Using Insert: Image From File… will build up project file size dramatically.
For images user will insert into multiple graph windows, user can first do the following:
Choose File: New: Image: Image/Video… to import it into Origin’s new Image window first.
Use Image: Set Coordinates… to set the XY range of the image.
Then with graph active, choose Insert: Image from Image Window… to insert it into graph window.
Note: To insert an Image that was first inserted as layer background in graph window to another graph, user needs to extract image from graph first. Steps:
In the graph with image background, right click Graph node in Object Manager and choose Show Graphic Objects.
Double click Layer Background entry to open it in Image Window.
Right click in Image Window and choose Extract Image From Graph or run LT “Img.Transfer()“
Go to graph window and choose Insert: Image from Image Window… to insert it in new graph.