问题描述
我有这个基本的散点图,我正在尝试修改一些点的半径和颜色。
我使用import pandas as pd
df = pd.DataFrame([
['Alice','1715386','PDF Rule'],['John','17172319','PDF-DDD'],['Mark','14819611','PDF'],['Sarah','14881611',['Dee','846620760','PDF Rule']
],columns=['Name','ID_NB','Rule_Name'])
print(df)
Name ID_NB Rule_Name
0 Alice 1715386 PDF Rule
1 John 17172319 PDF-DDD
2 Mark 14819611 PDF
3 Sarah 14881611 PDF Rule
4 Dee 846620760 PDF Rule
list_string = ["PDF-DDD","PDF"]
res = df[~df['Rule_Name'].isin(list_string)]
print(res)
Name ID_NB Rule_Name
0 Alice 1715386 PDF Rule
3 Sarah 14881611 PDF Rule
4 Dee 846620760 PDF Rule
包,根据它们的docs\examples,应该为charts_flutter
对象提供一个colorFn
和一个radiusPxFn
属性。
这是我到目前为止编写的相关代码:
charts.Series
当我在class VennDiagramWidget extends StatefulWidget {
@override
_VennState createState() => _VennState();
}
class _VennState extends State<VennDiagramWidget> {
List<charts.Series<VennCircle,int>> circlesList;
static List<charts.Series<VennCircle,int>> _createRandomCircles() {
final circles = [
VennCircle(1,5,0.8,'Venn1'),VennCircle(2,10,0.5,'Venn2'),VennCircle(3,20,1,'Venn3'),];
return [
new charts.Series(
id: 'Circles',data: circles,domainFn: (VennCircle venn,_) => venn.circleSize,measureFn: (VennCircle venn,_) => venn.opacity),colorFn:
];
}
scatterPlot() {
return charts.ScatterPlotChart(
circlesList,animate: true,);
}
内键入colorFn
时,出现了charts.Series
的错误(undefined name
也是如此)
还有另一种修改尺寸和颜色属性的方法吗?我在这里做错什么了吗?
解决方法
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