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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2022/04/18 07:59:35 UTC
[GitHub] [echarts] pissang opened a new pull request, #16903: [feature] [transform] add new aggregate transform and id transform
pissang opened a new pull request, #16903:
URL: https://github.com/apache/echarts/pull/16903
<!-- Please fill in the following information to help us review your PR more efficiently. -->
## Brief Information
This pull request is in the type of:
- [ ] bug fixing
- [x] new feature
- [ ] others
### What does this PR do?
This PR migrates the aggregate and id transform from https://github.com/100pah/echarts-simple-transform , which is a experiment repo maintained by one of our maintainers @100pah. The API design is mainly keeped same but code are refactored to be more clear and neater.
Also in this PR the old `seriesLayoutBy` option is renamed to `sourceLayout` to be more clear.
## Details
### Aggregate transform
```ts
const option = {
dataset: [{
source: [
['aa', 'bb', 'cc', 'tag'],
[12, 0.33, 5200, 'AA'],
[21, 0.65, 7100, 'AA'],
[51, 0.15, 1100, 'BB'],
[71, 0.75, 9100, 'BB'],
...
]
}, {
transform: {
type: 'aggregate',
config: {
output: [
// by default, use the same name with `from`.
{ from: 'aa', method: 'sum' },
{ from: 'bb', method: 'count' },
{ from: 'cc' }, // method by default: use the first value.
{ from: 'dd', method: 'Q1' },
{ from: 'tag' }
],
groupBy: 'tag'
}
}
// Then the result data will be:
// [
// ['aa', 'bb', 'cc', 'tag'],
// [12, 0.33, 5200, 'AA'],
// [21, 0.65, 8100, 'BB'],
// ...
// ]
}],
// ...
};
```
### ID transform
```ts
const option = {
dataset: [{
source: [
['aa', 'bb', 'cc', 'tag'],
[12, 0.33, 5200, 'AA'],
[21, 0.65, 8100, 'AA'],
...
]
}, {
transform: {
type: 'id',
config: {
dimensionIndex: 4,
dimensionName: 'ID'
}
}
// Then the result data will be:
// [
// ['aa', 'bb', 'cc', 'tag', 'ID'],
// [12, 0.33, 5200, 'AA', 0],
// [21, 0.65, 8100, 'BB', 1],
// ...
// ]
}],
// ...
};
```
## Misc
<!-- ADD RELATED ISSUE ID WHEN APPLICABLE -->
- [x] The API has been changed (apache/echarts-doc#xxx).
- [ ] This PR depends on ZRender changes (ecomfe/zrender#xxx).
### Related test cases or examples to use the new APIs
N.A.
## Others
### Merging options
- [ ] Please squash the commits into a single one when merging.
### Other information
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[GitHub] [echarts] echarts-bot[bot] commented on pull request #16903: [feature] [transform] add new aggregate transform and id transform
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on PR #16903:
URL: https://github.com/apache/echarts/pull/16903#issuecomment-1101193142
Thanks for your contribution!
The community will review it ASAP. In the meanwhile, please checkout [the coding standard](https://echarts.apache.org/en/coding-standard.html) and Wiki about [How to make a pull request](https://github.com/apache/echarts/wiki/How-to-make-a-pull-request).
The pull request is marked to be `PR: author is committer` because you are a committer of this project.
Document changes are required in this PR. Please also make a PR to [apache/echarts-doc](https://github.com/apache/echarts-doc) for document changes and update the issue id in the PR description. When the doc PR is merged, the maintainers will remove the `PR: awaiting doc` label.
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