【Python学习系列二十八】绘图库pyecharts

来源：互联网发布：青少年行知实践园的题编辑：程序博客网时间：2024/05/22 14:36

网址：https://github.com/chenjiandongx/pyecharts

安装：pip install pyecharts

参考代码：

# -*- coding: utf-8 -*-import sysdefaultencoding = 'utf-8'if sys.getdefaultencoding() != defaultencoding:    reload(sys)    sys.setdefaultencoding(defaultencoding)    import pandas as pdimport numpy as npfrom pyecharts import Graph '''adj = pd.read_csv("D:\\tmp\\gy_contest_link_top.txt", delimiter=';',dtype={'in_links': np.str, 'out_links': str})adj = adj.fillna('')adj=adj['link_ID'].astype(str)info = pd.read_csv("D:\\tmp\\gy_contest_link_info.txt", delimiter=';')info=info.astype(str)nodes = [{"name": n, "symbolSize": info[info.link_ID == n]['width'].values[0]} for n in adj.link_ID.values]links = []for (link, inl, outl) in adj.values:    for ol in outl.split("#"):        links.append({"source": link, "target": ol, "value": info[info.link_ID==link]['length'].values[0]+(0 if ol == '' else info[info.link_ID==ol]['length'].values[0])})    for il in inl.split("#"):        links.append({"source": il, "target": link, "value": info[info.link_ID==link]['length'].values[0]+(0 if il == '' else info[info.link_ID==il]['length'].values[0])})'''f = open("D:\\tmp\\gy_contest_link_top.txt", "r")  nodelist=[]edgelist=[]while True:      line = f.readline()      if line:          pass    # do something here         line=line.strip()        node=line.split(';')[0]#获取图节点        nodelist.append(node)                in_nodes=line.split(';')[1].split('#')#获取图边，该节点是终点              for ins in range( len(in_nodes) ) :            if in_nodes[ins].strip() !='':                 in_edge=(in_nodes[ins],node)                if in_edge not in edgelist:                    edgelist.append(in_edge)                            out_nodes=line.split(';')[2].split('#')#获取图边，该节点是起点          for ins in range( len(out_nodes) ) :            if out_nodes[ins].strip() !='':                 out_edge=(node,out_nodes[ins])                if out_edge not in edgelist:                    edgelist.append(out_edge)    else:          breakf.close()del nodelist[0] #删除表头生成的节点del edgelist[0]del edgelist[0] #删除表头生成的边graph = Graph("道路图", width=1600, height=800)graph.add("", nodelist, edgelist, is_label_show=False, repulsion=1000, label_text_color=None, gravity=0.001)graph.show_config()# plt.show()graph.render('D:\\tmp\\out.html')

阅读全文

0 0