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Ovilia Ovilia Shanghai, China http://zhangwenli.com Creative Dataviz Developer & Designer; PPMC of Apache ECharts (incubator)

Ovilia/cv 528

Wenli Zhang's CV as Web Front-End Engineer

Ovilia/2019-typography-calendar 335

2019 字体日历 App

Ovilia/blog 245

Ovilia's blog

Ovilia/ECharts-Theme-Builder 132

Design your own theme for ECharts

Ovilia/biangua 98

变卦·易经64卦

Ovilia/cezanne 74

This is a project showing varied shading algorithms with a simple apple.

Ovilia/buriji 22

不日记:高效、全面记录分析你的日常行为数据

Ovilia/coscon-echarts 18

COSCon Workshop on ECharts

Ovilia/font2img.js 18

A command line tool to generate images from TTF files

Ovilia/echarts-with-ionics 14

This is a demo to show how to use ECharts along with ionic

issue commentapache/incubator-echarts

漏斗图,可能是个BUG,如果SORT设置为none,数据为0的图居然比数据为20的还要大

我觉得是合理的,但是这个需求比较小众。如果确实有这方面需求,比较快速的解决方法是尝试调试代码,然后给我们提 PR~

todyhuang

comment created time in 2 days

issue commentapache/incubator-echarts

如何把坐标写到options 里面去

Set layout to be 'none' and pass x and y in data.

travis1111

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issue commentapache/incubator-echarts

Independent legends for Group charts

legend can be an array and you can set each of their positions.

legend: [{
        data: ['I']
    }, {
        data: ['II'],
        top: '50%'
}]
sreekumarp

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issue commentapache/incubator-echarts

漏斗图,可能是个BUG,如果SORT设置为none,数据为0的图居然比数据为20的还要大

结果上看没有问题,可能是理解有误 屏幕快照 2020-02-18 11 17 20

todyhuang

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issue commentapache/incubator-echarts

How to disable auto scale/transform in graph ?

@kibbon Please check your demo and make sure it works. You may try jsfiddle if there is CORS problem.

kibbon

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issue closedapache/incubator-echarts

Is there any way to stack bars in the waterfall chart as in the below picture?

What problem does this feature solve?

Is there any way to stack bars in the waterfall chart as in the below picture?

Screenshot from 2020-02-15 14-00-06

What does the proposed API look like?

So far I have achieved this.

Options

option = { title: { text: '阶梯瀑布图', subtext: 'From ExcelHome', sublink: 'http://e.weibo.com/1341556070/Aj1J2x5a5' }, tooltip : { trigger: 'axis', axisPointer : { // 坐标轴指示器,坐标轴触发有效 type : 'shadow' // 默认为直线,可选为:'line' | 'shadow' }, formatter: function (params) { var tar; if (params[1].value != '-') { tar = params[1]; } else { tar = params[0]; } return tar.name '<br/>' tar.seriesName ' : ' tar.value; } }, legend: { data:['支出','收入'] }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, xAxis: { type : 'category', splitLine: {show:false}, data : function (){ var list = []; for (var i = 1; i <= 11; i ) { list.push('11月' i '日'); } return list; }() }, yAxis: { type : 'value' }, series: [ { name: '辅助', type: 'bar', stack: '总量', z:10, itemStyle: { normal: { barBorderColor: 'rgba(0,0,0,0)', color: 'rgba(0,0,0,0)' }, emphasis: { barBorderColor: 'rgba(0,0,0,0)', color: 'rgba(0,0,0,0)' } }, data: [0, 900, 1245, 1530, 1376, 1376, 1511, 1689, 1856, 1495, 1292] }, { name: '收入', type: 'bar', stack: '总量', z:10, label: { normal: { show: true, position: 'top' } }, data: [{ value: 900, itemStyle: {color: 'blue'}, }, 345, { value: 393, itemStyle: {color: 'blue'}, }, '-', '-', 135, 178, 286, '-', '-', '-'] }, { name: '支出', type: 'bar', stack: '总量', z:10, label: { normal: { show: true, position: 'bottom' } }, data: ['-', '-', '-', 108, 154, '-', '-', '-', 119, 361, 203] }, { name:'test', type:'line', symbol:'none', z:1, lineStyle:{ type:'dotted'
}, step:'start', data:[0,900,1245,1638,1530,1376,1511,1689,1975,1856,1495] } ] };

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closed time in 2 days

pratik227

issue commentapache/incubator-echarts

Calender months overlapping

@mikeyshing88 Thanks for reporting. We will see to it and find if we can make a PR based on #10430 's solution. You are welcomed to make a PR if you wish.

mikeyshing88

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feat(dirty-rect): remove unused variables

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WIP: Dirty rectangle
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fix: fix subpixel optimize with no lineWidth (related: apache/incubator-echarts#11874 apache/incubator-echarts#11891)

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fix: fix the export function subPixelOptimize that access empty lineWidth.

