Created
February 20, 2017 03:43
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Paste an image into a matlab plot to (x,y) coordinates
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| # coding=utf-8 | |
| """ | |
| This function adds a figure to (x,y) position to a plot. | |
| Autor: Pablo Pizarro @ppizarror.com, 2017. | |
| """ | |
| # Library importation | |
| import matplotlib.pyplot as plt | |
| from matplotlib.offsetbox import (OffsetImage, AnnotationBbox) | |
| from matplotlib.cbook import get_sample_data | |
| def addfigure_xy(x, y, ax, file_dir, zoom=1.0, imgformat='png'): | |
| """ | |
| Add a figure (from file direction) to a [x, y] position to a plot (stored in ax) | |
| :param x: Coordenate x to append file | |
| :param y: Coordenate y to append file | |
| :param ax: Matlab plot object to append file | |
| :param file_dir: Direction to file | |
| :param zoom: Image zoom | |
| :param imgformat: Format of the image | |
| :return: | |
| """ | |
| # Load image | |
| fn = get_sample_data(file_dir, asfileobj=False) | |
| arr_img = plt.imread(fn, format=imgformat) | |
| imagebox = OffsetImage(arr_img, zoom=zoom) | |
| imagebox.image.axes = ax | |
| # Create Annotation box | |
| ab = AnnotationBbox(imagebox, [x, y], frameon=False) | |
| ax.add_artist(ab) |
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