下面的公文发文的流程图，虽然流程环节有坐标信息，但graphviz设置pos参数效果也不是太好  

问题在于如何为流程环节设置绝对坐标

 

D:\Study\myproject\Python_auto_office\flow_report\utils\draw_image.py

'''通过xml流程文件绘制流程图'''
import graphviz  # doctest: +NO_EXE
import get_diy_obj_list as gd
#变量
#流程id
#输入xml路径,输出的目录,图的名字
def draw_image(xml_path,result_path,name):#获取两个自定义的数据类型activity_obj_list = gd.get_activity_obj_list(xml_path)#对环节自定义的数据类型列表进行排序# activity_obj_list.sort(cmp=None,key=lambda x:x. sa )activity_new_obj_list = sorted(activity_obj_list,key=lambda y:(int(y.activity_y)))for each in activity_new_obj_list:print("############")print(each.activity_id)print(each.activity_name)print(each.activity_x)print(each.activity_y)print("############")transition_obj_list=gd.get_transition_obj_list(xml_path)#环节id列表activity_id_list=[]for each in activity_new_obj_list:activity_id_list.append(each.activity_id)#环节name列表activity_name_list=[]for each in activity_new_obj_list:activity_name_list.append(each.activity_name)#环节x坐标列表activity_x_list=[]for each in activity_new_obj_list:activity_x_list.append(each.activity_x)#环节y坐标列表activity_y_list=[]for each in activity_new_obj_list:activity_y_list.append(each.activity_y)# print("y坐标列表")# print(activity_y_list)#连线from列表transition_from_list=[]for each in transition_obj_list:transition_from_list.append(each.transition_from)#连线to列表transition_to_list=[]for each in transition_obj_list:transition_to_list.append(each.transition_to)#连线标签列表transition_name_list=[]for each in transition_obj_list:transition_name_list.append(each.transition_name)dot = graphviz.Digraph(name='我的流程图',comment='添加到源码第一行的注释',filename=name,directory=None,format='png', #bmp gif ico jpg json pdf png svg tifengine='dot',#dot neato fdpencoding='utf8',# graph_attr={'rankdir':'TB','splines':'ortho'},graph_attr={'rankdir':'TB',#布局方式从上到下'splines':'spline'#  弧线 curved（不行）折线 ortho(不行)  直线 polyline（不行 ） 线 line(不行) 线 spline（ok)},node_attr={'color':'green','fontcolor':'brown','fontname':'FangSong','fontsize':'10','style':'rounded','shape':'box'},edge_attr={'color':'red','fontcolor':'#000FF0','fontsize':'10','fontname':'FangSong','arrowsize':'0.5'#箭头大小},body=None,strict=False
)i=0for activitie_id,activitie_name,activity_x,activity_y in zip(activity_id_list,activity_name_list,activity_x_list,activity_y_list):print(activitie_id)dot.node(activitie_id,activitie_name,{'shape':'rect','color':'green','fontcolor':'black','rank':'min','imagepos':'tc',#   'pos':str(int(activity_x))+','+str(int(activity_y)),#   'pin':'True'})for transition_from,transition_to,transitions_lab in zip(transition_from_list,transition_to_list,transition_name_list):dot.edge(transition_from,transition_to,label=transitions_lab)print(dot)  #doctest: +NORMALIZE_WHITESPACE# dot.view(directory="C:\\Users\\human\\Desktop\\")dot.view(directory=result_path)# dot.view()

D:\Study\myproject\Python_auto_office\flow_report\utils\get_diy_obj_list.py

自定义对像的包

#001.导入个性化操作xml的包
import xml_handle as xh
#002.导入环节的数据类型
import activity_class as ac
#003.导入连线的数据类型
import transition_class as tc#xml路径
#绘图
# activity_id,
# activity_name,
# activity_x,
# activity_y,
# transition_id,
# transition_name,
# transition_from,
# transition_to,
# transition_lab
#输入xml的路径
#返回一个自定义环节对象列表
def get_activity_obj_list(full_name_path):#01.用于存放绘图自定义数据对象列表activity_obj_list=[]#环节#02.环节idactivity_id= xh.get_activity_id_list(full_name_path)#03.环节nameactivity_name= xh.get_activity_name_list(full_name_path)#04.环节x坐标activity_x = xh.get_activity_x_list(full_name_path)#04.环节y坐标activity_y = xh.get_activity_y_list(full_name_path)# print(activity_id)# print(activity_name)# print(activity_x)# print(activity_y) for id,name,x,y in zip(activity_id,activity_name,activity_x,activity_y):     temp_ac=ac.activity(id,name,x,y)activity_obj_list.append(temp_ac)# print(draw_activity_list)return activity_obj_list   #返回一个自定义连线对象列表
def get_transition_obj_list(full_name_path):#01.用于存放绘图自定义数据对象列表transition_obj_list=[]#连线#02.连线idtransition_id= xh.get_transition_id_list(full_name_path)#03.连线nametransition_name= xh.get_transition_name_list(full_name_path)#04.连线起点transition_from = xh.get_transition_from_list(full_name_path)#04.连线终点transition_to = xh.get_transition_to_list(full_name_path)for id,name,t_from,t_to in zip(transition_id,transition_name,transition_from,transition_to):     temp_tc=tc.transition(id,name,t_from,t_to)transition_obj_list.append(temp_tc)return transition_obj_list