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translate some chinese annotation to english

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Merge pull request #558 from deqingli/master Translate some chinese annotation to english

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feature: support convert between two local DOM coord. And some refactor.

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refact: add RichText#getBoundingRect. fix error in parseSVG

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refact: fix some issues in parseSVG

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ci: update ci, using travis instead of github ci

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refact: Use mixin for Transformable, Eventful. Optimize initialize performance by not clone shape object.

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refact: fix transform and other ctx status changed because of clip.

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ts: improve types in some utility functions

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Merge branch 'typescript' into next

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Merge branch 'master' into next # Conflicts: # src/animation/Animation.ts # src/animation/Animator.js # src/core/event.ts # src/dom/HandlerProxy.ts # src/graphic/helper/subPixelOptimize.js # src/mixin/Animatable.js # test/css-transform-inverse.html

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feat: add color.random, implement traverse on IncrementalDisplayable

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refact: fix typo in text bounding rect calculation.

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Merge branch 'next' into dirty-rect

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issue commentapache/incubator-echarts

How to disable auto scale/transform in graph ?

@kibbon 现在的情况是 scale和transform 自适应改为了什么?请提供一下完整的代码

kibbon

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PR closed Ovilia/echarts-robot-test

Update README.md PR: author is committer PR: awaiting review
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2d

mm

Ovilia

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issue commentapache/incubator-echarts

Is there any way to stack bars in the waterfall chart as in the below picture?

I made a demo for you: https://gallery.echartsjs.com/editor.html?c=xCKVqTIrT

But the order of negative bars seems to be different from your design. I'm afraid you have to use custom series if you insist on that order. Here's the document for custom series: https://echarts.apache.org/en/tutorial.html#Custom%20Series

pratik227

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fix(svg): toolbox download image apache/incubator-echarts#11781

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fix(svg): use lower case for clippath Otherwise, Safari has compatibility problem

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fix(svg): use lower case for clippath

Otherwise, Safari has compatibility problem.

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fix(svg): download svg image with toolbox

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feat(svg): support exporting svg with connected charts

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fix(svg): remove previous bg node and rename function

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fix(svg): remove toDataURL from createMethodNotSupport

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PR merged ecomfe/zrender

Fix 11781: save svg image with toolbox

See https://github.com/apache/incubator-echarts/pull/12144 for details.

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Ovilia

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issue closedapache/incubator-echarts

Bug: download svg image with toolbox

Version

4.5.0

Steps to reproduce

随便一个示例,用SVG渲染,下载图片格式为.PNG无法打开

What is expected?

我希望打开

What is actually happening?

但是实际无法打开

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closed time in 6 days

ISBN9527

issue commentapache/incubator-echarts

Bug: download svg image with toolbox

Fixed.

ISBN9527

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fix(svg): download svg image with toolbox

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feat(svg): support exporting svg with connected charts

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PR merged apache/incubator-echarts

Fix 11781: save svg image with toolbox PR: author is committer PR: awaiting review

<!-- Please fill in the following information to help us review your PR more efficiently. -->

Brief Information

This pull request is in the type of:

  • [x] bug fixing
  • [ ] new feature
  • [ ] others

What does this PR do?

<!-- USE ONCE SENTENCE TO DESCRIBE WHAT THIS PR DOES. -->

To support saving SVG images with toolbox. Also works for connected charts.

Fixed issues

  • #11781: Bug: download svg image with toolbox

Details

Before: What was the problem?

  1. Default suffix of the downloaded file with SVG charts was .png if saveAsImage.type is not set manually, which should be .svg because the downloaded file is an SVG file.
  2. The downloaded SVG has an error in it and cannot be opened even after changing the file suffix to be .svg
  3. It didn't work for connected charts.

After: How is it fixed in this PR?

