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There is one scene, but several cameras and I would like to render this over night to have one image per camera (no animation). Is this possible? I don't see a command-line switch to select which camera to render.
I'm using cycles render, if this matters.
Probably the simplest way is to use Multi-View cameras as described in this answer. All that is required is to enable ‘Views’ in the Render Layer properties and configure one view per camera with a particular suffix. Set your cameras with the same name and matching suffixes - so, for example, you could have suffixes of ‘_L’, ‘_R’ and ‘_T’ for left, right and top, and name your cameras Camera_L, Camera_R and Camera_T.
When rendering you will now get an image produced for each view. Each inage file produced will bear the relevant suffix - eg, ‘0000_L.png’, ‘0000_R.png’, etc.
I actually hacked together an addon that allows you to do this (windows compatibility only and only Blender 2.8 tested). Once installed it adds a panel to the Output Properties tab with a button for rendering all stills and a button for rendering all animations.
https://github.com/astonfuture/render-all-cameras-blender-addon
