Documentation:Mac OS Section 2
Starting POV-Ray rendering any scene file is as simple as opening the file via the File menu. Then go to the Render menu and start rendering. By default POV-Ray will write an image to disk to the same folder as the scene file you rendered.
If you would like to change the image size, rendering quality or any other scene setting, you can do so in the Render Settings dialog. Please note that on other platforms either INI files or command-line options are usually used to control these settings. You can also use these by entering command-line options in the in the Command-Line field in the Scene pane of the dialog. In particular, to use an INI file, you can directly enter the INI file name in this field, just like you would with a command-line version of POV-Ray.
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