To open an image, perform the following steps:
Choose FileOpen, or press CtrlO.
In the Load Image dialog, select the file you want to open.
Click Open.  displays the name of the image file in the titlebar of the window.
To open another image, choose FileOpen again.  opens each image in a new window. To explicitly open a new window, choose FileNew, or click the New button, or press CtrlN.
If you try to open an image file format that  does not recognize, the application displays an error message.