  1. The default suffix is .svg if the chart renderer is 'svg'.
  2. No error after the fix.
  3. It works for connected charts now and the background is set to be connectedBackgroundColor, which is the same as Canvas behavior.

Usage

Are there any API changes?

  • [ ] The API has been changed.

<!-- LIST THE API CHANGES HERE -->

Related test cases or examples to use the new APIs

Test case: toolbox-saveImage-background-svg.html

The saved SVG file should look the same as the charts.

Others

Merging options

  • [ ] Please squash the commits into a single one when merge.

Other information

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issue commentapache/incubator-echarts

Documents-tutorial-Dataset-Q&A, the answer does not correspond to the question

Thanks for reporting. It has been fixed now. But we still need a few more days to update the online document.

It should be the third column, whose index in the array is 2.

Shannon-Zhang

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Ovilia

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fix apache/incubator-echarts#12135

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issue closedapache/incubator-echarts

Documents-tutorial-Dataset-Q&A, the answer does not correspond to the question

Version

4.6.0

Steps to reproduce

  1. click into this page https://echarts.apache.org/en/tutorial.html#Dataset , find the Q&A section, and find the sixth question.
  2. the question says: 'How to encode the fourth column in bubble size in bubble plot?' but the code below sets the 'dimension: 2', besides, there is no fourth column in the dataset. source.

What is expected?

the question should be changed to 'How to encode the third column in bubble size in bubble plot?'

What is actually happening?

the question now is: ' How to encode the fourth column in bubble size in bubble plot?'

<!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE --> <!-- This issue is in English. DO NOT REMOVE -->

closed time in 7 days

Shannon-Zhang

issue commentapache/incubator-echarts

log 轴堆叠问题

@fanyongfeng 这个应该是 bug,只是还没排上期

fanyongfeng

comment created time in 7 days

PR opened ecomfe/zrender

Fix 11781: save svg image with toolbox

See https://github.com/apache/incubator-echarts/pull/12144 for details.

+48 -15

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PR opened apache/incubator-echarts

Fix 11781: save svg image with toolbox

<!-- Please fill in the following information to help us review your PR more efficiently. -->

Brief Information

This pull request is in the type of:

  • [x] bug fixing
  • [ ] new feature
  • [ ] others

What does this PR do?

<!-- USE ONCE SENTENCE TO DESCRIBE WHAT THIS PR DOES. -->

To support saving SVG images with toolbox. Also works for connected charts.

Fixed issues

  • #11781: Bug: download svg image with toolbox

Details

Before: What was the problem?

  1. Default suffix of the downloaded file with SVG charts was .png if saveAsImage.type is not set manually, which should be .svg because the downloaded file is an SVG file.
  2. The downloaded SVG has an error in it and cannot be opened even after changing the file suffix to be .svg
  3. It didn't work for connected charts.

After: How is it fixed in this PR?

  1. The default suffix is .svg if the chart renderer is 'svg'.
  2. No error after the fix.
  3. It works for connected charts now and the background is set to be connectedBackgroundColor, which is the same as Canvas behavior.

Usage

Are there any API changes?

  • [ ] The API has been changed.

<!-- LIST THE API CHANGES HERE -->

Related test cases or examples to use the new APIs

Test case: toolbox-saveImage-background-svg.html

The saved SVG file should look the same as the charts.

Others

Merging options

  • [ ] Please squash the commits into a single one when merge.

Other information

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pull request commentapache/incubator-echarts

bug fix for error at exist and cptOption

@swarupe Thanks for your contribution. Can you give an example where previous code may have error?

swarupe

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branch : dirty-rect

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issue commentecomfe/echarts-examples

how to set font for data in echarts

Load the font in CSS or JS, and then set fontFamily.

karthikeya279

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issue closedOvilia/blog

I want this .....

very nice UI, i like it so much that i want one for myself but unfortunately I am very poor in html & css. I am not able to host it.

is there some sort of guide ?

closed time in 9 days

alx-xlx

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issue commentapache/incubator-echarts

x-axis label disappears for 'time' series

If you want the axis to be empty for the second series, you can listen to legendunselected event and call setOption to set the xAxis to be empty.

dereksmith-debug

comment created time in 10 days

issue commentapache/incubator-echarts

x-axis label disappears for 'time' series

I'm afraid this is not a bug. The second series doesn't own the category data, so when hidden, the axis label is still there. While for the first series, value/time/log axis is updated on series change.

