import argparse import configparser import logging import pathlib import matplotlib.animation as animation import matplotlib.pyplot as plt import numpy as np parser = argparse.ArgumentParser(description="Animate swash output") parser.add_argument("-v", "--verbose", action="count", default=0) args = parser.parse_args() logging.basicConfig(level=max((10, 20 - 10 * args.verbose))) log = logging.getLogger("post") log.info("Starting post-processing") config = configparser.ConfigParser() config.read("config.ini") inp = pathlib.Path(config.get("post", "inp")) root = pathlib.Path(config.get("swash", "out")) out = pathlib.Path(config.get("plot", "out")) out.mkdir(exist_ok=True) def data(var): return np.load(inp.joinpath(f"{var}.npy")) x = data("xp") t = data("tsec") watl = data("watl") botl = data("botl") wl = np.maximum(watl, -botl) # print(x.size, -np.arange(0, 1 * bathy.hstru.size, 1)[::-1].size) fig, ax = plt.subplots() ax.plot(x, -botl, c="k") # ax.fill_between( # x, -botl, -data["botl"] + bathy.hstru, color="k", alpha=0.2 # ) (line,) = ax.plot(x, wl[0]) def animate(i): line.set_ydata(wl[i]) return (line,) ani = animation.FuncAnimation( fig, animate, frames=wl[:, 0].size, interval=20, blit=True ) ani.save(out.joinpath("anim.mp4"))