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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2019/12/26 04:16:35 UTC
[GitHub] [incubator-echarts] yangzj208 opened a new issue #11910: Line增加数据类型
yangzj208 opened a new issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910
### What problem does this feature solve?
目前的Line类型的曲线横纵坐标的值必须是一一对应的，很多场合下，横坐标的值一般都是从某一值开始，等间隔分布的，这时如果每一条曲线都按现在的方式存储值的话，在数据量大的时候太浪费空间了。
建议增加一个类型，x值可只保存起始值，间隔值这两个值就可以，具体Y对应的值通过这两个值计算即可
或者有没有其他的方式可实现这一需求，请大家帮忙指教，谢谢
### What does the proposed API look like?
series:{
x:{
startvalue:0.1,
interval:0.2
},
y:[0,1.1,3,4,5.6,...]
}
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[GitHub] [incubator-echarts] yangzj208 edited a comment on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
yangzj208 edited a comment on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-569021813
> ```js
> Array(n).fill().map((v, i) => startvalue + i * interval);
> ```
谢谢！
请问需要如何配置？
我看示例里都是这样配置的
series: [{
data: [
// 维度X 维度Y 其他维度 ...
[ 3.4, 4.5, 15, 43],
[ 4.2, 2.3, 20, 91],
[ 10.8, 9.5, 30, 18],
[ 7.2, 8.8, 18, 57]
]
}]
各个维度数据必须长度一样
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[GitHub] [incubator-echarts] pissang closed issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
pissang closed issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910
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[GitHub] [incubator-echarts] yangzj208 commented on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
yangzj208 commented on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-569231829
> 比如你的Y数据是` [2, 4, 5, 6, 8, 9, 10, 14, 17, 23, 30]`
>
> 就可以写成：
>
> ```js
> let yData = [2, 4, 5, 6, 8, 9, 10, 14, 17, 23, 30];
> let startvalue = 1;
> let interval = 2;
> let data = yData.map((v, i) => [startvalue + i * interval, v])
>
> option = {
> xAxis: {
> },
> yAxis: {
> type: 'value'
> },，
> series: [{
> data: data,
> type: 'line'
> }]
> };
> ```
还可以这样做的，非常感谢，我试试
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[GitHub] [incubator-echarts] SnailSword commented on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
SnailSword commented on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-569061047
比如你的Y数据是``` [2, 4, 5, 6, 8, 9, 10, 14, 17, 23, 30]```
就可以写成：
```javascript
let yData = [2, 4, 5, 6, 8, 9, 10, 14, 17, 23, 30];
let startvalue = 1;
let interval = 2;
let data = yData.map((v, i) => [startvalue + i * interval, v])
option = {
xAxis: {
},
yAxis: {
type: 'value'
},
series: [{
data: data,
type: 'line'
}]
};
```
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[GitHub] [incubator-echarts] SnailSword commented on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
SnailSword commented on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-569020731
```javascript
Array(n).fill().map((v, i) => startvalue + i * interval);
```
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[GitHub] [incubator-echarts] yangzj208 commented on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
yangzj208 commented on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-569021813
> ```js
> Array(n).fill().map((v, i) => startvalue + i * interval);
> ```
谢谢！
请问需要如何配置？
我看示例里都是这样配置的
series: [{
data: [
// 维度X 维度Y 其他维度 ...
[ 3.4, 4.5, 15, 43],
[ 4.2, 2.3, 20, 91],
[ 10.8, 9.5, 30, 18],
[ 7.2, 8.8, 18, 57]
]
}]
各个维数数据必须长度一样
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #11910: Line增加数据类型
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #11910: Line增加数据类型
URL: https://github.com/apache/incubator-echarts/issues/11910#issuecomment-568964695
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