dereksmith-debug

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issue commentapache/incubator-echarts

log 轴堆叠问题

@fanyongfeng 好的,了解了

fanyongfeng

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Ovilia

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fix(svg): use lower case for clippath Otherwise, Safari has compatibility problem

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PR merged ecomfe/zrender

fix(svg): use lower case for clippath

Otherwise, Safari has compatibility problem

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Ovilia

pr closed time in 13 days

PR opened ecomfe/zrender

fix(svg): use lower case for clippath

Otherwise, Safari has compatibility problem

+1 -1

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pr created time in 13 days

PR opened ecomfe/zrender

fix(svg): use lower case for clippath

Otherwise, Safari has compatibility problem.

+1 -1

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issue commentapache/incubator-echarts

log 轴堆叠问题

@fanyongfeng 请在这里报存一下 https://gallery.echartsjs.com/editor.html 不然我们手动打代码太累了

fanyongfeng

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pull request commentapache/incubator-echarts-doc

Fix doc

@susiwen8 Thanks!

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susiwen8

commit sha 31ec1c62dca57b9e283ec6a2d1213661b59a432e

Fix doc types mistakes (#87)

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Fix doc
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susiwen8

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issue commentecomfe/zrender

现在的demo,感觉还没有以前的demo好

@tkggusraqk 为什么觉得那时候的好用呢?具体是什么功能?

tkggusraqk

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issue commentOvilia/blog

I want this .....

This uses Jekyll to build. You should check the document first to understand this project.

alx-xlx

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PR closed Ovilia/blog

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Mohd4633

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pull request commentOvilia/blog

New

The master branch is no longer updated and the gh-pages is served as the master branch. I didn't remove master branch because I referenced the link somewhere in my blog posts.

Mohd4633

comment created time in 17 days

issue commentapache/incubator-echarts

How can I make a violin plot in ECharts?

ECharts have many chart types now and we are more cautious when considering adding new chart types because it adds to the package size and we need to consider if this chart type is frequently used enough.

For your case, I'd suggest implementing it using the custom series mechanism by yourself. The document is https://echarts.apache.org/en/option.html#series-custom . The examples and API documents should be enough for you to create by yourself, but you do need spend some time understand it. If you think there are some extra API needed when you use the custom series, do let me know.

frankyaorenjie

comment created time in 19 days

issue commentapache/incubator-echarts

Lags when using timeline with many (> 100) items with SVG rendering

@alex2wong I'm not sure what you mean by placeholder. I think one way to fix this is to not add the element to the container if it's none. This is not an SVG problem because Canvas should also not render it.

justynabukiel

comment created time in 23 days

issue commentapache/incubator-echarts

Does not display value on single column with stacking.

@sikazhang Your demo uses ECharts 4.4.0 and it works fine with @dimunidze 's demo, which uses ECharts 4.6.0. So this is probably a bug raised after 4.4.0.

@dimunidze It depends on the community contributors. If it's urgent, you may consider trying debugging yourself.

dimunidze

comment created time in 23 days

issue commentapache/incubator-echarts

增加子节点闭合功能

这种数据结构就不是「树」了,所以按我的理解可能不会支持。

calyearn

comment created time in 23 days

issue commentapache/incubator-echarts

Donut chart with centered dynamic text

@akvaliya If you wish the text is shown all the time without mouse interaction, then you should probably use title or graphic.text to display the information. Note that the title could be an array for multiple text.

akvaliya

comment created time in 23 days

issue commentapache/incubator-echarts

Overlapping bar chart

https://echarts.apache.org/examples/en/editor.html?c=area-stack This is an example of stacking line charts. For bar charts, it's almost the same, only that the series type should be bar.

akvaliya

comment created time in 23 days

issue closedapache/incubator-echarts

how can i use Mapbox with echarts on React

What problem does this feature solve?

I couldn't find any info about that... how can i use mapbox gl with echarts on React?

What does the proposed API look like?

I would like use mapbox with these library

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closed time in 23 days

prrrcl

issue commentapache/incubator-echarts

how can i use Mapbox with echarts on React

https://github.com/lzxue/echartsLayer This is a third-party library that may help. We cannot offer more help here. If you have further questions, please consider asking for help in that repo.

prrrcl

comment created time in 23 days

issue commentapache/incubator-echarts

Let yAxis. type support custom function.

