# EasyChart - Constant Pens Not Drawing

**URL:** <https://forum.inductiveautomation.com/t/easychart-constant-pens-not-drawing/3023>\
**Category:** Ignition\
**Created:** [June 20, 2011, 6:36pm UTC](https://forum.inductiveautomation.com/t/easychart-constant-pens-not-drawing/3023 "2011-06-20T18:36:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rockman1\_1](https://avatars.discourse-cdn.com/v4/letter/r/71e660/32.png) [@Rockman1\_1](https://forum.inductiveautomation.com/u/Rockman1_1)\
**Post date:** [June 20, 2011, 6:36pm UTC](https://forum.inductiveautomation.com/t/easychart-constant-pens-not-drawing/3023/1 "2011-06-20T18:36:55Z")

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If you have an Easy Chart in Realtime ChartMode and have Calculated (Constant Function) pens, the constant lines will not draw as the chart scroll/pans across the screen. They are only drawn on the initial load, or if you perform a zoom or a reset axis on the chart. SQL Tag Historian pens do update and draw. This is in version 7.2.6.

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**Author:** ![Carl.Gould](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/carl.gould/32/7262_2.png) [@Carl.Gould](https://forum.inductiveautomation.com/u/Carl.Gould)\
**Post date:** [June 24, 2011, 9:37pm UTC](https://forum.inductiveautomation.com/t/easychart-constant-pens-not-drawing/3023/2 "2011-06-24T21:37:35Z")

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Thanks for bringing this to our attention - it has been fixed for 7.2.7.