牛批了,python也能做思维导图
Python技术
共 6488字,需浏览 13分钟
·
2021-04-04 08:31
思维导图是一种形象的展示各级隶属关系的图形,它具有较强的逻辑性和可视性,能够帮助理清工作思路。
今天教大家如何用pyecharts画思维导图。
一、基本思维导图
from pyecharts import options as opts
from pyecharts.charts import Tree
data = [
{
"name": "python变量",
"children": [
{"name": "字符串",
"children": [{"name": "实例1:'abc'"}, {"name": "实例2:'123abc'"}]},
{"name": "列表",
"children": [{"name": "实例1:[a,b,c]"}, {"name": "实例2:'[1,2,3]"}]},
{"name": "字典",
"children": [{"name": "实例1:{1:'a','2':'b'}}"}, {"name": "实例2:'{a:[1,2,3],'2':(1,2))}"}]},
{"name": "元组",
"children": [{"name": "实例1:(1,2,3)}"}, {"name": "实例2:(a,b,c)"}]}
]}
]
c = (
Tree()
.add("", data)
)
c.render_notebook()
下面咱们解析一下数据格式:
整个数据是1个列表,列表内只有1个字典元素,字典以“name”为键的值为思维导图的起点,以“children”为键的值为name的下一节点,其值仍为列表格式,依次类推。
二、向左发散思维导图
from pyecharts import options as opts
from pyecharts.charts import Tree
data = [
{
"name": "python变量",
"children": [
{"name": "字符串",
"children": [{"name": "实例1:'abc'"}, {"name": "实例2:'123abc'"}]},
{"name": "列表",
"children": [{"name": "实例1:[a,b,c]"}, {"name": "实例2:'[1,2,3]"}]},
{"name": "字典",
"children": [{"name": "实例1:{1:'a','2':'b'}}"}, {"name": "实例2:'{a:[1,2,3],'2':(1,2))}"}]},
{"name": "元组",
"children": [{"name": "实例1:(1,2,3)}"}, {"name": "实例2:(a,b,c)"}]}
]}
]
c = (
Tree()
.add("",
data,
collapse_interval=3,
layout = "orthogonal",
orient="LR",)
)
c.render_notebook()
参数介绍:
collapse_interval:代表分支之间的间隔
orient:正交布局,对应有 水平 方向的 从左到右,从右到左;以及垂直方向的从上到下,从下到上。取值分别为 'LR' , 'RL', 'TB', 'BT'。
三、径向分布思维导图
所谓径向,即是不像上面那种垂直或者水平分布,而是以根节点为圆心,每一层节点为环,一层层向外发散绘制而成的布局
from pyecharts import options as opts
from pyecharts.charts import Tree
data = [
{
"name": "python变量",
"children": [
{"name": "字符串",
"children": [{"name": "实例1:'abc'"}, {"name": "实例2:'123abc'"}]},
{"name": "列表",
"children": [{"name": "实例1:[a,b,c]"}, {"name": "实例2:'[1,2,3]"}]},
{"name": "字典",
"children": [{"name": "实例1:{1:'a','2':'b'}}"}, {"name": "实例2:'{a:[1,2,3],'2':(1,2))}"}]},
{"name": "元组",
"children": [{"name": "实例1:(1,2,3)}"}, {"name": "实例2:(a,b,c)"}]}
]}
]
c = (
Tree()
.add("",
data,
collapse_interval=3,
layout="radial",)
)
c.render_notebook()
layout:代表布局,有2种形式,上述两种为'orthogonal'正交分布,'radial'代表径向分布,请大家注意,径向分布下orient参数是没有意义的
四、圆形思维导图
from pyecharts import options as opts
from pyecharts.charts import Tree
import requests,json
response=requests.get('https://echarts.apache.org/examples/data/asset/data/flare.json')
data=json.loads(response.text)
c = (
Tree()
.add("",
data=[data],
pos_top="18%",
pos_bottom="14%",
layout="radial",
symbol="emptyCircle",
symbol_size=7,)
.set_global_opts(
tooltip_opts=opts.TooltipOpts(trigger="item", trigger_on="mousemove")
)
)
c.render_notebook()
参数介绍:
pos_top:tree组件离容器上侧的距离
pos_bottom:tree 组件离容器下侧的距离
symbol:标记的图形
symbol_size:标记的大小
-完-
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