# PowerChart line end

**URL:** <https://forum.inductiveautomation.com/t/powerchart-line-end/116478>\
**Category:** Ignition\
**Created:** [July 21, 2026, 1:39pm UTC](https://forum.inductiveautomation.com/t/powerchart-line-end/116478 "2026-07-21T13:39:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ecurreaux](https://avatars.discourse-cdn.com/v4/letter/e/db5fbb/32.png) [@ecurreaux](https://forum.inductiveautomation.com/u/ecurreaux)\
**Post date:** [July 21, 2026, 1:39pm UTC](https://forum.inductiveautomation.com/t/powerchart-line-end/116478/1 "2026-07-21T13:39:03Z")

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Hello,  
On a PowerChart, the curve shows a flat line at the end of the historical data.

 ![Capture d’écran 2026-07-21 153538](https://us1.discourse-cdn.com/inductiveautomation/original/3X/a/0/a03c15cb484078ff723a923029793ebeac4b5407.png)

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<div class="post-metadata">

**Author:** ![code\_skin](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@code\_skin](https://forum.inductiveautomation.com/u/code_skin)\
**Post date:** [July 21, 2026, 1:42pm UTC](https://forum.inductiveautomation.com/t/powerchart-line-end/116478/2 "2026-07-21T13:42:19Z")

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Check out the interpolation and/or breakLine properties in `pens.display`

> **[pens.display Properties​ - Perspective - Power Chart | Ignition User Manual](https://docs.inductiveautomation.com/docs/8.3/appendix/components/perspective-components/perspective-chart-palette/perspective-power-chart#pensdisplay-properties)**
>
> Each of the following four display properties have the same set of styles properties. | The Power Chart collects and displays data based on the pens that have been configured on the chart.