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Changes for page 05 Lua Script

Last modified by Hunter on 2026/10/23 11:34
From version 34.1
edited by Hunter
on 2026/10/23 11:34
Change comment: There is no comment for this version
To version 27.1
edited by Hunter
on 2026/10/20 18:44
Change comment: There is no comment for this version

Summary

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726 726  
727 727  = 29 Graphics Drawing =
728 728  
729 -This demo shows how to draw static graphics, such as a snowflake and a star, on the HMI screen using Lua custom object.
730 -The drawing coordinate data can come from HMI internal registers or external PLC registers.
731 -This demo does not demonstrate dynamic path updates or motion animation. For dynamic trajectory visualization, refer to the [[Lua curve>>doc:PIStudio.09 Lua Editor.Lua Script.WebHome||anchor="HCurveDrawing28Experimental29"]].
732 -
729 +The example shows drawing a snow and a star on the HMI screen with drawing function from Lua Script.Please note that  use PI version 10.6 or higher to open the project.
733 733  [[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Graphics%20Drawing.pi2]]
734 734  
735 735  
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855 855  
856 856  [[Wechat Official Platform Sandbox>>https://mp.weixin.qq.com/debug/cgi-bin/sandboxinfo?action=showinfo&t=sandbox/index]]
857 857  
858 -To register a formal WeChat Official Account, please forward to:
859 859  
860 -[[Weixin Official Accounts Platform>>url:https://mp.weixin.qq.com/]]
861 -
862 -~1. Login into the platform, and user can see the appID and appSecret, copy them for the further use.
863 -
864 -(% style="text-align:center" %)
865 -[[image:wechataccount.png]]
866 -
867 -2. User can scan the QR code on the left side to subscribe push notifications. And copy the Wechat ID.
868 -
869 -(% style="text-align:center" %)
870 -[[image:wechatID.png]]
871 -
872 -3. Click [Add test template] to create a new notification template.
873 -
874 -(% style="text-align:center" %)
875 -[[image:wechatTempalte.png]]
876 -
877 -4. Enter the title and content, then click submission, the content must follow this format: text: ~{~{text.DATA}}
878 -
879 -For example, use Alarm: ~{~{Alarm.DATA}}. For multiple lines, format the content as follows:
880 -
881 -{{code language="lua"}}
882 -Device: {{Device.DATA}}
883 -Alarm: {{Alarm.DATA}}
884 -Time: {{Time.DATA}}
885 -{{/code}}
886 -
887 -(% style="text-align:center" %)
888 -[[image:wechatTempalteConten2.png]]
889 -
890 -5. After the template is created, copy the template ID.
891 -
892 -(% style="text-align:center" %)
893 -[[image:wechatCopyTempalte.png]]
894 -
895 -6. Paste all these IDs(appID, appSecret, wechatID and templateID) into the lua script.
896 -
897 -(% style="text-align:center" %)
898 -[[image:wechatscriptcopyID.png]]
899 -
900 -7. Trigger the alarm condition, and user will receive an alarm notification from the WeChat Official Account.
901 -
902 -(% style="text-align:center" %)
903 -[[image:WechatResultResize.jpg]]
904 -
905 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/WechatAlarmPushNotify.zip]]
856 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/WechatOfficialAccount.zip]]
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