Resampling¶

See resample

In [1]:

import numpy as np
import matplotlib.pyplot as plt
import gmspy as gm

ts, acc = gm.load_gm_examples("Imperial_Valley")
dt = ts[1] - ts[0]
dtis = [dt / 2, 2 * dt]

colors = ["b", "r"]
fig, ax = plt.subplots(figsize=(9, 4))
ax.hlines(0, np.min(ts), np.max(ts), lw=0.5, colors="gray")
ax.plot(ts, acc, c="gray", lw=1, label=f"origin, dt={dt}, num={len(ts)}", alpha=1)
for i, dti in enumerate(dtis):
    ts2, acc2 = gm.resample(dt, acc, dti)
    ax.plot(ts2, acc2, c=colors[i], lw=1, alpha=1, label=f"dti={dti}, num={len(ts2)}")
ax.set_xlim(np.min(ts), np.max(ts))
ax.grid(False)
ax.set_ylabel("acceleration", fontsize=12)
ax.tick_params(labelsize=12)
ax.legend(fontsize=12)
plt.show()

import numpy as np import matplotlib.pyplot as plt import gmspy as gm ts, acc = gm.load_gm_examples("Imperial_Valley") dt = ts[1] - ts[0] dtis = [dt / 2, 2 * dt] colors = ["b", "r"] fig, ax = plt.subplots(figsize=(9, 4)) ax.hlines(0, np.min(ts), np.max(ts), lw=0.5, colors="gray") ax.plot(ts, acc, c="gray", lw=1, label=f"origin, dt={dt}, num={len(ts)}", alpha=1) for i, dti in enumerate(dtis): ts2, acc2 = gm.resample(dt, acc, dti) ax.plot(ts2, acc2, c=colors[i], lw=1, alpha=1, label=f"dti={dti}, num={len(ts2)}") ax.set_xlim(np.min(ts), np.max(ts)) ax.grid(False) ax.set_ylabel("acceleration", fontsize=12) ax.tick_params(labelsize=12) ax.legend(fontsize=12) plt.show()