What kind of custom function do you need? In your given example, the type should probably be log.

ahuigo

comment created time in 23 days

issue commentapache/incubator-echarts

Time axis monthly chart issue with axis labels

We are going to enhance the axis label for the next major release, which we have not yet started.

dileepyelleti

comment created time in 23 days

issue commentapache/incubator-echarts

Customizing the charts with css

Hi. ECharts uses Canvas and SVG to render the chart so it's not possible to use CSS to custom all options. But we do support CSS for the tooltip because it's an HTML DOM. Please check the tooltip doc.

mybouhssina

comment created time in 23 days

issue commentapache/incubator-echarts

Angle axis in polar axis not rendering negative values correctly

Thanks for reporting. This is a bug.

ThomasSteiner

comment created time in 23 days

issue commentapache/incubator-echarts

Pie chart label not shown when animation is disabled

Thanks for reporting. This is probably a bug.

maliayas

comment created time in 23 days

issue commentapache/incubator-echarts

Graph layout hierarchical option

Hi @telco2011 . Could you give more information about why not using tree chart type?

telco2011

comment created time in 23 days

startedanvaka/city-roads

started time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 itemStyle: {  {{ /if }} -#${prefix} hoverAnimation(boolean) = false+#${prefix} hoverAnimation(Object)

Left unchanged.

susiwen8

comment created time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 series.data 的 `dataMin` 和 `dataMax`)。  兼容 ECharts2,当有 `text` 时,label不显示。 -## textGap(Array) = 10+## textGap(number) = 10  两端文字主体之间的距离,单位为px。参见 [visualMap-piecewise.text](~visualMap-piecewise.text) -## showLabel(boolean)+## showLabel(boolean) = true

Left unchanged.

susiwen8

comment created time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 You can understand the order of items in `text` array just by a simple trial. Se The rule, that labels will not show when `text` is use, is retained for compatibility with ECharts2.
 
 
-## textGap(Array) = 10
+## textGap(number) = 10
 
 The distance between the ends of the graphical elements for pieces and the labels, with unit px. See [visualMap-piecewise.text](~visualMap-piecewise.text)
 
-## showLabel(boolean)
+## showLabel(boolean) = true

The default value doesn't seem to be true according to the text below and code. I think it should be not changed.

susiwen8

comment created time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 min: function (value) { }
 ```
 
-
-#${prefix} max(number|string) = null
+#${prefix} max(number|string|function) = null

Function instead of function because number and string are primary types while Function is Object.

susiwen8

comment created time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 Specify the relationship of overlap between gaphic elements. A bigger value mean 
 {{ /if }}
 
-#${prefix} hoverAnimation(boolean) = false
+#${prefix} hoverAnimation(Object)

I think this is a boolean and should be left unchanged.

susiwen8

comment created time in a month

Pull request review commentapache/incubator-echarts-doc

Fix doc

 min: function (value) {  其中 `value` 是一个包含 `min` 和 `max` 的对象,分别表示数据的最大最小值,这个函数应该返回坐标轴的最小值。 -#${prefix} max(number|string) = null+#${prefix} max(number|string|function) = null

Function

susiwen8

comment created time in a month

issue closedOvilia/ovilia.github.io

2019 版更新反馈

在这里留下你的反馈吧~

closed time in a month

Ovilia

issue commentOvilia/ovilia.github.io

2019 版更新反馈

@Pontuer 可以

Ovilia

comment created time in a month

issue commentapache/incubator-echarts

动态线图数据更新bug

@sikazhang 赞,如果需要帮助请在这里说明。最近由于春节的关系很多 Committer 已经休假了,回复可以有点延迟。

yanwencheng

comment created time in a month

issue commentapache/incubator-echarts

旭日图关于itemStyle.borderColor得建议

@mumu1349562746 不太明白你说的「不行」是什么意思,创建一个例子吧

mumu1349562746

comment created time in a month

issue commentapache/incubator-echarts

ThemeRiver Render Problem While Dragging DataZoomSlider Bar

@tfc-th As I said, you have to simplify your data for others to help you debug. There is no way to find the problem with so many data items. Just include the minimum data to reproduce the problem.

tfcx-th

comment created time in a month

push eventOvilia/blog

Ovilia

commit sha d0369b3bf6c276c9ed1cd85cc369a961c5619302

new post

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