, 100)\n",
"X, Y = np.meshgrid(x,y)\n",
"Z = X**2 + Y**2\n",
"plt.pcolormesh(X,Y,Z)\n",
"\n",
"# text\n",
"text = plt.text(0,0,'hello')\n",
"\n",
"# set limits\n",
"plt.ylim(-0.5,1)\n",
"\n",
"# Save figure to pptx\n",
"mplppt.savefig('first_example.pptx')\n",
"\n",
"# show figure\n",
"plt.show()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Which results in a powerpoint slide which looks as follows:"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"![simple powerpoint export screenshot](img/slide.png)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Cool! What else can I do with this?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You are not bound to using matplotlib! The `mplppt` repository contains some standard powerpoint shapes that you can use. Try something like:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"ppt = mplppt.Group() # Create a new group of objects\n",
"ppt += mplppt.Rectangle(name='rect', x=0, y=0, cx=100, cy=100, slidesize=(10,5)) # add an object to the group\n",
"ppt.save('second_example.pptx') # export the group as a ppt slide"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Is any of this documented?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"No."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## How does this work?"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"The repository contains a template folder, which is nothing more than an empty powerpoint presentation which is unzipped. After making a copy of the template folder and adding some `xml` code for the shapes, the modified folder is zipped into a `.pptx` file."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Copyright"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"© Floris Laporte - MIT License"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
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"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
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"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
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"nbformat": 4,
"nbformat_minor": 2
}