仪表盘刻度的显示范围自定义，起点设置为自定义的最小值，有方法吗

[xiao15934831580]

const Shape = G2.Shape;
// 自定义Shape 部分
Shape.registerShape('point', 'pointer', {
drawShape(cfg, group) {
const center = this.parsePoint({ // 获取极坐标系下画布中心点
x: 0,
y: 0
});
// 绘制指针
group.addShape('line', {
attrs: {
x1: center.x,
y1: center.y,
x2: cfg.x,
y2: cfg.y,
stroke: cfg.color,
lineWidth: 5,
lineCap: 'round'
}
});
return group.addShape('circle', {
attrs: {
x: center.x,
y: center.y,
r: 9.75,
stroke: cfg.color,
lineWidth: 4.5,
fill: '#fff'
}
});
}
});

const data = [
{ value: 5.6 }
];
const chart = new G2.Chart({
container: 'container',
forceFit: true,
height: 500,
padding: [ 0, 0, 30, 0 ]
});
chart.source(data);

chart.coord('polar', {
startAngle: -9 / 8 * Math.PI,
endAngle: 1 / 8 * Math.PI,
radius: 0.75
});
chart.scale('value', {
min: 1,
max: 9,
tickInterval: 4,
nice: false,
range:[0,1]
});

chart.axis('1', false);
chart.axis('value', {
zIndex: 2,
line: null,
label: {
offset: -16,
textStyle: {
fontSize: 18,
textAlign: 'center',
textBaseline: 'middle'
}
},
subTickCount: 4,
subTickLine: {
length: -8,
stroke: '#fff',
strokeOpacity: 1
},
tickLine: {
length: -17,
stroke: '#fff',
strokeOpacity: 1
},
grid: null
});
chart.legend(false);
chart.point().position('value*1')
.shape('pointer')
.color('#1890FF')
.active(false);

// 绘制仪表盘背景
chart.guide().arc({
zIndex: 0,
top: false,
start: [ 1, 0.945 ],
end: [ 9, 0.945 ],
style: { // 底灰色
stroke: '#CBCBCB',
lineWidth: 18
}
});
// 绘制指标
chart.guide().arc({
zIndex: 1,
start: [1, 0.945 ],
end: [ data[0].value, 0.945 ],
style: {
stroke: '#1890FF',
lineWidth: 18
}
});
// 绘制指标数字
chart.guide().html({
position: [ '50%', '95%' ],
html: '

'
+ '

合格率

'
+ '

' + data[0].value * 10 + '%

'
+ '

'
});

chart.render();