简介：本文给出了将matlibplot的图片组合成动图对应的子程序。

关键词： PlotGIF，动图

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问题来源

文章目录

附件程序

子程序

headm.py

tsdraw程序

§01 问题来源

今天在推文 应用在机器学习中的聚类数据集产生方法 中的后面有人留言询问：

m0_60067953 ：headm这个包怎么安装啊还有pltgif = PlotGIF()也报错，没有这个函数

下面将PlotGIF() 中对应的程序给出。

§02 附件程序

一、子程序

首先在headm.py中给出了平时应用程序时常应用到连接。如下。

对于PlotGIF（）相关是其中的 tsdraw Python程序。因此在引入的时候，只需要将tsdraw 引入程序即可。 tsdraw在后面给出。

1、headm.py

import sys, os
sys.path.append(r'd:\python\teasoft')
STDFILE = open(r'd:\python\std.txt', 'a', 1)
sysstderr = sys.stderr
sysstdout = sys.stdout
sys.stderr = STDFILE
sys.stdout = STDFILEfrom threading import Thread
import time, math, winsound, clipboard, random
from numpy import *from tsmodule.tspdata   import *
from tsmodule.tspyt     import *
from tsmodule.tscmd     import *
from tsmodule.tsdopop   import *
from tsmodule.tsdraw    import *
import tsmodule.tsconfig
import matplotlib.pyplot as pltdef setpltrange(posx=2000, posy=550, width=800, height=640):cmfw = plt.get_current_fig_manager().windowcmfw.setGeometry(posx, posy, width, height)setpltrange()
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False

2、tsdraw程序

下面给出了tsdraw程序。注意，将其中的````printf 都替换成 print 即可。

实现转换成将 matlibplot 的图片转换成GIF主要是其中 PlotGIF类。具体使用可以参见前面的应用在机器学习中的聚类数据集产生方法 中给出的应用举例即可。

from PIL import Imageclass PlotGIF(object):def __init__(self, gifdir=r'd:\temp\GIF'):self.gifdir = gifdirself.imageDim = []self.count = 0if os.path.isdir(gifdir) == False:os.mkdir(gifdir)def infor(self, ):printf(self.gifdir, self.count)def __str__(self, ):return 'gifdir:%s'%self.dirdef append(self, plt):filename = os.path.join(self.gifdir, '%04d.jpg'%self.count)self.count = self.count + 1plt.savefig(filename)self.imageDim.append(Image.open(filename))def appendbox(self, boxid, side=0):filename = os.path.join(self.gifdir, '%04d.jpg'%self.count)self.count = self.count + 1tspsaveimagebox(boxid, filename, side)self.imageDim.append(Image.open(filename))def appendrange(self, rangeid, side=0):filename = os.path.join(self.gifdir, '%04d.jpg'%self.count)self.count = self.count + 1tspsaveimagerange(rangeid, filename, side)self.imageDim.append(Image.open(filename))def save(self, giffile=r'd:\temp\gif1.gif', period=100, last=100):duration = [period] * len(self.imageDim)duration[-1] = lastself.imageDim[0].save(giffile,\save_all=True,\append_images=self.imageDim[1:],\duration=duration,loop=False)self.imageDim = []self.count = 0file_stats = os.stat(giffile)printf('%s size:%5.2fM\a'%(giffile, file_stats.st_size / (1000*1000.0)))def dop2gif(giffile=r'd:\temp\gif1.gif', gifid=0, period=50, last=50):dopfilename = tspgetresourcefile(gifid)if os.path.isfile(dopfilename) == False: return 1filedir = os.path.dirname(dopfilename)filedim = os.listdir(filedir)imageDim = []for f in filedim:imageDim.append(Image.open(os.path.join(filedir, f)))duration = [period] * len(imageDim)duration[-1] = lastimageDim[0].save(giffile,save_all=True,append_images=imageDim[1:],duration=duration,loop=False)printf('Save GIF: %s'%giffile)return 0def dir2gif(giffile=r'd:\temp\gif1.gif', gifdir=r'd:\temp\gif', period=50, last=50):filedir = gifdirfiledim = os.listdir(filedir)if len(filedim) == 0: return 0imageDim = []for f in filedim:imageDim.append(Image.open(os.path.join(filedir, f)))duration = [period] * len(imageDim)duration[-1] = lastimageDim[0].save(giffile,save_all=True,append_images=imageDim[1:],duration=duration,loop=False)printf('Save GIF: %s'%giffile)return 0def filedim2gif(giffile=r'd:\temp\gif1.gif', filedim=[], period=50, last=50):if len(filedim) ==0: return 0imageDim = []for f in filedim:imageDim.append(Image.open(os.path.join(filedir, f)))duration = [period] * len(imageDim)duration[-1] = lastimageDim[0].save(giffile,\save_all=True,\append_images=imageDim[1:],\duration=duration,loop=False)printf('Save GIF: %s'%giffile)return 0def files2gif(giffile=r'd:\temp\gif1.gif', filename=r'd:\temp\gif\0000.jpg', number=0, period=50, last=50):if len(filename) == 0: return 0if number == 0: return 0removeflag = 0if number < 0:number = -numberremoveflag = 1filedir = os.path.dirname(filename)fileext = filename.split('.')[-1]imageDim = []for i in range(number):files = os.path.join(filedir, '%04d.%s'%(i, fileext))imageDim.append(Image.open(files))if removeflag == 1: os.remove(files)durations = [period] * len(imageDim)durations[-1] = lastimageDim[0].save(giffile,save_all=True,append_images=imageDim[1:],duration=durations,loop=False)printf('Save GIF: %s'%giffile)return 0def tempgifdir():gifdir = r'd:\temp\GIF'if os.path.isdir(gifdir) == False:os.mkdir(gifdir)return gifdirfiles = os.listdir(gifdir)for f in files:if os.path.isfile(f):os.remove(os.path.join(gifdir, f))return gifdir

二、相关博文

与生成GIF文件相关的博文，还可以参见： 如何使用Python语言将测量数据曲线动起来？ matplotlib转换成 GIF文件

■ 相关文献链接:

应用在机器学习中的聚类数据集产生方法
如何使用Python语言将测量数据曲线动起来？ matplotlib转换成 GIF文件
应用在机器学习中的聚类数据集产生方法

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