Exploring my possibilities of different rendering methods for the project I'm currently working on I decided to try OpenEXR. I just chose OpenEXR in the render settings and turned on the buffers Alpha, Light Buffer (Single), Depth and Post Effects.
Now when I render it takes only 3 seconds per pass (normally 3 minutes) and the image is black. When opening the EXR image all I see is black layers.
So I figured I must be doing something wrong. I tried switching some buffers off and on but that did not change anything. When I switched back to JPEG render that did not work anymore either. But that renders blue (camera background color) in stead of black.
After this I deleted the Bloom post effect from the camera and noticed that when I do this an item called "Camera Color" is added to the camera where the shortcut to the post effect was. Thinking that might be what's causing the black and blue renders I deleted this. After doing this the JPEG renders to black as well.
Maybe it was just JPEG I thought and tried Targa. And voila, it renders like it should again. Switching to JPEG, and that works again too. But how am I supposed to get this OpenEXR format working? The technical reference does not say much on the subject. I should have been using A:M much more the past 1.5 year but have been to busy programming... now I notice I'm really missing some things. I have to show some previews of this project to a client tomorrow, then he will decide if I get to do the whole project, or another animator he has also asked. I hope he picks me.