[incubator-echarts-doc] branch master updated: doc: hoverLayerThreshold is missing in en option
This is an automated email from the ASF dual-hosted git repository. ovilia pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/incubator-echarts-doc.git The following commit(s) were added to refs/heads/master by this push: new 006a101 doc: hoverLayerThreshold is missing in en option 006a101 is described below commit 006a10147cb34fd0e1e4f6c6c86eb1ab03c6afd1 Author: Ovilia AuthorDate: Fri Aug 21 16:12:57 2020 +0800 doc: hoverLayerThreshold is missing in en option --- en/option/option.md | 8 1 file changed, 8 insertions(+) diff --git a/en/option/option.md b/en/option/option.md index f64ba3e..0b08908 100644 --- a/en/option/option.md +++ b/en/option/option.md @@ -84,6 +84,14 @@ The default is `'source-over'`. Support settings for each series. `'lighter'` is also a common type of compositing operation. In this mode, the area where the number of graphics is concentrated is superimposed into a high-brightness color (white). It often used to highlight the effect of the area. See example [Global airline](${galleryEditorPath}lines-airline) +# hoverLayerThreshold(number) = 3000 + +When the number of element of the whole chart is larger than `hoverLayerThreshold`, a seperate hover layer is used to render hovered elements. + +The seperate hover layer is used to avoid re-painting the whole canvas when hovering on elements. Instead, the hovered elements are rendered in a seperate layer so that other elements don't have to be rendered again. + +ECharts 2 use seperate layer for all cases. But it brings some problems like the hovered elements may not covering everything else correctly, or translucent elements may not overlay correctly to each other. And it brings extra member cost due to the extra canvas and may bring burden on mobile devices. So since ECharts 3, the hover layer is not used by default. Only when the element amount is large enough will the hover layer used. + # useUTC(boolean) = false Whether to use UTC in display. - To unsubscribe, e-mail: commits-unsubscr...@echarts.apache.org For additional commands, e-mail: commits-h...@echarts.apache.org
[incubator-echarts-doc] branch master updated: doc: hoverLayerThreshold is missing in en option
This is an automated email from the ASF dual-hosted git repository. ovilia pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/incubator-echarts-doc.git The following commit(s) were added to refs/heads/master by this push: new 006a101 doc: hoverLayerThreshold is missing in en option 006a101 is described below commit 006a10147cb34fd0e1e4f6c6c86eb1ab03c6afd1 Author: Ovilia AuthorDate: Fri Aug 21 16:12:57 2020 +0800 doc: hoverLayerThreshold is missing in en option --- en/option/option.md | 8 1 file changed, 8 insertions(+) diff --git a/en/option/option.md b/en/option/option.md index f64ba3e..0b08908 100644 --- a/en/option/option.md +++ b/en/option/option.md @@ -84,6 +84,14 @@ The default is `'source-over'`. Support settings for each series. `'lighter'` is also a common type of compositing operation. In this mode, the area where the number of graphics is concentrated is superimposed into a high-brightness color (white). It often used to highlight the effect of the area. See example [Global airline](${galleryEditorPath}lines-airline) +# hoverLayerThreshold(number) = 3000 + +When the number of element of the whole chart is larger than `hoverLayerThreshold`, a seperate hover layer is used to render hovered elements. + +The seperate hover layer is used to avoid re-painting the whole canvas when hovering on elements. Instead, the hovered elements are rendered in a seperate layer so that other elements don't have to be rendered again. + +ECharts 2 use seperate layer for all cases. But it brings some problems like the hovered elements may not covering everything else correctly, or translucent elements may not overlay correctly to each other. And it brings extra member cost due to the extra canvas and may bring burden on mobile devices. So since ECharts 3, the hover layer is not used by default. Only when the element amount is large enough will the hover layer used. + # useUTC(boolean) = false Whether to use UTC in display. - To unsubscribe, e-mail: commits-unsubscr...@echarts.apache.org For additional commands, e-mail: commits-h...@echarts.apache.org