From e4eda5e333032ce0d4a6a7c9d11c4f67dc241d3f Mon Sep 17 00:00:00 2001 From: Eugene Prilepin Date: Mon, 13 Jan 2020 06:15:50 +0300 Subject: [PATCH] Update images in readme --- README.md | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/README.md b/README.md index 75bcf10..c69fc8f 100644 --- a/README.md +++ b/README.md @@ -43,41 +43,40 @@ plt.plot(x, y, 'o', xs, ys, '-') plt.show() ``` -![csaps1d](https://user-images.githubusercontent.com/1299189/27611703-f3093c14-5b9b-11e7-9f18-6d0c3cc7633a.png) +![univariate](https://user-images.githubusercontent.com/1299189/72231304-cd774380-35cb-11ea-821d-d5662cc1eedf.png) A surface data smoothing: ```python import numpy as np - import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from csaps import csaps -xdata = [np.linspace(-3, 3, 61), np.linspace(-3.5, 3.5, 51)] +np.random.seed(1234) +xdata = [np.linspace(-3, 3, 41), np.linspace(-3.5, 3.5, 31)] i, j = np.meshgrid(*xdata, indexing='ij') - ydata = (3 * (1 - j)**2. * np.exp(-(j**2) - (i + 1)**2) - 10 * (j / 5 - j**3 - i**5) * np.exp(-j**2 - i**2) - 1 / 3 * np.exp(-(j + 1)**2 - i**2)) +ydata = ydata + (np.random.randn(*ydata.shape) * 0.75) -np.random.seed(12345) -noisy = ydata + (np.random.randn(*ydata.shape) * 0.75) +ydata_s = csaps(xdata, ydata, xdata, smooth=0.988) -ysmth = csaps(xdata, noisy, xdata, smooth=0.988) - -fig = plt.figure() +fig = plt.figure(figsize=(7, 4.5)) ax = fig.add_subplot(111, projection='3d') - -ax.plot_wireframe(j, i, noisy, linewidths=0.5, color='r') -ax.scatter(j, i, noisy, s=5, c='r') -ax.plot_surface(j, i, ysmth, linewidth=0, alpha=1.0) +ax.set_facecolor('none') +c = [s['color'] for s in plt.rcParams['axes.prop_cycle']] +ax.plot_wireframe(j, i, ydata, linewidths=0.5, color=c[0], alpha=0.5) +ax.scatter(j, i, ydata, s=10, c=c[0], alpha=0.5) +ax.plot_surface(j, i, ydata_s, color=c[1], linewidth=0, alpha=1.0) +ax.view_init(elev=9., azim=290) plt.show() ``` -2019-03-22_10-22-59 +![surface](https://user-images.githubusercontent.com/1299189/72231252-7a9d8c00-35cb-11ea-8890-487b8a7dbd1d.png) ## Documentation